CN107740679A - A kind of coiled tubing drilling combination sealing drill bit - Google Patents
A kind of coiled tubing drilling combination sealing drill bit Download PDFInfo
- Publication number
- CN107740679A CN107740679A CN201710926239.5A CN201710926239A CN107740679A CN 107740679 A CN107740679 A CN 107740679A CN 201710926239 A CN201710926239 A CN 201710926239A CN 107740679 A CN107740679 A CN 107740679A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- seal
- combination
- sealing
- coiled tubing
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 80
- 238000005553 drilling Methods 0.000 title claims abstract description 47
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 18
- 241000237942 Conidae Species 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 9
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical compound [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
- 229910000531 Co alloy Inorganic materials 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000000704 physical effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000004512 die casting Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000002028 premature Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 208000004188 Tooth Wear Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 241000773945 Trimusculidae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007704 transition Effects 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
-
- 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
- E21B10/08—Roller bits
- E21B10/16—Roller bits characterised by tooth form or arrangement
-
- 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
- E21B10/08—Roller bits
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to one kind to be applied to coiled tubing drilling combination sealing drill bit,Often occur that bearing wear is serious or bad seals for existing single-cone rotary drill bit,The bushing ring of anti abrasive copper alloy is added in bearing portions,Reduce the premature wear of gear wheel bearing and teeth palm bearing,At water hole end,Add multi-sealed protection,Fluid is prevented to enter drill bit internal,O-ring seal is improved into Parker combination seal in bearing seal part,Parker combination seal is in seal process,Combination seal can maintain and compensate the load that lip part is born under stretching and compressive state,O-ring prevents the torsion of lip-shaped ring under extreme conditions,Distortion,Roll deformation,Ensure that sealing is stable at high temperature under high pressure,Premature failure does not occur,The use range that the present invention can seal according to Parker carries out appropriate combination type selecting,Ensure that seal assembly can bear to wear simultaneously,Extruding,The function of high temperature and corrosive liquid medium.
Description
Technical field
The present invention relates to a kind of drilling well coiled tubing drilling combination sealing drill bit, more particularly to continuous tubing drill water
Horizontal well, directional well combination sealing drill bit.
Background technology
In the drilling process of oil and natural gas, how to reduce cost of drilling engineering turns into oil and gas prospect
With an important topic of exploitation, DRILLING WITH COILED TUBING feature can not only obtain higher exploration and development benefit, Er Qieneng
Enough improve recovery ratio, reduce drilling efficiency, so having using DRILLING WITH COILED TUBING to drilling cost control of crucial importance
Meaning, DRILLING WITH COILED TUBING be for the smaller oil well of scale, it is inclined to borehole size by implementing small bits
The drilling new technology that small drilling well is implemented, because the exploitation production cost of some Reservoirs is larger, with drilling technology skill
The horizontal raising of art, the technical advantage for boring coiled tubing well exploitation oil gas progressively highlight so that DRILLING WITH COILED TUBING is into brill
The new breakthrough of well technology.
The selected single-cone rotary drill bit of DRILLING WITH COILED TUBING at present, by bit body, spherical gear wheel, tooth, seal,
The part such as lubricating system is formed, and tooth is connected with spherical gear wheel in the form of being interference fitted, and the material used in tooth is identical, is hard
Alloy material, tooth wear is uneven during due to bit operation, and the zone teeth abrasion with shaft bottom Long Term Contact quickly, makes drill bit
Tooth life does not match that with bearing life, have impact on the drilling depth of drill bit, easily makes bit body frayed after tooth wear, causes
Undergauge, difficulty is caused to the further drilling after trip-out.
It is an object of the invention to provide a kind of resistance to roll flute of band, the gradient tooth single-cone rotary drill bit of gauge block, the work of tooth is improved
Make the life-span, strengthen gauge, improve the sealing structure of drill bit in addition, using multi-seal system, reinforce layer by layer, greatly enhance close
Reliability is sealed, is adapted to coiled tubing sidetracked hole, with compared with size tricone bit, the gear wheel and bearing of this drill bit big will obtain
It is more, and cutting dental transition is big, it is harder, hard, tough, it can extend bit life when boring hard formation with larger the pressure of the drill, make entering for drill bit
Chi is improved.
