CN108316862A - Convenient for cooling reamer blade - Google Patents
Convenient for cooling reamer blade Download PDFInfo
- Publication number
- CN108316862A CN108316862A CN201810310825.1A CN201810310825A CN108316862A CN 108316862 A CN108316862 A CN 108316862A CN 201810310825 A CN201810310825 A CN 201810310825A CN 108316862 A CN108316862 A CN 108316862A
- Authority
- CN
- China
- Prior art keywords
- wing
- reamer
- radial section
- hypomere
- epimere
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 15
- 230000007704 transition Effects 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 abstract description 23
- 238000005553 drilling Methods 0.000 abstract description 22
- 239000012530 fluid Substances 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
-
- 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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- 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
- E21B12/00—Accessories for drilling tools
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)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of convenient for cooling reamer blade, on reamer ontology, reamer blade is by wing epimere, wing stage casing and wing hypomere are connected with each other, the upper end radial section product of wing epimere is less than its lower end radial section product, the lower end radial section product of wing hypomere is less than the upper end radial section and accumulates, the radial spis sections such as wing stage casing is, the lower end of wing epimere to upper end is in the axially and radially transition in the form of the pyramidal structure of linear tapered, the upper end of wing hypomere to lower end is in the axially and radially transition in the form of the pyramidal structure of linear tapered.The present invention is by setting reamer blade to three-stage structure, and its epimere and hypomere are respectively set to the pyramidal structure form of linear tapered, drilling fluid is forced directly to wash away the cutting unit being arranged on wing stage casing, cleaning and the cooling capacity for improving cutting unit greatly strengthen performance and the service life of the cutting unit and reamer on the wing stage casing of reamer blade.
Description
Technical field
The present invention relates to a kind of wing structures of the reamer for underreamer operation, more particularly to one kind is convenient for cooling
Reamer blade.
Background technology
With the deep development of the drillings industry such as oil, petrochemical industry, drill and petroleum extraction tools are needed to deeper, more complicated stratum and are more difficult to
Rock stratum drilling is crept into, and demand of the drilling enterprise to drilling efficiency increasingly improves, and has pushed the rapid hair of drilling technology significantly
Exhibition.Reaming hole refers to the process of just the wellbore that this already present wellbore is expanded as to diameter bigger in situ using drilling means.In oil
During pneumatic drill well operations, underreamer operation, which has become, to be solved Tail Pipe For Complicated Deep Wells blocked portion, improvement casing program, improves well cementation matter
Amount and the important means for reducing drilling cost.
Reamer is widely used and knows in oil/gas drilling field of operation.Currently, the two-way reamer of fixed-wing because its zero
Component is few, widely used by Drilling enterprise using reliable.But due to the failure easy to wear of its cutting unit, service life phase
To shorter.Although as drilling technology continues to develop, corresponding reaming hole technology is also being constantly progressive, in the wing shape of reamer
It still improves and innovates without what on shape.Such as：Smith is public in it authorizes the United States Patent (USP) that public platform is " 8607900 "
A kind of two-way reamer of cloth；Equally, Bassal.et al. also disclose one in the European patent EP 1811124 of its application
The reamer of kind and the Smith similar types announced.The wing of above-mentioned reamer is integrally spiral-shaped, and chip space is relatively narrow,
And the planform of chip space is also unfavorable for excluding drilling cuttings, the not Flow Field Distribution of OPTIMIZATION OF DRILLING FLUID.
Since reamer does not have the Flow Field Distribution of OPTIMIZATION OF DRILLING FLUID, cutting unit thereon cannot lubricate, is cold well
But, the chip of generation cannot be discharged in time, easily lead to cutting unit premature abrasion and damage, and then reamer is caused integrally to damage
Failure.It in reaming hole operation, once reamer damages, would have to pull out of hole and replaces reamer, to increase drilling cost, reduce
Drilling efficiency.
Invention content
The purpose of the present invention be that solve the above-mentioned problems and to provide a kind of subsection setup of different shapes convenient for cold
But reamer blade.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of reamer blade convenient for cooling is set on reamer ontology, if the center line side of the reamer ontology
To for vertical direction, the reamer blade is connected with each other by wing epimere, wing stage casing and wing hypomere, the wing
The upper end radial section product of epimere is less than its lower end radial section product, and the lower end radial section product of the wing hypomere is small thereon
It is to wait radial spis section to hold radial section product, the wing stage casing, the lower end radial section product of the wing epimere, the wing
The upper end radial section product of hypomere and the whole section of radial section in the wing stage casing accumulate all same, and the lower end of the wing epimere is extremely
Upper end is in the axially and radially transition in the form of the pyramidal structure of linear tapered, and upper end to the lower end of the wing hypomere is in axial direction
With the radial transition in the form of the pyramidal structure of linear tapered.Above-mentioned wing stage casing, wing epimere and wing hypomere respectively with expansion
The major diameter stage casing of eye device ontology and the position of path epimere, hypomere correspond.
