USRE36362E - Polymer liners in rod pumping wells - Google Patents
Polymer liners in rod pumping wells Download PDFInfo
- Publication number
- USRE36362E USRE36362E US09/069,646 US6964698A USRE36362E US RE36362 E USRE36362 E US RE36362E US 6964698 A US6964698 A US 6964698A US RE36362 E USRE36362 E US RE36362E
- Authority
- US
- United States
- Prior art keywords
- tubing
- sucker rods
- string
- liners
- well
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 28
- 238000005086 pumping Methods 0.000 title claims abstract description 27
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 10
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims description 19
- -1 polyethylene Polymers 0.000 claims description 19
- 229920000573 polyethylene Polymers 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 230000008878 coupling Effects 0.000 abstract description 12
- 238000010168 coupling process Methods 0.000 abstract description 12
- 238000005859 coupling reaction Methods 0.000 abstract description 12
- 238000005299 abrasion Methods 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 6
- 239000002861 polymer material Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 239000003129 oil well Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1007—Wear protectors; Centralising devices, e.g. stabilisers for the internal surface of a pipe, e.g. wear bushings for underwater well-heads
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
- E21B43/127—Adaptations of walking-beam pump systems
Definitions
- the present invention pertains in general to oil field production equipment and in particular to the use of polymer liners in rod pumping wells.
- This invention relates to production tubing strings used in oil wells that are being produced by rod pumping, which is the conventional technique for pumping oil from underground reservoirs.
- a motor drives a walking beam which is connected to a polished rod that is in turn connected to a string of sucker rods which extend down the borehole to support the downhole pump. As the motor runs, the walking beam raises and lowers the polished rod and string of sucker rods which causes the pump to lift the fluid from the reservoir up to the surface.
- the production tubing joints in a rod-pumped well are lined with polymer liners which reduce the abrasion and failure of the tubing joints caused by the reciprocating rods.
- the polymer liners such as high density polyethylene liners, have a coefficient of friction which is far superior to the coefficient of friction of steel tubing. Further, when the polyethylene liner is wetted by the produced fluid, susceptibility to abrasion is further reduced.
- the present invention achieves the substantial benefits of protecting the tubing string on a rod pumped well from the detrimental effects to and failures of the production tubing caused by the reciprocating rods as well as protecting the tubing against corrosive elements such as salt water, hydrogen sulfide, carbon dioxide and other corrosive elements produced in oil wells.
- Still another object of this invention is to provide protection of the production tubing string of an oil well produced by rod pumping from the corrosive elements of the components of the produced fluid and thereby provide an opportunity to reduce the production costs by reducing the chemical treatment of the well's producing string.
- a rod pumping system comprises a plurality of sucker rods (a sucker rod string) disposed within a string of tubing which extends into an oil well. Connected to the sucker rods is a downhole pump.
- the improved method and apparatus comprises using tubing sections having abrasion resistent polymer liners disposed within the inside bore of the tubing to eliminate contact between said sucker rods and tubing string when said sucker rods are bring reciprocated.
- the preferred polymer liner material is polyethylene, especially high and ultra-high density polyethylene materials.
- a preferred method of disposing the polymer liners within the tubing sections includes providing a liner having a greater outer diameter than the inner diameter of the tubing, mechanically reducing the outer diameter of the liner by rollers or other known means, and pushing the liner into the tubing bore.
- FIG. 1 is a typical rod pumping system
- FIG. 2 is a sectional view of coupled, polymer lined tubing joints.
- the present invention relates to the use of polymer lined tubing strings to reduce the frictional forces between the reciprocating rods and the tubing string in a rod pumped well. To better understand the present invention a brief description of a typical rod pumping system is provided below.
- a rod pumping system generally indicated by reference numeral 10, includes a walking beam horsehead 12 for reciprocating a polished rod 14 which is connected to the horsehead by cable 16. Polished rod 14 extends through a stuffing box 18. A string of sucker rods 20 connected together by couplings 22 hangs from polished rod 14 within a tubing string 24 located in a casing 26. The sucker rods 20 are connected to a subsurface pump 28. In a reciprocation cycle of the structure, including the horsehead 12, polished rod 14 and sucker rods 20, well fluids are lifted on the upstroke.
- two joints of metal tubing 30, having an inner diameter 32 and outer diameter 34, are connected together by coupling 36.
- a polymer liner 40 Disposed within each tubing joint 30 adjacent its inner surface 38 is a polymer liner 40.
- Polymer liners which are typically manufactured by extrusion methods, are well known in the field and are readily available.
