CN224149526U - Hydraulic pulse screw drill - Google Patents
Hydraulic pulse screw drillInfo
- Publication number
- CN224149526U CN224149526U CN202521081953.5U CN202521081953U CN224149526U CN 224149526 U CN224149526 U CN 224149526U CN 202521081953 U CN202521081953 U CN 202521081953U CN 224149526 U CN224149526 U CN 224149526U
- Authority
- CN
- China
- Prior art keywords
- wall
- sleeve
- block
- fixedly connected
- universal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a hydraulic pulse screw drilling tool, which belongs to the technical field of pulse drilling tools and comprises a sleeve, a pulse mechanism and a drilling tool structure, wherein the pulse mechanism and the drilling tool structure are arranged in the sleeve, and a sealing sleeve, a limiting ring and a bearing are arranged on the inner wall of the sleeve. According to the utility model, the arrangement of the plurality of flow channels improves the whole overflow area of drilling fluid, when the fluid enters the flow channels from the pressure relief grooves, resistance is generated due to the change of the direction and the change of the sectional area of the flow channels, so that the integral kinetic energy of the drilling fluid is reduced, the flowing pressure of the drilling fluid is reduced, meanwhile, the total inner wall area of the plurality of flow channels is larger than that of a single pressure relief groove, the friction loss is increased when the drilling fluid flows through the pressure relief grooves, the energy is further consumed, the drilling fluid pressure at the outlet of the flow channels is reduced, and the damage to the outer well wall caused by the overlarge pressure when the high-pressure drilling fluid is directly sprayed outwards through a single hole is avoided, so that the strength of the well wall is ensured, and collapse of the well wall is avoided.
Description
Technical Field
The utility model relates to the technical field of screw drilling tools, in particular to a hydraulic pulse screw drilling tool.
Background
The hydraulic pulse screw drilling tool is one kind of downhole power tool for oil and gas drilling, and has pulse generator to generate periodical hydraulic pulse based on the fluid mechanics principle to improve drilling performance, the conventional screw drilling tool mainly comprises a stator and a rotor (formed by hydraulic pressure pushes the rotor to rotate when high-pressure drilling fluid flows through a spiral channel between the stator and the rotor, and torque is transmitted to a drill bit through a transmission shaft to drive the drill bit to break rock.
In the prior art, a common hydraulic pulse screw drilling tool is used for realizing the pulse rock breaking of a drill bit by intermittently injecting high-pressure drilling fluid to a well wall, however, the injection hole of the common drilling fluid is a single hole, and the well wall is easily worn by excessive liquid pressure at an outlet when the drilling fluid is injected, so that the strength of the well wall is affected, and the well wall is collapsed seriously. How to invent a hydraulic pulse screw drilling tool to solve the problems becomes a urgent problem to be solved by the person skilled in the art.
Disclosure of utility model
In order to make up for the defects, the utility model provides a hydraulic pulse screw drill, and aims to solve the problems that the well wall is easily worn due to overlarge liquid pressure at the outlet of a spray hole of common drilling fluid and collapse of the well wall is caused.