Preferably, the position that the reamer blade connects with the reamer ontology smoothly transits, the reamer
Surface on ontology between the wing stage casing of the two neighboring reamer blade is equal diameter helicla flute.
Specifically, the radial cross-sectional shape of the equal diameter helicla flute is round, oval, trapezoidal, rectangle, square
Or triangle.Depending on actual needs.
Preferably, the reamer blade and described this body by integral forming of reamer.
The beneficial effects of the present invention are：
Its epimere and hypomere are respectively set to linearly gradually by the present invention by setting reamer blade to three-stage structure
The pyramidal structure form of contracting makes the radial direction of drilling fluid its runner (between adjacent blades) when from both ends to intermediate flow cut
Area is smaller and smaller, and the cutting unit being arranged on wing stage casing to force drilling fluid directly to wash away improves cutting unit
Cleaning and cooling capacity, can effectively avoid cutting unit earlier period damage caused by high temperature, greatly strengthen positioned at reamer
The performance of cutting unit on the wing stage casing of wing and service life, to can ensure that the reamer for applying the wing has
Preferable cutting effect obtains preferable wall quality, and greatly prolongs the service life of reamer.
Description of the drawings
Fig. 1 is the front view of the present invention convenient for cooling reamer blade.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, it is of the present invention be set on reamer ontology 4 convenient for cooling reamer blade and with reamer sheet
Body 4 is integrally formed, if the centerline direction of reamer ontology 4 is vertical direction, the reamer blade is by wing epimere 1, knife
Wing stage casing 2 and wing hypomere 3 are connected with each other, and the upper end radial section product of wing epimere 1 is less than its lower end radial section product,
The lower end radial section product of wing hypomere 3 is less than the upper end radial section and accumulates, and wing stage casing 2 is to wait radial spis section, on wing
1 lower end radial section product, the upper end radial section product of wing hypomere 3 and the whole section of radial section product in wing stage casing 2 of section are homogeneously
Together, the lower end of wing epimere 1 to upper end is in the axially and radially transition in the form of the pyramidal structure of linear tapered, wing hypomere 3
Upper end to lower end in the axially and radially transition in the form of the pyramidal structure of linear tapered, the reamer blade and reamer
The position that ontology 4 connects smoothly transits, on reamer ontology 4 positioned at the two neighboring reamer blade wing stage casing 2 it
Between surface be equal diameter helicla flute 5, the radial cross-sectional shape of equal diameter helicla flute 5 be round, oval, trapezoidal, rectangle,
Square or triangle, depending on actual needs.
In conjunction with Fig. 1, it is respectively equipped with cutting tooth (not shown) on wing epimere 1, wing stage casing 2 and wing hypomere 3, uses
When, the top and bottom of reamer ontology 4 are connect with drilling rod and drill bit respectively, the cutting tooth on wing hypomere 3 is cut first
The borehole wall is scraped with repairing, then the cutting tooth on wing stage casing 2, which is cut and repaiied together with the cutting tooth on wing hypomere 3, scrapes the borehole wall, bores
Well liquid enters reamer from the upper end of reamer ontology 4, by way of the endoporus (not shown) of entire reamer ontology 4, from expansion
The lower end of eye device ontology 4 flows downward out reamer ontology 4, and then flows through drill bit, passes through two neighboring expansion when being returned on drilling fluid
The gap between chip space or two neighboring cutting tooth between eye device wing returns to ground along the borehole wall, to be reamer knife
The wing provides cooling and lubrication.Drilling fluid during the outer surface of reamer ontology 4 is flowed, get over by the radial section product of runner
Next smaller, the cutting unit i.e. cutting tooth being arranged on wing stage casing 2 to force drilling fluid directly to wash away improves cutting tooth
Cleaning and cooling capacity, can effectively avoid cutting tooth earlier period damage caused by high temperature, greatly strengthen positioned at reamer knife
The performance of cutting tooth on the wing stage casing 2 of the wing and service life, to can ensure that apply the wing reamer have compared with
Good cutting effect, obtains preferable wall quality, and greatly prolong the service life of reamer.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (4)
1. it is a kind of convenient for cooling reamer blade, it is set on reamer ontology, it is characterised in that：If the reamer ontology
Centerline direction is vertical direction, and the reamer blade is connected with each other by wing epimere, wing stage casing and wing hypomere,
The upper end radial section product of the wing epimere is less than its lower end radial section product, the lower end radial section product of the wing hypomere
It is accumulated less than the upper end radial section, the wing stage casing is to wait radial spis section, the lower end radial section product of the wing epimere,
The upper end radial section product of the wing hypomere and the whole section of radial section in the wing stage casing accumulate all same, the wing epimere
Lower end to upper end in the axially and radially transition in the form of the pyramidal structure of linear tapered, the upper end of the wing hypomere is under
End is in the axially and radially transition in the form of the pyramidal structure of linear tapered.
