CN217380452U

CN217380452U - Oil drilling casing device

Info

Publication number: CN217380452U
Application number: CN202123093494.7U
Authority: CN
Inventors: 程科
Original assignee: Xi'an Tongchang Oil And Gas Technology Co ltd
Current assignee: Xi'an Tongchang Oil And Gas Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-09-06
Anticipated expiration: 2031-12-10

Abstract

The utility model provides an oil drilling running casing device, the connecting plate comprises a connecting plate, the connecting plate lower extreme is provided with the connecting axle, the connecting axle is connected with the elevator, the elevator inboard is provided with sleeve pipe fixed establishment, be provided with cylinder power spare between elevator and connecting plate, elevator one side is provided with the insurance buckle. This oil drilling casing pipe device is through setting up the slips, the dovetail, the constant head tank, spring and ball round pin, make sleeve pipe fixed establishment can dismantle the change, be convenient for maintain, and can adapt to different size sleeve pipes through changing different size sleeve pipe fixed establishment, the setting through the cylinder has broken away from manual operation, automatic chucking has been realized, more firm difficult pine takes off, through the rubber groove, the setting of anti-skidding rubber piece and anti-skidding groove makes sleeve pipe fixed establishment skid resistance strengthen greatly, the possibility of sleeve pipe slippage has further been avoided, the security has been strengthened.

Description

Oil drilling casing device

Technical Field

The utility model relates to a relevant technical field of oil development especially relates to an oil drilling running casing device.

Background

It has been envisaged to replace the drill pipe with casing to perform the drilling operation as early as the fifties of the twentieth century, but this is difficult to achieve due to the limitations of the technology and equipment at the time, in the nineties of the twentieth century, due to the great development of new technologies, new materials and electronic technologies, the continuous development of oil exploitation technology is promoted, a large number of new drilling processes, new tools and new equipment emerge, the casing drilling technology is proposed again, the casing drilling has obvious advantages compared with the conventional drill pipe drilling, is a technical revolution of drilling engineering, can bring great economic benefits to oil field operators, the casing running operation is frequently carried out during casing drilling, a double elevator is needed in the traditional casing running operation method, the casing is easy to slip, and the operation of workers is very complicated, so that the petroleum drilling casing running device is particularly needed.

However, the existing casing running device for petroleum drilling needs manual fixing and casing dismounting, is complex in installation, time-consuming and labor-consuming, is not stable enough in casing fixing, is easy to slip, easily causes safety accidents, and is difficult to adapt to casings of different diameters.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil drilling running gear to solve the current oil drilling running gear that provides in the above-mentioned background art, need manual fixed and dismantle the sleeve pipe, the installation is loaded down with trivial details and wastes time and energy, the sleeve pipe is fixed firm inadequately, easy slippage causes the incident easily, also is difficult to the sheathed tube problem of the different diameters of adaptation.

In order to achieve the above object, the utility model provides a following technical scheme: the oil drilling casing running device comprises a connecting plate, wherein a connecting shaft is arranged at the lower end of the connecting plate, the connecting shaft is connected with an elevator, a casing fixing mechanism is arranged on the inner side of the elevator, a cylinder power part is arranged between the elevator and the connecting plate, and a safety buckle is arranged on one side of the elevator.

Preferably, the connecting shaft penetrates through the connecting plate and the slips, and two groups of connecting shafts are arranged.

Preferably, the elevator comprises a slip, a dovetail groove, a positioning groove, a spring and a ball pin, wherein the dovetail groove is formed in the inner side of the slip, the positioning groove is formed in the dovetail groove, the spring is arranged in the positioning groove, and the ball pin is arranged outside the spring.

Preferably, the sleeve fixing mechanism comprises a sleeve fixing block, a ball groove, a rubber antiskid block and an antiskid groove, the sleeve fixing block is arranged in the dovetail groove in a clamped mode, the ball groove is formed in the outer wall of the sleeve fixing block, the rubber groove is formed in the inner side of the sleeve fixing block, the rubber antiskid block is glued in the rubber groove, and the antiskid groove is formed in the inner side of the rubber antiskid block.

Preferably, the sleeve fixing blocks are matched in a group of four, the sleeve fixing blocks can be pulled out of or inserted into the dovetail grooves, and the ball pins and the ball grooves can be matched and positioned when the sleeve fixing blocks are inserted.

Preferably, the cylinder power part comprises a lower cylinder shaft, a cylinder and an upper cylinder shaft, the slip is connected with the cylinder through the lower cylinder shaft, and the cylinder is connected with the connecting plate through the upper cylinder shaft.

