WO2015057755A1 - Traitement de matériau pour des composants - Google Patents

Traitement de matériau pour des composants Download PDF

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Publication number
WO2015057755A1
WO2015057755A1 PCT/US2014/060561 US2014060561W WO2015057755A1 WO 2015057755 A1 WO2015057755 A1 WO 2015057755A1 US 2014060561 W US2014060561 W US 2014060561W WO 2015057755 A1 WO2015057755 A1 WO 2015057755A1
Authority
WO
WIPO (PCT)
Prior art keywords
alloy
degradable
stock material
plug
stock
Prior art date
Application number
PCT/US2014/060561
Other languages
English (en)
Inventor
Indranil Roy
Manuel P. Marya
Original Assignee
Schlumberger Canada Limited
Services Petroliers Schlumberger
Schlumberger Holdings Limited
Schlumberger Technology B.V.
Prad Research And Development Limited
Schlumberger Technology Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlumberger Canada Limited, Services Petroliers Schlumberger, Schlumberger Holdings Limited, Schlumberger Technology B.V., Prad Research And Development Limited, Schlumberger Technology Corporation filed Critical Schlumberger Canada Limited
Priority to US15/029,780 priority Critical patent/US20160237530A1/en
Publication of WO2015057755A1 publication Critical patent/WO2015057755A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0408—Light metal alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0408—Light metal alloys
    • C22C1/0416—Aluminium-based alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C23/00—Alloys based on magnesium
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/08—Metallic powder characterised by particles having an amorphous microstructure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/042—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling using a particular milling fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • B22F2009/084—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid combination of methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/20—Use of vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/05—Light metals
    • B22F2301/052—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/05—Light metals
    • B22F2301/058—Magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2304/00—Physical aspects of the powder
    • B22F2304/05—Submicron size particles
    • B22F2304/058—Particle size above 300 nm up to 1 micrometer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2200/00—Crystalline structure
    • C22C2200/04—Nanocrystalline

Definitions

  • equipment may be used in one or more of a sensing operation, a drilling operation, a cementing operation, a fracturing operation, a production operation, etc.
  • a method can include producing stock material via equal-channel angular pressing where the stock material includes an alloy that includes an average grain size less than approximately 500 nanometers and machining the stock material into at least one part of borehole tool.
  • a method can include producing stock material via cryomilling spray-atomized particles where the stock material includes an alloy that includes a grain size less than approximately 500 nanometers and forming the stock material into at least one part of a borehole tool.
  • a degradable apparatus can include a shaped material that includes an aluminum alloy that has an average grain size less than about 500 nanometers.
  • FIG. 1 illustrates examples of an environment, equipment and an assembly
  • FIG. 2 illustrates an example of a model and an example of an operation
  • FIG. 3 illustrates an example of a system
  • FIG. 4 illustrates examples of methods
  • FIG. 5 illustrates an example of a method
  • FIG. 6 illustrates an example of a method
  • Fig. 7 illustrates an example of a method
  • Fig. 8 illustrates an example of an assembly
  • Fig. 9 illustrates an example of an ECAP die
  • FIG. 10 illustrates an example of a method
  • Fig. 1 1 illustrates an example of a method
  • Fig. 12 illustrates an example of a method
  • Fig. 13 illustrates examples of systems of equipment
  • Fig. 14 illustrates example components of a system and a networked system.
  • a material or materials may be processed to form processed material.
  • the processed material may be machined, formed, etc. to produce a part or parts.
  • a part may be a component or a portion of a component.
  • a part may be included in equipment, which may be suitable for use in an environment such as, for example, a downhole environment.
  • equipment may be drilling equipment, cementing equipment, fracturing equipment, sampling equipment, or other type of equipment.
  • equipment may be borehole equipment.
  • a tool may be a borehole tool, for example, suitable to perform a function or functions in a downhole environment in a borehole.
  • cementing equipment such equipment may be used in one or more downhole cementing operations.
  • cement may be placed adjacent to a liner.
  • a liner may be a string of casing in which the top does not extend to the surface but instead is suspended from inside another casing string.
  • a liner hanger may be used to attach or hang one or more liners from an internal wall of another casing string.
  • a method may include operating one or more components of a liner hanger system.
  • a lower completion may be a portion of a well that is at least in part in a production zone or an injection zone.
  • a liner hanger system may be implemented to perform one or more operations associated with a lower completion, for example, including setting one or more components of a lower completion, etc.
  • a liner hanger system may anchor one or more components of a lower completion to a production casing string.
  • Fig. 1 shows an example of an environment 100, an example of a portion of a completion 101 , an example of equipment 120 and an example of an assembly 150, which may be part of a liner hanger system.
  • the equipment 1 20 may include a rig, a turntable, a pump, drilling equipment, pumping equipment, equipment for deploying an assembly, a part of an assembly, etc.
  • the equipment 120 may include one or more controllers 122.
  • a controller may include one or more processors, memory and instructions stored in memory that are executable by a processor, for example, to control one or more pieces of equipment (e.g., motors, pumps, sensors, etc.).
  • the equipment 1 20 may be deployed at least in part at a well site and, optionally, in part at a remote site.
  • Fig. 1 shows an environment 1 00 that includes a subterranean formation into which a bore 102 extends where a tool 1 1 2 such as, for example, a drill string is disposed in the bore 102.
  • the bore 102 may be defined in part by an angle ( ⁇ ); noting that while the bore 102 is shown as being deviated, it may be vertical (e.g., or include one or more vertical sections along with one or more deviated sections).
  • ⁇ angle
  • a portion of the bore 102 includes casings 104-1 and 104-2 having casing shoes 106-1 and 106-2.
  • cement annuli 1 03-1 and 103-2 are disposed between the bore 102 and the casings 104-1 and 104-2.
  • Cement such as the cement annuli 103-1 and 103-2 can support and protect casings such as the casings 104-1 and 104-2 and when cement is disposed throughout various portions of a wellbore such as the wellbore 1 02, cement may help achieve zonal isolation.
  • a large diameter section may be a surface casing section, which may be three or more feet in diameter and extend down several hundred feet to several thousand feet.
  • a surface casing section may aim to prevent washout of loose unconsolidated formations.
  • an intermediate casing section it may aim to isolate and protect high pressure zones, guard against lost circulation zones, etc.
  • intermediate casing may be set at about 6000 feet and extend lower with one or more intermediate casing portions of decreasing diameter (e.g., in a range from about thirteen to about five inches in diameter).
  • a so-called production casing section may extend below an intermediate casing section and, upon completion, be the longest running section within a wellbore (e.g., a production casing section may be thousands of feet in length).
  • production casing may be located in a target zone where the casing is perforated for flow of fluid into a bore of the casing.
  • a string may include one or more tools such as, for example, a logging while drilling (LWD) tool, which may carry one or more transmitters and one or more receivers.
  • LWD logging while drilling
  • the SONICSCOPETM tool marketed by Schlumberger Ltd. (Houston, Texas) carries a wideband multipole transmitter and wideband receivers.
  • the multipole transmitter provides for transmission of high-frequency monopole energy (e.g., for compressional and shear slowness in fast formation), low-frequency monopole energy (e.g., for Stoneley waves) and quadrupole energy (e.g., for shear slowness in slow formations).
  • the wideband receivers provide for digitization of sensed signals and inter-receiver sampling to address aliasing.
  • a tool may include circuitry to sense information as to regions proximate to a bore.
  • a tool may include circuitry to determine one or more cement-related parameters (e.g., extent of cement, cement quality, voids, etc.).
  • a controller may include an interface to receive information from one or more sensors.
  • a liner may be a casing (e.g., a completion component).
  • a liner may be installed via a liner hanger system.
  • a liner hanger system may include various features such as, for example, one or more of the features of the assembly 150 of Fig. 1 .
  • the assembly 150 can include a pump down plug 160, a setting ball 162, a handling sub with a junk bonnet and setting tool extension 164, a rotating dog assembly (RDA) 166, an extension(s) 168, a mechanical running tool 172, a hydraulic running tool 1 74, a hydromechanical running tool 1 76, a retrievable cementing bushing 180, a slick joint assembly 182 and/or a liner wiper plug 1 84.