The content of the invention
The purpose of the present invention is：In order to overcome existing continuous tubing drill rat hole bit serious wear, bearing seal part
Initial failure, the short problem of service life, spy provide a kind of coiled tubing drilling combination sealing drill bit, and such a drill bit is adapted to connect
The small size single-cone rotary drill bit of continuous oil pipe sidetracked hole, by the improvement to drill bit sealing structure, using multi-seal system, significantly
Strengthen sealing reliability and service life.
To achieve these goals, the present invention uses following technical scheme：A kind of coiled tubing drilling is bored with combination sealing
Head, bit leg, improvement Parker combination seal, bushing ring, cone shell, locking steel ball, carboloy nozzle, plug pin, combination are close
Sealing, combination sealing I, nozzle retaining ring, tungsten-cobalt alloy nozzle, combination sealing II, wedge-shaped carbide button, bulb carbide button, nozzle gear
Ring, O-ring seal are formed, and wear-resisting wedge-shaped carbide button is disposed with cone shell, and bit leg top is disposed with multi-turn bulb carbide button,
At the apopore of drill bit, the double-layer sealing structure of combination seal, combination sealing I and combination sealing II, external fluid is produced
Raw multilayer isolation, drill bit of the invention can coordinate the screw motor of respective model or turbine type motor to carry out coiled tubing drilling
Operation.
The wedge-shaped carbide button, bulb carbide button and cone shell table of a kind of coiled tubing drilling combination sealing drill bit
The face perforation that drills and reams is connected in the form of being interference fitted.
A kind of coiled tubing drilling is to be symmetrical with ellipse with the wedge-shaped flank of tooth of the wedge-shaped carbide button of combination sealing drill bit
Major axis simultaneously forms an angle what beveling was formed with it, and wedge-shaped carbide button tooth top is formed for polycrystalline diamond is powder sintered, and wedge shape is closed
Golden tooth bottom cylinder is that cemented carbide powder sintering forms, and has high wearability.
A kind of coiled tubing drilling passes through polycrystalline diamond powder and hard with the bulb carbide button of combination sealing drill bit
Matter sintering alloy powder into composite teeth, bulb carbide button tooth top is formed for polycrystalline diamond is powder sintered, under bulb carbide button
Portion's cylinder is that cemented carbide powder sintering forms, and can bear multidirectional grinding.
A kind of coiled tubing drilling is cut with the tungsten-cobalt alloy nozzle of combination sealing drill bit by the alloy wire of tungsten-cobalt element
Cut and be made, there is very stable physical property, fluid erosion prevention effect is extremely strong, and the nozzle baffle ring of carboloy nozzle passes through Y types and K-type
Weld seam welds；The interface of carboloy nozzle is directly welded at after can individually processing.
A kind of coiled tubing drilling with the improvement Parker combination seal of combination sealing drill bit by bit leg, bushing ring,
Cone shell, combination sealing I, combination sealing II form.
A kind of coiled tubing drilling is high temperature resistant butyronitrile with the O-ring seal of the combination sealing I of combination sealing drill bit
Rubber, support ring are made up of nitrile rubber；Combination sealing II is made up of O-ring seal, rectangular seal, the rubber of this sealing structure
Glue material can provide that improved pressure-resistant compression permanent deformation, resilience are high, tension is strong by improving the physical property of polyurethane material
Degree can bear -54 DEG C -127 DEG C of temperature change so as to improve sealing property.
A kind of coiled tubing drilling with the bushing ring of combination sealing drill bit by under cryogenic conditions with cone shell
Hole elastic conjunction, bushing ring use copper alloy machine-shaping.
A kind of coiled tubing drilling is with the combination seal of combination sealing drill bit by O-ring seal and improved lip
Sealing ring carries out die casting shaping.
The beneficial effects of the invention are as follows：(1) in seal process, torsion, distortion, the rolling of combination seal under extreme conditions
Dynamic deformation, and they are all made up of styrene, ensure that sealing is stable at high temperature under high pressure, premature failure does not occur；(2) combination
Drill bit is sealed at extremely low or high temperature, combination seal can keep stable at interior outer contacting interface, either
In gap or interference fit, combination seal will maintain and compensate the load that lip part is born；(3) can be sealed according to Parker
Use range carry out appropriate combination type selecting, it is ensured that seal assembly can simultaneously bear to wear in seal process, extrude, temperature
The function of degree, resistance and liquid medium；(4) change the relatively previously used single-cone rotary drill bit of combination sealing drill bit, improve water hole
With the sealing structure of bearing portions, parts reduce, are easy to assemble and process, and manufacturing process and design are especially suitable for horizontal well
And deep-well, there is important engineering significance.
