CN113006685B - Gas drilling wall building device - Google Patents
Gas drilling wall building device Download PDFInfo
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- CN113006685B CN113006685B CN202110284870.6A CN202110284870A CN113006685B CN 113006685 B CN113006685 B CN 113006685B CN 202110284870 A CN202110284870 A CN 202110284870A CN 113006685 B CN113006685 B CN 113006685B
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- Prior art keywords
- gas
- drill bit
- drill
- channel
- fusible material
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- 238000005553 drilling Methods 0.000 title claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000010248 power generation Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000008398 formation water Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 7
- 239000011435 rock Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000289 melt material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Images
Classifications
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- 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
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- 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
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- 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
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- 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
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- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0078—Nozzles used in boreholes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- 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)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a gas drilling wall building device, which comprises a compressor, a fusible material tank and a drill rod, wherein the compressor is arranged on the top of the compressor; the top of the drill rod is provided with a double-channel joint, and the bottom of the drill rod is positioned in the wellhead device; the two-channel joint is provided with a fusible material channel and a gas channel; a central pipeline is arranged in the fusible material channel; a lower joint is arranged in the gas channel, and a power generation device and a drill bit are sequentially arranged at the bottom of the drill rod; the drill bit comprises a drill bit body, a drill bit inner body is arranged in the drill bit body, a heating cavity, an inlet nozzle and an outlet nozzle are arranged in the drill bit inner body, and an annular heater is arranged in the heating cavity; in the gas drilling process, a layer of hard shell of fusible material can be formed on the well wall of the wellhead device, the hard shell of fusible material has certain strength, the purposes of preventing formation water from flowing out and keeping the well wall stable are achieved, the safety of the drilling process is improved, formation water can be plugged while drilling, the drilling is not started, the drilling is not stopped, and the well building period is shortened.
Description
Technical Field
The invention relates to the technical field of drilling devices, in particular to a gas drilling wall building device.
Background
Gas drilling is used as an underbalanced drilling mode, has the advantages of protecting a reservoir, improving the mechanical drilling speed, prolonging the service life of a drill bit, preventing the occurrence of well leakage, reducing environmental pollution and the like, and is rapidly developed in recent years.
However, there are some problems in the actual gas drilling process, which are mainly manifested by two aspects of formation water production and borehole wall instability. The water discharged from the stratum can cause the diameter shrinkage of a borehole or the collapse of a borehole wall, and meanwhile, the return rock debris on the annular space is easy to be aggregated and agglomerated when meeting water, so that the purification effect of the borehole is influenced, and accidents such as channel blockage or drill sticking are seriously caused; the instability of the well wall is mainly caused by the fact that the effective liquid column pressure of the shaft is low, the control capability of the shaft on the formation pressure is reduced, and the collapse prevention capability of the supporting well wall is poor. Therefore, formation water production and borehole wall instability are problems that are urgently needed to be solved by the development of gas drilling at present.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a gas drilling wall building device, which solves the problems of channel blockage, drill sticking and borehole wall instability caused by the fact that the rock debris on the annular space is easy to be aggregated and agglomerated when meeting water due to formation water outflow in the gas drilling construction process.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
the gas drilling wall-building device comprises a compressor, a fusible material tank connected with the air outlet end of the compressor and a drill rod in a hollow structure; the top of the drill rod is provided with a double-channel joint, and the bottom of the drill rod is positioned in the wellhead device;
a fusible material channel communicated with the fusible material tank and a gas channel communicated with the gas outlet end of the compressor are arranged on the double-channel joint; a central pipeline communicated with the interior of the fusible material channel is arranged in the fusible material channel, and the central pipeline is used for transmitting the fusible material into the drill rod; the gas channel is internally provided with a lower joint communicated with the interior of the gas channel, the lower joint is used for transmitting compressed gas, the lower joint is specifically connected with the top of the drill rod, the central pipeline is positioned in the lower joint, and an outer annular pipeline for the gas to enter the drill rod is formed between the outer wall of the central pipeline and the inner wall of the drill rod;
the bottom of the drill rod is sequentially provided with a power generation device and a drill bit from top to bottom; the power generation device comprises a turbine generator body, a turbine and a generator are sequentially arranged in the turbine generator body from top to bottom, and a hollow turbine shaft for driving the generator to rotate to generate power is arranged on the turbine;
the drill bit comprises a drill bit body, the top of the drill bit body is connected with the bottom of the turbine generator body, a drill bit inner body is arranged in the drill bit body, a plurality of drill bit gas channels are arranged between the outer wall of the drill bit inner body and the inner wall of the drill bit body, a heating cavity is arranged in the drill bit inner body, and an annular heater is arranged on the inner wall of the heating cavity and electrically connected with the generator through a cable;
the central pipeline sequentially penetrates through the drill rod, the hollow turbine shaft and the drill bit inner body to be communicated with the heating cavity; an outlet nozzle communicated with the heating cavity and the outside is arranged at the bottom of the drill bit inner body; an outer annular pipeline sequentially passes through the turbine and the plurality of drill bit gas passages to be communicated with the outside.
