CN220036583U - Directional drilling hydraulic hole making device - Google Patents
Directional drilling hydraulic hole making device Download PDFInfo
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- CN220036583U CN220036583U CN202320998616.7U CN202320998616U CN220036583U CN 220036583 U CN220036583 U CN 220036583U CN 202320998616 U CN202320998616 U CN 202320998616U CN 220036583 U CN220036583 U CN 220036583U
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- water
- flow reversing
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- 238000005553 drilling Methods 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 195
- 238000007789 sealing Methods 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 210000003128 head Anatomy 0.000 description 14
- 239000003245 coal Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 210000000959 ear middle Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000020610 powder formula Nutrition 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a directional drilling hydraulic hole making device which comprises a shell, a water flow reversing piece, a low-pressure water tank, a high-pressure water tank, a spring and a base, wherein the front end of the shell is connected with a drill bit, the rear end of the shell is connected with the base, a jet hole is arranged at the rear part of the shell, the low-pressure water tank is fixed at the front part of the shell, a first water through hole is formed in the low-pressure water tank along the axial direction, the aperture of the first water through hole is matched with the head of the water flow reversing piece, the high-pressure water tank is fixed at the rear part of a cavity, a second water through hole is formed in the high-pressure water tank along the axial direction, a mounting hole is formed in the side wall, a nozzle is arranged in the mounting hole and extends out of the jet hole of the shell, the head is arranged at the front end of the water flow reversing piece, a water inlet hole is formed in the axial direction of the water flow reversing piece, a water outlet groove is formed in the front part of the side wall, the middle of the water flow reversing piece is arranged between the low-pressure water tank and the high-pressure water tank through the spring, the spring is sleeved at the front part of the water flow reversing piece, one end of the water flow reversing piece is connected with the spring, and the other end of the water flow reversing piece is in a propping connection with the rear end of the low-pressure water tank. The device is combined with directional drilling, and the construction efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of hydraulic drilling, and particularly relates to a directional drilling hydraulic hole making device.
Background
At present, the gas control technology still mainly uses drilling extraction, and the difficulty and easiness of gas extraction are mainly influenced by the air permeability of a coal bed. In order to enhance the air permeability of the coal seam and improve the gas extraction efficiency, many coal mines adopt hydraulic measures such as hydraulic caving, hydraulic fracturing, hydraulic slotting and the like to release the stress of the coal seam and improve the permeability of the medium. The hydraulic hole making needs to construct the guide hole in advance, the drill rod is withdrawn from the drill rod to replace the hydraulic punching tool after penetrating through the coal seam, and the drill rod is lowered to the coal seam section again to punch the hole to make the hole, so that the process is complex, and the efficiency of punching the hole is not improved. It is therefore necessary to design a cavitation device that can achieve high and low pressure water flow switching.
The utility model provides a chinese use novel CN209195258U is from powder formula of arranging can unidirectional filtration's high-low pressure rivers automatic change water sword, including the body of rod that the outer wall has the auger and the drill bit of being connected with the body of rod, have the central passageway that the water supply flows in the body of rod, the body of rod tail end is equipped with a plurality of jet spray heads that run through the body of rod lateral wall, body of rod both ends all are provided with female joint, central passageway afterbody and female joint junction are provided with annular spacing arch, the body of rod is connected with the drill bit through the shaft-like connector that has central through-hole, connector tail end and body of rod head end threaded connection, and be provided with the check valve in the water supply flow unidirectional flow drill bit in the central through-hole of connector tail end, the connector head end is inserted through shaft-like connecting portion and is established in the drill bit, and be provided with the filter screen in the central through-hole of connector head end, the shaft-like connecting portion lateral wall is provided with the spacer pin that is used for fixing the drill bit, be provided with high-low pressure rivers switching mechanism in the central passageway that the body of rod is located between connector and the annular spacing arch. The spring type high-low pressure conversion water knife is complex in structure, complex in processing, easy to damage in the use process of the spring, difficult to operate when repairing and replacing vulnerable parts, easy to block a filter screen, and capable of enabling the water knife to work normally, meanwhile, the drill track of common drilling construction is irregular, the drill length is small, the drill straightness is poor, and the anti-reflection effect of a hydraulic measure can be affected.
Disclosure of Invention
The utility model solves the technical problems of irregular drilling track, small drilling length, poor drilling straightness, various parts for high-low pressure conversion water jet cutters and complex structure in common drilling construction in the prior art.