  • a plug may be an object that can be seated, for example, to seal an opening.
  • the pump down plug 160 and the setting ball 162 may be plugs.
  • a plug tool may be a tool that includes at least one seat to seat a plug.
  • a plug tool may include a seat that can seat a plug shaped as a ball (e.g., a spherical plug), as a cylinder (e.g., a cylindrical plug), or other shaped plug.
  • an assembly may include a liner top packer with a polished bore receptacle (PBR), a coupling(s), a mechanical liner hanger, a hydraulic liner hanger, a hydraulic liner hanger, a liner(s), a landing collar with a ball seat, a landing collar without a ball seat, a float collar, a liner joint or joints and/or a float shoe and/or a reamer float shoe.
  • PBR polished bore receptacle
  • a method can include a liner hanger setting procedure.
  • a procedure may include positioning a liner shoe at a depth at which a hanger is to be set, dropping a setting ball from a ball dropping sub of a cementing manifold, gravitating or pumping the ball down to a ball catch landing collar, reducing the pump rate when the ball is expected to seat, increasing pressure, which pressure may act through setting ports of a hanger body and set slips on to a casing, and while holding the hanger setting pressure, setting the liner hanger by slacking off the liner weight on the hanger slips, where a loss of weight may be indicated on a weight gauge as the liner hanger sets.
  • the ball (see, e.g., the ball 162) has properties suited for one or more operation or operations.
  • Properties may include mechanical properties and may include one or more other types of properties (e.g., chemical, electrical, etc.).
  • a ball may be manufactured with properties such that the ball degrades when exposed to one or more conditions. In such an example, where the ball acts to block a passage, upon degradation, the passage may become unblocked.
  • a ball or other component e.g., a plug, etc.
  • a component or a portion of a component may degrade in stages. For example, consider a plug that degrades from a first size to a second smaller size.
  • the second smaller size may allow the plug to move (e.g., from a first seat to a second seat, etc.).
  • a plug tool may be a degradable tool.
  • a plug tool may be degradable in part. For example, consider a plug tool with a degradable seat or degradable seats. In such an example, a plug may be seated in a degradable seat that upon degradation of the seat, the plug may pass through the seat (e.g., become unplugged with respect to that seat).
  • a system can include a plug tool that is degradable at least in part and one or more degradable plugs (e.g., balls, cylinders, etc.).
  • FIG. 2 shows an example of a model 21 0 of a fracturing operation and an example of plugs (e.g., balls, etc.) as may be used in a fracturing operation 250, for example, to generate fractures in an environment according to the model 210.
  • plugs e.g., balls, etc.
  • a geologic environment may be artificially fractured to increase flow of fluid from a reservoir to a well.
  • Hydraulic fracturing where fluid pressure is applied to a subterranean environment to generate fractures that can act as flow channels. Hydraulic fracturing may be planned in advance, for example, to develop a region, which may be referred to as a drainage area. Hydraulic fracturing may be analyzed during or post-fracturing. As an example, hydraulic fracturing may occur in stages where a later stage may be planned at least in part based on information associated with one or more earlier stages. [0036] In Fig.
  • the model 21 0 includes a horizontal well intersected by multiple transverse vertical hydraulic fractures. Equations may be associated with the model 210 such as, for example, equations that depend on dimensions and properties of the vertical fractures.
  • Equations may be associated with the model 210 such as, for example, equations that depend on dimensions and properties of the vertical fractures.
  • a trilinear model that includes equations for analysis of low-permeability (e.g., micro- and nano-Darcy range) fractured shale reservoirs according to three linear flow regions.
  • Such a model may help to characterize a drainage area completed with one or more horizontal wells that intersect multiple transverse vertical fractures.
  • Such a model may assist with planning and other aspects of field development, operations, etc.
  • a model can include constructs that model, for example, a matrix, a well, natural fractures, hydraulic fractures, activated fractures and a stimulated inter-hydraulic fracture region.
  • the model 210 may encompass a drainage area, for example, defined as covering a surface area and as having a depth or depths. Given parameter values for the various constructs (e.g., locations, characteristics, etc.), the model 210 may be formulated with respect to a grid to form a numerical model suitable for providing solutions via a numerical solver.
  • a method can includes a delivery block for delivering fluid to a subterranean environment, a monitor block for monitoring fluid pressure and a generation block for generating fractures via fluid pressure.
  • the generation block may include activating one or more fractures.
  • the generation block may include generating and activating fractures.
  • activation may occur with respect to a pre-existing feature such as a fault or a fracture.
  • a pre-existing fracture network may be at least in part activated via a method that includes applying fluid pressure in a subterranean environment. The foregoing method may be referred to as a treatment method or a "treatment".
  • Such a method may include pumping an engineered fluid (e.g., a treatment fluid) at high pressure and rate into a reservoir via one or more bores, for example, to one or more intervals to be treated, which may cause a fracture or fractures to open (e.g., new, pre-existing, etc.).
  • an engineered fluid e.g., a treatment fluid
  • Such a method may include pumping an engineered fluid (e.g., a treatment fluid) at high pressure and rate into a reservoir via one or more bores, for example, to one or more intervals to be treated, which may cause a fracture or fractures to open (e.g., new, pre-existing, etc.).
  • a fracture may be defined as including "wings" that extend outwardly from a bore. Such wings may extend away from a bore in opposing directions, for example, according in part to natural stresses within a formation.
  • proppant such as grains of sand of a particular size, may be mixed with a treatment fluid to keep a fracture (or fractures) open when a treatment is complete. Hydraulic fracturing may create high-conductivity
  • stimulation treatment may occur in stages. For example, after completing a first stage, data may be acquired and analyzed for planning and/or performance of a subsequent stage.
  • Size and orientation of a fracture, and the magnitude of the pressure to create it may be dictated at least in part by a formation's in situ stress field.
  • a stress field may be defined by three principal compressive stresses, which are oriented perpendicular to each other. The magnitudes and orientations of these three principal stresses may be determined by the tectonic regime in the region and by depth, pore pressure and rock properties, which determine how stress is transmitted and distributed among formations.
  • a sudden drop in pressure can indicate fracture initiation of a stimulation treatment, as fluid flows into the fractured formation.
  • fracture initiation pressure exceeds a sum of the minimum principal stress plus the tensile strength of the rock.
  • fracture closure pressure a process may allow pressure to subside until it indicates that a fracture has closed.
  • a fracture reopening pressure may be determined by pressurizing a zone until a leveling of pressure indicates the fracture has reopened. The closure and reopening pressures tend to be controlled by the minimum principal compressive stress (e.g., where induced downhole pressures exceed minimum principal stress to extend fracture length).
  • a zone may be pressurized for furthering stimulation treatment.
  • a zone may be pressurized to a fracture propagation pressure, which is greater than a fracture closure pressure.
  • the difference may be referred to as the net pressure, which represents a sum of frictional pressure drop and fracture-tip resistance to propagation (e.g., further propagation).
  • a method may include seismic monitoring during a treatment operation (e.g., to monitor fracture initiation, growth, etc.). For example, as fracturing fluid forces rock to crack and fractures to grow, small fragments of rock break, causing tiny seismic emissions, called microseisms.
  • Equipment may be positioned in a field, in a bore, etc. to sense such emissions and to process acquired data, for example, to locate microseisms in the subsurface (e.g., to locate
  • Information as to direction of fracture growth may allow for actions that can "steer" a fracture into a desired zone(s) or, for example, to halt a treatment before a fracture grows out of an intended zone.
  • fracturing may be performed by using plugs, which may be shaped as balls (e.g., spheres). In such an example, openings may be plugged, for example, to preferentially direct fluid.
  • plugs which may be shaped as balls (e.g., spheres).
  • openings may be plugged, for example, to preferentially direct fluid.
  • the operation 250 while illustrated as being vertical in Fig. 2, may be horizontal or at another deviated angle.
  • the plugs have properties suited to such an operation and, for example, one or more subsequent operations.
  • Properties may include mechanical properties and may include one or more other types of properties (e.g., chemical, electrical, etc.).
  • a plug may be desirable that a plug degrade, that a plug seat degrades, that at least a portion of a borehole tool degrades, etc.