The working principle of the gas drilling wall-building device in the scheme is as follows: in the gas drilling construction process, gas is compressed by a compressor and then respectively enters a gas passage and a fusible material tank, when the gas passes through the fusible material tank, particles of the fusible material are carried by the gas through a central pipeline and enter a heating cavity, and the gas flows into the atmospheric environment through an outer annular pipeline and a plurality of drill bit gas passages; the gas drives the turbine to rotate, so as to drive the generator to rotate for generating power, the electric energy generated by the generator is output to the annular heater through the cable, and the annular heater is used for heating and melting the fusible material in the heating cavity and then flows out of the outlet nozzle; the fusible material sprayed out of the outlet nozzle is mixed with the gas in the drill bit gas channel and then sprayed out from the bottom of the drill bit, and a layer of fusible material crust is formed on the well wall of the wellhead device, so that the aims of preventing formation water from flowing out and keeping the well wall stable are fulfilled.
Furthermore, the gas drilling wall building device also comprises a hoisting device, the hoisting device comprises a winch and a truss erected on the wellhead device, a movable traveling block is arranged at the top of the truss, a steel wire rope on the winch is matched with a pulley block on the traveling block, and the free end of the steel wire rope is connected with the top of the double-channel joint.
Furthermore, the middle part of the truss is provided with a bearing frame, the bearing frame is provided with a turntable, and the bottom of the drill rod penetrates through the turntable and is positioned in the wellhead device.
Further, a sealing piece and a supporting bearing are arranged at the joint of the central pipeline and the fusible material channel and the joint of the lower joint and the gas channel.
Furthermore, the hollow turbine shaft penetrates through the whole turbine, a turbine shaft positioning block is arranged at the upper end and the lower end of the hollow turbine shaft respectively, the upper end and the lower end of the hollow turbine shaft are connected with the two turbine shaft positioning blocks respectively through a bearing in a rotating mode, a plurality of through holes communicated with the gas channel are formed in the two turbine shaft positioning blocks respectively, and the lower end of the hollow turbine shaft penetrates through the turbine shaft positioning blocks and the bearing to be connected with an input shaft of the generator.
Further, the number of the through holes is 6, and the 6 through holes are uniformly arranged in an annular mode along the axis of the turbine shaft positioning block.
Further, a central pipeline positioning block for fixing the central pipeline is arranged at the top of the drill bit body; an inlet nozzle communicated with the interior of the heating cavity is arranged on the top of the drill bit inner body, and the central pipeline passes through the central pipeline positioning block and is communicated with the inlet nozzle.
Further, the number of the plurality of drill bit gas channels is 3, and the 3 drill bit gas channels are uniformly distributed along the axis of the drill bit inner body in an annular mode.
Further, be provided with drill bit cutting fluted disc on the bottom of drill bit body, be provided with on the drill bit cutting fluted disc and run through the breach, outlet nozzle and 3 drill bit gas passage all with run through the breach intercommunication.