Brief description of the drawings
Fig. 1 is a kind of structural representation of coiled tubing drilling combination sealing drill bit.
Fig. 2 is a kind of graphics of coiled tubing drilling combination sealing drill bit.
Fig. 3 is a kind of carbide button schematic diagram of coiled tubing drilling combination sealing drill bit.
Fig. 4 is a kind of water outlet end seal combination figure of coiled tubing drilling combination sealing drill bit.
Fig. 5 is a kind of bearing seal constitutional diagram of coiled tubing drilling combination sealing drill bit.
Fig. 6 is a kind of sealing composite diagram of coiled tubing drilling combination sealing drill bit.
In figure：1. bit leg, 2. improve Parker combination seal, and 3. bushing rings, 4. cone shells, 5. locking steel balls, 6. is hard
Matter alloy nozzle, 7. plug pins, 8. combination seals, 9. combination sealings I, 10. nozzle retaining rings, 11. tungsten-cobalt alloy nozzles, 12. groups
Conjunction sealing II, 13. wedge-shaped carbide buttons, 14. bulb carbide buttons, 15. nozzle baffle rings, 16.O type sealing rings, 901.O type sealing rings,
902. support rings, 120.O type sealing rings, 121. rectangular seals, 201.O type sealing rings, 202. lip-type packings.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of coiled tubing drilling combination sealing drill bit, bit leg 1, improves Parker combination seal 2, edge
The collar 3, cone shell 4, locking steel ball 5, carboloy nozzle 6, plug pin 7, combination seal 8, combination sealing I 9, nozzle retaining ring
10th, tungsten-cobalt alloy nozzle 11, combination sealing II 12, wedge-shaped carbide button 13, bulb carbide button 14, nozzle baffle ring 15, O-ring seal
16 form, and are disposed with wear-resisting wedge-shaped carbide button 13 on cone shell 4, the top of bit leg 1 is disposed with multi-turn bulb carbide button 14, bored
At the apopore of head, the double-layer sealing structure of combination seal 8, combination sealing I 9 and combination sealing II 12, external fluid is produced
Raw multilayer isolation, drill bit of the invention can coordinate the screw motor of respective model or turbine type motor to carry out coiled tubing drilling
Operation, wedge-shaped carbide button 13, bulb carbide button 14 and the surface of cone shell 4 perforation 20 that drills and reams are connected in the form of interference fit, wedge
The wedge-shaped flank of tooth of shape carbide button 13 is symmetrical with transverse and formed with its beveling that forms an angle, the wedge-shaped tooth of carbide button 13
Push up and formed for polycrystalline diamond is powder sintered, the wedge-shaped bottom cylinder of carbide button 13 is that cemented carbide powder sintering forms, and has pole
High wearability, the composite teeth that bulb carbide button 14 is sintered into by polycrystalline diamond powder and cemented carbide powder, bulb close
The golden tooth top of tooth 14 is formed for polycrystalline diamond is powder sintered, the bottom cylinder of bulb carbide button 14 be cemented carbide powder sinter and
Into, multidirectional grinding can be born, tungsten-cobalt alloy nozzle 11 is cut into by the alloy wire of tungsten-cobalt element, have it is very stable
Physical property, fluid erosion prevention effect is extremely strong, and the nozzle baffle ring 15 of carboloy nozzle 6 is welded by Y types and K-type weld seam；Can be independent
The interface of carboloy nozzle 6 is directly welded at after processing.
As shown in figure 4, Parker combination seal 2 is improved by bit leg 1, bushing ring 3, cone shell 4, combination sealing I 9, group
The composition of sealing II 12 is closed, the O-ring seal 901 of combination sealing I 9 is high temperature resistant butyronitrile rubber, and support ring 902 is by nitrile rubber system
Into；Combination sealing II 12 is made up of O-ring seal 120, rectangular seal 121, and the elastomeric material of this sealing structure passes through improvement
The physical property of polyurethane material, improved pressure-resistant compression permanent deformation, resilience height, tensile strength can be provided and sealed so as to improve
Performance, -54 DEG C -127 DEG C of temperature change can be born.
As shown in figure 5, bushing ring 3 uses copper by the endoporus elastic conjunction under cryogenic conditions with cone shell 4, bushing ring 3
Alloy machine-shaping, combination seal 8 carry out die casting shaping by O-ring seal 201 and improved lip-type packing 202.