- the liner 40 may be disposed within the tubing 30 by any one of several methods known in the art.
- a preferred method of disposing the liner within the tubing bore is to provide a polymer liner having an outer diameter which is slightly greater than the inner diameter of the tubing section pipe having an outside diameter larger than the internal diameter of the tubing, reduce the outside diameter of the liner and insert the reduced diameter liner within the tubing.
- rollers may be used to mechanically reduce the outside diameter of the liner by the desired amount and to push the liner into the tubing joint.
- Other methods include pulling the liner through a sizing sleeve or orifice and pushing the reduced diameter liner into place in the tubing section.
- the polymer liner 40 is constructed of a durable, abrasion resistant polymer material such as a polyethylene.
- a durable, abrasion resistant polymer material such as a polyethylene.
- High density, high and ultra-high molecular weight polyethylene pipe is preferred since it is extremely resistent to abrasive forces such as those caused by sucker rods and rod couplings in a rod pumped well.
- high density polyethylene polymer materials exhibit excellent self-lubricating and/or wet-lubricating characteristics thereby increasing pumping efficiency.
- High and ultra-high density polyethylene and high and ultra-high molecular weight polyethylene are well defined in the industry by their molecular structure and weight. Suitable polyethylene materials are disclosed in U.S. Pat. No. 4,938,285 which is hereby incorporated by reference.
- the liner 42 should be sufficiently thick to provide reasonable longevity to the tubing string.
- the liner thickness ranges from about 140 to about 200 millimeters.
- the optimum thickness of the liner will depend on the size of the tubing being used since the liner will reduce the effective inside diameter of the tubing string which affects the sizing of the pump which can be used. In the exemplary embodiment shown in FIG. 2, the thickness "t" of the liner 42 is about 150 millimeters.
- the present invention also provides several other benefits and advantages over conventional non-lined tubing. For example, paraffin build up is reduced since the polymer liner will provide an insulation of the production string thereby reducing the temperature loss in the production string from the bottom of the well to the well head, resulting in a reduced deposition of paraffin. Further, the present invention permits the use of a lower grade tubing than would ordinarily be utilized as the production tubing string in an oil well produced by rod pumping.
- the lined tubing of the present invention may also be effectively used in combination with rod guides and/or rod coupling shields well known in the art, depending upon the well depth, deviation of the hole, rod action and other factors, to minimize the contact between the rods and/or rod couplings and the tubing walls.
- rod guides and/or rod coupling shields well known in the art, depending upon the well depth, deviation of the hole, rod action and other factors, to minimize the contact between the rods and/or rod couplings and the tubing walls.
- suitable rod guides which may be used in conjunction with the polymer lined tubing of the present invention are disclosed in U.S. Pat. No. 4,938,285.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/069,646 USRE36362E (en) | 1994-12-07 | 1998-04-29 | Polymer liners in rod pumping wells |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/350,475 US5511619A (en) | 1994-12-07 | 1994-12-07 | Polymer liners in rod pumping wells |
US09/069,646 USRE36362E (en) | 1994-12-07 | 1998-04-29 | Polymer liners in rod pumping wells |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/350,475 Reissue US5511619A (en) | 1994-12-07 | 1994-12-07 | Polymer liners in rod pumping wells |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE36362E true USRE36362E (en) | 1999-11-02 |
Family
ID=23376881
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/350,475 Ceased US5511619A (en) | 1994-12-07 | 1994-12-07 | Polymer liners in rod pumping wells |
