CN117759159B - Complicated roof major diameter drilling fracturing gas drainage device - Google Patents
Complicated roof major diameter drilling fracturing gas drainage device Download PDFInfo
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- CN117759159B CN117759159B CN202410021271.9A CN202410021271A CN117759159B CN 117759159 B CN117759159 B CN 117759159B CN 202410021271 A CN202410021271 A CN 202410021271A CN 117759159 B CN117759159 B CN 117759159B
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- directional drilling
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- 238000005553 drilling Methods 0.000 title claims abstract description 47
- 239000002893 slag Substances 0.000 claims abstract description 31
- 238000007599 discharging Methods 0.000 claims abstract description 26
- 238000000605 extraction Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000004636 vulcanized rubber Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a large-diameter drilling fracturing gas extraction device for a complex top plate, which relates to the technical field of high-position directional drilling equipment for gas extraction, and comprises a directional drilling machine; the water feeder is connected to one end of the directional drilling machine; the slag discharging assembly is fixed at the other end of the directional drilling machine by a drill rod; one end of the support component is fixed at one end of the slag discharging component far away from the directional drilling machine; the screw motor is fixed at the other end of the supporting component, and the output end of the screw motor is fixed with a first-stage reaming bit; the secondary reaming bit is fixed on the outer wall of the screw motor; and the guide is fixed on the primary reamer head.
Description
Technical Field
The invention relates to the technical field of high-position directional drilling equipment for gas extraction, in particular to a large-diameter drilling fracturing gas extraction device for a complex top plate.
Background
Aiming at the problems of complex stratum condition of a new source mine, large conventional drilling workload, insufficient single-hole depth, difficult hole forming, low gas extraction concentration and the like. The existing drilling equipment is simple in function, only can realize drilling and can not be reamed, so that the existing operation process is to draw out a drill rod after drilling, and replace a reaming bit to ream, so that overall efficiency is low.
Aiming at the problems, the invention provides a large-diameter drilling fracturing gas extraction device with a complex top plate, which aims to solve the problems.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: a complicated roof major diameter drilling fracturing gas drainage device includes:
a directional drilling machine;
the water feeder is connected to one end of the directional drilling machine;
the slag discharging assembly is fixed at the other end of the directional drilling machine by a drill rod;
one end of the support component is fixed at one end of the slag discharging component far away from the directional drilling machine;
The screw motor is fixed at the other end of the supporting component, and the output end of the screw motor is fixed with a first-stage reaming bit;
the secondary reaming bit is fixed on the outer wall of the screw motor;
and the guide is fixed on the primary reamer head.
Further, preferably, the end of the primary reamer bit and the end of the secondary reamer bit, which are close to the guide, are provided with inclined guide surfaces, and the diameter of the primary reamer bit is smaller than that of the secondary reamer bit.
Further, preferably, the support assembly includes:
A connecting rod;
The sliding ring is arranged on the connecting rod in a sliding manner;
the rubber cylinder is fixed on the outer wall of the sliding ring, and one end of the rubber cylinder, which is close to the slag discharging assembly, is fixed with a high-pressure pipeline and a plurality of steel ropes;
The packers are fixed at two ends of the rubber cylinder;
The expansion pipes are configured to be a plurality of, wherein the expansion pipes close to the screw motor are sleeved on the outer wall of the rubber cylinder, and the rest expansion pipes are connected by adopting connecting pieces.
Further, preferably, vulcanized rubber is fixed at both ends of the expansion pipe, and the expansion pipe close to the slag discharging assembly is limited by a supporting ring, the supporting ring is fixed on the connecting rod, and the connecting piece is made of a breakable material.