Preferably, the safety buckle comprises a buckle fixing block, a buckle shaft, a buckle groove and a safety pin, wherein the buckle fixing block is arranged on one side of the slip, the buckle shaft penetrates through the buckle fixing block, the buckle shaft is connected with the buckle, the buckle can be screwed into the buckle groove, and the buckle groove and the buckle can be fixedly penetrated by the safety pin.

Compared with the prior art, the beneficial effects of the utility model are that: this oil drilling casing device, through setting up cylinder shaft, cylinder, last cylinder shaft and connecting axle down, can realize the automatic block of slips and loosen, through dovetail, constant head tank, spring, ball round pin, ball groove and the fixed fast setting of sleeve pipe, can realize changing different size sleeve pipe fixed block in order to adapt to different size sleeve pipes.

Drawings

FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top sectional view of the present invention;

FIG. 4 is a schematic view of the connection structure of the sleeve fixing block and the slip of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a connecting plate; 2. a connecting shaft; 3. an elevator; 301. slips; 302. a dovetail groove; 303. positioning a groove; 304. a spring; 305. a ball pin; 4. a sleeve fixing mechanism; 401. a sleeve fixing block; 402. a ball groove; 403. a rubber groove; 404. a rubber anti-skid block; 405. an anti-slip groove; 5. a cylinder power element; 501. a lower cylinder shaft; 502. a cylinder; 503. an upper cylinder shaft; 6. a safety buckle; 601. a buckle fixing block; 602. A snap shaft; 603. buckling; 604. a fastening groove; 605. and a safety pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a petroleum drilling casing running device, includes connecting plate 1, and 1 lower extreme of connecting plate is provided with connecting axle 2, and connecting axle 2 is connected with

elevator

3, and 3 inboard sides of elevator are provided with sleeve pipe fixed establishment 4, are provided with cylinder power spare 5 between elevator 3 and connecting plate 1, and 3 one side of elevator are provided with insurance buckle 6.

Further, the connecting shaft 2 penetrates through the connecting plate 1 and the slips 301, the connecting shafts 2 are arranged in two groups, and the connecting plate 1 and the slips 301 can rotate around the connecting shafts 2 through the arrangement of the connecting shafts 2.

Further, the elevator 3 comprises a slip 301, a dovetail groove 302, a positioning groove 303, a spring 304 and a ball pin 305, wherein the dovetail groove 302 is formed in the inner side of the slip 301, the positioning groove 303 is formed in the dovetail groove 302, the spring 304 is arranged in the positioning groove 303, the ball pin 305 is arranged outside the spring 304, and the slip 301, the dovetail groove 302, the positioning groove 303, the spring 304 and the ball pin 305 are arranged, so that the casing fixing mechanism 4 can be detached and replaced, the maintenance is convenient, and the casing fixing mechanisms 4 with different sizes can be replaced to adapt to casings with different sizes.

Further, the sleeve fixing mechanism 4 comprises a sleeve fixing block 401, a ball groove 402, a rubber groove 403, rubber anti-slip blocks 404 and anti-slip grooves 405, the sleeve fixing block 401 is clamped in the dovetail groove 302, the outer wall of the sleeve fixing block 401 is provided with the ball groove 402, the rubber groove 403 is formed in the inner side of the sleeve fixing block 401, the rubber anti-slip blocks 404 are glued in the rubber groove 403, the anti-slip grooves 405 are formed in the inner side of the rubber anti-slip blocks 404, the sleeve fixing block 401 is arranged in the inner side of the rubber anti-slip blocks 404, the ball groove 402, the rubber groove 403, the rubber anti-slip blocks 404 and the anti-slip grooves 405 are arranged, the anti-slip capacity of the sleeve fixing mechanism 4 is greatly enhanced, the sleeve is fixed more firmly, and the sleeve is not easy to slip.

Further, the sleeve fixing blocks 401 are matched in a set of four, the sleeve fixing blocks 401 can be pulled out of or inserted into the dovetail grooves 302, the ball pins 305 and the ball grooves 402 can be matched and positioned when the sleeve fixing blocks 401 are inserted, and automatic positioning can be achieved when the sleeve fixing blocks 401 are inserted through the arrangement of the sleeve fixing blocks 401, the dovetail grooves 302 and the ball pins 305.