The utility model is realized in the following way:
The utility model provides a hydraulic pulse screw drilling tool, which comprises a sleeve, a pulse mechanism and a drilling tool structure, wherein the pulse mechanism and the drilling tool structure are arranged in the sleeve, the inner wall of the sleeve is provided with a sealing sleeve, a limiting ring and a bearing, the inner wall of one end of the sleeve is provided with a mounting groove, the inner wall of the mounting groove is provided with a spring, the inner wall of one end of the sleeve, which is close to the mounting groove, is provided with four axisymmetric limiting grooves, and the inner wall of one side of the sleeve is provided with a plurality of pressure relief grooves;
The pulse mechanism comprises a stator, a rotor, a connecting rod and a flow guide pipe, wherein the outer wall of the stator is fixedly connected with the inner wall of one end of a sleeve, the rotor is installed in the stator, a first universal block is arranged at one end of the rotor, a plurality of first flow guide grooves are formed in the first universal block, universal balls are arranged at two ends of the connecting rod, a second universal block is arranged at one end, far away from the first universal block, of the connecting rod, a plurality of second flow guide grooves are formed in the second universal block, the flow guide pipe is arranged at one end of the second universal block, a plurality of water inlet holes are formed in the side wall of the flow guide pipe, a lantern ring is arranged on the outer wall of one side, close to the water inlet holes, of the side wall, far away from the water inlet holes, of the flow guide pipe, and a water outlet hole is formed in the outer wall of one side, far away from the water inlet holes;
The drilling tool structure comprises a piston block, a sliding rod and a drill rod, wherein the outer wall of the piston block is in piston connection with the inner wall of the sleeve, one end of the sliding rod is provided with a fixed block, one end of the fixed block is fixedly connected with one end of the drill rod, and one end of the drill rod is provided with a drill bit.
Preferably, the sealing sleeve, the limiting ring and the outer wall of the bearing are fixedly connected with the inner wall of the sleeve, the inner wall of the pressure relief groove is fixedly connected with a guide block, and the guide block is conical.
Preferably, the outer wall of rotor and the inner wall of stator rotate to be connected, the one end of rotor and the one end fixed connection of first universal block, the both ends of connecting rod and the lateral wall fixed connection of universal ball, both ends the outer wall of universal ball respectively with the inner wall swing joint of first universal block and second universal block, the one end of honeycomb duct and the one end fixed connection of second universal block.
Preferably, the inner wall of the lantern ring is fixedly connected with the outer wall of the flow guide pipe, the inner diameter of the water outlet hole is the same as the inner diameter of the pressure relief groove, the outer wall of the flow guide pipe is fixedly connected with the inner wall of the bearing, and the inner wall of the pressure relief groove is provided with a plurality of flow passages which are axially symmetrically arranged.
Preferably, the outer wall of slide bar and the inner wall sliding connection of spacing ring, the one end lateral wall butt of fixed block and spring, the one end that the spring is close to the fixed block and one side inner wall butt of mounting groove, the other end of spring and the other end fixed connection of mounting groove, the lateral wall fixedly connected with and spacing groove inner wall sliding connection's stopper of drilling rod.
Preferably, a plurality of air bag rings are arranged on the inner wall of the runner, and the outer side wall of the air bag rings is fixedly connected with the inner wall of the runner.
By adopting the technical proposal, the utility model has the advantages that,
The beneficial effects of the utility model are as follows:
The arrangement of the plurality of flow channels improves the whole overflow area of drilling fluid, when fluid enters the flow channel from the pressure relief groove, resistance is generated due to the change of the direction and the change of the sectional area of the flow channel, so that the integral kinetic energy of the drilling fluid is reduced, the flowing pressure of the drilling fluid is reduced, meanwhile, the total inner wall area of the plurality of flow channels is larger than that of a single pressure relief groove, the friction loss is increased when the drilling fluid flows, the energy is further consumed, the drilling fluid pressure at the outlet of the flow channel is reduced, the damage to the outer well wall caused by the overlarge pressure when the high-pressure drilling fluid is directly sprayed outwards through a single hole is avoided, the strength of the well wall is further ensured, the collapse of the well wall is avoided, the setting of the air bag ring at the inner wall of the flow channel is compressed when the drilling fluid contacts the air bag ring in the process of the flow channel, the drilling fluid is forced to slow down and expand the space of the flow channel, the kinetic energy of the drilling fluid is converted into the elastic potential energy of the air bag ring, the flow rate of the drilling fluid is reduced, the pressure of the flow channel is further reduced, the pressure at the outlet of the flow channel is further avoided, and the pressure of the well wall is further avoided, the pressure is ensured, and the well wall is not damaged in the process is further avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a hydraulic pulse screw drilling tool according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a hydraulic pulse screw drilling tool according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of the structure of the area A in FIG. 2 of the hydraulic pulse screw drilling tool according to the embodiment of the present utility model;
FIG. 4 is an enlarged view of the structure of the hydraulic pulse screw drill in the area B in FIG. 2 according to the embodiment of the present utility model;
FIG. 5 is a semi-sectional view of a hydraulic pulse screw drilling tool according to an embodiment of the present utility model;
FIG. 6 is an enlarged view of the structure of the hydraulic pulse screw drill in the region C in FIG. 5 according to the embodiment of the present utility model;
fig. 7 is an enlarged view of the structure of the region D in fig. 5 of the hydraulic pulse screw drilling tool according to the embodiment of the present utility model.