Further, preferably, the slag discharging assembly includes:
the driving rod is internally provided with an adjusting bin;
The pressurizing pipe is fixed in the driving rod, extends into the adjusting bin and is connected with external pressurizing equipment;
The sliding disc is slidably and rotatably arranged in the adjusting bin;
The rotating disc is rotatably arranged at one end of the adjusting bin, which is far away from the pressurizing pipe, and a spring is connected between the rotating disc and the sliding disc;
The driving column is fixed in the driving rod;
the adjusting column is fixed on the sliding disc and can slide and rotate in the driving column;
and the adjusting assembly is fixed at one end of the driving rod.
Further, preferably, a boss is fixed on an inner wall of the driving column, an adjusting ring is obliquely arranged on an outer wall of the adjusting column, the boss is located in the adjusting ring, and one end of the adjusting column located in the adjusting component is triangular.
Further, preferably, the adjusting assembly includes:
The connecting cylinder is fixed on the driving rod;
the avoidance cylinder is fixed in the connecting cylinder, a plurality of avoidance grooves are obliquely formed in the avoidance cylinder, and the plurality of avoidance grooves are arranged in a spiral manner;
The wire passing cylinder is fixed inside the avoidance cylinder;
the sliding tables are arranged in a plurality, are arranged in the middle of the avoidance groove in a sliding manner, and are provided with reset springs with the connecting cylinders;
the conveying plate is arranged in the avoidance groove in a sliding manner, and the middle position of the conveying plate is fixed with the sliding table;
the round platforms are configured into a plurality of round platforms and are fixed on the outer wall of the conveying plate at equal intervals.
Compared with the prior art, the invention provides a complex top plate large-diameter drilling fracturing gas extraction device, which has the following beneficial effects:
According to the invention, the screw motor and the directional drilling machine are used for jointly driving the primary reaming bit to ream under the driving of double rotary power, meanwhile, the secondary reaming bit is driven by the rotary power of the directional drilling machine to ream under the secondary reaming, so that the number of times of drilling is greatly reduced, when a complex hole Duan Ruanruo stratum is encountered, an expansion pipe can be expanded through the reciprocating expansion of a rubber cylinder, so that the collapse-prone position is expanded and supported, the number of times of drilling is further reduced, the problem of broken pumping caused by stratum collapse is avoided, in the reaming and drilling process, the conveying plate of the slag discharging assembly can be used for carrying out auxiliary discharging on rock slag, and part of rock slag can be driven to move together through the round table during discharging, so that the rock slag is adhered on the inner wall of a drill hole through extrusion, the strength of the inner wall of the drill hole is enhanced, the inner wall of the drill hole is continuously and smoothly trimmed, the steps of the inner wall of the drill hole are reduced, and the friction resistance and the pressure-bearing phenomenon are effectively reduced.
Drawings
FIG. 1 is an overall schematic diagram of a complex roof large diameter borehole fracturing gas extraction apparatus;
FIG. 2 is a schematic diagram of a support assembly of a complex roof large diameter borehole fracturing gas extraction apparatus;
FIG. 3 is a schematic diagram of a slag removal assembly of a complex roof large diameter borehole fracturing gas extraction apparatus;
FIG. 4 is a schematic diagram of an adjustment assembly of a complex roof large diameter borehole fracturing gas extraction apparatus;
In the figure: 1. a directional drilling machine; 2. a water feeder; 3. a slag discharging component; 4. a support assembly; 5. a screw motor; 6. a secondary reamer bit; 7. a first stage reaming bit; 8. a guide; 9. a drill rod; 41. a connecting rod; 42. a packer; 43. an expansion tube; 44. vulcanizing rubber; 45. a rubber cylinder; 46. a slip ring; 47. a high pressure line; 48. a steel rope; 49. a support ring; 31. a driving rod; 32. a pressurizing tube; 33. adjusting the bin; 34. a sliding plate; 35. a rotating disc; 36. a drive column; 37. an adjusting column; 38. an adjusting ring; 39. an adjustment assembly; 391. a connecting cylinder; 392. a avoidance cylinder; 393. a clearance groove; 394. a wire passing cylinder; 395. a sliding table; 396. a return spring; 397. a conveying plate; 398. and (5) round tables.
