CN216590417U

CN216590417U - Multifunctional well control pressure test joint for downhole operation

Info

Publication number: CN216590417U
Application number: CN202122709621.5U
Authority: CN
Inventors: 赵军; 刘辉军; 陶亚楠; 赵海青; 赵海湖
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-05-24
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a multifunctional well control pressure test joint for downhole operation, which comprises a pressure test pipe, a lower joint and a fixed joint, wherein the fixed joint is provided with a positioning port, the lower joint is slidably inserted into the positioning port, the fixed joint and the lower joint are provided with uniformly distributed spigots, the diameters of the spigots are gradually increased from top to bottom, the end part of each spigot, which is far away from the lower joint, is provided with a limiting groove, and a fixing mechanism for fixing the lower joint and the fixed joint is slidably arranged in each spigot.

Description

Multifunctional well control pressure test joint for downhole operation

Technical Field

The utility model belongs to the technical field of well control pressure test devices for well drilling, and particularly relates to a multifunctional well control pressure test joint for downhole operation.

Background

At present, in the drilling process, before the second and third times of drilling, and after the ram blowout preventer or the fully-closed ram core or the kelly bar cock is replaced in the drilling process, pressure test inspection for closing the ram and closing the fully-closed ram is carried out on a well control device.

The current borehole operation in the market is with multi-functional well accuse pressure testing connects and generally carries out threaded connection through the bolt when butt joint, all twists the screw thread mouth with a plurality of bolts through artifical spanner during connection and fixes, and inconvenient installation and dismantlement waste time and energy reduce work efficiency, and the practicality is not strong, needs to improve to this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional well control pressure test joint for downhole operation, which is put into use and solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multi-functional well control pressure testing connects for borehole operation, includes pressure testing pipe, lower clutch and fixed joint, the locating hole has been seted up on the fixed joint, the lower clutch slides and inserts and establish in the locating hole, set up evenly distributed's socket on fixed joint and the lower clutch, socket top-down diameter increases gradually, the socket is kept away from the lower clutch tip and is provided with the spacing groove, it is provided with the fixed establishment who is used for fixed lower clutch and fixed joint to slide in the socket.

Preferably, the fixing mechanism comprises an installation opening uniformly distributed on the lower joint, a connecting block slidably inserted in the installation opening, a connecting bolt fixedly installed on one side of the connecting block, an inserted rod fixedly inserted in the connecting block and the connecting bolt and uniformly distributed, a limiting block fixedly installed on the end portion of the inserted rod and uniformly distributed, a nut rotatably connected to the connecting bolt, a rotating handle fixedly installed on the nut sleeve and a supporting rod arranged in the inserted rod.

Preferably, the size of one end of the propping rod far away from the nut is larger than that of the other end.

Preferably, the abutting rod is close to the end part of the nut and is in threaded connection with the nut.

Preferably, the size of the socket is matched with that of the inserted link after the socket is opened, and the size of the limiting groove is matched with that of the limiting block after the limiting groove is opened.

Preferably, at least four groups of sockets are arranged on the fixed joint and the lower joint.

The utility model has the technical effects and advantages that: this multi-functional well accuse pressure testing connects for borehole operation, when needs are installed the pressure testing pipe fixedly, insert the lower clutch on the pressure testing pipe in the locating hole on the fixed joint, aim at the socket on the fixed joint with the socket on the lower clutch, insert stopper and inserted bar in the socket back connecting block again and support the installing port, it drives the nut and rotates on the connecting bolt to rotate the handle, the nut rotates the support rod downstream that drives threaded connection, because support rod top-down diameter increases gradually, the extrusion inserted bar makes the inserted bar take place deformation to support the socket lateral wall during downstream, the inserted bar takes place deformation to drive the stopper and opens and support the spacing groove, realize the fixing to lower clutch and pressure testing pipe, be favorable to realizing simple and easy installation and the dismantlement to the pressure testing joint, trouble-saving and labor-saving, and work efficiency is improved, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic view of the structure at A;

FIG. 3 is a perspective view of the securing mechanism of the present invention;

fig. 4 is a schematic front sectional view of the fixing mechanism of the present invention.

In the figure:

1. a pressure testing tube; 2. a lower joint; 3. fixing the joint; 4. positioning the opening; 5. a socket; 6. A limiting groove;

7. a fixing mechanism; 71. an installation port; 72. connecting blocks; 73. a connecting bolt; 74. inserting a rod; 75. a limiting block; 76. a nut; 77. a handle; 78. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a multifunctional well control pressure test joint for downhole operation, which comprises a pressure test pipe (1), a lower joint (2) and a fixed joint (3), wherein a positioning opening (4) is formed in the fixed joint (3), the lower joint (2) is inserted into the positioning opening (4) in a sliding manner, uniformly distributed inserting ports (5) are formed in the fixed joint (3) and the lower joint (2), the diameter of each inserting port (5) is gradually increased from top to bottom, a limiting groove (6) is formed in the end part, far away from the lower joint (2), of each inserting port (5), and a fixing mechanism (7) for fixing the lower joint (2) and the fixed joint (3) is arranged in each inserting port (5) in a sliding manner.

When need press pipe (1) to fix the pressure testing, press lower clutch (2) on the pipe (1) to insert location mouth (4) on fixed joint (3) with the pressure testing, aim at socket (5) on fixed joint (3) socket (5) on lower clutch (2), insert fixing mechanism (7) in socket (5) and rotate, make fixing mechanism (7) laminating socket (5) inner wall and insert spacing groove (6), press pipe (1) to lower clutch (2) and pressure testing and fix, during the dismantlement, reverse rotation fixing mechanism (7), make fixing mechanism (7) keep away from socket (5) inner wall and break away from spacing groove (6), be favorable to realizing simple and easy installation and the dismantlement to the pressure testing joint, trouble and labor saving, and high work efficiency, and high practicability.