1, A sleeve, 11, a sealing sleeve, 12, a limiting ring, 13, a mounting groove, 14, a spring, 15, a limiting groove, 16, a bearing, 17, a pressure relief groove, 171, a guide block, 172, a runner, 18, an air bag ring, 2, a stator, 3, a rotor, 31, a first universal block, 32, a first guide groove, 4, a connecting rod, 41, a universal ball, 5, a second universal block, 51, a second guide groove, 6, a guide pipe, 61, a water inlet hole, 62, a lantern ring, 63, a water outlet hole, 7, a piston block, 71, a slide bar, 72, a fixed block, 8, a drill rod, 81, a limiting block, 82 and a drill bit.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
1-7, The hydraulic pulse screw drilling tool comprises a sleeve 1, a pulse mechanism and a drilling tool structure, wherein the pulse mechanism and the drilling tool structure are arranged in the sleeve 1, a sealing sleeve 11, a limiting ring 12 and a bearing 16 are arranged on the inner wall of the sleeve 1, an installation groove 13 is formed in the inner side wall of one end of the sleeve 1, a spring 14 is arranged on the inner wall of the installation groove 13, four axisymmetric limiting grooves 15 are formed in the inner side wall of one end, close to the installation groove 13, of the sleeve 1, and a plurality of pressure relief grooves 17 are formed in the inner wall of one side of the sleeve 1;
The pulse mechanism comprises a stator 2, a rotor 3, a connecting rod 4 and a flow guide pipe 6, wherein the outer wall of the stator 2 is fixedly connected with the inner wall of one end of a sleeve 1, the rotor 3 is installed in the stator 2, a first universal block 31 is arranged at one end of the rotor 3, a plurality of first flow guide grooves 32 are formed in the first universal block 31, universal balls 41 are arranged at two ends of the connecting rod 4, a second universal block 5 is arranged at one end, far away from the first universal block 31, of the connecting rod 4, a plurality of second flow guide grooves 51 are formed in the second universal block 5, the flow guide pipe 6 is arranged at one end of the second universal block 5, a plurality of water inlet holes 61 are formed in the side wall of the flow guide pipe 6, a lantern ring 62 is arranged on the outer wall, close to the water inlet holes 61, of one side, of the flow guide pipe 6, far away from the water inlet holes 61, of the outer wall of the flow guide pipe 63;
The drilling tool structure comprises a piston block 7, a slide rod 71 and a drill rod 8, wherein the outer wall of the piston block 7 is in piston connection with the inner wall of the sleeve 1, one end of the slide rod 71 is provided with a fixed block 72, one end of the fixed block 72 is fixedly connected with one end of the drill rod 8, and one end of the drill rod 8 is provided with a drill bit 82.