Detailed Description
Referring to fig. 1 to 4, the present invention provides a technical solution: a complicated roof major diameter drilling fracturing gas drainage device includes:
A directional drilling machine 1;
a water feeder 2 connected to one end of the directional drilling machine 1;
The slag discharging assembly 3 is fixed at the other end of the directional drilling machine 1 by a drill rod 9;
One end of the supporting component 4 is fixed at one end of the slag discharging component 3, which is far away from the directional drilling machine 1;
The screw motor 5 is fixed at the other end of the supporting component 4, and the output end of the screw motor is fixed with a primary reaming bit 7;
a secondary reamer bit 6 fixed to the outer wall of the screw motor 5;
a guide 8 fixed to the primary reamer bit 7.
In this embodiment, the ends of the primary reamer bit 7 and the secondary reamer bit 6 near the guide 8 are provided with inclined guide surfaces, and the diameter of the primary reamer bit 7 is smaller than that of the secondary reamer bit 6.
That is, the primary reamer bit 7 is driven by the screw motor 5 and the directional drilling machine 1 together to perform secondary reaming under the driving of double rotary power, and meanwhile, the secondary reamer bit 6 performs secondary reaming under the driving of the rotary power of the directional drilling machine 1, so that the number of times of drilling is greatly reduced, the rotation angle speed of the primary reamer bit 7 is twice that of the secondary reamer bit 6, and the cutting strength of the primary reamer bit 7 is greatly improved.
In this embodiment, the support assembly 4 includes:
A connecting rod 41;
a sliding ring 46 slidably provided on the connecting rod 41;
the rubber cylinder 45 is fixed on the outer wall of the sliding ring 46, and one end of the rubber cylinder, which is close to the slag discharging assembly 3, is fixed with a high-pressure pipeline 47 and a plurality of steel ropes 48;
A packer 42 fixed at both ends of the packing element 45;
the expansion pipes 43 are configured as a plurality of expansion pipes 43, wherein the expansion pipes 43 close to the screw motor 5 are sleeved on the outer wall of the rubber cylinder 45, and the rest expansion pipes 43 are connected by adopting connecting pieces.
In a preferred embodiment, vulcanized rubber 44 is fixed at both ends of the expansion pipe 43, and the expansion pipe 43 near the slag discharging assembly 3 is limited by a supporting ring 49, the supporting ring 49 is fixed on the connecting rod 41, and the connecting piece is made of a breakable material.
It should be noted that when encountering the stratum with the complex hole Duan Ruanruo, the expansion tube 43 is expanded by the reciprocating expansion of the rubber tube 45, so that the collapse-prone position is expanded and supported, then the rubber tube 45 slides by the steel rope 48, so that the rubber tube 45 is positioned in the expansion tube 43 for the second time, the next supporting is convenient to be performed, the expansion tube 43 can be axially limited by the connecting pieces among the expansion tubes 43, the expansion tube 43 is prevented from being driven when the rubber tube 45 moves, and the connecting pieces are broken along with the expansion of the expansion tubes 43 when the adjacent expansion tubes 43 expand.
In this embodiment, the slag discharging assembly 3 includes:
a driving rod 31, the inside of which is provided with an adjusting bin 33;
A pressurizing pipe 32 fixed in the driving rod 31, extending into the adjusting bin 33, and connected with an external pressurizing device;
A sliding disk 34 slidably and rotatably disposed in the adjustment chamber 33;
a rotating disc 35 rotatably provided at one end of the adjustment chamber 33 away from the pressurizing pipe 32, and connected with a spring with the sliding disc 34;
A driving post 36 fixed in the driving rod 31;
An adjusting column 37 fixed to the slide plate 34 and slidable and rotatable within the driving column 36;
an adjusting unit 39 is fixed to one end of the driving rod 31.
