CN114607306B - Underground hydraulic mechanical type drilling jar - Google Patents
Underground hydraulic mechanical type drilling jar Download PDFInfo
- Publication number
- CN114607306B CN114607306B CN202210253621.5A CN202210253621A CN114607306B CN 114607306 B CN114607306 B CN 114607306B CN 202210253621 A CN202210253621 A CN 202210253621A CN 114607306 B CN114607306 B CN 114607306B
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- Prior art keywords
- cylinder
- sliding
- fixedly connected
- spring
- downhole
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- 238000005553 drilling Methods 0.000 title claims abstract description 30
- 238000001179 sorption measurement Methods 0.000 claims abstract description 21
- 230000035939 shock Effects 0.000 claims 9
- 239000003208 petroleum Substances 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 210000000078 claw Anatomy 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/005—Fishing for or freeing objects in boreholes or wells using vibrating or oscillating means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells for anchoring the tools or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/107—Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of petroleum exploitation, in particular to an underground hydraulic mechanical type while-drilling jar, which comprises a jar body, a lower joint, a guide assembly and a locking assembly, wherein the lower joint is arranged below the jar; the locking assembly comprises an elastic cylinder, a sliding circular plate and a sliding block, wherein sliding grooves and an adsorption cavity are formed in the two opposite sides of the second cylinder, when the locking assembly is unlocked, the second cylinder is contacted with the inner side wall of an underground pipeline through a telescopic rod, the second cylinder is guaranteed to be accurately abutted to an oil drill, the oil drill pushes the sliding circular plate, the air pressure in the adsorption cavity is reduced, an adsorption force is generated to a connecting rod through an air hole, the elastic cylinder is extruded, a supporting force is generated to the connecting rod, accordingly the connecting rod is prevented from loosening, positioning and clamping are carried out through the guiding assembly and the locking assembly, dislocation or loosening of the oil drill are prevented, and current damage of the oil drill during jarring is prevented.
Description
Technical Field
The invention relates to the technical field of petroleum exploitation, in particular to an underground hydraulic mechanical type drilling jar.
Background
In the drilling process, as the drilling tool combination is longer, the underground geological condition is complex, the drilling tool is inevitably stuck in the drilling process, and the purpose of jarring and releasing the stuck can be achieved by using the jar; when the drilling jar is released, the drilling jar needs to enter the underground pipeline, is connected with a connecting rod of the petroleum drill through a lower joint of the drilling jar, compresses elastic potential energy through a locking mandrel and slips, releases pressure and releases pressure, and generates a jarring force at a dead point of a stroke.
When the existing drilling jar is connected with an oil drill, dislocation or loosening is likely to occur, and the drilling jar can impact the oil drill while releasing the jam, so that the oil drill is damaged.
Disclosure of Invention
The invention aims to provide an underground hydraulic mechanical type drilling jar, which aims to solve the technical problems that the drilling jar in the prior art is likely to be misplaced or loosened when being connected with an oil drill, and impacts the oil drilling line while releasing the jam, so that the oil drill is damaged.
In order to achieve the above purpose, the invention provides a downhole hydromechanical type impact device while drilling, comprising an impact device body, a lower joint, a guiding component and a locking component, wherein the lower joint is arranged below the impact device, the lower joint comprises a first cylinder and a second cylinder, the first cylinder is fixedly connected with the impact device body and is positioned below the impact device body, the second cylinder is fixedly connected with the first cylinder and is positioned below the first cylinder, and the guiding component consists of a plurality of telescopic rods and is uniformly arranged on the outer side wall of the first cylinder at intervals;
the locking assembly comprises an elastic cylinder, a sliding circular plate and sliding blocks, wherein sliding grooves and adsorption cavities are formed in two opposite sides of the second cylinder, each adsorption cavity is communicated with the corresponding sliding groove, the number of the sliding blocks is two, the two sliding blocks are in sliding connection with the second cylinder and located in the corresponding sliding grooves, the sliding circular plate is arranged in the second cylinder and is fixedly connected with the two sliding blocks respectively, the elastic cylinder is fixedly connected with the second cylinder and located on the inner side wall of the second cylinder and below the sliding circular plate, and a plurality of air holes are formed in two opposite sides of the elastic cylinder and are communicated with the corresponding adsorption cavities.