Further, the sealing sleeve 11, the limiting ring 12 and the outer wall of the bearing 16 are fixedly connected with the inner wall of the sleeve 1, the inner wall of the pressure relief groove 17 is fixedly connected with a guide block 171, the guide block 171 is conical, the outer wall of the rotor 3 is rotationally connected with the inner wall of the stator 2, one end of the rotor 3 is fixedly connected with one end of the first universal block 31, two ends of the connecting rod 4 are fixedly connected with the side wall of the universal ball 41, the outer walls of the universal balls 41 at two ends are respectively movably connected with the inner walls of the first universal block 31 and the second universal block 5, one end of the guide pipe 6 is fixedly connected with one end of the second universal block 5, the inner wall of the sleeve ring 62 is fixedly connected with the outer wall of the guide pipe 6, the inner diameter of the water outlet hole 63 is the same as the inner diameter of the pressure relief groove 17, the outer wall of the guide pipe 6 is fixedly connected with the inner wall of the bearing 16, a plurality of flow passages 172 which are axially symmetrically arranged are formed in the inner side wall of the pressure relief groove 17, the outer wall of the slide rod 71 is slidably connected with the inner wall of the limiting ring 12, one end of the fixing block 72 is abutted against one end of the spring 14, one end of the spring 14 is abutted against one side inner wall of the mounting groove 13, the other end of the spring 14 is abutted against one side of the mounting groove 13, the other end of the spring 14 is fixedly connected with the side wall of the limiting block 15, and the inner wall of the limiting block 81 is fixedly connected with the inner wall of the limiting block 81.
It should be noted that: the two ends of the connecting rod 4 are connected through the universal ball 41 to limit the axial displacement of the rotor 3, during operation, high-pressure drilling fluid enters the stator 2 through one end of the sleeve 1, the drilling fluid flows through a gap between the stator 2 and the rotor 3, the rotor 3 is continuously rotated centrifugally in the flowing process, one end of the drilling fluid drives the connecting rod 4 to rotate under the action of the first universal block 31 and the universal ball 41 at one end of the connecting rod 4, the universal ball 41 at the other end of the connecting rod 4 is matched with the second universal block 5 to enable the flow guide 6 to rotate, during the process, the drilling fluid sequentially passes through the inside of the stator 2, the first flow guide groove 32 on the first universal block 31 and the second flow guide groove 51 on the second universal block 5 to enter a gap between the sleeve 1 and the flow guide 6, then the drilling fluid enters the inside of the flow guide 6 through the water inlet 61 and is abutted against one end side wall of the piston block 7 through the sealing sleeve 11, part of drilling fluid flows out through the water outlet hole 63 on the side wall of the other end of the diversion pipe 6, the diversion pipe 6 continuously rotates in the process, when the water outlet hole 63 is not aligned with the pressure relief groove 17, the drilling fluid cannot flow out of the sleeve 1, so that the pressure between the sealing sleeve 11 and the piston block 7 is increased, the piston block 7 is forced to drive the sliding rod 71 on one side and the fixed block 72 to extrude the spring 14 to slide, the drill bit 82 on one end of the drill rod 8 is driven to extend outwards, when the water outlet hole 63 is aligned with the pressure relief groove 17, the drilling fluid in the sleeve 1 is sprayed out of the sleeve 1 through the plurality of flow passages 172 formed on the side wall of the pressure relief groove 17, the pressure in the sleeve 1 is reduced at the moment, the spring 14 is restored to drive the drill rod 8 and the drill bit 82 on one end to retract, the reciprocating extension of the drill bit 82 is realized in the process, the pulse action of the drill bit 82 is realized;
When drilling fluid enters the pressure relief groove 17, the conical guide blocks 171 can effectively guide the flowing direction of the drilling fluid, so that the high-pressure drilling fluid is prevented from impacting the inner wall of the pressure relief groove 17 to wear for a long time, meanwhile, the plurality of flow channels 172 formed in the inner wall of the pressure relief groove 17 are matched, the drilling fluid is quickly sprayed out to the wall of the outer side of the casing 1 through the plurality of flow channels 172 after being guided by the guide blocks 171, the whole overflow area of the drilling fluid is improved through the arrangement of the plurality of flow channels 172, when the fluid enters the flow channels 172 from the pressure relief groove 17, resistance is generated due to the change of the direction and the change of the sectional area of the flow channels 172, the integral kinetic energy of the drilling fluid is reduced, the flowing pressure of the drilling fluid is reduced, meanwhile, the total inner wall area of the plurality of flow channels 172 is larger than that of the single pressure relief groove 17, the friction loss is increased during drilling fluid flowing, energy is further consumed, the drilling fluid pressure at the outlet of the flow channels 172 is reduced, the drilling fluid is prevented from directly spraying out through a single hole, the pressure is excessively damaging the wall of the outer side wall of the casing 1, and the well is prevented from collapsing.