Furthermore, the gas drilling wall-building device also comprises a chip removal pipe, and the chip removal pipe is used for being communicated with the well wall of the wellhead device.
The invention has the beneficial effects that: 1. in the gas drilling construction process of the gas drilling wall building device, the fusible material sprayed out of the outlet nozzle is mixed with the gas in the gas channel of the drill bit and then sprayed out from the bottom of the drill bit, a layer of fusible material hard shell is formed on the well wall of the wellhead device, the fusible material hard shell has certain strength, the purposes of preventing formation water from flowing out and keeping the well wall stable are achieved, the safety of the drilling process is improved, the formation water can be blocked while drilling, the drilling is not started, the drilling is not stopped, and the well building period is shortened.
2. The gas drilling wall-building device utilizes gas compressed by the compressor to drive the turbine to generate electricity and heat to melt the fusible material, and the melted material after being melted is sprayed on the well wall of the wellhead device through the compressed gas.
Drawings
Fig. 1 is a schematic structural diagram of a gas drilling wall building device.
Fig. 2 is a schematic structural view of the dual channel joint.
Fig. 3 is a schematic structural view of a turbine generator body.
Fig. 4 is a schematic view of the cross-sectional structure a-a in fig. 3.
FIG. 5 is a schematic three-dimensional structure diagram of a turbine shaft positioning block.
Wherein, 1, a compressor; 2. a tank of fusible material; 3. a drill stem; 4. a dual channel joint; 5. a wellhead assembly; 6. a fusible material channel; 7. a gas channel; 8. a central pipeline; 9. a lower joint; 10. an outer annular duct; 11. a turbine generator body; 12. a turbine; 13. a generator; 14. a hollow turbine shaft; 15. a drill bit body; 16. a drill bit inner body; 17. a drill gas channel; 18. a heating cavity; 19. a ring heater; 20. a cable; 21. an outlet nozzle; 22. a winch; 23. a truss; 24. traveling block; 25. a carrier; 26. a turntable; 27. a seal member; 28. a support bearing; 29. a turbine shaft positioning block; 30. a through hole; 31. a central pipeline positioning block; 32. an inlet nozzle; 33. a drill bit cuts a fluted disc; 34. a chip removal pipe.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1 to 5, the invention provides a gas drilling wall building device, which comprises a compressor 1, a fusible material tank 2 connected with the gas outlet end of the compressor 1 and a drill rod 3 in a hollow structure; the top of the drill rod 3 is provided with a double-channel joint 4, and the bottom of the drill rod 3 is positioned in a wellhead device 5;
a fusible material channel 6 communicated with the fusible material tank 2 and a gas channel 7 communicated with the gas outlet end of the compressor 1 are arranged on the double-channel joint 4; a central pipeline 8 communicated with the interior of the fusible material channel 6 is arranged in the fusible material channel; a lower joint 9 communicated with the interior of the gas channel 7 is arranged in the gas channel 7, the lower joint 9 is connected with the top of the drill rod 3, the central pipeline 8 is positioned in the lower joint 9, and an outer annular pipeline 10 for gas to enter the drill rod 3 is formed between the outer wall of the central pipeline 8 and the inner wall of the drill rod 3;
the sealing elements 27 and the supporting bearings 28 are arranged at the joint of the central pipeline 8 and the fusible material channel 6 and the joint of the lower joint 9 and the gas channel 7, so that the sealing performance of the joint of the central pipeline 8 and the fusible material channel 6 and the joint of the lower joint 9 and the gas channel 7 can be ensured, and the condition that the gas channel 7 is blocked due to the fact that the fusible material in the fusible material channel 6 enters the gas channel 7 is avoided.
The bottom of the drill rod 3 is sequentially provided with a power generation device and a drill bit from top to bottom; the power generation device comprises a turbine generator body 11, a turbine 12 and a generator 13 are sequentially arranged in the turbine generator body 11 from top to bottom, and a hollow turbine shaft 14 used for driving the generator 13 to rotate for power generation is arranged on the turbine 12.