  • a plug may be manufactured with properties such that the plug degrades when exposed to one or more conditions. In such an example, where the plug acts to block a passage, upon degradation, the passage may become unblocked.
  • a plug or other component may degrade in a manner that facilitates one or more operations.
  • a component or a portion of a component may degrade in stages. For example, consider a plug that degrades from a first size to a second smaller size. In such an example, the second smaller size may allow the plug to move (e.g., from a first seat to a second seat, etc.).
  • a plug seat may be degradable and degrade to a predefined size that may allow passage of a plug. For example, consider a plug seat of a plug tool, which may be a tracing related plug tool, a cementing related plug tool, etc.
  • Fig. 3 shows an example of a system 300 that includes a packer 310, perforations 31 2, a frac port 314, a first size ball 316 (e.g., in a first size ball seat), a packer 320, perforations 322, a frac port 324, a second size ball 326 (e.g., in a second size ball seat), a packer 328, a packer 330, perforations 332, a frac port 334, a circulating sub 338 and a tubing bottom 342.
  • the system 300 while illustrated as being vertical in Fig. 3, may be horizontal or at another deviated angle.
  • a frac port may be part of a tool.
  • a frac port may be part of a plug tool.
  • a frac valve may be part of a tool.
  • a frac valve may operate with respect to a plug, a sliding member, etc.
  • a plug tool may include at least one seat that can seat a plug (e.g., a ball, etc.), for example, to seal an opening or openings.
  • a plug tool and/or a plug may be at least in part degradable.
  • the balls 316 and 326 have properties suited to such a system and, for example, one or more operations (see, e.g., the operation 250 of Fig. 2, etc.). Properties may include mechanical properties and may include one or more other types of properties (e.g., chemical, electrical, etc.). As an example, it may be desirable that the balls 316 and 326 degrade. For example, a ball may be manufactured with properties such that the ball degrades when exposed to one or more conditions. In such an example, where the ball acts to block a passage, upon degradation, the passage may become unblocked.
  • a ball or other component may degrade in a manner that facilitates one or more operations.
  • a component or a portion of a component may degrade in stages. For example, consider a ball that degrades from a first size to a second smaller size. In such an example, the second smaller size may allow the ball to move (e.g., from a first seat to a second seat, etc.). For example, consider the ball 31 6 degrading from a first size to a second size such that the ball 31 6, upon at least partial degradation, may become the ball 326 and seat in a seat for such a ball.
  • a seat may be at least in part degradable, for example, to allow passage of a plug, which itself may be at least in part degradable.
  • a tool may apply force (e.g., drilling force or other force) to a plug, a plug tool, etc. such that the applied forces causes breaking into pieces of at least a portion of the plug, at least a portion of the plug tool, etc.
  • the pieces may be relatively large and degrade to relatively small pieces (e.g., which may pass through one or more openings, etc.).
  • Fig. 4 shows an example of a method 410 and an example of a method 450.
  • the method 410 and the method 450 include respective processing 415 and 455 that process material or materials that include grains characterized by grain size and grain shape to reduce grain size.
  • an alloy may be processed via the processing 41 5 to produce processed material with grain size that may be, for example, of the order of about 500 nanometers or less (e.g., consider about 300 nanometers or less).
  • a material may include, on average, nanosize grains (e.g., about 100 nanometers or less).
  • alloys may be processed via the processing 455 to produce processed material with grain size that may be, for example, of the order of about 500 nanometers or less (e.g., consider about 300 nanometers or less).
  • a material may include, on average, nanosize grains (e.g., about 100 nanometers or less).
  • processing may promote grain-boundary strengthening (e.g., Hall-Petch strengthening).
  • grain-boundary strengthening e.g., Hall-Petch strengthening
  • Such processing can strengthen a material, for example, by changing average crystallite (grain) size.
  • grain boundaries can impede dislocation movement, for example, the number of dislocations within a grain can have an effect on how easily dislocations can traverse grain boundaries and travel from grain to grain.
  • processing may include heat treatment after plastic deformation.
  • processing may include controlling a rate or rates of solidification to alter grain size of a material.
  • processing may alter strength, ductility or strength and ductility.
  • the strength of a material may be defined as the material's ability to withstand an applied load without failure. Strength may characterize a material, for example, via calculations of stresses, strains, stresses and strains, etc. For example, consider predicting response of a structure under loading and its susceptibility to various failure modes, which can take into account material properties such as its yield strength, ultimate strength, Young's modulus, and Poisson's ratio.
  • Mechanical macroscopic properties e.g., geometric properties
  • such as length, width, thickness, boundary constraints, abrupt changes in geometry, etc. may be considered when determining strength of a material.
  • Ductility pertains to deformation under tensile stress (e.g., measurable by stretching material). Malleability pertains to deformation under compressive stress (e.g., measureable by hammering or rolling material). Ductility and
  • a subgrain may be defined to be a part of a grain that is slightly disoriented from other parts of the grain. Depending on the processing of the material, subgrains can form within the grains of the material. As an example, a higher density of subgrain may provide for a higher yield stress of the material due to the increased subgrain boundaries. Strength of metal may vary reciprocally with subgrain size (e.g., analogous to Hall-Petch phenomenon). Subgrain boundary strengthening may include a breakdown point of around a subgrain size of about 1 00 nanometers (e.g., the size where smaller subgrains may decrease yield strength).
  • a material may include one or more calcium- magnesium (Ca--Mg) alloys, calcium-aluminum (Ca--AI) alloys, calcium-zinc (Ca--Zn) alloys, magnesium-lithium (Mg-Li) alloys, aluminum-gallium (Al--Ga) alloys, aluminum-indium (Al ⁇ ln) alloys, and aluminum-gallium-indium alloys (AI-Ga-ln).
  • a material may include about 80 weight percent aluminum, about 1 0 weight percent gallium and about 10 weight percent indium.
  • An alloy can include crystalline, amorphous or mixed structure (e.g. partially crystalline, partially amorphous).
  • Features characterizing the structure can include grains, grain boundaries, phases, inclusions, etc.
  • one or more features may be of the order of macroscopic, micron or submicron scale, for instance nanoscale. Shape, size, shape and size, etc. may be characteristics that can influence mechanical properties and, for example, reactivity.
  • a reactive material may include an element that tends to form positive ions when its compounds are dissolved in a liquid solution and whose oxides form hydroxides rather than acids with water.
  • a material may disintegrate. For example, consider an alloy that loses structural integrity and becomes dysfunctional for instance due to grain-boundary
  • a byproduct of degradation from grain boundaries may not necessarily include an ionic compound such as a hydroxide and may include a metallic powder residue (e.g., consider severely embrittled aluminum alloys of gallium and indium).
  • a material may be electrically conductive and may include a metallic luster.
  • a material may possess a relatively high mechanical strength in tension, shear and compression (e.g., exhibit a relatively high hardness).
  • alloying elements in an alloy consider, for example, carbon (C) in iron (Fe) (e.g., in a steel, etc.).
  • C carbon
  • Fe iron
  • one or more of lithium (Li), magnesium (Mg), calcium (Ca), and aluminum (Al) may be included in a material that includes an alloy or alloys.
  • Such metals or elements may, for example, act as metallic solvents, like iron in steels, or alloying elements, in dilute or high
  • a material may be degradable and, for example, an alloy may be degradable (e.g., a degradable alloy).
  • a material may degrade when subject to one or more conditions (e.g., over time). For example, consider one or more environmental conditions and/or "artificial" conditions that may be created via intervention, whether physical, chemical, electrical, etc.
  • conditions can include temperature, pressures (e.g., including loads and forces), etc.
  • a degradable alloy may degrade at least in part due to formation of internal galvanic cells, for example, between structural heterogeneities (e.g. phases, internal defects, inclusions, etc.).
  • a degradable material may resist passivation or, for example, formation of one or more stable protective layers.
  • a degradable alloy can include one or more alloying elements "trapped" in "solid solution".
  • alloying elements For example, consider aluminum, which may be impeded from passivating or building a resilient protective layer (e.g., aluminum oxide such as Al 2 0 3 ).
  • a material can include concentrations of one or more solute elements, for example, trapped in interstitial and in substitutional solid solutions.