Through telescopic link and underground piping's inside wall contact, make the lower clutch is in pipeline central point position all the time, guarantees the accurate butt joint of second barrel and oil bores, the connecting rod of oil bores is followed the elastic tube gets into the second barrel, will adsorb the chamber and seal, through gas pocket produces the adsorption affinity to the connecting rod, the elastic tube receives the extrusion, produces holding power to the connecting rod to prevent that the connecting rod is not hard up, fixes a position and the centre gripping through guiding component and locking component, prevents that oil from boring dislocation or not hard up, prevents that oil from boring the present damage when the jarring.
The elastic cylinder comprises a conical ring and a rubber ring, wherein the conical ring is fixedly connected with the second cylinder body and is positioned at the bottom of the second cylinder body, the rubber ring is fixedly connected with the conical ring and is positioned above the conical ring and in the second cylinder body, and a plurality of air holes are distributed on two opposite sides of the rubber ring.
The radius of the pipe orifice is enlarged through the conical ring, so that a connecting rod of the petroleum drill is convenient to enter, the rubber ring has elasticity, and after the connecting rod extrudes the rubber ring, the rubber ring generates reverse supporting force on the connecting rod.
The elastic cylinder further comprises supporting tubes, the number of the supporting tubes is the same as that of the air holes, and each supporting tube is fixedly connected with the second cylinder and located on the inner side wall of the corresponding air hole.
The supporting tube limits the deformation amount of the air hole and is communicated with the adsorption cavity.
Each supporting tube comprises a limiting tube body, a first spring and a movable tube body, wherein the limiting tube body is fixedly connected with the second tube body, the outer side wall of the limiting tube body is tightly attached to the inner side wall of the air hole, the first spring is tightly attached to one end of the limiting tube body, which is close to the second tube body, and is tightly attached to the inner side wall of the limiting tube body, and the movable tube body is slidably connected with the limiting tube body, is fixedly connected with the first spring and is located on the inner side wall of the limiting tube body.
The limiting pipe body limits the deformation of the air hole, when the connecting rod enters, the movable pipe body is pushed, the movable pipe body compresses the first spring, and after the first spring is compressed, the movable pipe body is reversely supported, so that the connecting rod of the oil drill is clamped.
Each supporting tube further comprises a protruding block, the protruding blocks are fixedly connected with the movable tube body and located at one end, far away from the first spring, of the movable tube body, and the bottoms of the protruding blocks are inclined planes.
Through setting up protruding piece, the connecting rod of oil drill is in entering the in-process of rubber ring, promotes through the inclined plane protruding piece, thereby will the movable body is impressed the inside of spacing body.
The outer side wall of the first cylinder body is uniformly provided with a plurality of guide holes at intervals.
And the guide holes are used for installing the telescopic rod.
Each telescopic rod comprises a second spring and a guide rod, the second springs are arranged on the inner side walls of the guide holes, the guide rods are fixedly connected with the second springs and are slidably connected with the guide holes and located inside the guide holes.
After the jar body gets into underground pipe, the guide bar receives the extrusion, compresses the second spring, when the bore of underground pipe appears changing, the second spring tightens up or stretches out, through a plurality of around the guide bar supports, guarantees the center of lower clutch is located underground pipe's center all the time.
Each telescopic rod further comprises a sliding wheel, and the sliding wheels are arranged at one end, far away from the second spring, of the guide rod.
By arranging the sliding wheels, sliding friction is converted into rolling friction, and abrasion of the guide rod is reduced.
The sliding wheel comprises a wheel body and a rod body, wherein the rod body is in rotary connection with one end, far away from the spring, of the guide rod, the number of the wheel bodies is two, and the two wheel bodies are respectively and fixedly connected with two ends of the rod body.
Through setting up the body of rod makes every the wheel body all slides along the inside wall of underground piping.
Wherein, every the lateral wall of wheel body all is provided with wear ring.
Through setting up wear-resisting ring, reduce the wearing and tearing of wheel body improves life.