The hollow turbine shaft 14 penetrates through the whole turbine 12, a turbine shaft positioning block 29 is respectively arranged at the upper end and the lower end of the hollow turbine shaft 14, the upper end and the lower end of the hollow turbine shaft 14 are respectively and rotatably connected with the two turbine shaft positioning blocks 29 through a bearing, a plurality of through holes 30 communicated with the outer annular pipeline 10 are respectively arranged on the two turbine shaft positioning blocks 29, the number of the plurality of through holes 30 is 6, the 6 through holes 30 are uniformly distributed in an annular mode along the axis of the turbine shaft positioning block 29, and compressed gas can conveniently flow through the turbine 12 from the outer annular pipeline 10 through the 6 through holes 30 to drive the turbine 12 to rotate; the lower end of the hollow turbine shaft 14 passes through the turbine shaft positioning block 29 and the bearing to be connected with the input shaft of the generator 13. The centers of the two turbine shaft positioning blocks 29 are embedded with bearings to fix the hollow turbine shaft 14, so that friction during rotation of the turbine 12 is reduced, capacity loss is reduced, efficiency of converting wind energy into mechanical energy is improved, abrasion of the hollow turbine shaft 14 is reduced, and service life of the hollow turbine shaft 14 is prolonged.
The drill bit comprises a drill bit body 15 with the top connected with the bottom of the turbine generator body 11, a drill bit inner body 16 is arranged in the drill bit body 15, a plurality of drill bit gas channels 17 are arranged between the outer wall of the drill bit inner body 16 and the inner wall of the drill bit body 15, a heating cavity 18 is arranged in the drill bit inner body 16, an annular heater 19 is arranged on the inner wall of the heating cavity 18, and the annular heater 19 is electrically connected with the generator 13 through a cable 20.
The central pipeline 8 sequentially passes through the drill rod 3, the hollow turbine shaft 14 and the drill bit inner body 16 to be communicated with the heating cavity 18; the bottom of the drill bit inner body 16 is provided with an outlet nozzle 21 communicated with the heating cavity 18 and the outside; the outer annular duct 10 communicates with the outside through a turbine 12 and a plurality of drill gas passages 17 in succession.
The top of the drill bit body 15 is provided with a central pipeline positioning block 31 for fixing the central pipeline 8, so that the central pipeline 8 can be fixed during gas drilling wall building operation, and the central pipeline 8 is prevented from vibrating; an inlet nozzle 32 communicated with the interior of the heating cavity 18 is arranged on the top of the drill bit inner body 16, and the central pipeline 8 passes through the central pipeline positioning block 31 to be communicated with the inlet nozzle 32. The number of the plurality of drill bit gas passages 17 is 3, and the 3 drill bit gas passages 17 are uniformly distributed annularly along the axis of the drill bit inner body 16.
The bottom end of the drill bit body 15 is provided with a drill bit cutting fluted disc 33, the drill bit cutting fluted disc 33 is provided with a through notch, and the outlet nozzle 21 and the 3 drill bit gas channels 17 are communicated with the through notch.
The gas drilling wall building device further comprises a hoisting device and a scrap discharge pipe 34, wherein the hoisting device comprises a winch 22 and a truss 23 erected on the wellhead device 5, a movable traveling block 24 is arranged at the top of the truss 23, a steel wire rope on the winch 22 is matched with a pulley block on the traveling block 24, and the free end of the steel wire rope is connected with the top of the double-channel joint 4; a carrier 25 is arranged in the middle of the truss 23, a rotary table 26 is arranged on the carrier 25, and the bottom of the drill rod 3 is positioned in the wellhead 5 through the rotary table 26. When the gas drilling wall making device is placed in the wellhead device 5, the gas drilling wall making device can be hoisted and placed by the hoisting device, and after the gas drilling construction is completed, the hoisting device hoists the gas drilling wall making device away from the wellhead device 5, so that the construction is convenient, and the construction period can be shortened. The arrangement of the rotary table 26 can reduce the shaking of the drill rod 3 when the gas drilling wall-building device is hoisted into the wellhead device 5, thereby ensuring the verticality of the drill rod 3 entering the wellhead device 5. The debris removal pipe 34 is adapted to communicate with the wall of the well head apparatus 5.