  • concentrations, which may be spatially heterogeneous, of such one or more solute elements may be controlled through chemical composition, processing, etc. As an example, consider rapid cooling where solubility is higher than at ambient temperature or temperature of use.
  • a material may include one or more elements or phases that liquate (e.g., melt, etc.) once elevated beyond a certain temperature, pressure, etc., which for alloys may be predictable from phase diagrams, from thermodynamic calculations (e.g., as in the CALPHAD method), etc.
  • liquate e.g., melt, etc.
  • thermodynamic calculations e.g., as in the CALPHAD method
  • a material may "intentionally" fail via liquid-metal embrittlement, for example, as in an alloy that includes gallium and/or indium.
  • a degradable material may include an alloy or alloys and possess phases that may be susceptible to creep (e.g., superplastic) deformation (e.g., under intended force, etc.), possess phases that are brittle (e.g., which may rupture in response to impact, etc.).
  • a degradable material may include a calcium alloy such as, for example, calcium-lithium (Ca-Li), calcium-magnesium (Ca-Mg), calcium-aluminum (Ca-AI), calcium-zinc (Ca-Zn), calcium-lithium-zinc (Ca-Li-Zn), etc.
  • a calcium-based alloy lithium may be included in a calcium-based alloy.
  • concentrations for example, between about 0 to about 10 weight percent (e.g., to enhance reactivity, etc.). As an example, concentrations ranging from about 0 to about 10 weight percent of one or more of aluminum, zinc, magnesium and silver may enhance mechanical strength.
  • a material may include one or more magnesium-lithium (Mg-Li) alloys, for example, enriched with tin, bismuth and/or one or more other low- solubility alloying elements.
  • Mg-Li magnesium-lithium
  • a material can include one or more alloys of aluminum.
  • a material may include one or more of an aluminum-gallium (Al--Ga) alloy and an aluminum-indium (Al-ln) alloy.
  • a material may include one or more of an aluminum-gallium-indium (AI ⁇ Ga ⁇ ln) and an aluminum-gallium- bismuth-tin (Al-Ga-Bi-Sn) alloy.
  • a material can include aluminum, gallium and indium.
  • a material with an alloy of about 80 weight percent aluminum, about 10 weight percent gallium and about 10 weight percent indium may include Vickers microhardness (500 g) of about 32 (#1 ), 34 (#2), 34 (#3), 30 (#4), 35 (#5), 36 (#6) and 33 (average) and estimated strength of about 100 (MPa), 15 (ksi) and 1 .5 (normalized).
  • a component may be formed of material that provides a desired degradation rate and desired mechanical properties (e.g., strength, etc.).
  • a degradation rate may depend upon one or more conditions (e.g., temperature, pressure, fluid environments), which may be exist in an environment and/or may be achieved in an environment (e.g., via one or more types of intervention).
  • a method may produce a material such as, for example, a stainless steel, a nickel alloy (for HP & HT applications), or a degradable material.
  • a nickel alloy may be suitable for use in a harsh environment.
  • a harsh environment may be classified as being a high- pressure and high-temperature environment (HPHT).
  • HPHT high-pressure and high-temperature environment
  • an environment may include pressures up to about 138 MPa (e.g., about 20,000 psi) and temperatures up to about 205 degrees C (e.g., about 400 degrees F), a so- called ultra-HPHT environment may include pressures up to about 241 MPa (e.g., about 35,000 psi) and temperatures up to about 260 degrees C (e.g., about 500 degrees F) and a so-called HPHT-hc environment may include pressures greater than about 241 MPa (e.g., about 35,000 psi) and temperatures greater than about 260 degrees C (e.g., about 500 degrees F).
  • an environment may be classified based in one of the aforementioned classes based on pressure or temperature alone.
  • an environment may have its pressure and/or temperature elevated, for example, through use of equipment, techniques, etc.
  • a SAGD operation may elevate temperature of an environment (e.g., by 100 degrees C or more).
  • a degradable material may be suitable for use in an operation that may include stages.
  • stages For example, consider a cementing operation, a fracturing operation, etc.
  • a process may be associated with a completion where portions of the completion are constructed, managed, altered, etc. in one or more stages. For example, cementing may occur in stages that extend successively deeper into a drilled borehole and, for example, fracturing may occur in stages.
  • a method can include subjecting a material or materials to severe plastic deformation (SPD).
  • a method can employ one or more metalworking techniques that involve introducing very large strains that may provide for complex stress state or high shear, resulting in a high defect density and equiaxed ultrafine grain (UFG) sizes (e.g., with a dimension less than about 500 nm or, for example, less than about 300 nm) and/or nanocrystalline (NC) structures (e.g., with a dimension less than about 1 00 nm).
  • a method can include equi-channel angular processing (ECAP).
  • a method can include cyromilling.
  • a method can include ECAP and cyromilling.
  • a method can include raising alloy strength.
  • a method can include increasing pressure rating of a piece of equipment.
  • a method can include processing a nickel-chromium alloy 625 (e.g., INCONEL® 625, etc.).
  • a nickel-chromium alloy 625 e.g., INCONEL® 625, etc.
  • nickel nickel (58.0 minimum), chromium (20.0-23.0), iron (5.0 maximum), molybdenum (8.0-10.0), niobium (e.g., plus tantalum) (3.1 5-4.15), carbon (0.10 maximum), manganese (0.50 maximum), silicon (0.50 maximum), phosphorus (0.015 maximum), sulfur (0.01 5 maximum), aluminum (0.40 maximum), titanium (0.40 maximum), and cobalt (1 .0 maximum).
  • a method can include processing a nickel-chromium alloy to more than double its strength.
  • the processed alloy may be used in a piece of equipment to increase the pressure rating of the piece of equipment.
  • a method can include processing a NiCrMo alloy and using the processed alloy in equipment in an HPHT application (e.g., consider a sampling bottle formed at least in part of a processed alloy).
  • a material may be processed to form a degradable component or a portion of a component that is degradable.
  • a method may include processing material that includes a degradable alloy to strengthen the material.
  • the resulting material may be used, for example, as a component or as a portion of a component in a stage or stages of a fracturing operation.
  • such a material may be used as a component or as a portion of a component in a tensile-loaded application, for example, consider a bridge plug, etc.
  • a bridge plug may be a tool, for example, a bridge plug tool.
  • Such a tool may include one or more seats, which may, for example, provide for seating of one or more plugs.
  • a method may include processing to manufacture one or more abrasion-subjected parts.
  • the processing may increase part longevity. For example, consider a part such as a drill-stem stabilizer, which may be used in a deep well, in a deviated well, etc.
  • a method can include processing that may result in material with enhanced mechanical properties. For example, consider processing that forms nanostructures. In such an example, the material may exhibit more controlled and enhanced operational limits.
  • a material produced via a method that implements one or more processing techniques may "homogenize" grain size and grain shape.
  • a material with more homogeneous grains may behave in a manner that is more amenable to modeling. For example, when compared to a material with less homogenous grains, the material with more homogenous grains may behave in a more predictable manner.
  • Such a material may be implemented in one or more operations (e.g., as a component or as part of a component).
  • a material produced via a method that includes ECAP may be of a size that includes a cross-sectional dimension of the order of inches. For example, consider a material with a cross-sectional dimension of the order of about 10 inches or less.
  • a material produced via a method that includes ECAP may form stock that can be machined into a spherical form, a plug form, a plug tool form, a seat form, a valve form, or other borehole tool form, etc.
  • the resulting component may include grains of relatively homogenous size and shape.
  • the degradation mechanics may be predictable via one or more models, for example, more so than a material produced without ECAP that includes a less homogeneous grain size and shape and, for example, larger grain sizes.
  • a method can include casting.
  • a method can include forming a material from chips.
  • a method can include forming a material from powder.
  • a method can include forming a material from powder and chips.
  • a method can include forming a near-net strengthened ball.
  • a method can include forming a near-net strengthened dart.
  • a method can include increasing strength of a material via processing that increases homogeneity of the material.
  • a method can include processing that enhances degradability, for example, uniformity of degradation (e.g., CPL/PSG/WS).
  • a method can include reducing porosity in an alloy through severe plastic deformation (SPD). As an example, such an alloy may be a degradable alloy.
  • a method can include increasing strength and ductility of an alloy.