US09/069,646 Expired - Lifetime USRE36362E (en) | 1994-12-07 | 1998-04-29 | Polymer liners in rod pumping wells |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/350,475 Ceased US5511619A (en) | 1994-12-07 | 1994-12-07 | Polymer liners in rod pumping wells |
Country Status (1)
Country | Link |
---|---|
US (2) | US5511619A (en) |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6334485B1 (en) * | 1997-09-05 | 2002-01-01 | Schlumberger Technology Corporation | Deviated borehole drilling assembly |
US20050211445A1 (en) * | 2004-03-24 | 2005-09-29 | Ravi Krishna M | Casing comprising stress-absorbing materials and associated methods of use |
US20060017281A1 (en) * | 2003-12-17 | 2006-01-26 | Mckeen Laurence W | Coated pipes for conveying oil |
US20060124308A1 (en) * | 2002-05-16 | 2006-06-15 | Wagon Trail Ventures, Inc. | Downhole oilfield tubulars |
US7107154B2 (en) | 2004-05-25 | 2006-09-12 | Robbins & Myers Energy Systems L.P. | Wellbore evaluation system and method |
US20060271299A1 (en) * | 2004-05-25 | 2006-11-30 | Ward Simon J | Wellbore evaluation system and method |
US20100043905A1 (en) * | 2004-04-06 | 2010-02-25 | E. I. Du Pont De Nemours And Company | Lined Pipes for Conveying Chemicals |
US8997880B2 (en) | 2012-01-31 | 2015-04-07 | Wagon Trail Ventures, Inc. | Lined downhole oilfield tubulars |
US11125046B2 (en) | 2019-12-10 | 2021-09-21 | Saudi Arabian Oil Company | Deploying wellbore patch for mitigating lost circulation |
US11149510B1 (en) | 2020-06-03 | 2021-10-19 | Saudi Arabian Oil Company | Freeing a stuck pipe from a wellbore |
US11255130B2 (en) | 2020-07-22 | 2022-02-22 | Saudi Arabian Oil Company | Sensing drill bit wear under downhole conditions |
US11261678B2 (en) | 2019-12-10 | 2022-03-01 | Saudi Arabian Oil Company | Deploying wellbore patch for mitigating lost circulation |
US11286733B2 (en) | 2020-03-26 | 2022-03-29 | Saudi Arabian Oil Company | Deploying material to limit losses of drilling fluid in a wellbore |
US11391104B2 (en) | 2020-06-03 | 2022-07-19 | Saudi Arabian Oil Company | Freeing a stuck pipe from a wellbore |
US11414985B2 (en) | 2020-05-28 | 2022-08-16 | Saudi Arabian Oil Company | Measuring wellbore cross-sections using downhole caliper tools |
US11414984B2 (en) | 2020-05-28 | 2022-08-16 | Saudi Arabian Oil Company | Measuring wellbore cross-sections using downhole caliper tools |
US11434708B2 (en) | 2020-06-10 | 2022-09-06 | Saudi Arabian Oil Company | Lost circulation fabric, method, and deployment systems |
US11434714B2 (en) | 2021-01-04 | 2022-09-06 | Saudi Arabian Oil Company | Adjustable seal for sealing a fluid flow at a wellhead |
US11434707B2 (en) | 2020-06-10 | 2022-09-06 | Saudi Arabian Oil Company | Lost circulation fabric, method, and deployment systems |
US11454071B2 (en) | 2020-03-26 | 2022-09-27 | Saudi Arabian Oil Company | Deploying material to limit losses of drilling fluid in a wellbore |
US11459838B2 (en) | 2020-06-10 | 2022-10-04 | Saudi Arabian Oil Company | Lost circulation fabric, method, and deployment systems |
US11506044B2 (en) | 2020-07-23 | 2022-11-22 | Saudi Arabian Oil Company | Automatic analysis of drill string dynamics |
US11572752B2 (en) | 2021-02-24 | 2023-02-07 | Saudi Arabian Oil Company | Downhole cable deployment |
US11624265B1 (en) | 2021-11-12 | 2023-04-11 | Saudi Arabian Oil Company | Cutting pipes in wellbores using downhole autonomous jet cutting tools |
US11631884B2 (en) | 2020-06-02 | 2023-04-18 | Saudi Arabian Oil Company | Electrolyte structure for a high-temperature, high-pressure lithium battery |
US11643878B2 (en) | 2020-03-26 | 2023-05-09 | Saudi Arabian Oil Company | Deploying material to limit losses of drilling fluid in a wellbore |
US11668143B2 (en) | 2019-12-10 | 2023-06-06 | Saudi Arabian Oil Company | Deploying wellbore patch for mitigating lost circulation |
US11697991B2 (en) | 2021-01-13 | 2023-07-11 | Saudi Arabian Oil Company | Rig sensor testing and calibration |
US11719089B2 (en) | 2020-07-15 | 2023-08-08 | Saudi Arabian Oil Company | Analysis of drilling slurry solids by image processing |
US11727555B2 (en) | 2021-02-25 | 2023-08-15 | Saudi Arabian Oil Company | Rig power system efficiency optimization through image processing |