According to the underground hydraulic mechanical type drilling jar disclosed by the invention, when the jam is released, the jar body is sent to the vicinity of an oil drill through an underground pipeline, the lower joint is always in the central position of the pipeline through the contact of the telescopic rod and the inner side wall of the underground pipeline in the moving process, the second cylinder body and the oil drill are ensured to be accurately butted, the connecting rod of the oil drill enters the second cylinder body along the elastic cylinder body, the adsorption cavity is closed, the sliding circular plate is pushed, the sliding circular plate drives the sliding block to move upwards, the air pressure in the adsorption cavity is reduced, the air hole is used for generating adsorption force on the connecting rod, the elastic cylinder is extruded, and supporting force is generated on the connecting rod, so that the connecting rod is prevented from loosening, the positioning and clamping are carried out through the guide component and the locking component, the dislocation or loosening of the oil drill is prevented, and the damage caused by the oil drill during the vibration is prevented.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a downhole hydromechanical while drilling jar according to the present invention.
Fig. 2 is a cross-sectional view of a lower joint provided by the present invention.
Fig. 3 is an enlarged view of a partial structure at a of fig. 2 provided by the present invention.
Fig. 4 is a cross-sectional view of an elastic tube provided by the present invention.
Fig. 5 is a top view of a guide assembly provided by the present invention.
1-jar body, 2-lower joint, 3-direction subassembly, 4-locking subassembly, 5-first barrel, 6-second barrel, 7-elastic tube, 8-slip plectane, 9-sliding block, 10-sliding groove, 11-adsorption chamber, 12-gas pocket, 13-conical ring, 14-rubber ring, 15-stay tube, 16-spacing body, 17-first spring, 18-movable body, 19-guiding hole, 20-second spring, 21-guide bar, 22-telescopic link, 23-movable pulley, 24-wheel body, 25-body of rod, 26-wear ring, 27-gripper jaw, 28-transfer line, 29-dwang, 30-first rack, 31-gear, 32-second rack, 33-elastic pad, 34-protruding piece.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 5, the present invention provides a downhole hydromechanical while-drilling jar, comprising a jar body 1, a lower joint 2, a guiding component 3 and a locking component 4, wherein the lower joint 2 is arranged below the jar, the lower joint 2 comprises a first cylinder 5 and a second cylinder 6, the first cylinder 5 is fixedly connected with the jar body 1 and is positioned below the jar body 1, the second cylinder 6 is fixedly connected with the first cylinder 5 and is positioned below the first cylinder 5, and the guiding component 3 is composed of a plurality of telescopic rods 22 and is uniformly arranged on the outer side wall of the first cylinder 5 at intervals;
the locking assembly 4 comprises an elastic cylinder 7, a sliding circular plate 8 and sliding blocks 9, wherein sliding grooves 10 and adsorption cavities 11 are formed in two opposite sides of the second cylinder 6, each adsorption cavity 11 is communicated with the corresponding sliding groove 10, the number of the sliding blocks 9 is two, the two sliding blocks 9 are in sliding connection with the second cylinder 6 and located in the corresponding sliding grooves 10, the sliding circular plate 8 is arranged in the second cylinder 6 and is fixedly connected with the two sliding blocks 9 respectively, the elastic cylinder 7 is fixedly connected with the second cylinder 6 and is located on the inner side wall of the second cylinder 6 and below the sliding circular plate 8, and a plurality of air holes 12 are formed in two opposite sides of the elastic cylinder 7 and are communicated with the corresponding adsorption cavities 11.
In this embodiment, when unclamping is performed, will through underground pipeline the jar body 1 is sent near the oil and is bored, the in-process that removes is being passed through lower clutch 2 the telescopic link 22 is in contact with underground pipeline's inside wall for lower clutch 2 is in pipeline central point position all the time, guarantees second barrel 6 and oil are bored accurate butt joint, and the connecting rod that oil was bored is followed elasticity barrel 7 gets into second barrel 6, will adsorb chamber 11 and seal to promote sliding circular plate 8, sliding circular plate 8 drives sliding block 9 upwards moves, the internal atmospheric pressure of adsorption chamber 11 diminishes, produces the adsorption force to the connecting rod through gas pocket 12, elasticity barrel 7 receives the extrusion, produces the holding power to the connecting rod to prevent that the connecting rod from becoming flexible, fix a position and centre gripping through guide assembly 3 and locking assembly 4, prevent that oil from boring dislocation or loose, prevent that the current damage when the jar is hit.
Further, the elastic tube 7 includes a conical ring 13 and a rubber ring 14, the conical ring 13 is fixedly connected with the second tube 6 and is located at the bottom of the second tube 6, the rubber ring 14 is fixedly connected with the conical ring 13 and is located above the conical ring 13 and is located inside the second tube 6, and a plurality of air holes 12 are distributed on two opposite sides of the rubber ring 14; the elastic tube 7 further comprises supporting tubes 15, the number of the supporting tubes 15 is the same as that of the air holes 12, and each supporting tube 15 is fixedly connected with the second cylinder 6 and is respectively positioned on the inner side wall of the corresponding air hole 12; each supporting tube 15 comprises a limiting tube body 16, a first spring 17 and a movable tube body 18, wherein the limiting tube body 16 is fixedly connected with the second cylinder body 6, the outer side wall of the limiting tube body 16 is tightly attached to the inner side wall of the air hole 12, the first spring 17 is fixedly connected with one end, close to the second cylinder body 6, of the limiting tube body 16 and tightly attached to the inner side wall of the limiting tube body 16, and the movable tube body 18 is slidably connected with the limiting tube body 16, is fixedly connected with the first spring 17 and is positioned on the inner side wall of the limiting tube body 16; each support tube 15 further includes a protruding block 34, where the protruding block 34 is fixedly connected to the movable tube 18 and located at an end of the movable tube 18 away from the first spring 17, and the bottom of the protruding block 34 is an inclined plane.
In this embodiment, the radius of the pipe orifice is enlarged by the conical ring 13, so that the connecting rod of the oil drill can enter conveniently, the rubber ring 14 has elasticity, and after the connecting rod extrudes the rubber ring 14, the rubber ring 14 generates a reverse supporting force on the connecting rod; the limiting pipe body 16 limits the deformation of the air hole 12, when the connecting rod enters, the movable pipe body 18 is pushed, the movable pipe body 18 compresses the first spring 17, and after the first spring 17 is compressed, a reverse supporting force is generated on the movable pipe body 18, so that the connecting rod of the oil drill is clamped; by providing the protruding block 34, the connecting rod of the oil drill pushes the protruding block 34 through an inclined plane in the process of entering the rubber ring 14, so that the movable pipe 18 is pressed into the limiting pipe 16.
Further, a plurality of guide holes 19 are uniformly formed in the outer side wall of the first cylinder 5 at intervals; each telescopic rod 22 comprises a second spring 20 and a guide rod 21, the second springs 20 are arranged on the inner side walls of the guide holes 19, and the guide rods 21 are fixedly connected with the second springs 20, are slidably connected with the guide holes 19 and are positioned in the guide holes 19; each telescopic rod 22 further comprises a sliding wheel 23, and the sliding wheels 23 are arranged at one end of the guide rod 21 far away from the second spring 20; the sliding wheel 23 comprises a wheel body 24 and a rod body 25, the rod body 25 is rotationally connected with one end, far away from the spring, of the guide rod 21, the number of the wheel bodies 24 is two, and the two wheel bodies 24 are respectively and fixedly connected with two ends of the rod body 25; the outer side wall of each wheel body 24 is provided with a wear ring 26.
In the present embodiment, the guide hole 19 is provided for mounting the telescopic rod 22; after the jar body 1 enters the underground pipeline, the guide rod 21 is extruded to compress the second spring 20, when the caliber of the underground pipeline changes, the second spring 20 is tightened or stretched, and the center of the lower joint 2 is always located at the center of the underground pipeline through a plurality of surrounding guide rods 21 for supporting; by arranging the sliding wheels 23, sliding friction is converted into rolling friction, abrasion of the guide rods 21 is reduced, and by arranging the rod bodies 25, each wheel body 24 slides along the inner side wall of the underground pipeline; by providing the wear ring 26, wear of the wheel body 24 is reduced and service life is increased.
Further, the locking assembly 4 further includes two clamping claws 27, the number of the clamping claws 27 is two, the two clamping claws 27 are respectively arranged on two sides of the second cylinder 6, each clamping claw 27 includes a transmission rod 28 and a rotating rod 29, the rotating rods 29 are rotationally connected with the second cylinder 6 and are located at the bottom of the second cylinder 6, the transmission rods 28 are movably connected with the second cylinder 6 and are located at one side of the adsorption cavity 11, the transmission rods 28 are fixedly connected with one end of the sliding circular plate 8, and the other ends of the transmission rods 28 are hinged with one end of the rotating rods 29.
In this embodiment, after the connecting rod of the oil drill enters the second cylinder 6, the sliding circular plate 8 is pushed to move upwards, so as to drive one end of the transmission rod 28 to move upwards, the other end of the transmission rod 28 pushes the rotating rod 29 downwards, the rotating rod 29 rotates inwards, the connecting rod of the oil drill is clamped by the rotating rods 29 on two sides, the clamping stability is improved, and the loosening of the connecting rod is prevented.
Further, the transmission rod 28 includes a first rack 30, a gear 31 and a second rack 32, the gear 31 is rotationally connected with the second cylinder 6, the first rack 30 and the second rack 32 are meshed with the gear 31 and are disposed on two opposite sides of the gear 31, the first rack 30 is fixedly connected with the sliding circular plate 8, and the second rack 32 is hinged with the rotating rod 29.
In this embodiment, since the first rack 30 and the second rack 32 are disposed opposite to each other, when the first rack 30 moves upward under the drive of the sliding circular plate 8, the gear 31 rotates, so that the second rack 32 moves downward, and the rotating rod 29 deflects inward, thereby clamping the connecting rod of the oil drill.
Further, an elastic pad 33 is provided on a side of each of the rotating rods 29 close to the elastic tube 7.
In the present embodiment, by providing the elastic pad 33, the connection rod of the oil drill is prevented from being pinched, and the reverse supporting force is provided.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (10)
1. A downhole hydraulic mechanical type drilling jar is characterized in that,
the novel jar body is characterized by comprising a jar body, a lower connector, a guide assembly and a locking assembly, wherein the lower connector is arranged below the jar, the lower connector comprises a first cylinder body and a second cylinder body, the first cylinder body is fixedly connected with the jar body and is positioned below the jar body, the second cylinder body is fixedly connected with the first cylinder body and is positioned below the first cylinder body, and the guide assembly consists of a plurality of telescopic rods and is uniformly arranged on the outer side wall of the first cylinder body at intervals;
the locking assembly comprises an elastic cylinder, a sliding circular plate and sliding blocks, wherein sliding grooves and adsorption cavities are formed in two opposite sides of the second cylinder, each adsorption cavity is communicated with the corresponding sliding groove, the number of the sliding blocks is two, the two sliding blocks are in sliding connection with the second cylinder and located in the corresponding sliding grooves, the sliding circular plate is arranged in the second cylinder and is fixedly connected with the two sliding blocks respectively, the elastic cylinder is fixedly connected with the second cylinder and located on the inner side wall of the second cylinder and below the sliding circular plate, and a plurality of air holes are formed in two opposite sides of the elastic cylinder and are communicated with the corresponding adsorption cavities.
2. A downhole hydromechanical shock while drilling device according to claim 1, wherein,
the elastic cylinder comprises a conical ring and a rubber ring, wherein the conical ring is fixedly connected with the second cylinder body and is positioned at the bottom of the second cylinder body, the rubber ring is fixedly connected with the conical ring and is positioned above the conical ring and in the second cylinder body, and a plurality of air holes are distributed on two opposite sides of the rubber ring.
3. A downhole hydromechanical shock while drilling according to claim 2, wherein,
the elastic cylinder further comprises supporting pipes, the number of the supporting pipes is the same as that of the air holes, and each supporting pipe is fixedly connected with the second cylinder and is located on the inner side wall of the corresponding air hole.