  • an alloy may be a degradable alloy.
  • a method can include developing more uniform properties of an alloy.
  • an alloy may be a degradable alloy.
  • a method can include increasing thermal stability of an alloy.
  • an alloy may be a degradable alloy.
  • a method can include abetting strain hardening through dislocation strengthening.
  • such an alloy may be a degradable alloy.
  • a method can include increasing volume fraction of low sigma coincidence lattices (e.g., low ⁇ CSLs) or coherent boundaries in an alloy with LSFE / TWIP properties, for example, for CRAs deployed in a hostile downhole environment (e.g., a harsh environment).
  • low sigma coincidence lattices e.g., low ⁇ CSLs
  • coherent boundaries in an alloy with LSFE / TWIP properties
  • a method can include increasing residual stress in a treated downhole component, for example, to mitigate effects of tensile loading in a hoop direction due to existing compressive residual stress.
  • a method can include ECAP.
  • ECAP can include pressing a billet through a single abrupt angle contained within a die.
  • a die may include multiple sections such that multiple abrupt angles exist within the die.
  • a level of imposed strain may be dependent on an angle ⁇ between two portions of a channel of a die and, for example, to a lesser extent by an angle ⁇ marking an outer arc of curvature where the two portions of the channel intersect.
  • imposed strain may be of the order of about 1 for a single pass through the channel.
  • repetitive pressings may be undertaken to impose larger strains.
  • Equal-channel angular pressing can fabricate ultrafine-grained metals and alloys.
  • ECAP can impose strain where one or more of a slip system and a shearing pattern may be factors that can be selected, adjusted, etc. that can influence ECAP.
  • ECAP may include a die with a die geometry.
  • ECAP may include one or more pressing regimes.
  • ECAP can provide for microstructural refinement during a pressing operation.
  • features of microstructures produced by ECAP may include single crystals, polycrystalline materials with both a single phase and multi-phases, and metal-matrix composites.
  • ECAP may be applied to form ultrafine grains in metals and alloys, which may enhance their mechanical and functional properties.
  • a method can include controlling a range of microstructural parameters such as, for example, grain boundary misorientations, crystallographic texture and distributions of one or more second phases.
  • Fig. 5 shows an example of a method 500 that includes a provision block 510 for providing material, a provision block 520 for providing a die that includes a channel, a passage block 530 for passing the material through the channel of the die multiple times, and a formation block 540 for forming a part.
  • a method can include cryomilling.
  • an alloy may be spray atomized.
  • spray-atomized powder may be produced with a particle size of less than about 150 microns.
  • the powder may be mechanically milled in liquid nitrogen, for example, to reduce the micron-sized grains in the atomized powders to nanocrystalline size.
  • liquid nitrogen boils at about -196 degrees C (e.g., about 77 K or about -321 degrees F).
  • a method may include applying a milling treatment.
  • nano-grained cryomilled particulates may be subsequently hot isostatic pressed (e.g., "HlPped") and extruded at apposite temperature to produce a bulk alloy.
  • FIG. 6 shows an example of a method 600 that includes a provision block 610 for providing a material, an atomization block 620 for atomizing the material at a low temperature and a formation block 640 for forming a part with the atomized material.
  • Fig. 7 shows an example of a method 700 that includes ECAP.
  • a die 702 with a channel 703 is provided along with material 704.
  • the material 704 is introduced to the channel 703 of the die 702.
  • a first pass block 720 the material 704 is passed through the channel 703 of the die 702 to expose the material 704 to deformation to produce deformed material 705.
  • the material 705 is rotated about a longitudinal axis (e.g., about 90 degrees) and introduced to the channel 703.
  • the material 705 is passed through the channel 703 of the die 702 to expose the material 705 to deformation to produce deformed material 706.
  • the material 706 is rotated about a longitudinal axis (e.g., about another 90 degrees for a total of 180 degrees from the introduction block 710) and introduced to the channel 703.
  • a third pass block 760 the material 706 is passed through the channel 703 of the die 702 to expose the material 706 to deformation to produce deformed material 707.
  • the material 704 may be stock material, for example, a bar, a rod, etc.
  • the resulting material 705, 706 or 707 may be processed material, for example, as a processed bar or a processed rod.
  • the processed material may be machined.
  • the processed material may be machined to form a part.
  • a part may be a ball, a plug, a plug tool, a portion of a tool, etc.
  • Fig. 8 shows an example of an assembly 800 that includes a die 802 that includes a channel 803, a forward punch 805 and a backward punch 807. As shown powder 810 can be introduced to the channel 803 where the powder 810 may be passed through the channel 803 to deform the powder to form deformed powder 81 2.
  • the channel 803 may include an entry portion and an exit portion where the forward punch 805 is received at least in part by the entry portion of the channel 803 and where the backward punch 807 is received at least in part by the exit portion of the channel 803.
  • a method can include controlling at least one of a force applied to a forward punch and force applied to a backward punch.
  • Fig. 9 shows an example of a die 902 that includes a channel 903.
  • the die 902 includes various dimensions including an x dimension and a y dimension, as well as an angle ⁇ .
  • a work-piece 910 may be passed through the channel 903.
  • the channel diameter per the dimension x is equal to the horizontal displacement between the two center lines of the channels, per the dimension y.
  • Fig. 10 shows an example of a method 1000 that includes atomizing material liquid 1010 in an inert gas atomization system with, for example, a cyclone separator for separating atomized particles and gas 1020.
  • pre- alloyed powder as atomized and separated, may be subjected to ball milling 1030, for example, in liquid nitrogen.
  • a powder mass ratio of about 30:1 may be used and an agent such as stearic acid (e.g., at about 0.2 weight percent) may be introduced.
  • the method 1000 can include hot isostatic pressing of the cryomilled powder, for example, as ball milled.
  • the example method 1000 can include hot extruding 1050 of the hot isostatic pressed cryomilled powder, for example, to produce hipped bulk material that may then be subjected to, for example, heat treating 1060.
  • a material such as 5083 Al may be spray-atomized.
  • the resulting spray-atomized powder may have a particle size less than about 150 microns, which may be mechanically milled in liquid nitrogen (e.g., cryomilling), for example, to reduce the micron-sized grains in the atomized powder to nanocrystalline size.
  • the nanograined cryomilled particulates may be subsequently hot isostatic pressed (hipped) and extruded at a temperature of about 473 K to produce the bulk ultra-fine grain (UFG) 5083 Al alloy.
  • cryomilling may produce cryomilled material with a reduced grain size. Such material may be further processed, optionally via ECAP.
  • a cryomilled material or cryomilled materials may be processed to form a component, a part of a component, etc.
  • a method such as the method 1000 of Fig. 10 may process 5083 Al with a grain growth exponent, n, that exhibits a decrease from 23 at 473 K to 9.4 at 673 K.
  • an annealing treatment may introduce pinning forces on grain boundaries.
  • grain growth regions can include a high-temperature region (e.g., of about 573 to 673 K) with an activation energy of about 124 kJ/mol and a low-temperature region (e.g., of about 473 to 573 K) with an activation energy of about 25 kJ/mol.
  • the relatively low activation energy (25 kJ/mol) for grain growth in the low-temperature regime may be attributed to a stress relaxation process associated with grain boundary readjustment and reordering; whereas, the activation energy associated with the high-temperature region (124 kJ/mol) lies between values associated with grain boundary and lattice diffusion in polycrystalline aluminum systems.
  • the microstructure evolved to become fairly large equiaxed grains that were nearly free from strains resulting from cryomilling, consolidation, and extrusion.
  • the controlling mechanism appears to include dispersion particle-inhibited grain growth. As a result of processing 5083 Al by gas atomization followed by cryomilling, fine dispersion particles were introduced.
  • a method can include mixing a first alloy and a second alloy to form a mixture, cold working the mixture to form a cold worked mixture and then age hardening the cold worked mixture to form an age hardened mixture.
  • the first and the second alloys may be aluminum alloys.
  • the alloys may be formed individually with nanostructure size grains and mixed to form a mixture. The mixture may be subjected to cold working to increase strength. Then, via age hardening, the strength may be further increased.
  • the 5083 Al grain size may be relatively stable during age hardening while the 7075 Al grain size may change and increase strength.
