CN220118103U - Guiding device for coal bed gas fracturing device - Google Patents
Guiding device for coal bed gas fracturing device Download PDFInfo
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- CN220118103U CN220118103U CN202321501058.5U CN202321501058U CN220118103U CN 220118103 U CN220118103 U CN 220118103U CN 202321501058 U CN202321501058 U CN 202321501058U CN 220118103 U CN220118103 U CN 220118103U
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- fixedly connected
- wall
- connecting cylinder
- sleeve
- fracturing
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- 239000003245 coal Substances 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 32
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 description 14
- 210000002445 nipple Anatomy 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of coalbed methane exploitation equipment and discloses a guiding device for a coalbed methane fracturing device, which comprises a sleeve, a first connecting cylinder and a second connecting cylinder, wherein the upper end of the first connecting cylinder is fixedly connected with a first upper joint, the inner wall of the sleeve is fixedly connected with a fracturing pipe, a plurality of first water permeable holes are formed in two sides of the lower part of the outer wall of the sleeve, and a plurality of second water permeable holes are formed in two sides of the lower part of the outer wall of the fracturing pipe. According to the utility model, the second water permeable holes are all in through connection with the first water permeable holes, so that high-pressure liquid in the fracturing pipe is conveniently sprayed out of the first water permeable holes, so that a seepage channel and a crack are formed in the coal seam, the first lower joint is in threaded connection with the second upper joint, a plurality of sleeves are conveniently in threaded connection, the length of the fracturing pipe is conveniently prolonged, and the fracturing operation is carried out on the coal seams with different depths.
Description
Technical Field
The utility model relates to the technical field of coalbed methane exploitation equipment, in particular to a guiding device for a coalbed methane fracturing device.
Background
Along with the continuous development of social economy and continuous progress of modern technology, the development of coal bed gas exploitation technology is also greatly improved, the coal bed gas is hydrocarbon gas which takes methane as a main component and is mainly adsorbed on the surface of coal matrix particles, partially dissociates in coal pores or dissolves in coal bed water, and is internationally recognized clean excellent energy, the coal bed gas fracturing device is characterized in that high-pressure water or other liquid is used as a medium to apply pressure in a coal-containing bed, so as to form seepage channels and cracks, thereby facilitating the release and collection of the coal bed gas, and the guiding device of the coal bed gas fracturing device is matched coal bed gas exploitation equipment which plays a role in guiding the coal bed gas fracturing device, so that the guiding device of the coal bed gas fracturing device is gradually gaining attention.
However, the guiding devices of the existing coalbed methane fracturing devices on the market are mostly inconvenient to connect with the fracturing pipes of the coalbed methane fracturing devices, and the guiding devices of the coalbed methane fracturing devices are mostly convenient for drilling the well and clearing the barriers in the well, so that the exploitation of the coalbed methane can be influenced.
Accordingly, one skilled in the art would be able to provide a guiding device for a coalbed methane fracturing device to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a guiding device for a coal bed gas fracturing device, which is used for guiding a coal bed gas fracturing device to move in drilling by matching a servo motor arranged in the center of the inner top surface of a second connecting cylinder, a rotary table provided with a first chute, the second connecting cylinder provided with a second chute, a plurality of balls, a cone drill and a PDC drill bit, so that a worker can conveniently drill the drilling and clear a blocking object in the drilling.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the guiding device for the coal seam gas fracturing device comprises a sleeve, a first connecting cylinder and a second connecting cylinder, wherein the upper end of the first connecting cylinder is fixedly connected with a first upper joint, the inner wall of the sleeve is fixedly connected with a fracturing pipe, a plurality of first water permeable holes are formed in two sides of the lower part of the outer wall of the sleeve, and a plurality of second water permeable holes are formed in two sides of the lower part of the outer wall of the fracturing pipe;
the center of the inner top surface of the second connecting cylinder is fixedly connected with a servo motor, the lower part of the inner wall of the second connecting cylinder is fixedly connected with a baffle, the output end of the servo motor penetrates through the baffle to the outside of the baffle and is fixedly connected with a rotary table, the lower end of the rotary table is fixedly connected with a cone drill, and the center of the lower surface of the cone drill is fixedly connected with a PDC drill bit;
through above-mentioned technical scheme, through a plurality of bleeder vents of seting up at telescopic outer wall, be convenient for solve the sleeve and press the produced airlock problem of fracture pipe in the well drilling, through third upper joint and second lower joint threaded connection, be convenient for second connecting tube and telescopic installation and dismantlement, promote the wholeness of this guider for coal seam pressure fracturing device.