Further, a plurality of balloon rings 18 are mounted on the inner wall of the flow passage 172, and the outer side wall of the balloon ring 18 is fixedly connected with the inner wall of the flow passage 172.
It should be noted that, during the process of the drilling fluid passing through the flow passage 172, the high-pressure drilling fluid is compressed when contacting the air sac ring 18, the drilling fluid is forced to slow down and expand the space of the flow passage 172, the kinetic energy of the drilling fluid is converted into the elastic potential energy of the air sac ring 18, so that the flow velocity of the drilling fluid is reduced, thereby further reducing the pressure at the outlet of the flow passage 172, further avoiding the well wall from being damaged and ensuring the strength of the well wall.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The hydraulic pulse screw drilling tool comprises a sleeve (1) and a pulse mechanism and a drilling tool structure which are arranged in the sleeve (1), and is characterized in that a sealing sleeve (11), a limiting ring (12) and a bearing (16) are arranged on the inner wall of the sleeve (1), an installation groove (13) is formed in the inner wall of one end of the sleeve (1), a spring (14) is arranged on the inner wall of the installation groove (13), four axisymmetric limiting grooves (15) are formed in the inner wall of one end, close to the installation groove (13), of the sleeve (1), and a plurality of pressure relief grooves (17) are formed in the inner wall of one side of the sleeve (1);
The pulse mechanism comprises a stator (2), a rotor (3), a connecting rod (4) and a flow guide pipe (6), wherein the outer wall of the stator (2) is fixedly connected with the inner wall of one end of a sleeve (1), the rotor (3) is installed in the stator (2), one end of the rotor (3) is provided with a first universal block (31), a plurality of first flow guide grooves (32) are formed in the first universal block (31), universal balls (41) are arranged at two ends of the connecting rod (4), a second universal block (5) is arranged at one end, far away from the first universal block (31), of the connecting rod (4), a plurality of second flow guide grooves (51) are formed in the second universal block (5), the flow guide pipe (6) is arranged at one end of the second universal block (5), a plurality of water inlet holes (61) are formed in the side wall of the flow guide pipe (6), a lantern ring (62) is arranged on the outer wall, close to one side of the water inlet holes (61), of the flow guide pipe (6), and a water outlet hole (63) is formed in the outer wall, far away from the water inlet holes (61).
The drilling tool structure comprises a piston block (7), a sliding rod (71) and a drill rod (8), wherein the outer wall of the piston block (7) is in piston connection with the inner wall of the sleeve (1), one end of the sliding rod (71) is provided with a fixed block (72), one end of the fixed block (72) is fixedly connected with one end of the drill rod (8), and one end of the drill rod (8) is provided with a drill bit (82).
2. The hydraulic pulse screw drilling tool according to claim 1, wherein the outer walls of the sealing sleeve (11), the limiting ring (12) and the bearing (16) are fixedly connected with the inner wall of the sleeve (1), the inner wall of the pressure relief groove (17) is fixedly connected with a guide block (171), and the guide block (171) is conical.
3. The hydraulic pulse screw drilling tool according to claim 2, wherein the outer wall of the rotor (3) is rotationally connected with the inner wall of the stator (2), one end of the rotor (3) is fixedly connected with one end of the first universal block (31), two ends of the connecting rod (4) are fixedly connected with the side wall of the universal ball (41), the outer wall of the universal ball (41) at two ends is movably connected with the inner walls of the first universal block (31) and the second universal block (5) respectively, and one end of the flow guiding pipe (6) is fixedly connected with one end of the second universal block (5).