US11846151B2 (en) | 2021-03-09 | 2023-12-19 | Saudi Arabian Oil Company | Repairing a cased wellbore |
US11867012B2 (en) | 2021-12-06 | 2024-01-09 | Saudi Arabian Oil Company | Gauge cutter and sampler apparatus |
US11867008B2 (en) | 2020-11-05 | 2024-01-09 | Saudi Arabian Oil Company | System and methods for the measurement of drilling mud flow in real-time |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6334466B1 (en) * | 1998-10-09 | 2002-01-01 | The Gates Corporation | Abrasion-resistant material handling hose |
US6352107B1 (en) | 1999-02-11 | 2002-03-05 | Allen & Bennett, Inc. | Wear resistant well pump rod and method for making same |
US6220358B1 (en) * | 1999-05-19 | 2001-04-24 | Humberto F. Leniek, Sr. | Hollow tubing pumping system |
US6585049B2 (en) | 2001-08-27 | 2003-07-01 | Humberto F. Leniek, Sr. | Dual displacement pumping system suitable for fluid production from a well |
WO2004016419A2 (en) * | 2002-08-19 | 2004-02-26 | Robroy Industries, Inc. | High temperature liner |
WO2004060811A2 (en) * | 2003-01-06 | 2004-07-22 | Tvt Us Corporation | Process for treating a body of water |
US9010429B2 (en) | 2006-09-15 | 2015-04-21 | Schlumberger Technology Corporation | Integrated well access assembly and method |
CA2709648C (en) * | 2007-12-20 | 2015-02-10 | Borealis Ag | Well tubings with polymer liners |
US8590612B2 (en) * | 2009-04-21 | 2013-11-26 | Schlumberger Technology Corporation | System and method to provide well service unit with integrated gas delivery |
US20140182946A1 (en) * | 2012-12-31 | 2014-07-03 | Longyear Tm, Inc. | Engineered materials for drill rod applications |
US10352351B2 (en) | 2016-12-19 | 2019-07-16 | Ford Global Technologies, Llc | Motor shaft assembly and assembling method with an insert that provides a fluid conduit |
CA3028889A1 (en) | 2018-11-01 | 2020-05-01 | Pro Pipe Service & Sales Ltd | Tubular for downhole use |
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US4308917A (en) * | 1978-01-09 | 1982-01-05 | Dismukes Newton B | Buoyant tubulars and method for installing same in a well bore |
US4581919A (en) * | 1985-06-18 | 1986-04-15 | Sullivan Mitch M | Retrievable hydrostatic testing tool for pressure testing tubing |
US4773479A (en) * | 1987-05-27 | 1988-09-27 | Guy Weldon E | Corrosion guard tubing nipple |
US4793409A (en) * | 1987-06-18 | 1988-12-27 | Ors Development Corporation | Method and apparatus for forming an insulated oil well casing |
US4852655A (en) * | 1987-05-27 | 1989-08-01 | Guy Weldon E | Tubing coupling and method |
US4858688A (en) * | 1988-06-27 | 1989-08-22 | Edwards Billy J | Sucker rod guide |
US4938285A (en) * | 1988-06-27 | 1990-07-03 | Edwards Billy J | Ultra-high molecular weight polyethylene sucker rod guide |
US5099917A (en) * | 1990-11-08 | 1992-03-31 | Roser Kenneth P | Water well construction |
US5110644A (en) * | 1988-02-28 | 1992-05-05 | Institut Francais Du Petrole Et Aerospatiale | Composition material tube substantially insensitive to the variations of length under the effect of the internal pressure |
US5219028A (en) * | 1992-02-25 | 1993-06-15 | Conoco Inc. | Well casing and well casing method |
US5271974A (en) * | 1990-04-30 | 1993-12-21 | Amsted Industries Incorporated | Improved cement and polyolefin lined product |
US5351752A (en) * | 1992-06-30 | 1994-10-04 | Exoko, Incorporated (Wood) | Artificial lifting system |
-
1994
- 1994-12-07 US US08/350,475 patent/US5511619A/en not_active Ceased
-
1998
- 1998-04-29 US US09/069,646 patent/USRE36362E/en not_active Expired - Lifetime
Patent Citations (12)
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US4308917A (en) * | 1978-01-09 | 1982-01-05 | Dismukes Newton B | Buoyant tubulars and method for installing same in a well bore |
US4581919A (en) * | 1985-06-18 | 1986-04-15 | Sullivan Mitch M | Retrievable hydrostatic testing tool for pressure testing tubing |
US4773479A (en) * | 1987-05-27 | 1988-09-27 | Guy Weldon E | Corrosion guard tubing nipple |
US4852655A (en) * | 1987-05-27 | 1989-08-01 | Guy Weldon E | Tubing coupling and method |