Claims (9)
1. a kind of coiled tubing drilling combination sealing drill bit, it is by bit leg (1), improves Parker combination seal (2), bushing ring
(3), cone shell (4), locking steel ball (5), carboloy nozzle (6), plug pin (7), combination seal (8), combination sealing I
(9), nozzle retaining ring (10), tungsten-cobalt alloy nozzle (11), combination sealing II (12), wedge-shaped carbide button (13), bulb carbide button
(14), nozzle baffle ring (15), O-ring seal (16) composition, it is characterized in that：Wear-resisting wedge-shaped alloy is disposed with cone shell (4)
Tooth (13), bit leg (1) top is disposed with multi-turn bulb carbide button (14), at the apopore of drill bit, combination seal (8), group
The double-layer sealing structure of I (9) of sealing and combination sealing II (12) is closed, multilayer isolation is produced to external fluid, drill bit of the present invention can
The screw motor or turbine type motor for coordinating respective model carry out continuous tubing drill well operations.
2. a kind of coiled tubing drilling combination sealing drill bit according to claim 1, it is characterized in that：Wedge-shaped carbide button
(13), bulb carbide button (14) and cone shell (4) surface perforation (20) that drills and reams are connected in the form of being interference fitted.
3. a kind of coiled tubing drilling combination sealing drill bit according to claim 1, it is characterized in that：Wedge-shaped carbide button
(13) the wedge-shaped flank of tooth is symmetrical with transverse and formed with its beveling that forms an angle, and wedge-shaped carbide button (13) tooth top is
Polycrystalline diamond is powder sintered to be formed, and wedge-shaped carbide button (13) bottom cylinder is that cemented carbide powder sintering forms, and is had high
Wearability.
4. a kind of coiled tubing drilling combination sealing drill bit according to claim 1, it is characterized in that：Bulb carbide button
(14) composite teeth sintered into by polycrystalline diamond powder and cemented carbide powder, bulb carbide button (14) tooth top are glomerocryst gold
Hard rock is powder sintered to be formed, and bulb carbide button (14) bottom cylinder is that cemented carbide powder sintering forms, and can be born multi-direction
Grinding.
5. a kind of coiled tubing drilling combination sealing drill bit according to claim 1, it is characterized in that：Tungsten-cobalt alloy nozzle
(11) it is cut into by the alloy wire of tungsten-cobalt element, there is very stable physical property, fluid erosion prevention effect is extremely strong, hard alloy spray
The nozzle baffle ring (15) of mouth (6) is welded by Y types and K-type weld seam；Carboloy nozzle (6) is directly welded at after can individually processing
Interface.
6. a kind of coiled tubing drilling combination sealing drill bit according to claim 1, it is characterized in that：Improve Parker combination
Seal (2) is by bit leg (1), bushing ring (3), cone shell (4), combination sealing I (9), combination sealing II (12) composition.
7. a kind of coiled tubing drilling combination sealing drill bit according to claim 1, it is characterized in that：Combination sealing I (9)
O-ring seal (901) be high temperature resistant butyronitrile rubber, support ring (902) is made up of nitrile rubber；Combination sealing II (12) is by O
Type sealing ring (120), rectangular seal (121) composition, the elastomeric material of this sealing structure is by improving the thing of polyurethane material
Rationality energy, improved pressure-resistant compression permanent deformation, resilience height, tensile strength can be provided so as to improve sealing property, -54 can be born
DEG C -127 DEG C of temperature change.
8. a kind of coiled tubing drilling combination sealing drill bit according to claim 1, it is characterized in that：Bushing ring (3) by
Under cryogenic conditions copper alloy machine-shaping is used with the endoporus elastic conjunction of cone shell (4), bushing ring (3).