2. according to claim 1 convenient for cooling reamer blade, it is characterised in that：The reamer blade with it is described
The position that reamer ontology connects smoothly transits, and the wing of the two neighboring reamer blade is located on the reamer ontology
Surface between stage casing is equal diameter helicla flute.
3. according to claim 2 convenient for cooling reamer blade, it is characterised in that：The diameter of the equal diameter helicla flute
It is round, oval, trapezoidal, rectangle, square or triangle to cross sectional shape.
4. according to claim 1,2 or 3 convenient for cooling reamer blade, it is characterised in that：The reamer blade
With described this body by integral forming of reamer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310825.1A CN108316862A (en) | 2018-04-09 | 2018-04-09 | Convenient for cooling reamer blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310825.1A CN108316862A (en) | 2018-04-09 | 2018-04-09 | Convenient for cooling reamer blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108316862A true CN108316862A (en) | 2018-07-24 |
Family
ID=62896322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310825.1A Pending CN108316862A (en) | 2018-04-09 | 2018-04-09 | Convenient for cooling reamer blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108316862A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618010A (en) * | 1986-02-18 | 1986-10-21 | Team Engineering And Manufacturing, Inc. | Hole opener |
| CN2378532Y (en) * | 1999-05-28 | 2000-05-17 | 靳从起 | Sucker rod nylon centralising device |
| CN204851097U (en) * | 2015-08-06 | 2015-12-09 | 北京泓宇恒业科技发展有限公司 | Reaming drilling string type stabilizer |
| US20160123085A1 (en) * | 2014-11-05 | 2016-05-05 | Duane Shotwell | Reamer for Use in Drilling Operations |
| US20160265280A1 (en) * | 2014-11-05 | 2016-09-15 | Duane Shotwell | Reamer for Use in Drilling Operations |
| CN208122759U (en) * | 2018-04-09 | 2018-11-20 | 成都百施特金刚石钻头有限公司 | Convenient for cooling reamer blade |
-
2018
- 2018-04-09 CN CN201810310825.1A patent/CN108316862A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618010A (en) * | 1986-02-18 | 1986-10-21 | Team Engineering And Manufacturing, Inc. | Hole opener |
| CN2378532Y (en) * | 1999-05-28 | 2000-05-17 | 靳从起 | Sucker rod nylon centralising device |
| US20160123085A1 (en) * | 2014-11-05 | 2016-05-05 | Duane Shotwell | Reamer for Use in Drilling Operations |
| US20160265280A1 (en) * | 2014-11-05 | 2016-09-15 | Duane Shotwell | Reamer for Use in Drilling Operations |
| CN204851097U (en) * | 2015-08-06 | 2015-12-09 | 北京泓宇恒业科技发展有限公司 | Reaming drilling string type stabilizer |
| CN208122759U (en) * | 2018-04-09 | 2018-11-20 | 成都百施特金刚石钻头有限公司 | Convenient for cooling reamer blade |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9745800B2 (en) | Expandable reamers having nonlinearly expandable blades, and related methods | |
| US8225884B2 (en) | Rotor underreamer, section mill, casing cutter, casing scraper and drill string centralizer | |
| CA2859009A1 (en) | Apparatuses and methods for stabilizing downhole tools | |
| AU2010217782A1 (en) | Drill bit for earth boring | |
| US20120267173A1 (en) | Drill bit for boring earth and other hard materials | |
| CN105221089A (en) | A kind of devices and methods therefor changing shaft bottom drilling fluid rheology performance | |
| CN109339709A (en) | It is novel to bore PDC cutter composite drill bit again | |
| CN107100550A (en) | A kind of gradually reducing type efficient rock-breaking taper PDC drill bit | |
| CN208122759U (en) | Convenient for cooling reamer blade | |
| MXPA04011869A (en) | Wedge activated underreamer. | |
| CN103104203A (en) | Drilling-fluid solid-control control process | |
| US2863641A (en) | Rotary expansible drill bits | |
| CN108316862A (en) | Convenient for cooling reamer blade | |
| CN106639930B (en) | Vortex generator | |
| CN206860100U (en) | Three sections spiral two-way with brill expansion reaming tool | |
| CN106917589B (en) | Drill bit for double-wall drill rod reverse circulation drilling | |
| CN212003038U (en) | Combined drill bit structure for drilling anchor rod/anchor cable | |
| CN203655165U (en) | Casing pipe windowing bit | |
| CN206448773U (en) | A kind of gear wheel draws cave drill bit | |
| CN2918706Y (en) | Slim-hole drill-follow reamer | |
| CN204627428U (en) | Drill bit cooling unit | |
| CN2906031Y (en) | Plunger type micro-reaming while drilling tool | |
| CN211081711U (en) | PDC drill bit with reaming and reaming function | |
| CN108316864A (en) | The two-way reamer of high-efficient cutting | |
| CN212154655U (en) | Micro-reaming sand removal tool for well drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180724 |