  • a method can harness thermal stability to provide for enhanced strength and ductility.
  • Aluminum alloy 5083 (5083 Al) includes magnesium and traces of manganese and chromium. It tends to be quite resistant to attack by seawater and industrial chemicals.
  • a method may include processing a mater below its incipient melting temperature. For example, consider an alloy with an incipient melting temperature of about 340 degrees C. Such a material may be processed at a lesser temperature where such processing introduces severe plastic deformation (SPD).
  • SPD severe plastic deformation
  • a material may be formed of a plurality of alloys.
  • Table 1 indicates application of sever plastic deformation for materials that include one or more of 5083 Al and 7075 Al.
  • the resulting properties indicate that a method can include tailoring, for example, to meet one or more desired properties of at least a portion of a borehole tool.
  • UTS ultimate tensile strengths
  • Table 1 also shows data for percent elongation (%e), which may be considered a measure of ductility. Accordingly, as shown in Table 1 , severe plastic deformation may be applied to a mixture of alloys to tailor strength and/or ductility.
  • a material may be a composite material that includes at least one alloy.
  • such a material may include ceramic, polymer, carbon, etc.
  • a material may include graphene, fiber structures, nanotube structures, etc.
  • a composite material may include components therein that act to pin grain boundaries.
  • a material may be processed to generate a processed material with directionality.
  • a material may include oriented grains, oriented fibers, nano-sheets, etc.
  • a material may be processed via a single pass through an ECAP die or, for example, multiple passes. In such an example, depending on orientation, number of passes, etc., directionality may be imparted as to structure (e.g., grain structure orientation, fiber orientation, nano-sheet orientation, etc.).
  • a material may be embedded with a material that is one or more of active, passive, chemical, functionalized, etc.
  • an embedded material may alter thermal conductivity, electrical conductivity, etc. of a bulk phase of the material.
  • an embedded material may operate at a grain boundary or grain boundaries.
  • a process material may be formed as part of a cable.
  • the processed material may be armor, a strength member, a barrier, an insulator, etc.
  • a component formed from processed material may be a bridge plug.
  • a bridge plug may be a downhole tool (e.g., a type of plug tool) that can be located and set to isolate a lower part of a wellbore.
  • a bridge plug may be permanent, degradable, retrievable, etc.
  • a bridge plug may be tailored to enable a lower wellbore to be permanently sealed from production or temporarily isolated, for example, from a treatment conducted on an upper zone.
  • a part, a component, etc. constructed of a processed material or processed materials may include be a fluid sampling bottle, a pressure housing, a pump shaft, a cable (e.g., wireline, a power cable, etc.), a bridge plug tool, a projectile (e.g., a drop ball, a dart, etc.), a drill stem stabilizer, etc.
  • a fluid sampling bottle e.g., a pressure housing
  • a pump shaft e.g., a pump shaft, a cable (e.g., wireline, a power cable, etc.), a bridge plug tool, a projectile (e.g., a drop ball, a dart, etc.), a drill stem stabilizer, etc.
  • a method can include subjecting a material to severe plastic deformation.
  • a method may employ ECAP, high pressure torsion (HPT), surface mechanical attrition (SMAT), cryomilling of spray atomized powders and subsequent consolidation through hot isostating processing (“HlPing”), extrusion, etc.
  • HPT high pressure torsion
  • SMAT surface mechanical attrition
  • HlPing hot isostating processing
  • extrusion etc.
  • a metallic material may be processed to produce processed material suitable for use in a downhole application.
  • a downhole environment that may be corrosive (e.g., sour hostile environments).
  • a material may be an alloy that may be
  • a method can include employing one or more techniques that introduce severe plastic deformation (SPD), which may, for example, augment mechanical properties of one or more oilfield metallic materials (e.g., which may increase part rating) and enhance and/or control response toward corrosion (e.g., including environmental cracking resistance, an effect especially evident in materials having low stacking fault energy (LSFE)).
  • SPD severe plastic deformation
  • oilfield metallic materials e.g., which may increase part rating
  • enhance and/or control response toward corrosion e.g., including environmental cracking resistance, an effect especially evident in materials having low stacking fault energy (LSFE)
  • a method may employ ECAP to increase residual stress, refine grains and develop a nano to ultrafine grained microstructure, which may, for example, increase strength via Hall-Petch strengthening and, for example, alter ductility by abetting grain boundary sliding, which may make a processed alloy a high strain rate superplastic that may enhance formability and working.
  • ECAP may be applied to abet strain hardening through dislocation strengthening.
  • a method can include introducing deformation twins and annealing twins (e.g., though post processing heat treatment), which may increase volume fraction of low sigma coincidence lattice (low ⁇ CSLs') and/or coherent boundaries.
  • a material e.g., a treated alloy
  • a method may employ cryomilling of one or more spray atomized powders and subsequent consolidation through HIPing and/or extrusion.
  • Such a method may be a powder metallurgy route to synthesize ultrafine grained metallic materials dispersion hardened due to the presence of nitrides and carbides of milled alloy due to treatment in liquid nitrogen.
  • a method can include refining grains and developing a nano to ultrafine grained microstructure with one or more of increased strength via Hall-Petch strengthening and increased ductility by abetting grain boundary sliding.
  • a treated alloy may be a high strain rate superplastic, which enhanced formability and workability.
  • a method can include increasing residual stresses in a treated alloy.
  • the treated alloy e.g., processed material
  • the treated alloy may be better able to mitigate the effect of tensile loading due to existing compressive residual stress.
  • a method can include abetting strain hardening through dislocation strengthening and introducing deformation twins and annealing twins (e.g., though post processing heat treatment), thus increasing the volume fraction of low sigma coincidence lattice (low ⁇ CSLs') and/or coherent boundaries, improving both mechanical and environmental resistance of the treated alloy in hostile environments (e.g., for alloys like NiCrMo).
  • a method can include dispersion strengthening of a treated material or materials (e.g., as cryomilled), for example, through introduction of nitrides, carbides, etc. Such a method may introduce second phase particles of treated spray atomized alloy powder.
  • a method can include increasing thermal stability of bulk alloy synthesized through a powder metallurgy route by introduction of second phase particles (e.g., drag).
  • second phase particles e.g., drag
  • a material may be a degradable material.
  • a method can include increase strength and ductility of one or more alloys that may be or include at least one degradable alloy.
  • a method can include increasing thermal stability of a degradable material.
  • a method can include reducing porosity in a cast alloy, for example, via a technique that introduces severe plastic deformation.
  • the cast alloy may be or include a degradable alloy.
  • a method can include making a centralizer using processed material.
  • a centralizer may exhibit enhanced wear resistance that can reduce surface damage and corrosion fatigue on a borehole assembly (e.g., BHA), for example, thereby increasing BHA lifetime.
  • BHA borehole assembly
  • reliability may be improved, for example, when drilling over extended deviated lengths.
  • a method can include making a sampling bottle.
  • a C22HS, a high strength C alloy of about 180 ksi yield strength may be processed using at least one technique that introduces severe plastic deformation.
  • refinement of grains may augment strength of a material several fold through Hall-Petch strengthening.
  • cold working may be employed (e.g., optionally without a change of shape of severe plastic deformation processed stock material).
  • an alloy of strength exceeding several hundred ksi e.g., more than about 300 ksi
  • a high strength corrosion resistant wire may be formed via a process that includes subjecting a material or materials to severe plastic deformation.
  • a material may be used to form wire for use in a wireline or a slickline.
  • a corrosion resistant alloy (CRA) processed via a method that employs severe plastic deformation may exhibit increased strength (e.g., several fold). In such an example, the CRA may be drawn into corrosion resistant wire.
  • CRA corrosion resistant alloy
  • a method can include forming a high strength degradable alloy via severe plastic deformation. For example, consider processing through milling in cryogenic temperatures and subsequent consolidation to produce bulk alloy.
  • properties of a degradable cast alloy may be augmented (e.g., several fold) by reducing porosities and imperfections (e.g., which may be inherent in a casting process) and, for example, by obtaining a more uniform fine grained microstructure.
  • uniform deformation and enhanced ductility may be exhibited by a processed alloy, for example, due to grain boundary sliding of the fine grains formed abetting possible high strain rate super-plasticity (e.g., consider ease of forming into one or more parts for deploying downhole).