The working process and the working principle of the gas drilling wall-building operation by adopting the device are as follows:
in the gas drilling construction process, gas is compressed by a compressor 1 and then respectively enters a gas passage 7 and a fusible material tank 2, and when the gas passes through the fusible material tank 2, the gas carries the particles of the fusible material into a fusible material passage 6; the gas respectively flows into a drill bit gas channel 17 between a drill bit body 15 and a drill bit inner body 16 after passing through the outer annular pipeline 10 and the through hole 30 on the turbine shaft positioning block 29, the gas drives the turbine 12 to rotate when passing through the through hole 30 on the turbine shaft positioning block 29, and the rotating turbine 12 drives the generator 13 to continuously generate power through the hollow turbine shaft 14 so as to continuously supply power to the annular heater 19; the easy-to-melt material enters the inlet nozzle 32 at the upper end of the drill bit inner body 16 through the central pipeline 8, enters the heating cavity 18, is heated and melted, and then flows out from the outlet nozzle 21; the fusible material sprayed out of the outlet nozzle 21 is mixed with the gas in the drill bit gas channel 17 and then sprayed out of the drill bit nozzle, a layer of hard shell of the fusible material is formed on the well wall, the purposes of preventing formation water from flowing out and keeping the well wall stable are achieved, and the rock debris generated at the bottom of the well is carried by the upward returning gas and is discharged through the debris discharge pipe 34.
Claims (10)
1. The gas drilling wall-building device is characterized by comprising a compressor (1), a fusible material tank (2) connected with the gas outlet end of the compressor (1) and a drill rod (3) in a hollow structure; the top of the drill rod (3) is provided with a double-channel joint (4), and the bottom of the drill rod (3) is positioned in a wellhead device (5);
the double-channel joint (4) is provided with a fusible material channel (6) communicated with the fusible material tank (2) and a gas channel (7) communicated with the gas outlet end of the compressor (1); a central pipeline (8) for transmitting the fusible material is arranged in the fusible material channel (6); a lower joint (9) for transmitting compressed gas is arranged in the gas channel (7);
the bottom of the drill rod (3) is provided with a power generation device and a drill bit; the drill bit comprises a drill bit body (15), a drill bit inner body (16) is arranged in the drill bit body (15), a plurality of drill bit gas channels (17) are arranged between the outer wall of the drill bit inner body (16) and the inner wall of the drill bit body (15), a heating cavity (18) is arranged in the drill bit inner body (16), an annular heater (19) is arranged on the outer wall of the heating cavity (18), and the annular heater (19) is electrically connected with a power generation device; an outer annular pipeline (10) for gas to enter the drill rod (3) is formed between the outer wall of the central pipeline (8) and the inner wall of the drill rod (3).
2. The gas drilling wall building device according to claim 1, wherein the power generation device comprises a turbine generator body (11), a turbine (12) and a generator (13) are sequentially arranged in the turbine generator body (11) from top to bottom, and a hollow turbine shaft (14) for driving the generator (13) to rotate to generate power is arranged on the turbine (12); the top of the drill bit body (15) is connected with the bottom of the turbine generator body (11).
3. A gas drilling wall building apparatus according to claim 1, further comprising a hoisting apparatus, wherein the hoisting apparatus comprises a winch (22) and a truss (23) erected on the wellhead device (5), the top of the truss (23) is provided with a movable traveling block (24), a steel cable on the winch (22) is matched with a pulley block on the traveling block (24), and the free end of the steel cable is connected with the top of the double channel joint (4).
4. A gas drilling wall building arrangement according to claim 3, characterized in that the truss (23) is provided with a carrier (25) in the middle, that the carrier (25) is provided with a rotary table (26), and that the bottom of the drill rod (3) is located in the wellhead (5) through the rotary table (26).
5. A gas drilling wall building arrangement according to claim 1, characterized in that the connection of the centre line (8) to the channel (6) of fusible material and the connection of the lower joint (9) to the gas channel (7) are provided with seals (27) and support bearings (28).