The utility model provides a directional drilling hydraulic hole making device which comprises a shell, a water flow reversing piece, a low-pressure water tank, a high-pressure water tank, a spring and a base, wherein the shell comprises a shell, a cavity is formed in the shell, the front end of the shell is connected with a drill bit, the rear end of the shell is connected with the base, a jet hole is formed in the rear portion of the shell, the low-pressure water tank is fixed on the front portion of the shell through a retainer ring, a first water through hole is formed in the low-pressure water tank along the axial direction, the aperture of the first water through hole is matched with the head of the water flow reversing piece, the high-pressure water tank is fixed on the rear portion of the cavity through the retainer ring, a second water through hole is formed in the high-pressure water tank along the axial direction, a mounting hole is formed in the side wall, a nozzle is arranged in the mounting hole, the nozzle extends out of the jet hole of the shell, the front end of the water flow reversing piece is provided with a water inlet hole along the axial direction, the front portion of the side wall is provided with a water outlet groove, the middle portion of the side wall is provided with a spring base, the water flow reversing piece is arranged between the low-pressure water tank and the high-pressure water tank through the spring, one end of the spring is sleeved on the front portion of the water flow reversing piece is connected with the spring base, and the other end of the spring is abutted to the rear end of the low-pressure water tank.
Furthermore, the spring is in a natural state, the head of the water flow reversing piece is not abutted with the first water through hole of the low-pressure water tank, the rear part of the spring stretches into the second water through hole of the high-pressure water tank to shield the water inlet of the nozzle, low-pressure water flows out of the water outlet groove of the water flow reversing piece, enters the drill bit through the low-pressure water tank, and is subjected to jet cooling.
Furthermore, the spring is in a compressed state, the head of the water flow reversing piece is abutted with the first water through hole of the low-pressure water tank, the rear part of the water flow reversing piece stretches out of the second water through hole of the high-pressure water tank to expose the nozzle inlet, and high-pressure water is sprayed out of the nozzle to perform jet flow cavitation.
Further, the other end of the base is connected with a hole bottom motor.
Furthermore, the rear end of the front end of the shell is provided with a connecting part, and the connecting part is a threaded interface.
Further, the diameter of the first water through hole is larger at the outside and smaller at the inside, and the head of the water flow reversing piece is conical.
Further, the side wall of the low-pressure water tank is provided with a first sealing groove, and a first sealing rubber ring is arranged in the first sealing groove.
Further, the water flow reversing piece is connected with the head and is provided with a second sealing groove, a second sealing rubber ring is arranged in the second sealing groove, the surface of the second sealing groove is provided with external threads, the inner side wall of the second sealing rubber ring is provided with internal threads, and the external threads of the second sealing groove are matched with the internal threads of the second sealing rubber ring.
Further, the inner wall of the shell is provided with a groove for installing the check ring, two ends of the check ring are provided with check ring lugs, and the middle part of each check ring lug is provided with a check ring lug hole.
Further, the outer diameter of the housing matches the outer diameter of the directional drilling tool.
The utility model has the following beneficial effects: the distance between the high-pressure water tank and the base and the moving distance between the water flow reversing piece are matched with the deformation of the spring, and the deformation is smaller than the maximum deformation. The spring is in the natural state, the head of the water flow reversing piece is not in butt joint with the low-pressure water tank, the rear part of the spring stretches into the second water through hole of the high-pressure water tank to shield the water inlet of the nozzle, low-pressure water flows out of the water flow reversing piece water outlet tank, and enters the drill bit through the low-pressure water tank to carry out jet cooling. The spring is in the compression state, and rivers reversing piece head and the first water hole butt of low pressure basin, and the rear portion stretches out high pressure basin second water hole, exposes the nozzle entry, and high pressure water is spouted from the nozzle and is made the cave with the efflux. The device has fewer parts, simple and convenient high-low pressure conversion operation, is combined with directional drilling, realizes integrated construction, and has high construction efficiency. The installation is quick and convenient, the directional drilling construction is not influenced, the directional drilling technology and the hydraulic cave making anti-reflection technology are combined, the cave making position is accurately controlled, and the extraction effect is better.
Drawings
FIG. 1 is a schematic diagram of a hydraulic hole making device for directional drilling.
FIG. 2 is a schematic diagram of the inside of the housing of the directional drilling hydraulic cavitation device of the present utility model.
Marked in the figure as: 1-shell, 2-connecting part, 3-base, 4-mounting hole, 5-low pressure basin, 6-high pressure basin, 7-nozzle, 8-rivers switching-over piece, 9-head, 10-second seal recess, 11-second sealing washer, 12-play basin, 13-spring base, 14-spring, 15-retaining ring, 16-second seal recess, 17-second sealing washer, 18-recess, 19-jet orifice.