Further, the air cylinder power part 5 comprises a lower air cylinder shaft 501, an air cylinder 502 and an upper air cylinder shaft 503, the slip 301 is connected with the air cylinder 502 through the lower air cylinder shaft 501, the air cylinder 502 is connected with the connecting plate 1 through the upper air cylinder shaft 503, and the slip 301 can be automatically clamped and loosened through the arrangement of the lower air cylinder shaft 501, the air cylinder 502 and the upper air cylinder shaft 503.

Further, insurance buckle 6 includes buckle fixed block 601, buckle axle 602, buckle 603, buckle groove 604 and safety catch 605, slips 301 one side is provided with buckle fixed block 601, it has buckle axle 602 to run through in the buckle fixed block 601, buckle axle 602 is connected with buckle 603, buckle 603 can be rotated into in the buckle groove 604, buckle groove 604 can run through fixedly by safety catch 605 with buckle 603, through buckle fixed block 601, buckle axle 602, buckle 603, buckle groove 604 and safety catch 605's setting, can prevent that the sleeve pipe that leads to because of the cylinder 502 trouble from taking off.

The working principle is as follows: when the petroleum drilling casing running device is used, firstly, the safety pin 605 is pulled out, the buckle 603 is loosened, then the casing fixing block 401 is enabled to clamp the tail end of the casing, then the air cylinder 502 is started to close the slip 301, the rubber anti-slip block 404 is tightly attached to the outer wall of the casing, finally, the buckle 603 is closed and the safety pin 605 is inserted, then the crane can be started to lift the casing, when the casing fixing block 401 is replaced, the casing fixing block 401 is pulled out from the upper end, then a new casing fixing block 401 is inserted from the dovetail groove 302, and the ball pin 305 is inserted into the ball groove 402, so that the petroleum drilling casing running device is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil drilling casing running device, includes connecting plate (1), its characterized in that: the connecting plate is characterized in that a connecting shaft (2) is arranged at the lower end of the connecting plate (1), an elevator (3) is connected to the connecting shaft (2), a sleeve fixing mechanism (4) is arranged on the inner side of the elevator (3), an air cylinder power part (5) is arranged between the elevator (3) and the connecting plate (1), and a safety buckle (6) is arranged on one side of the elevator (3).

2. The oil well casing running device according to claim 1, wherein: the connecting shaft (2) penetrates through the connecting plate (1) and the slips (301), and two groups of connecting shafts (2) are arranged.

3. The oil well casing running device according to claim 1, wherein: the elevator (3) comprises a slip (301), a dovetail groove (302), a positioning groove (303), a spring (304) and a ball pin (305), wherein the dovetail groove (302) is formed in the inner side of the slip (301), the positioning groove (303) is formed in the dovetail groove (302), the spring (304) is arranged in the positioning groove (303), and the ball pin (305) is arranged outside the spring (304).

4. The oil well casing running device according to claim 3, wherein: the sleeve fixing mechanism (4) comprises a sleeve fixing block (401), a ball groove (402), a rubber groove (403), a rubber antiskid block (404) and an antiskid groove (405), the sleeve fixing block (401) is arranged in the dovetail groove (302) in a clamped mode, the ball groove (402) is arranged on the outer wall of the sleeve fixing block (401), the rubber groove (403) is formed in the inner side of the sleeve fixing block (401), the rubber antiskid block (404) is glued in the rubber groove (403), and the antiskid groove (405) is arranged on the inner side of the rubber antiskid block (404).

5. The oil drilling casing running device according to claim 4, wherein: the sleeve fixing blocks (401) are matched in a group of four, the sleeve fixing blocks (401) can be pulled out of or inserted into the dovetail grooves (302), and the ball pins (305) and the ball grooves (402) can be matched and positioned when the sleeve fixing blocks (401) are inserted.

6. The oil well casing running device according to claim 3, wherein: the air cylinder power part (5) comprises a lower air cylinder shaft (501), an air cylinder (502) and an upper air cylinder shaft (503), the slip (301) is connected with the air cylinder (502) through the lower air cylinder shaft (501), and the air cylinder (502) is connected with the connecting plate (1) through the upper air cylinder shaft (503).

7. The oil drilling casing running device according to claim 3, wherein: the safety buckle (6) comprises a buckle fixing block (601), a buckle shaft (602), a buckle (603), a buckle groove (604) and a safety pin (605), wherein the buckle fixing block (601) is arranged on one side of the slip (301), the buckle shaft (602) penetrates through the buckle fixing block (601), the buckle shaft (602) is connected with the buckle (603), the buckle (603) can be screwed into the buckle groove (604), and the buckle groove (604) and the buckle (603) can be fixedly penetrated by the safety pin (605).