9. a kind of coiled tubing drilling combination sealing drill bit according to claim 1, it is characterized in that：Combination seal
(8) die casting shaping is carried out by O-ring seal (201) and improved lip-type packing (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926239.5A CN107740679B (en) | 2017-10-06 | 2017-10-06 | A kind of coiled tubing drilling combination sealing drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926239.5A CN107740679B (en) | 2017-10-06 | 2017-10-06 | A kind of coiled tubing drilling combination sealing drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107740679A true CN107740679A (en) | 2018-02-27 |
| CN107740679B CN107740679B (en) | 2019-06-18 |
Family
ID=61236655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710926239.5A Expired - Fee Related CN107740679B (en) | 2017-10-06 | 2017-10-06 | A kind of coiled tubing drilling combination sealing drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740679B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2690980C1 (en) * | 2018-08-14 | 2019-06-07 | Рустем Флитович Гаффанов | Single-roller bit |
| CN110359849A (en) * | 2018-04-03 | 2019-10-22 | 西南石油大学 | Rock bit combined sealing structure |
| CN114936436A (en) * | 2022-06-07 | 2022-08-23 | 西南石油大学 | Method for establishing spiral seal wear model of roller bit under high-temperature and dynamic load working conditions |
| CN116104421A (en) * | 2023-04-04 | 2023-05-12 | 成都迪普金刚石钻头有限责任公司 | PDC mixed-inlaid drill bit suitable for coring of hard broken stratum |
| CN114936436B (en) * | 2022-06-07 | 2024-06-11 | 西南石油大学 | Method for establishing spiral seal abrasion model of roller bit under high-temperature and dynamic load working conditions |
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|---|---|---|---|---|
| US4429854A (en) * | 1982-11-26 | 1984-02-07 | Smith International, Inc. | Dual squeeze seal gland |
| US4432883A (en) * | 1981-12-09 | 1984-02-21 | Resistic Materials Inc. | Seal with teflon or rubber |
| CN201581810U (en) * | 2009-12-22 | 2010-09-15 | 天津立林石油机械有限公司 | Sealed roller cone drill bit with pressure balancing device |
| CN201924832U (en) * | 2010-12-16 | 2011-08-10 | 湖南天鹰科技集团有限公司 | Monometal sealed roller bit |
| CN203640605U (en) * | 2013-08-23 | 2014-06-11 | 陕西金刚石油机械有限公司 | Oil storage single-cone bit with O-shaped ring and metal ring two-way combined seal |
| CN105909178A (en) * | 2016-05-31 | 2016-08-31 | 陕西金刚石油机械有限公司 | Mono-cone bit with embedded polycrystalline composite teeth |
| CN205618085U (en) * | 2016-05-16 | 2016-10-05 | 黄河科技学院 | Anti - ream bit that circulates of gas well gas that wearability is high |
| CN206190219U (en) * | 2016-10-28 | 2017-05-24 | 洛阳金鹭硬质合金工具有限公司 | High abrasion digs tooth soon |
-
2017
- 2017-10-06 CN CN201710926239.5A patent/CN107740679B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432883A (en) * | 1981-12-09 | 1984-02-21 | Resistic Materials Inc. | Seal with teflon or rubber |
| US4429854A (en) * | 1982-11-26 | 1984-02-07 | Smith International, Inc. | Dual squeeze seal gland |
| CN201581810U (en) * | 2009-12-22 | 2010-09-15 | 天津立林石油机械有限公司 | Sealed roller cone drill bit with pressure balancing device |
| CN201924832U (en) * | 2010-12-16 | 2011-08-10 | 湖南天鹰科技集团有限公司 | Monometal sealed roller bit |
| CN203640605U (en) * | 2013-08-23 | 2014-06-11 | 陕西金刚石油机械有限公司 | Oil storage single-cone bit with O-shaped ring and metal ring two-way combined seal |
| CN205618085U (en) * | 2016-05-16 | 2016-10-05 | 黄河科技学院 | Anti - ream bit that circulates of gas well gas that wearability is high |
| CN105909178A (en) * | 2016-05-31 | 2016-08-31 | 陕西金刚石油机械有限公司 | Mono-cone bit with embedded polycrystalline composite teeth |
| CN206190219U (en) * | 2016-10-28 | 2017-05-24 | 洛阳金鹭硬质合金工具有限公司 | High abrasion digs tooth soon |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359849A (en) * | 2018-04-03 | 2019-10-22 | 西南石油大学 | Rock bit combined sealing structure |
| RU2690980C1 (en) * | 2018-08-14 | 2019-06-07 | Рустем Флитович Гаффанов | Single-roller bit |
| CN114936436A (en) * | 2022-06-07 | 2022-08-23 | 西南石油大学 | Method for establishing spiral seal wear model of roller bit under high-temperature and dynamic load working conditions |
| CN114936436B (en) * | 2022-06-07 | 2024-06-11 | 西南石油大学 | Method for establishing spiral seal abrasion model of roller bit under high-temperature and dynamic load working conditions |
| CN116104421A (en) * | 2023-04-04 | 2023-05-12 | 成都迪普金刚石钻头有限责任公司 | PDC mixed-inlaid drill bit suitable for coring of hard broken stratum |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107740679B (en) | 2019-06-18 |
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