US4793409A (en) * | 1987-06-18 | 1988-12-27 | Ors Development Corporation | Method and apparatus for forming an insulated oil well casing |
US5110644A (en) * | 1988-02-28 | 1992-05-05 | Institut Francais Du Petrole Et Aerospatiale | Composition material tube substantially insensitive to the variations of length under the effect of the internal pressure |
US4858688A (en) * | 1988-06-27 | 1989-08-22 | Edwards Billy J | Sucker rod guide |
US4938285A (en) * | 1988-06-27 | 1990-07-03 | Edwards Billy J | Ultra-high molecular weight polyethylene sucker rod guide |
US5271974A (en) * | 1990-04-30 | 1993-12-21 | Amsted Industries Incorporated | Improved cement and polyolefin lined product |
US5099917A (en) * | 1990-11-08 | 1992-03-31 | Roser Kenneth P | Water well construction |
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Title |
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Cited By (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6334485B1 (en) * | 1997-09-05 | 2002-01-01 | Schlumberger Technology Corporation | Deviated borehole drilling assembly |
US7740077B2 (en) | 2002-05-16 | 2010-06-22 | Wagon Trail Ventures, Inc. | Downhole oilfield tubulars |
US20060124308A1 (en) * | 2002-05-16 | 2006-06-15 | Wagon Trail Ventures, Inc. | Downhole oilfield tubulars |
US20060017281A1 (en) * | 2003-12-17 | 2006-01-26 | Mckeen Laurence W | Coated pipes for conveying oil |
US8776837B2 (en) | 2003-12-17 | 2014-07-15 | E I Du Pont De Nemours And Company | Coated pipes for conveying oil |
US7871684B2 (en) * | 2003-12-17 | 2011-01-18 | E. I. Du Pont De Nemours And Company | Coated pipes for conveying oil |
US7575789B2 (en) | 2003-12-17 | 2009-08-18 | E.I. Du Pont De Nemours And Company | Coated pipes for conveying oil |
US20090266437A1 (en) * | 2003-12-17 | 2009-10-29 | E. I. Du Pont De Nemours And Company | Coated Pipes for Conveying Oil |
US20050211445A1 (en) * | 2004-03-24 | 2005-09-29 | Ravi Krishna M | Casing comprising stress-absorbing materials and associated methods of use |
US7337841B2 (en) | 2004-03-24 | 2008-03-04 | Halliburton Energy Services, Inc. | Casing comprising stress-absorbing materials and associated methods of use |
US8685493B2 (en) | 2004-04-06 | 2014-04-01 | E I Du Pont De Nemours And Company | Process for forming a non-stick surface on the interior surface of a pipe |
US20100043885A1 (en) * | 2004-04-06 | 2010-02-25 | E. I. Du Pont De Nemours And Company | Lined Vessels for Conveying Chemicals |
US20100043905A1 (en) * | 2004-04-06 | 2010-02-25 | E. I. Du Pont De Nemours And Company | Lined Pipes for Conveying Chemicals |
US8211497B2 (en) | 2004-04-06 | 2012-07-03 | E. I. Du Pont De Nemours And Company | Process for forming a nonstick surface on the interior surface of a pipe |
US7346455B2 (en) | 2004-05-25 | 2008-03-18 | Robbins & Myers Energy Systems L.P. | Wellbore evaluation system and method |
US20060271299A1 (en) * | 2004-05-25 | 2006-11-30 | Ward Simon J | Wellbore evaluation system and method |
US7107154B2 (en) | 2004-05-25 | 2006-09-12 | Robbins & Myers Energy Systems L.P. | Wellbore evaluation system and method |
US8997880B2 (en) | 2012-01-31 | 2015-04-07 | Wagon Trail Ventures, Inc. | Lined downhole oilfield tubulars |
US11261678B2 (en) | 2019-12-10 | 2022-03-01 | Saudi Arabian Oil Company | Deploying wellbore patch for mitigating lost circulation |
US11125046B2 (en) | 2019-12-10 | 2021-09-21 | Saudi Arabian Oil Company | Deploying wellbore patch for mitigating lost circulation |
US11668143B2 (en) | 2019-12-10 | 2023-06-06 | Saudi Arabian Oil Company | Deploying wellbore patch for mitigating lost circulation |
US11286733B2 (en) | 2020-03-26 | 2022-03-29 | Saudi Arabian Oil Company | Deploying material to limit losses of drilling fluid in a wellbore |
US11643878B2 (en) | 2020-03-26 | 2023-05-09 | Saudi Arabian Oil Company | Deploying material to limit losses of drilling fluid in a wellbore |
US11454071B2 (en) | 2020-03-26 | 2022-09-27 | Saudi Arabian Oil Company | Deploying material to limit losses of drilling fluid in a wellbore |
US11414985B2 (en) | 2020-05-28 | 2022-08-16 | Saudi Arabian Oil Company | Measuring wellbore cross-sections using downhole caliper tools |
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