Detailed Description
In order to clearly illustrate the technical characteristics of the present solution, the present solution is described below by means of specific embodiments and with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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, shall fall within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
As shown in figure 1, the directional drilling hydraulic hole making device comprises a shell, a water flow reversing piece 8, a low-pressure water tank 5, a high-pressure water tank 6, a spring 14 and a base 3. The shell includes casing 1, and casing 1 inside is the cavity, and casing 1 inner wall front portion and rear portion are equipped with recess 18 for installation retaining ring 15, retaining ring 15 play axial limiting action, and retaining ring 15 both ends are equipped with the retaining ring ear, and retaining ring ear middle part is equipped with the retaining ring ear hole, during the installation, use jump ring pincers, stretch into retaining ring ear hole with its claw, press from both sides tight retaining ring 15, put into recess 18 with it. The rear part of the shell 1 is also provided with a jet hole 19, the front end and the rear end of the shell 1 are provided with a connecting part 2, the connecting part 2 is a threaded interface, the front end of the shell 1 is connected with a drill bit, the rear end is connected with a base 3, the other end of the base 3 is connected with a hole bottom motor, and the outer diameter of the shell is matched with the outer diameter of the directional drilling tool.
The low-pressure water tank 5 is fixed in the front of the shell 1 through a retainer ring 15, the low-pressure water tank 5 is axially provided with a conical first water through hole, the diameter of the first water through hole is large outside and small inside, the first water through hole is matched with the head 9 of the water flow reversing piece 8, the side wall of the low-pressure water tank 5 is provided with a first sealing groove 16, and a first sealing rubber ring 17 is arranged in the first sealing groove. The high-pressure water tank 6 is fixed at the rear part of the cavity through a retainer ring 15, and the high-pressure water tank 6 is axially provided with a second water through hole, the aperture of which is larger than the outer diameter of the water flow reversing piece 8, so that the rear part of the water flow reversing piece 8 can extend into and out of the second water through hole under the action of the spring 14. The side wall of the high-pressure water tank 6 is provided with radial mounting holes 4, the nozzles 7 penetrate through the jet holes 19 of the shell and are fixed in the mounting holes 4, two nozzles 7 are arranged in the embodiment, and the two nozzles are symmetrically arranged on the side wall of the high-pressure water tank 6.
The front end of the water flow reversing piece 8 is provided with a conical head 9, a second sealing groove 10 is formed in the position, connected with the head 9, of the water flow reversing piece 8, external threads are formed in the surface of the second sealing groove 10, internal threads are formed in the inner side wall of the second sealing rubber ring 11, and the external threads of the second sealing groove 10 are matched with the internal threads of the second sealing rubber ring 11, so that friction among the two parts is increased. The water flow reversing piece 8 is provided with water inlet holes along the axial direction, the front part of the side wall is provided with water outlet grooves 12, in the embodiment, the water outlet grooves 12 are three and are uniformly arranged at the front part of the side wall. The middle part of the side wall is provided with a spring base 13, the water flow reversing piece 8 is arranged between the low-pressure water tank 5 and the high-pressure water tank 6 through a spring 14, the spring 14 is sleeved at the front part of the water flow reversing piece 8, one end of the spring 14 is connected with the spring base 13, and the other end of the spring is in butt joint with the rear end of the low-pressure water tank 5.
The distance between the high-pressure water tank 6 and the base 3 and the moving distance between the water flow reversing piece 8 are matched with the deformation of the spring 14 and are smaller than the maximum deformation. The spring 14 is in a natural state, the head 9 of the water flow reversing piece 8 is not in contact with the first water through hole of the low-pressure water tank 5, the rear part of the spring stretches into the second water through hole of the high-pressure water tank 6 to shield the water inlet of the nozzle 7, low-pressure water flows out of the water outlet tank 12 of the water flow reversing piece 8, and enters the drill bit through the low-pressure water tank 5 to carry out jet cooling. The spring 14 is in a compressed state, the head 9 of the water flow reversing piece 8 is in contact with the first water through hole of the low-pressure water tank 5, the rear part of the water flow reversing piece extends out of the second water through hole of the high-pressure water tank 6 to expose the inlet of the nozzle 7, and high-pressure water is sprayed out of the nozzle 7 to perform jet cavitation.