6. The gas drilling wall-building device according to claim 2, wherein the hollow turbine shaft (14) penetrates through the whole turbine (12), one turbine shaft positioning block (29) is respectively arranged at the upper end and the lower end of the hollow turbine shaft (14), the upper end and the lower end of the hollow turbine shaft (14) are respectively and rotatably connected with the two turbine shaft positioning blocks (29) through a bearing, a plurality of through holes (30) communicated with the outer annular pipeline (10) are respectively arranged on the two turbine shaft positioning blocks (29), and the lower end of the hollow turbine shaft (14) penetrates through the turbine shaft positioning blocks (29) and the bearing to be connected with an input shaft of the generator (13).
7. A gas drilling wall building device according to claim 6, wherein the number of the plurality of through holes (30) is 6, and the 6 through holes (30) are uniformly arranged annularly along the axis of the turbine shaft positioning block (29).
8. A gas drilling wall building device according to claim 1, characterized in that the top of the bit body (15) is provided with a central pipe locating block (31) for fixing the central pipe (8); an inlet nozzle (32) communicated with the interior of the heating cavity (18) is arranged on the top of the drill bit inner body (16), and a central pipeline (8) penetrates through the central pipeline positioning block (31) to be communicated with the inlet nozzle (32); the bottom of the drill bit inner body (16) is provided with an outlet nozzle (21) communicated with the heating cavity (18) and the outside.
9. A gas drilling wall building device according to claim 8, wherein the number of the plurality of bit gas channels (17) is 3, and the 3 bit gas channels (17) are evenly distributed annularly along the axis of the bit inner body (16).
10. A gas drilling wall building device according to claim 9, wherein a drill cutting fluted disc (33) is provided on the bottom end of the drill body (15), a through-going notch is provided on the drill cutting fluted disc (33), and the outlet nozzle (21) and 3 of the drill gas channels (17) are both in communication with the through-going notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110284870.6A CN113006685B (en) | 2021-03-17 | 2021-03-17 | Gas drilling wall building device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110284870.6A CN113006685B (en) | 2021-03-17 | 2021-03-17 | Gas drilling wall building device |
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| Publication Number | Publication Date |
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| CN113006685A CN113006685A (en) | 2021-06-22 |
| CN113006685B true CN113006685B (en) | 2022-07-08 |
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| CN202110284870.6A Expired - Fee Related CN113006685B (en) | 2021-03-17 | 2021-03-17 | Gas drilling wall building device |
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| CN113700433B (en) * | 2021-09-09 | 2023-05-12 | 西南石油大学 | Self-generating wind pressure electromagnetic combined impact autorotation type air hammer and use method thereof |
| CN114135248A (en) * | 2021-11-30 | 2022-03-04 | 西南石油大学 | Wall making equipment for combustion materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205677580U (en) * | 2016-06-17 | 2016-11-09 | 西南石油大学 | Process the gas drilling device of formation water output stabilizing borehole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103397846B (en) * | 2013-08-13 | 2015-09-23 | 中石化石油工程机械有限公司 | A kind of can by the drill bit of borehole wall ceramic |
| CN103410443B (en) * | 2013-08-13 | 2016-03-16 | 中石化石油工程机械有限公司 | The boring method that a kind of heat energy and mechanical energy combine and device |
| AU2014202934B2 (en) * | 2013-09-09 | 2016-03-17 | Korea Institute Of Geoscience And Mineral Resources (Kigam) | Apparatus and method for solution mining using cycling process |
| CN105675071A (en) * | 2014-11-21 | 2016-06-15 | 中石化胜利石油工程有限公司钻井工艺研究院 | Quantitative detection system for quantities of returned rock debris during while-drilling of non-invasive gas drilling |
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| CN110029933A (en) * | 2019-04-23 | 2019-07-19 | 西南石油大学 | Based on turbo-driven double speed PDC drill bit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205677580U (en) * | 2016-06-17 | 2016-11-09 | 西南石油大学 | Process the gas drilling device of formation water output stabilizing borehole |
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