It should be noted that, the slag discharging assembly 3 is located at the rear of the supporting assembly 4 to move, so as to avoid collapse caused by stirring the slag discharging assembly 3 when encountering the bottom layer easy to collapse.
As a preferred embodiment, a boss is fixed on the inner wall of the driving column 36, an adjusting ring 38 is obliquely arranged on the outer wall of the adjusting column 37, the boss is located in the adjusting ring 38, and one end of the adjusting column 37 located in the adjusting assembly 39 is triangular.
It should be noted that the adjusting column 37 can slide by sliding the sliding disk 34, and at this time, the boss is located in the adjusting ring 38, so as to limit the boss, and the adjusting column 37 slides while changing the relative position of the boss in the adjusting ring 38, so that the adjusting column 37 rotates.
As a preferred embodiment, the adjustment assembly 39 comprises:
A connecting cylinder 391 fixed to the driving rod 31;
the avoidance cylinder 392 is fixed in the connection cylinder 391, and a plurality of avoidance grooves 393 are obliquely arranged on the avoidance cylinder 392, and the plurality of avoidance grooves 393 are arranged in a spiral manner;
a wire passing cylinder 394 fixed inside the avoidance cylinder 392;
a plurality of slide tables 395, each slidably disposed at a middle position of the avoidance groove 393, and having a return spring 396 provided between the slide tables 391 and the connection cylinder 391;
A conveying plate 397 slidably disposed in the avoidance slot 393 and fixed to the slide table 395 at a middle position;
The circular table 398 is configured in a plurality and is fixed on the outer wall of the conveying plate 397 at equal intervals.
That is, the extension length of the conveying plate 397 can be adjusted by adjusting the rotation of the column 37, so that the extrusion force on the inner wall of the drill hole is changed, the rock slag can be adhered to the inner wall of the drill hole while conveying the rock slag, the strength of the inner wall of the drill hole is enhanced, and the inner wall of the drill hole is continuously trimmed, so that the inner wall of the drill hole is more regular and smooth.
Specifically, first, the pilot hole is drilled at the position to be drilled, afterwards, the device is put into the pilot hole, at this moment, the guide 8 guides the device, afterwards, the first-stage reaming bit 7 is driven by the screw motor 5 and the directional drilling machine 1 together, the next reaming is driven by the double-rotation power, simultaneously, the second-stage reaming bit 6 is driven by the rotation power of the directional drilling machine 1 for secondary reaming, the number of times of drilling is greatly reduced, and when encountering the stratum with a complex hole Duan Ruanruo, the expansion pipe 43 can be expanded when the glue cylinder 45 is expanded, so that the expansion support is carried out on the position easy to collapse, the number of times of drilling is further reduced, meanwhile, the problem of broken pumping caused by stratum collapse is avoided, and in the reaming process, the conveying plate 397 of the slag discharging assembly 3 can assist in discharging the rock slag, and can drive partial rock slag to move together through the round table 398 in the discharging process, thereby enabling the rock slag to adhere to the round inner wall through extrusion, the strength of the inner wall of the drilling is enhanced, the inner wall of the drilling is continuously trimmed, the inner wall steps of the drilling is reduced, the occurrence of friction and the phenomenon is effectively reduced.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. A complicated roof major diameter drilling fracturing gas drainage device, its characterized in that: comprising the following steps:
A directional drilling machine (1);
A water feeder (2) connected to one end of the directional drilling machine (1);
the slag discharging component (3) is fixed at the other end of the directional drilling machine (1) by a drill rod (9);
One end of the supporting component (4) is fixed at one end of the slag discharging component (3) far away from the directional drilling machine (1);
The screw motor (5) is fixed at the other end of the supporting component (4), and the output end of the screw motor is fixed with a primary reaming bit (7);
a secondary reamer bit (6) fixed on the outer wall of the screw motor (5);
A guide (8) fixed to the primary reamer bit (7);