The fixing mechanism (7) comprises mounting openings (71) uniformly distributed on the lower connector (2), a connecting block (72) slidably inserted in the mounting openings (71), a connecting bolt (73) fixedly installed on one side of the connecting block (72), uniformly distributed insertion rods (74) fixedly inserted in the connecting block (72) and the connecting bolt (73), uniformly distributed limiting blocks (75) fixedly installed at the end part of the insertion rod (74), nuts (76) rotatably connected and arranged on the connecting bolt (73), rotating handles fixedly installed on the nut (76) sleeves and abutting rods (78) arranged in the insertion rods (74); insert back connecting block (72) in socket (5) with stopper (75) and inserted bar (74) and support installing port (71), it rotates on connecting bolt (73) to rotate handle (77) drive nut (76), nut (76) rotate drive threaded connection support pole (78) downstream, because support pole (78) top-down diameter increases gradually, extrusion inserted bar (74) make inserted bar (74) take place to deform when the downstream and support socket (5) lateral wall, inserted bar (74) take place to deform and drive stopper (75) open and support spacing groove (6), the realization is fixed to lower clutch (2) and pressure test pipe (1), moreover, the steam generator is simple in structure, the fixity is strong, therefore, the clothes hanger is strong in practicability.

One end of the abutting rod (78) far away from the nut (76) is larger than the other end; the support is favorable for realizing the opening of the inserted bar (74), and has strong practicability.

The end part of the abutting rod (78) close to the nut (76) is in threaded connection with the nut (76); the lifting of the abutting rod (78) can be realized by rotating the nut (76) through the handle (77), so that the time and the labor are saved, and the practicability is strong.

The socket (5) is matched with the size of the expanded inserted rod (74), and the limiting groove (6) is matched with the size of the expanded limiting block (75); the stability of the pressure test tube (1) during fixing is improved, and the practicability is high.

At least four groups of sockets (5) are arranged on the fixed joint (3) and the lower joint (2); further improve device overall stability, the practicality is strong.

The working principle is as follows: when the pressure testing pipe (1) needs to be installed and fixed, a lower joint (2) on the pressure testing pipe (1) is inserted into a positioning opening (4) on a fixed joint (3), a socket (5) on the lower joint (2) is aligned to a socket (5) on the fixed joint (3), a limiting block (75) and an insertion rod (74) are inserted into the socket (5), a connecting block (72) abuts against an installation opening (71), a handle (77) is rotated to drive a nut (76) to rotate on a connecting bolt (73), the nut (76) rotates to drive a pressing rod (78) in threaded connection to move downwards, the diameter of the pressing rod (78) is gradually increased from top to bottom, the insertion rod (74) is extruded when moving downwards to enable the insertion rod (74) to deform to abut against the side wall of the socket (5), the insertion rod (74) deforms to drive the limiting block (75) to expand to abut against a limiting groove (6), and the lower joint (2) and the pressure testing pipe (1) are fixed, the pressure test connector is easy to install and detach, trouble and labor are saved, the working efficiency is improved, and the practicability is high.

Claims

1. The utility model provides a borehole operation is with multi-functional well control pressure testing joint, includes pressure testing pipe (1), lower clutch (2) and fixed joint (3), its characterized in that: the improved fixing device is characterized in that a positioning opening (4) is formed in the fixing joint (3), the lower joint (2) is inserted into the positioning opening (4) in a sliding mode, the inserting ports (5) which are uniformly distributed are formed in the fixing joint (3) and the lower joint (2), the diameter of each inserting port (5) is gradually increased from top to bottom, a limiting groove (6) is formed in the end portion, far away from the lower joint (2), of each inserting port (5), and a fixing mechanism (7) used for fixing the lower joint (2) and the fixing joint (3) is arranged in each inserting port (5) in a sliding mode.

2. The multifunctional well control pressure test joint for downhole operation according to claim 1, characterized in that: the fixing mechanism (7) comprises mounting openings (71) uniformly distributed on the lower connector (2), connecting blocks (72) slidably inserted into the mounting openings (71), connecting bolts (73) fixedly installed on one sides of the connecting blocks (72), uniformly distributed insertion rods (74) fixedly inserted into the connecting blocks (72) and the connecting bolts (73), uniformly distributed limiting blocks (75) fixedly installed at the end portions of the insertion rods (74), nuts (76) rotatably connected to the connecting bolts (73), rotating handles fixedly installed on the nut (76) sleeves and abutting rods (78) arranged in the insertion rods (74).

3. The multifunctional well control pressure test joint for downhole operation according to claim 2, characterized in that: one end of the support rod (78) far away from the nut (76) is larger than the other end.

4. The multifunctional well control pressure test joint for downhole operation according to claim 2, characterized in that: the end part of the abutting rod (78) close to the nut (76) is in threaded connection with the nut (76).

5. The multifunctional well control pressure test joint for downhole operation according to claim 1, characterized in that: the size of the opened socket (5) and the opened inserted rod (74) are matched, and the size of the opened limited groove (6) and the opened limited block (75) are matched.

6. The multifunctional well control pressure test joint for downhole operation according to claim 1, characterized in that: the fixed joint (3) and the lower joint (2) are at least provided with four groups of sockets (5).