  • a method can enhance strength and load bearing of a material through Hall-Petch strengthening, for example, for use of the material in one or more applications (e.g., high pressure reservoir applications, stimulation applications, etc.).
  • Fig. 1 1 shows an example of a method 1 100 that includes a process block 1 1 10 for processing material to form processed stock 1 120 and a machining block 1 130 for machining the processed stock 1 1 20 to form one or more machined parts.
  • Fig. 1 1 also shows an example of processed stock 1 1 22 and machined parts 1 132-1 and 1 132-2.
  • the processed stock 1 1 20 may be a bar, a rod, etc. that can be machined into a suitable shape (e.g., sphere, cylinder, etc.).
  • machine swarf e.g., chips, etc.
  • Swarf also known as chips or by other process-specific names (such as turnings, filings, or shavings) may be pieces of material resulting from machining or similar subtractive (material-removing) manufacturing processes.
  • a method can include recycling swarf.
  • a method can include processing swarf from processed stock that is machined to form one or more components.
  • the processed stock may be a degradable material that is used to form one or more degradable components (e.g., parts, etc.).
  • the swarf may be processed to form processed stock and then machined to form one or more parts.
  • swarf may be subjected to cryomilling and/or one or more other processes.
  • Fig. 12 shows an example of a method 1200 that includes a process block 1210 for processing material to form processed powder 1220 and a formation block 1230 for forming the processed powder 1220 to form one or more parts.
  • Fig. 12 also shows an example of a press 1 231 and processed powder 1222 and a formed part 1232.
  • the processed powder 1220 may be formed into a suitable shape (e.g., sphere, cylinder, etc.).
  • Fig. 13 shows examples of systems 1 301 , 1 302 and 1303 that include examples of equipment, which may be borehole tools.
  • the system 1301 includes a casing 1310, a centralizer 1 315, cement 1320 and a microannulus 1330 disposed between the casing 131 0 and the cement 1320 (see, e.g., cross-section along line A-A).
  • the centralizer 1315 is disposed with respect to the casing 1 310 and the microannulus 1 330.
  • the centralizer 131 5 includes biasing members 1 31 6 (e.g., springs such as bow springs) that join end pieces.
  • Another example of a centralizer is shown in Fig. 13 as a centralizer 131 7, which includes protruding elements 1318 that may define, at least in part, flow channels.
  • the elements 1318 may be helical in shape, spanning a portion of a helix (e.g., each of the elements 1318 may be defined at least in part with respect to an equation for a helix).
  • a centralizer may be a bow-spring centralizer that includes a strip shaped like a hunting bow and attached to a tool or to an outside of casing.
  • a bow-spring centralizer may be used to bias a casing toward a center of a bore, for example, prior to and during a cementing operation.
  • a centralizer may be a tool fitted with a hinged collar and springs (e.g., biasing members) that can bias a casing, a liner, etc. toward a center of a bore, for example, to help ensure efficient placement of a cement sheath around a casing string.
  • risk may be increased that a channel of drilling fluid or contaminated cement may be left where the casing contacts the formation, creating an imperfect seal.
  • a hydraulic centralizer may be a type of tool-string centralizer, optionally used in through-tubing applications, which can employ hydraulic force to energize centralizer arms or bows.
  • Such a centralizer may provide positive center positioning for cementing in vertical and deviated wells drilled using casing-drilling and liner-drilling technology.
  • a hydraulic centralizer may be placed on an outer diameter of a portion of a casing string, for example, to create standoff between the casing and a borehole for casing or liner drilling.
  • a hydraulic centralizer may include helical blades, for example, to enhance one or more of circulation, borehole cleaning, and cementing.
  • an optional tungsten carbide hard facing on the blades may be provided for wear resistance while drilling abrasive formations.
  • a processed material may be machined or otherwise formed as a centralizer or as a part of a centralizer.
  • one or more blades, one or more springs (e.g., bow springs), etc. may be formed using a processed material (e.g., processed via a severe plastic deformation process).
  • a centralizer may be optionally formed from ECAP processed material. For example, consider a method that includes generating stock processed material with a cross-sectional dimension sufficient to machine at least a portion of a centralizer therefrom. In such an example, a bore may be machined into the stock processed material and, for example, surface protrusions may be machined (e.g., consider a hydraulic centralizer).
  • the system 1302 includes an example of a sampling bottle 1350 with a sample chamber 1352 (e.g., for reservoir fluid) and a chamber for fluid such as water and glycol.
  • a sampling bottle can include various fittings, valves, etc.
  • a sampling bottle may include one or more additional chambers such as, for example, a gas chamber (e.g., a nitrogen chamber).
  • a sampling bottle may include an outer dimension (e.g., outer diameter) less than about five inches (e.g., optionally less than about four inches).
  • a part of the sampling bottle may be formed from ECAP processed material.
  • a bore may be machined into the stock processed material and, for example, appropriate apertures, openings, fittings, etc. may be machined.
  • the system 1303 includes an example of a frac plug tool 1370 that includes at least one seat 1372 to seat a plug 1374, which may be a ball (e.g., a spherical frac plug).
  • a valve of the frac plug tool may be defined at least in part by the seat 1372, which may be closed when the plug 1374 is dropped and becomes seated in the seat 1 372.
  • at least a portion of the frac plug tool 1370 may be degradable (e.g., consider the seat 1372 as being at least in part degradable) and/or at least a portion of the plug 1374 may be degradable.
  • a plug tool may include an outer dimension (e.g., outer diameter) less than about six inches.
  • a part of the plug tool may be formed from ECAP processed material.
  • a bore may be machined into the stock processed material and, for example, appropriate apertures, openings, fittings, etc. may be machined.
  • a borehole tool may be a tool that is part of a borehole assembly (e.g., "BHA") or borehole system.
  • BHA may be a lower portion of the drillstring, including (e.g., from a bottom up in a vertical well) a bit, a bit sub, optionally a mud motor, stabilizers, a drill collar, a heavy-weight drillpipe, a jarring devices (e.g., jars) and crossovers for various threadforms.
  • BHA may provide force for a bit to break rock (e.g., weight on bit), survive a hostile mechanical environment and provide a driller with directional control of a borehole.
  • an assembly may include one or more of a mud motor, directional drilling and measuring equipment, measurements-while-drilling tools, logging-while-drilling tools or other borehole tools.
  • a method can include producing stock material via equal-channel angular pressing and machining the stock material into at least one part.
  • the stock material can include an aluminum alloy.
  • the stock material can include gallium.
  • a method may include machining stock material produced via ECAP to form at least one degradable part.
  • a part may be a frac plug, which may optionally be a degradable frac plug.
  • a frac plug may be a layered plug, optionally including at least one degradable layer.
  • a frac plug may include a core and one or more layers where at least one of the layers is degradable and optionally where the core is degradable.
  • degradable layers, a degradable core, etc. may differ in properties in a manner that effects degradability (e.g., with respect to one or more conditions).
  • a method may include machining stock material produced via ECAP to form at least part of a borehole tool. For example, consider forming a plug tool or a portion of a plug tool such as a seat or seats of a plug tool that may be dimensioned to seat a plug or plugs.
  • a degradable frac plug may include an aluminum alloy that includes gallium and indium where the aluminum alloy has been processed using a technique or techniques that subject the alloy to severe plastic deformation, for example, to generate the frac plug with an average grain size less than about 500 nanometers (e.g., consider less than about 300 nanometers).
  • a method that includes ECAP may produce stock material with a cross-sectional dimension less than about 6 inches.
  • the method can include machining at least one sphere that has a diameter less than about 6 inches.
  • a method can include machining that generates swarf and processing the swarf to form additional stock material where such processing may include ECAP, cryomilling or ECAP and cryomilling.
  • a method can include producing stock material via cryomilling spray-atomized particles and forming the stock material into at least one part.
  • the stock material can include an aluminum alloy.
  • an aluminum alloy that includes gallium and, for example, indium.
  • a method that includes cryomilling spray-atomized particles may generate stock material that can form at least one part.
  • a frac plug which may be, for example, a degradable frac plug.
  • the stock material may include an aluminum alloy that includes gallium and indium.