The working process comprises the following steps: when the device is arranged between a motor and a drill bit and no hole is made, a certain distance is reserved between the head 9 of the water flow reversing piece 8 and the low-pressure water tank 5, low-pressure water flows out from the water outlet tank 12 of the water flow reversing piece 8, enters the drill bit through the low-pressure water tank 5, the directional drilling construction is met, at the moment, the inlet of the nozzle 7 on the high-pressure water tank 6 is blocked by the outer wall of the water flow reversing piece 8, and the nozzle 7 cannot outlet water. When the hole is made, high-pressure water impacts the water flow reversing piece 8 to move, the water flow reversing piece 8 compresses the spring 14 until the head 9 of the spring is attached and sealed with the first water through hole of the low-pressure water tank 5, at the moment, the drill bit cannot discharge water, after the water flow reversing piece 8 moves, the inlet of the nozzle 7 on the high-pressure water tank 6 is exposed, high-pressure water is sprayed from the nozzle 7, and the hole making water is met. The water flow meeting the high-low pressure conversion can be realized through a slurry pump with a directional drilling device, a clean water pump station can also be used, the directional drilling track is controllable, the drilling length is long, and the anti-reflection effect with half effort is achieved by combining with hydraulic measures.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A directional drilling hydraulic hole making device is characterized by comprising a shell, a water flow reversing piece, a low-pressure water tank, a high-pressure water tank, a spring and a base,
the shell comprises a shell, a cavity is arranged in the shell, the front end of the shell is connected with a drill bit, the rear end of the shell is connected with a base, the rear part of the shell is provided with a jet hole,
the low-pressure water tank is fixed at the front part of the shell through a check ring, the low-pressure water tank is axially provided with a first water through hole, the aperture of the first water through hole is matched with the head part of the water flow reversing piece, the high-pressure water tank is fixed at the rear part of the cavity through the check ring, the high-pressure water tank is axially provided with a second water through hole, the side wall of the high-pressure water tank is provided with a mounting hole, a nozzle is arranged in the mounting hole and extends out of the jet hole of the shell,
the water flow reversing piece front end is provided with a head, the water flow reversing piece is provided with a water inlet hole along the axial direction, the front part of the side wall is provided with a water outlet groove, the middle part of the side wall is provided with a spring base, the water flow reversing piece is arranged between the low-pressure water groove and the high-pressure water groove through a spring, one end of the spring is sleeved on the front part of the water flow reversing piece, the spring base is connected with one end of the spring, and the other end of the spring is in butt joint with the rear end of the low-pressure water groove.
2. The directional drilling hydraulic hole making device according to claim 1, wherein the spring is in a natural state, the head of the water flow reversing element is not abutted with the first water through hole of the low-pressure water tank, the rear part of the water flow reversing element stretches into the second water through hole of the high-pressure water tank to shield the water inlet of the nozzle, low-pressure water flows out of the water flow reversing element from the water outlet tank, enters the drill bit through the low-pressure water tank, and is subjected to jet cooling.
3. The directional drilling hydraulic cavitation device according to claim 1, wherein the spring is in a compressed state, the head of the water flow reversing element is abutted against the first water through hole of the low-pressure water tank, the rear part of the water flow reversing element extends out of the second water through hole of the high-pressure water tank to expose the inlet of the nozzle, and the high-pressure water is sprayed out of the nozzle to perform jet cavitation.
4. The directional drilling hydraulic cavitation device of claim 1 wherein the other end of the base is connected to a downhole motor.
5. The directional drilling hydraulic cavitation device of claim 1, wherein the housing has a front end and a rear end with a connection portion, the connection portion being a threaded interface.
6. The directional drilling hydraulic cavitation device of claim 1, wherein the first water passage aperture is large at the outside and small at the inside, and the head of the water flow reversing element is conical.
7. The directional drilling hydraulic cavitation device of claim 1, wherein the low pressure water tank side wall is provided with a first sealing groove, and a first sealing rubber ring is arranged in the first sealing groove.
8. The directional drilling hydraulic cavitation device according to claim 1, wherein a second sealing groove is formed in the connecting head portion of the water flow reversing piece, a second sealing rubber ring is arranged in the second sealing groove, external threads are formed on the surface of the second sealing groove, internal threads are formed on the inner side wall of the second sealing rubber ring, and the external threads of the second sealing groove are matched with the internal threads of the second sealing rubber ring.
9. The directional drilling hydraulic cavitation device according to claim 1, wherein the inner wall of the shell is provided with a groove for installing a retainer ring, two ends of the retainer ring are provided with retainer ring lugs, and the middle part of the retainer ring lug is provided with a retainer ring lug hole.
10. The directional drilling hydraulic cavitation device of claim 1, wherein the outer diameter of the housing matches the outer diameter of a directional drilling tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320998616.7U CN220036583U (en) | 2023-04-28 | 2023-04-28 | Directional drilling hydraulic hole making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320998616.7U CN220036583U (en) | 2023-04-28 | 2023-04-28 | Directional drilling hydraulic hole making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036583U true CN220036583U (en) | 2023-11-17 |
Family
ID=88734290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320998616.7U Active CN220036583U (en) | 2023-04-28 | 2023-04-28 | Directional drilling hydraulic hole making device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036583U (en) |
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2023
- 2023-04-28 CN CN202320998616.7U patent/CN220036583U/en active Active
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