4. The hydraulic pulse screw drilling tool according to claim 3, wherein the inner wall of the collar (62) is fixedly connected with the outer wall of the guide pipe (6), the inner diameter of the water outlet hole (63) is the same as the inner diameter of the pressure relief groove (17), the outer wall of the guide pipe (6) is fixedly connected with the inner wall of the bearing (16), and a plurality of axisymmetrically arranged runners (172) are formed in the inner wall of the pressure relief groove (17).
5. The hydraulic pulse screw drilling tool according to claim 4, wherein the outer wall of the sliding rod (71) is slidably connected with the inner wall of the limiting ring (12), one end of the fixed block (72) is abutted against one end side wall of the spring (14), one end of the spring (14) close to the fixed block (72) is abutted against one side inner wall of the mounting groove (13), the other end of the spring (14) is fixedly connected with the other end of the mounting groove (13), and the side wall of the drill rod (8) is fixedly connected with a limiting block (81) slidably connected with the inner wall of the limiting groove (15).
6. The hydraulic progressive cavity drilling tool of claim 5, wherein a plurality of balloon rings (18) are mounted on an inner wall of the flow passage (172), and an outer sidewall of the balloon rings (18) is fixedly connected to an inner wall of the flow passage (172).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521081953.5U CN224149526U (en) | 2025-05-29 | 2025-05-29 | Hydraulic pulse screw drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202521081953.5U CN224149526U (en) | 2025-05-29 | 2025-05-29 | Hydraulic pulse screw drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN224149526U true CN224149526U (en) | 2026-04-21 |
Family
ID=99475470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202521081953.5U Active CN224149526U (en) | 2025-05-29 | 2025-05-29 | Hydraulic pulse screw drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN224149526U (en) |
-
2025
- 2025-05-29 CN CN202521081953.5U patent/CN224149526U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103291214B (en) | Be applicable to the reciprocating hydraulic impacter of hard formation drilling well | |
| CA2816465C (en) | Method and system for improving drilling speed by using drill string vibration | |
| CN107165577B (en) | Screw underbalance pulse hydroscillator | |
| CN112922531B (en) | Anti-backflow directional drill bit with back flushing function and construction method thereof | |
| CN205840769U (en) | A kind of underground hydraulic rotary impact device | |
| CN212079204U (en) | A high-power drilling torque impact speed-up tool | |
| AU2020104043A4 (en) | Turbine-type axial impactor 2 | |
| CN106593296B (en) | Downhole double-acting speed booster | |
| CN108086899B (en) | Pneumatic torsional pendulum impact rock breaking drilling tool | |
| CN113389490B (en) | Drilling tool anti-sticking protection device | |
| CN110725646B (en) | A jet type three-dimensional composite impactor | |
| CN224149526U (en) | Hydraulic pulse screw drill | |
| CN207048675U (en) | A kind of hydraulical impact device for power drilling tool | |
| CN211647992U (en) | Screw drill with prevent drill bit water hole jam | |
| CN206174917U (en) | Along with boring leaking stoppage tool | |
| CN110159187B (en) | A high-pressure down-the-hole impactor | |
| CN205422537U (en) | Two effect water conservancy vibration drag reduction drilling tools of turbine powered | |
| CN204941394U (en) | A kind of with brill power cutting bed cleanout tool | |
| CN206592072U (en) | A kind of efficient three-dimensional impact drilling speed device | |
| CN111305748A (en) | Circumferential impact drilling speed-up tool | |
| CN110029934A (en) | Double speed PDC drill bit based on screw drive | |
| CN116607884B (en) | Multiple starts of the hydraulic reamer | |
| CN215830423U (en) | Combined impact tool | |
| CN118029883A (en) | Telescopic reaming while drilling tool | |
| CN109025804B (en) | Turbine type axial impactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |