CN220748175U

CN220748175U - Petroleum drilling joint

Info

Publication number: CN220748175U
Application number: CN202322518320.3U
Authority: CN
Inventors: 陈海新; 李孝伟
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-09
Anticipated expiration: 2033-09-18

Abstract

The utility model relates to the technical field of drilling joints, in particular to an oil drilling joint, which comprises a joint body; the connector is characterized in that first sliding grooves are formed in the upper side and the lower side of the connector body, a locking mechanism is movably mounted in the first sliding grooves, a fixed block is movably inserted in the locking mechanism, the upper end of the outer wall of the fixed block is fixedly connected with a rod body, and slots for fixing the locking mechanism are formed in the periphery of the outer wall of the fixed block. According to the utility model, through the movable block and the locking mechanism, and by rotating the connecting block by means of the hexagonal wrench, the movable block is rotated to respectively fix the rod bodies at the upper side and the lower side, so that the quick alignment and the quick installation can be realized, the outer diameters of the joint body and the rod bodies are consistent, accidents caused by impact caused by the fact that the size of the joint body is not adapted are reduced, the contact surface between the joint body and the rod bodies is larger during use, and the joint body and the rod bodies cannot fall off during forward and reverse rotation compared with threaded connection.

Description

Petroleum drilling joint

Technical Field

The utility model relates to the technical field of drilling joints, in particular to an oil drilling joint.

Background

The petroleum drilling is a system engineering which uses petroleum drilling equipment to drill through multiple sets of stratum along a designed track from the ground to reach a preset target layer, forms a stable channel for oil gas extraction or injection of required fluid, namely an oil gas well, and completes coring, logging and testing work in the drilling process and after the drilling is finished, so as to obtain various information required by exploration, development and drilling. In order to safely and quickly complete the drilling task of a well, the drilling design must be carefully done before construction.

The well drilling tool is needed in the well drilling process, the sleeve joints are needed for connection between the sleeves in the petroleum well drilling process, the sleeve joints are generally larger than the diameter of the sleeves, friction is generated between the sleeve joints and the well wall in the well drilling process, so that well drilling torque and friction are increased, joint abrasion can be caused when the well drilling torque and friction are operated for a long time, unstable connection between the sleeves is easily caused once the joint abrasion is serious, the sleeve joints are easily disconnected, normal operation is influenced, and therefore the petroleum well drilling joint is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide an oil drilling joint, which aims to solve the problems that the diameter of a sleeve joint proposed in the prior art is generally larger than that of a sleeve, friction is generated between the sleeve joint and a well wall during drilling operation, so that drilling torque and friction resistance are increased, joint wear is caused during long-time working, unstable connection between sleeves is easily caused once the joint wear is serious, the connection of the sleeves is easily broken, and normal working is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an oil drilling joint comprising a joint body; the connector is characterized in that first sliding grooves are formed in the upper side and the lower side of the connector body, a locking mechanism is movably mounted in the first sliding grooves, a fixed block is movably inserted in the locking mechanism, the upper end of the outer wall of the fixed block is fixedly connected with a rod body, slots for fixing the locking mechanism are formed in the periphery of the outer wall of the fixed block, and rubber pads are fixedly connected to the bottom of the outer wall of the fixed block.

Preferably, the locking mechanism comprises a movable block, the movable block is all installed in first spout, the outer wall upper end annular array of movable block has offered four groups second spouts, four groups all activity in the second spout is provided with first slider, the outward appearance lower extreme fixedly connected with inserted block of first slider, the outer wall downside fixedly connected with first gear of movable block, the outer wall upper end meshing of first gear has the second gear, the outer wall front side fixedly connected with connecting block of second gear, hexagonal groove has been seted up to the outer wall front side of connecting block, just connect the outer wall front side of body seted up with connecting block looks adaptation groove.

Preferably, the fixed slot is formed in the middle of the outer wall of the movable block, the inner wall of the fixed slot is matched with the outer wall of the fixed block, and the fixed blocks matched with the inserting blocks are formed around the inner wall of the fixed slot.

Preferably, the outer wall of the rubber pad is provided with wavy anti-skidding lines with the depth of three millimeters, and the outer wall of the slot is matched with the inner wall of the fixed slot.

Preferably, the teeth of the first gear are arranged at the upper end of the outer wall of the first gear, and a rotary groove matched with the second gear is formed in the front side of the outer wall of the joint body.

Preferably, the appearance of fixed block and fixed slot all sets up to square, and the pipe groove that link up mutually with the body of rod inner wall is seted up to the inner wall of fixed block.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is characterized in that; through the movable block and the locking mechanism, and through rotating the connecting block by means of the hexagonal wrench, the movable block is rotated to respectively fix the rod bodies at the upper side and the lower side, and simultaneously, the fixed block and the fixed groove at the lower end of the rod body are both square, so that the rod bodies can be aligned and installed rapidly, simultaneously make the external diameter of joint body and body of rod unanimous, reduce the accident that is used for the striking that joint body size discomfort brought and takes place to the contact surface of joint body and body of rod is bigger when using, compares threaded connection and can not take place to drop when just reversing.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model 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 utility model, 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 elevational view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic view of a locking structure according to the present utility model;

fig. 4 is an enlarged partial schematic view of fig. 2 a according to the present utility model.

In the figure: 1. a joint body; 2. a first chute; 3. a movable block; 4. a second chute; 5. a first slider; 6. inserting blocks; 7. a first gear; 8. a second gear; 9. a connecting block; 10. a hexagonal groove; 11. a fixing groove; 12. a fixed block; 13. a rod body; 14. a slot; 15. and a rubber pad.

The specific embodiment is as follows:

the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: an oil drilling joint comprises a joint body 1; the upper and lower both sides in the joint body 1 have all been seted up first spout 2, and movable mounting has locking mechanism in the first spout 2, and locking mechanism is interior to be movably to be inserted and is equipped with fixed block 12, and fixed block 12's outer wall upper end fixedly connected with body of rod 13, fixed block 12's outer wall all has offered the slot 14 that supplies locking mechanism to fix all around, and fixed block 12's outer wall bottom all fixedly connected with rubber pad 15. The device is provided with locking mechanisms at the two side ends of the joint body 1 through the structure, so that the two ends of the rod body 13 can be fixed.

Further, the locking mechanism includes movable block 3, movable block 3 all installs in first spout 2, annular array has been seted up four sets of second spouts 4 on the outer wall of movable block 3, all activity is provided with first slider 5 in four sets of second spouts 4, the outward appearance lower extreme fixedly connected with inserted block 6 of first slider 5, the outer wall downside fixedly connected with first gear 7 of movable block 3, the outer wall upper end meshing of first gear 7 has second gear 8, the outer wall front side fixedly connected with connecting block 9 of second gear 8, hexagonal groove 10 has been seted up to the outer wall front side of connecting block 9, and the groove with connecting block 9 looks adaptation has been seted up to the outer wall front side of joint body 1. The structure drives the first gear 7 to rotate through the rotary connecting block 9, and the inserting block 6 fixed on the lower side of the first sliding block 5 moves forwards and is inserted into the slots 14 around the outer wall of the fixed block 12 to complete locking.

Further, a fixing groove 11 is formed in the middle of the outer wall of the movable block 3, the inner wall of the fixing groove 11 is matched with the outer wall of the fixing block 12, and fixing blocks 12 matched with the inserting blocks 6 are formed around the inner wall of the fixing groove 11. This structure enables quick installation of the fixing block 12 by the fixing groove 11 provided, and enables locking of the fixing block 12 by the fixing block 12 provided in cooperation with the locking mechanism.

Further, the outer walls of the rubber pads 15 are provided with wave-shaped anti-skidding patterns with the depth of three millimeters, and the outer walls of the slots 14 are matched with the inner walls of the fixing grooves 11. This structure is through being provided with the wave anti-skidding line of degree of depth for the rubber pad 15 takes place wearing and tearing still can seal the gap between joint body 1 and the fixed block 12.

Further, the teeth of the first gear 7 are disposed at the upper end of the outer wall of the first gear 7, and a rotating groove adapted to the second gear 8 is disposed at the front side of the outer wall of the joint body 1. This structure is through setting up the tooth in the upside of first gear 7 for can be comparatively convenient transmission when rotating second gear 8.

Further, the outer shapes of the fixing block 12 and the fixing groove 11 are square, and a pipe groove communicated with the inner wall of the rod body 13 is formed in the inner wall of the fixing block 12. This structure is through all setting up fixed block 12 and fixed slot 11 to square for can be quick place the assigned position, and enlarge area of contact when rotating, avoid damaging.

Working principle: when the novel socket joint is used, firstly, the fixed block 12 fixedly connected with the lower end of the outer wall of the rod body 13 is inserted into the fixed groove 11 at the upper end of the outer wall of the joint body 1, the end head of the fixed block is inserted into the hexagonal groove 10 by means of a hexagonal wrench, then the wrench is rotated, the connecting block 9 is driven to rotate, then the second gear 8 fixedly connected with the connecting block is driven to rotate, and the first gear 7 meshed with the lower side of the second gear 8 is driven to rotate;

the movable block 3 connected with the second gear 8 rotates immediately, and the four groups of first sliding blocks 5 arranged in the movable block 3 move to the other side along the second sliding groove 4, and the inserting block 6 fixedly connected with the lower side of the movable block is driven to move forwards during the movement and is inserted into the slots 14 formed in the periphery of the outer wall of the fixed block 12, so that locking is finished, and meanwhile, the rubber pad 15 fixedly connected with the bottom of the fixed block 12 is tightly attached to the bottom of the fixed groove 11, so that the hexagonal wrench can be taken out from the hexagonal groove 10;

the other group of rod bodies 13 are connected in the lower opening fixing groove 11 of the joint body 1, and the rod bodies can be fixed on the joint body 1 by repeating the operation;

when the fixing block is required to be disassembled, the fixing block can be assembled and disassembled by means of a hexagonal wrench, the hexagonal wrench is inserted into the hexagonal groove 10, the hexagonal groove 10 is reversely rotated, the second gear 8 and the connecting block 9 are driven to rotate, the first gear 7 meshed with the lower side of the outer wall of the second gear 8 is reversely rotated, the first sliding block 5 is enabled to move to the original position, the inserting block 6 arranged on the lower side is driven to shrink, the inserting block is completely separated from the slots 14 formed in the periphery of the outer wall of the fixing block 12, and the fixing block 12 and the rod body 13 can be taken out.

In the description of the present application, it should be understood that the terms "front," "rear," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An oil drilling joint comprising a joint body (1), characterized in that; the connector is characterized in that first sliding grooves (2) are formed in the upper side and the lower side of the connector body (1), a locking mechanism is movably mounted in the first sliding grooves (2), a fixed block (12) is movably inserted in the locking mechanism, a rod body (13) is fixedly connected to the upper end of the outer wall of the fixed block (12), slots (14) for fixing the locking mechanism are formed in the periphery of the outer wall of the fixed block (12), and rubber pads (15) are fixedly connected to the bottom of the outer wall of the fixed block (12).

2. An oil drilling joint as defined in claim 1, wherein: the locking mechanism comprises a movable block (3), the movable block (3) is all installed in a first chute (2), an annular array is arranged on the outer wall of the movable block (3) and four groups of second chutes (4) are formed, a first sliding block (5) is movably arranged in each second chute (4), an inserting block (6) is fixedly connected to the lower end of the outer surface of each first sliding block (5), a first gear (7) is fixedly connected to the lower side of the outer wall of the movable block (3), a second gear (8) is meshed with the upper end of the outer wall of each first gear (7), a connecting block (9) is fixedly connected to the front side of the outer wall of each second gear (8), a hexagonal groove (10) is formed in the front side of the outer wall of each connecting block (9), and a groove matched with the connecting block (9) is formed in the front side of the outer wall of each joint body (1).

3. An oil drilling joint as defined in claim 2, wherein: the fixed slot (11) is formed in the middle of the outer wall of the movable block (3), the inner wall of the fixed slot (11) is matched with the outer wall of the fixed block (12), and the fixed blocks (12) matched with the inserting blocks (6) are formed in the periphery of the inner wall of the fixed slot (11).

4. An oil drilling joint as defined in claim 1, wherein: the outer wall of rubber pad (15) all is provided with the wave anti-skidding line that degree of depth is three millimeters, just the outer wall of slot (14) and the inner wall looks adaptation of fixed slot (11).

5. An oil drilling joint as defined in claim 2, wherein: the teeth of the first gear (7) are arranged at the upper end of the outer wall of the first gear (7), and a rotating groove matched with the second gear (8) is formed in the front side of the outer wall of the joint body (1).

6. An oil drilling joint as defined in claim 1, wherein: the appearance of fixed block (12) and fixed slot (11) all sets up to square, and the pipe chute that link up mutually with body of rod (13) inner wall is seted up to the inner wall of fixed block (12).