  • a method may include forming at least part of a borehole tool using cryomilled spray-atomized particles. For example, consider forming a plug tool or a portion of a plug tool such as a seat or seats of a plug tool that may be dimensioned to seat a plug or plugs.
  • a method that includes cryomilling spray-atomized particles may generate stock material such as stock powder.
  • the method may include forming at least one part by pressing the stock powder into the at least one part.
  • an apparatus can include a shape and material that includes an aluminum alloy that has an average grain size less than about 500 nanometers or, for example, less than about 300 nanometers.
  • the apparatus may be a degradable apparatus.
  • such an apparatus may be a degradable plug.
  • the degradable plug may include aluminum and gallium and, for example, indium.
  • a method can include producing stock material via equal-channel angular pressing where the stock material includes an alloy that includes an average grain size less than approximately 500 nm and machining the stock material into at least one part of borehole tool.
  • a borehole tool may be a tool such as, for example, a tool operable in a downhole operation. For example, consider a plug as a tool, a plug tool, a centralizer, a sampling bottle, a wireline, a slickline, etc.
  • a method can include producing stock material via equal-channel angular pressing where the stock material includes at least one aluminum alloy that includes an average grain size less than approximately 500 nm and machining the stock material into at least one part of borehole tool.
  • an alloy may include one or more of the following group 13 elements: aluminum, gallium and indium.
  • a method can include producing stock material via equal-channel angular pressing where the stock material includes at least one magnesium alloy that includes an average grain size less than approximately 500 nm and machining the stock material into at least one part of borehole tool.
  • an alloy may include at least one of the following group 2 elements:
  • a method can include producing stock material via equal-channel angular pressing where the stock material includes at least one alloy that includes an average grain size less than approximately 500 nm and machining the stock material into at least one part of borehole tool where the at least one part is a degradable part.
  • the stock material includes at least one alloy that includes an average grain size less than approximately 500 nm and machining the stock material into at least one part of borehole tool where the at least one part is a degradable part.
  • a degradable plug e.g., a degradable plug tool, a degradable seat of a plug tool, a degradable centralizer, a degradable portion of a centralizer (e.g., collar portion, biasing member, flow guide portion, etc.).
  • a method can include producing stock material via equal-channel angular pressing where the stock material includes at least one alloy that includes an average grain size less than approximately 500 nm and machining the stock material into at least one part of borehole tool where the at least one part includes a frac plug.
  • stock material may be of dimensions sufficient to machine multiple frac plugs. For example, consider a piece of stock material with a length greater than or equal to about ten inches and a cross-section dimension of about five inches. Such a piece of stock material may be machined to form two frac plugs, for example, two spherical frac plugs with diameters of about five inches or less.
  • a frac plug may be a degradable frac plug, for example, where stock material is degradable (e.g., when subjected to one or more conditions, which may exist in a downhole environment, naturally and/or artificially).
  • a degradable frac plug may be made of or include an aluminum alloy that includes gallium and indium.
  • a method can include producing stock material via equal-channel angular pressing where the stock material includes at least one alloy that includes an average grain size less than approximately 500 nm and machining the stock material into at least one part of borehole tool.
  • the stock material may be produced with a cross-sectional dimension less than about 6 inches.
  • the method may include machining at least one sphere that includes a diameter less than about 6 inches.
  • a method may include machining stock material produced via ECAP where the machining generates swarf and processing the swarf to form additional stock material.
  • a method can include producing stock material via cryomilling spray-atomized particles where the stock material includes an alloy that includes a grain size less than approximately 500 nm and, for example, less than approximately 300 nm, and forming the stock material into at least one part of a borehole tool.
  • the method may include at least one of mixing the particles with at least one other material, consolidating at least the particles via hot isostatic pressing and consolidating at least the particles via vacuum hot pressing.
  • a method can include producing stock material via cryomilling spray-atomized particles where the stock material includes at least one aluminum alloy that includes a grain size less than approximately 500 nm and, for example, less than approximately 300 nm, and forming the stock material into at least one part of a borehole tool.
  • an aluminum alloy may include gallium and/or indium.
  • a method can include producing stock material via cryomilling spray-atomized particles where the stock material includes at least one magnesium alloy that includes a grain size less than approximately 500 nm and, for example, less than approximately 300 nm, and forming the stock material into at least one part of a borehole tool.
  • an alloy may include calcium.
  • a method can include producing stock material via cryomilling spray-atomized particles where the stock material includes at least one alloy that includes a grain size less than approximately 500 nm and, for example, less than approximately 300 nm, and forming the stock material into at least one part of a borehole tool where the at least one part includes a frac plug.
  • a method can include producing stock material via cryomilling spray-atomized particles where the stock material includes at least one alloy that includes a grain size less than approximately 500 nm and, for example, less than approximately 300 nm, and forming the stock material into at least one part of a borehole tool where the at least one part includes a degradable part.
  • the degradable part may include an aluminum alloy that includes gallium and indium.
  • a method can include producing stock material via cryomilling spray-atomized particles where the stock material includes at least one alloy that includes a grain size less than approximately 500 nm and, for example, less than approximately 300 nm, and forming the stock material into at least one part of a borehole tool wherein the producing produces the stock material as stock powder.
  • the method may include pressing the stock powder into the at least one part.
  • a degradable apparatus can include a shaped material that includes an aluminum alloy having an average grain size less than about 500 nanometers and, for example, optionally less than about 300 nanometers.
  • a material may include an aluminum alloy that includes gallium.
  • a material may include an aluminum alloy that includes gallium and indium.
  • the degradable apparatus may be a borehole tool or a part of a borehole tool.
  • one or more methods described herein may include associated computer-readable storage media (CRM) blocks. Such blocks can include instructions suitable for execution by one or more processors (or cores) to instruct a computing device or system to perform one or more actions.
  • CRM computer-readable storage media
  • equipment may include a processor (e.g., a microcontroller, etc.) and memory as a storage device for storing processor-executable instructions.
  • execution of the instructions may, in part, cause the equipment to perform one or more actions (e.g., consider the equipment 120 and the controller 122 of Fig. 1 , equipment of the system 300 of Fig. 3, a controller to control processing such as ECAP, cryomilling, machining, forming, etc.).
  • a computer-readable storage medium may be non-transitory and not a carrier wave.
  • one or more computer-readable media may include computer-executable instructions to instruct a computing system to output information for controlling a process.
  • such instructions may provide for output to sensing process, an injection process, drilling process, an extraction process, an extrusion process, a pumping process, a heating process, etc.
  • Fig. 14 shows components of a computing system 1400 and a networked system 1410.
  • the system 1400 includes one or more processors 1402, memory and/or storage components 1404, one or more input and/or output devices 1406 and a bus 1408.
  • instructions may be stored in one or more computer-readable media (e.g., memory/storage components 1404). Such instructions may be read by one or more processors (e.g., the processor(s) 1402) via a communication bus (e.g., the bus 1408), which may be wired or wireless.
  • instructions may be stored as one or more modules.
  • one or more processors may execute instructions to implement (wholly or in part) one or more attributes (e.g., as part of a method).
  • a user may view output from and interact with a process via an I/O device (e.g., the device 1406).
  • a computer-readable medium may be a storage component such as a physical memory storage device, for example, a chip, a chip on a package, a memory card, etc.
  • components may be distributed, such as in the network system 1410.
  • the network system 141 0 includes components 1422- 1 , 1422-2, 1422-3, . . . 1422-N.
  • the components 1422-1 may include the processor(s) 1402 while the component(s) 1422-3 may include memory accessible by the processor(s) 1402.
  • the component(s) 1402-2 may include an I/O device for display and optionally interaction with a method.
  • the network may be or include the Internet, an intranet, a cellular network, a satellite network, etc.

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Abstract

Un procédé peut comprendre la production d'un matériau de départ par extrusion angulaire à section constante dans lequel le matériau de départ contient un alliage qui présente une granulométrie moyenne inférieure à environ 500 nanomètres et l'usinage de la matière de départ sous forme d'au moins une partie d'outil de trou de forage.
PCT/US2014/060561 2013-10-15 2014-10-15 Traitement de matériau pour des composants WO2015057755A1 (fr)

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