4. A downhole hydromechanical shock while drilling device according to claim 3, wherein,
every the stay tube all includes spacing body, first spring and movable body, spacing body with second barrel fixed connection, spacing body the lateral wall hug closely in the inside wall of gas pocket, first spring with spacing body is close to one end fixed connection of second barrel, and hugs closely spacing body's inside wall, movable body with spacing body sliding connection, and with first spring fixed connection, and be located spacing body's inside wall.
5. A downhole hydromechanical shock while drilling device according to claim 4, wherein,
each supporting tube further comprises a protruding block, the protruding blocks are fixedly connected with the movable tube body and located at one end, far away from the first spring, of the movable tube body, and the bottoms of the protruding blocks are inclined planes.
6. A downhole hydromechanical shock while drilling device according to claim 1, wherein,
and a plurality of guide holes are uniformly formed in the outer side wall of the first cylinder at intervals.
7. A downhole hydromechanical shock while drilling device according to claim 6, wherein,
every the telescopic link all includes second spring and guide bar, the second spring set up in the inside wall of guiding hole, the guide bar with second spring fixed connection, and with guiding hole sliding connection, and be located the inside of guiding hole.
8. A downhole hydromechanical shock while drilling device according to claim 7, wherein,
each telescopic rod further comprises a sliding wheel, and the sliding wheels are arranged at one end, far away from the second spring, of the guide rod.
9. A downhole hydromechanical shock while drilling device according to claim 8, wherein,
the movable pulley comprises a pulley body and a pulley body, wherein the pulley body is in rotary connection with one end, far away from the spring, of the guide rod, the number of the pulley bodies is two, and the two pulley bodies are respectively and fixedly connected with two ends of the pulley body.
10. A downhole hydromechanical shock while drilling according to claim 9, wherein the outer side wall of each wheel body is provided with a wear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253621.5A CN114607306B (en) | 2022-03-15 | 2022-03-15 | Underground hydraulic mechanical type drilling jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253621.5A CN114607306B (en) | 2022-03-15 | 2022-03-15 | Underground hydraulic mechanical type drilling jar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114607306A CN114607306A (en) | 2022-06-10 |
| CN114607306B true CN114607306B (en) | 2024-01-23 |
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ID=81863806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210253621.5A Active CN114607306B (en) | 2022-03-15 | 2022-03-15 | Underground hydraulic mechanical type drilling jar |
Country Status (1)
| Country | Link |
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| CN (1) | CN114607306B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU608911A1 (en) * | 1975-08-27 | 1978-05-30 | Kurtov Veniamin D | Powered jars |
| CN201614895U (en) * | 2010-03-31 | 2010-10-27 | 中国石油集团川庆钻探工程有限公司 | Reverse impact pulling device for drilling tool |
| CN210422541U (en) * | 2019-09-19 | 2020-04-28 | 黑龙江北方双佳钻采机具有限责任公司 | Ground jar for relieving stuck drill accident |
| CN212454341U (en) * | 2020-04-16 | 2021-02-02 | 太原科技大学 | Fishing device of wireless while-drilling instrument in petroleum drilling |
| CN216008425U (en) * | 2021-11-17 | 2022-03-11 | 季文东 | Combined drilling column device for directional well drilling |
-
2022
- 2022-03-15 CN CN202210253621.5A patent/CN114607306B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU608911A1 (en) * | 1975-08-27 | 1978-05-30 | Kurtov Veniamin D | Powered jars |
| CN201614895U (en) * | 2010-03-31 | 2010-10-27 | 中国石油集团川庆钻探工程有限公司 | Reverse impact pulling device for drilling tool |
| CN210422541U (en) * | 2019-09-19 | 2020-04-28 | 黑龙江北方双佳钻采机具有限责任公司 | Ground jar for relieving stuck drill accident |
| CN212454341U (en) * | 2020-04-16 | 2021-02-02 | 太原科技大学 | Fishing device of wireless while-drilling instrument in petroleum drilling |
| CN216008425U (en) * | 2021-11-17 | 2022-03-11 | 季文东 | Combined drilling column device for directional well drilling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114607306A (en) | 2022-06-10 |
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