Further, a first sliding groove is formed in the outer wall of the rotary table, a second sliding groove is formed in the lower end of the inner wall of the second connecting cylinder, and a plurality of balls are slidably connected to the inner walls of the first sliding groove and the second sliding groove;
through above-mentioned technical scheme, the servo motor of being convenient for drives the carousel and rotates, and then drives the taper drill and rotate.
Further, the outer wall of the cone drill is fixedly connected with a plurality of third spherical teeth;
through the technical scheme, the friction force of the cone drill is conveniently increased, and the guide sleeve is conveniently moved in the well drilling.
Further, the outer wall of the second connecting cylinder is fixedly connected with a plurality of second spherical teeth;
through above-mentioned technical scheme, the frictional force of second connecting cylinder of being convenient for increase is convenient for promote the velocity of movement of second connecting cylinder in the well drilling to a certain extent.
Further, a plurality of ventilation holes are formed in the outer wall of the sleeve, and a plurality of first spherical teeth are fixedly connected to the outer wall of the sleeve;
through the technical scheme, the problem of air lock generated by the sleeve pressure fracture pipe in the well drilling is solved conveniently.
Further, the lower end of the sleeve is fixedly connected with a second lower joint, the upper end of the second connecting cylinder is fixedly connected with a third upper joint, and the third upper joint is in threaded connection with the second lower joint;
through above-mentioned technical scheme, be convenient for connect sleeve and second connecting cylinder into whole.
Further, the second water permeable holes are all in through connection with the first water permeable holes;
through the technical scheme, high-pressure liquid in the fracturing pipe is conveniently sprayed out, so that a seepage channel and a crack are formed in the coal bed.
Further, the lower end of the first connecting cylinder is fixedly connected with a first lower joint, the upper end of the sleeve is fixedly connected with a second upper joint, and the first lower joint is in threaded connection with the second upper joint;
through the technical scheme, the multiple sleeves are connected conveniently through threads, the length of the fracturing pipe is further prolonged conveniently, and fracturing operations are carried out on coal beds with different depths.
The utility model has the following beneficial effects:
1. compared with the existing guiding device of the coal bed gas fracturing device in the market, the guiding device for the coal bed gas fracturing device provided by the utility model has the advantages that the problem of air lock generated by the sleeve in the fracturing pipe in the well drilling is solved conveniently through the plurality of air holes formed in the outer wall of the sleeve, the second connecting barrel is connected with the second lower connector in a threaded manner through the third upper connector, the second connecting barrel is convenient to mount and dismount with the sleeve, and the integrity of the guiding device for the coal bed gas fracturing device is improved.
2. Compared with the guiding device of the existing coalbed methane fracturing device on the market, the guiding device for the coalbed methane fracturing device provided by the utility model has the advantages that the servo motor arranged at the center of the inner top surface of the second connecting cylinder, the rotary table provided with the first sliding groove, the second connecting cylinder provided with the second sliding groove, the plurality of balls, the cone-shaped drill and the PDC drill bit are matched for use, so that a worker can conveniently drill a well and clear a blocking object in the well, and the coalbed methane fracturing device is guided to move in the well.
3. Compared with the existing guiding device of the coal bed gas fracturing device in the market, the guiding device for the coal bed gas fracturing device provided by the utility model has the advantages that the second permeable holes are in through connection with the first permeable holes, so that high-pressure liquid in the fracturing pipe is conveniently sprayed out of the first permeable holes, a seepage channel and a crack are formed in the coal bed, the first lower joint is in threaded connection with the second upper joint, the plurality of sleeves are conveniently in threaded connection, the length of the fracturing pipe is further conveniently prolonged, and fracturing operations are carried out on the coal beds with different depths.
Drawings
FIG. 1 is an isometric view of a guiding device for a coal seam fracturing device according to the present utility model;
FIG. 2 is an exploded view of a guiding device for a coal seam fracturing device according to the present utility model;
FIG. 3 is a front cross-sectional view of a sleeve of a guiding device for a coal seam fracturing device according to the present utility model;
FIG. 4 is a front cross-sectional view of a second connecting barrel of a guiding device for a coal seam fracturing device according to the present utility model;
fig. 5 is an enlarged view of a guide device for a coal seam fracturing device according to the present utility model at a position a in fig. 4.
Legend description:
1. a sleeve; 2. a first connecting cylinder; 3. a second connecting cylinder; 4. a cone drill; 5. a first upper joint; 6. a first lower joint; 7. a second upper joint; 8. a second lower joint; 9. a first button; 10. ventilation holes; 11. a first water permeable hole; 12. a second water permeable hole; 13. a fracturing pipe; 14. a third upper joint; 15. a servo motor; 16. a partition plate; 17. a turntable; 18. a first chute; 19. a ball; 20. a second chute; 21. a second button; 22. a third button; 23. PDC drill bit.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, one embodiment provided by the present utility model is: the guiding device for the coal seam gas fracturing device comprises a sleeve 1, a first connecting cylinder 2 and a second connecting cylinder 3, wherein the upper end of the first connecting cylinder 2 is fixedly connected with a first upper joint 5, the inner wall of the sleeve 1 is fixedly connected with a fracturing pipe 13, a plurality of first water permeable holes 11 are formed in two sides of the lower part of the outer wall of the sleeve 1, and a plurality of second water permeable holes 12 are formed in two sides of the lower part of the outer wall of the fracturing pipe 13;
the center department fixedly connected with servo motor 15 of the inside top surface of second connecting cylinder 3, the lower part fixedly connected with baffle 16 of second connecting cylinder 3 inner wall, servo motor 15's output runs through baffle 16 to the outside of baffle 16 and fixedly connected with carousel 17, the lower extreme fixedly connected with taper drill 4 of carousel 17, the center department fixedly connected with PDC drill bit 23 of taper drill 4 lower surface.
Through the servo motor 15 that sets up in the center department of the inside top surface of second connecting cylinder 3, set up the carousel 17 of first spout 18, set up the cooperation of second connecting cylinder 3, a plurality of balls 19, cone drill 4 and PDC drill bit 23 of second spout 20 and use, the staff of being convenient for is bored the well drilling and is cleared up the barrier in the well drilling, guides the coal seam gas fracturing unit and removes in the well drilling.
The outer wall of carousel 17 has seted up first spout 18, second spout 20 has been seted up to the lower extreme of second connecting cylinder 3 inner wall, a plurality of balls 19 of equal sliding connection of inner wall of first spout 18 and second spout 20, be convenient for servo motor 15 drives carousel 17 and rotates, and then drive the awl type and bore 4 and rotate, the outer wall fixedly connected with of awl type bore 4 a plurality of third button 22, be convenient for increase awl type bore 4 frictional force, be convenient for guide sleeve 1 moves in the well drilling, a plurality of second button 21 of outer wall fixedly connected with of second connecting cylinder 3, be convenient for increase the frictional force of second connecting cylinder 3, a plurality of bleeder vents 10 have been seted up to the outer wall of sleeve 1, a plurality of first button 9 of outer wall fixedly connected with of sleeve 1, be convenient for solve sleeve 1 and bore 13 produced gas lock problem in the well, sleeve 1's lower extreme fixedly connected with second lower joint 8, second connecting cylinder 3's upper end fixedly connected with third upper joint 14, third upper joint 14 and second lower joint 8 are convenient for move in the well drilling, second upper joint 1 and second joint 3 are connected with the second nipple 3, the high-pressure crack is connected with the second nipple 3, the equal screwed joint is connected with the second nipple 3, the length of 3 is connected with the second nipple 3, the high-pressure joint is connected with the second nipple 3, the first joint is connected with the second nipple 3, the 3 is convenient for the perforation hole is connected with the second nipple 3, the high-pressure joint is connected with the second joint, the seam is connected with the second joint is connected with the 3, the seam through the 3, the seam is connected with the first through hole, the hole is connected with the second through hole.
Working principle: when the guiding device for the coalbed methane fracturing device is used, the second connecting cylinder 3, the second connecting cylinder 2 and the sleeve 1 are placed into a well, the servo motor 15 arranged at the center of the inner top surface of the second connecting cylinder 3, the rotary table 17 provided with the first sliding groove 18, the second connecting cylinder 3 provided with the second sliding groove 20, the plurality of balls 19, the cone drill 4 and the PDC drill bit 23 are matched for use, workers can conveniently drill the well and clear barriers in the well, the coalbed methane fracturing device is guided to move in the well, the sleeves 1 are conveniently connected through the first lower joint 6 and the second upper joint 7 in a threaded manner, the lengths of the fracturing pipes 3 are conveniently prolonged, the coalbed with different depths are subjected to fracturing operation, and finally, high-pressure liquid in the fracturing pipes 3 is sprayed out of the first water permeable holes 11 after reaching the designated depth, so that a seepage channel and cracks are formed, and the coalbed methane fracturing operation is completed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a guider for coal seam atmospheric pressure fracturing device, includes sleeve (1), first connecting cylinder (2) and second connecting cylinder (3), its characterized in that: the upper end of the first connecting cylinder (2) is fixedly connected with a first upper joint (5), the inner wall of the sleeve (1) is fixedly connected with a fracturing pipe (13), a plurality of first water permeable holes (11) are formed in two sides of the lower part of the outer wall of the sleeve (1), and a plurality of second water permeable holes (12) are formed in two sides of the lower part of the outer wall of the fracturing pipe (13);
the center department fixedly connected with servo motor (15) of the inside top surface of second connecting cylinder (3), the lower part fixedly connected with baffle (16) of second connecting cylinder (3) inner wall, the output of servo motor (15) runs through the outside of baffle (16) to baffle (16) and fixedly connected with carousel (17), the lower extreme fixedly connected with awl type of carousel (17) bores (4), the center department fixedly connected with PDC drill bit (23) of awl type bores (4) lower surface.
2. A guiding device for a coal seam fracturing device according to claim 1, wherein: the outer wall of carousel (17) has seted up first spout (18), second spout (20) have been seted up to the lower extreme of second connecting cylinder (3) inner wall, the inner wall of first spout (18) and second spout (20) all sliding connection has a plurality of balls (19).
3. A guiding device for a coal seam fracturing device according to claim 1, wherein: the outer wall of the cone drill (4) is fixedly connected with a plurality of third spherical teeth (22).
4. A guiding device for a coal seam fracturing device according to claim 1, wherein: the outer wall of the second connecting cylinder (3) is fixedly connected with a plurality of second spherical teeth (21).
5. A guiding device for a coal seam fracturing device according to claim 1, wherein: a plurality of ventilation holes (10) are formed in the outer wall of the sleeve (1), and a plurality of first spherical teeth (9) are fixedly connected to the outer wall of the sleeve (1).
6. A guiding device for a coal seam fracturing device according to claim 1, wherein: the lower end of the sleeve (1) is fixedly connected with a second lower joint (8), the upper end of the second connecting cylinder (3) is fixedly connected with a third upper joint (14), and the third upper joint (14) is in threaded connection with the second lower joint (8).
7. A guiding device for a coal seam fracturing device according to claim 1, wherein: the second water permeable holes (12) are all in through connection with the first water permeable holes (11).
8. A guiding device for a coal seam fracturing device according to claim 1, wherein: the lower end of the first connecting cylinder (2) is fixedly connected with a first lower joint (6), the upper end of the sleeve (1) is fixedly connected with a second upper joint (7), and the first lower joint (6) is in threaded connection with the second upper joint (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501058.5U CN220118103U (en) | 2023-06-13 | 2023-06-13 | Guiding device for coal bed gas fracturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501058.5U CN220118103U (en) | 2023-06-13 | 2023-06-13 | Guiding device for coal bed gas fracturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118103U true CN220118103U (en) | 2023-12-01 |
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ID=88889691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321501058.5U Active CN220118103U (en) | 2023-06-13 | 2023-06-13 | Guiding device for coal bed gas fracturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118103U (en) |
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2023
- 2023-06-13 CN CN202321501058.5U patent/CN220118103U/en active Active
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