The support assembly (4) comprises:
A connecting rod (41);
A sliding ring (46) slidably disposed on the connecting rod (41);
the rubber cylinder (45) is fixed on the outer wall of the sliding ring (46), and one end of the rubber cylinder, which is close to the slag discharging assembly (3), is fixed with a high-pressure pipeline (47) and a plurality of steel ropes (48);
the packers (42) are fixed at two ends of the rubber cylinder (45);
the expansion pipes (43) are configured to be a plurality of expansion pipes (43), wherein the expansion pipes (43) close to the screw motor (5) are sleeved on the outer wall of the rubber cylinder (45), and the rest expansion pipes (43) are connected by adopting connecting pieces;
The slag discharging component (3) comprises:
A driving rod (31) with an adjusting bin (33) inside;
a pressurizing pipe (32) fixed in the driving rod (31) and extending into the adjusting bin (33) and connected with external pressurizing equipment;
A sliding disk (34) slidably and rotatably disposed in the adjustment chamber (33);
a rotating disc (35) rotatably arranged at one end of the adjusting bin (33) away from the pressurizing pipe (32), and a spring is connected between the rotating disc and the sliding disc (34);
a drive post (36) fixed within the drive rod (31);
An adjusting column (37) fixed to the slide plate (34) and slidable and rotatable within the driving column (36);
and the adjusting assembly (39) is fixed at one end of the driving rod (31).
2. The complex roof large diameter borehole fracturing gas extraction device of claim 1, wherein: the one end that one-level reamer bit (7) and second grade reamer bit (6) are close to director (8) has all seted up the slope guide surface, just the diameter of one-level reamer bit (7) is less than the diameter of second grade reamer bit (6).
3. The complex roof large diameter borehole fracturing gas extraction device of claim 1, wherein: by a means of
Vulcanized rubber (44) is fixed at both ends of the expansion pipe (43), the expansion pipe (43) close to the slag discharging assembly (3) is limited by adopting a supporting ring (49), the supporting ring (49) is fixed on the connecting rod (41), and the connecting piece is made of a breakable material.
4. The complex roof large diameter borehole fracturing gas extraction device of claim 1, wherein: the inner wall of the driving column (36) is fixedly provided with a boss, the outer wall of the adjusting column (37) is obliquely provided with an adjusting ring (38), the boss is positioned in the adjusting ring (38), and one end of the adjusting column (37) positioned in the adjusting component (39) is triangular.
5. The complex roof large diameter borehole fracturing gas extraction device of claim 1, wherein: the adjustment assembly (39) comprises:
A connecting cylinder (391) fixed to the drive rod (31);
The avoidance cylinder (392) is fixed in the connecting cylinder (391), a plurality of avoidance grooves (393) are obliquely formed in the avoidance cylinder, and the plurality of avoidance grooves (393) are arranged in a spiral manner;
a wire passing cylinder (394) fixed inside the avoidance cylinder (392);
a plurality of sliding tables (395) which are arranged at the middle position of the avoidance groove (393) in a sliding way, and a return spring (396) is arranged between the sliding tables and the connecting cylinder (391);
a conveying plate (397) slidably disposed in the avoidance groove (393) and fixed to the slide table (395) at an intermediate position;
and the circular tables (398) are arranged in a plurality and are fixed on the outer wall of the conveying plate (397) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410021271.9A CN117759159B (en) | 2024-01-05 | 2024-01-05 | Complicated roof major diameter drilling fracturing gas drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410021271.9A CN117759159B (en) | 2024-01-05 | 2024-01-05 | Complicated roof major diameter drilling fracturing gas drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117759159A CN117759159A (en) | 2024-03-26 |
| CN117759159B true CN117759159B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410021271.9A Active CN117759159B (en) | 2024-01-05 | 2024-01-05 | Complicated roof major diameter drilling fracturing gas drainage device |
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| Country | Link |
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| CN (1) | CN117759159B (en) |
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