CN214170467U

CN214170467U - Petroleum casing pipe with high compression resistance

Info

Publication number: CN214170467U
Application number: CN202022519863.3U
Authority: CN
Inventors: 张扬; 陶宏亮; 杨学松; 阚勇
Original assignee: Gaoyou Huaxing Petroleum Pipe Fittings Manufacturing Co ltd
Current assignee: Gaoyou Huaxing Petroleum Pipe Fittings Manufacturing Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-09-10
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses an oil casing pipe technical field's an oil casing pipe that compressive property is high, which comprises a pipe body, even hoop is provided with the boss on the outer wall of body, and is adjacent be provided with the supporting shoe between the boss, the body passes through the boss and is connected with the back up coat, the outer wall of back up coat is provided with the buffer layer, be provided with resistant time layer on the outer wall of buffer layer, the outer wall on resistant time layer is provided with rust-resistant plastic-coated layer, through the reinforcement frame that is provided with the V-arrangement structure, can improve the compressive capacity of body, when the reinforcement frame atress, through being provided with the support frame, can share the atress of reinforcement frame to avoid the reinforcement frame to warp, through being provided with the supporting shoe, can further improve the intensity of reinforcement frame, thereby can effectively improve the compressive property of body.

Description

Petroleum casing pipe with high compression resistance

Technical Field

The utility model relates to a petroleum casing technical field specifically is a petroleum casing that compressive property is high.

Background

The petroleum casing is a steel pipe used for supporting the wall of a well of an oil well or a gas well so as to ensure the normal operation of the whole oil well after the well drilling process and the well completion, each well needs to use several layers of casings according to different drilling depths and geological conditions, and the traditional petroleum casing has insufficient pressure resistance, so that the safe production of petroleum drilling and production cannot be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a petroleum casing pipe that compressive property is high to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil casing that compressive property is high, includes the body, even hoop is provided with the boss on the outer wall of body, and is adjacent be provided with the supporting shoe between the boss, the body passes through the boss and is connected with the back up coat, the outer wall of back up coat is provided with the buffer layer, be provided with on the outer wall of buffer layer and wait the layer, the outer wall that waits the layer is provided with rust-resistant plastic-coated layer, the outer wall that rust-resistant plastic-coated layer is provided with the anticorrosive coating.

Preferably, the reinforcing block comprises a reinforcing frame with one end connected to the reinforcing layer, the other end of the reinforcing frame is connected to the pipe body, and a support frame is arranged on the inner wall of the reinforcing frame.

Preferably, the support frame is including connecting the horizontal pole on the reinforcement frame inner wall, one side that the horizontal pole is close to the body is provided with the fixed block, and the horizontal pole passes through fixed block and body fixed connection, the both sides of fixed block all are provided with the stiffener, and the fixed block passes through the stiffener and is connected with the horizontal pole.

Preferably, a triangular structure is defined by the reinforcing rods, the fixing blocks and the cross rods, and the reinforcing frame is of a V-shaped structure.

Preferably, the supporting block includes the bracing piece, the both ends of bracing piece are connected respectively on adjacent two sets of the strengthening frame, one side that the bracing piece is close to the body is provided with the connecting block, and the bracing piece passes through connecting block and body fixed connection.

Preferably, the inner wall of the pipe body is provided with a protective layer, and the thickness of the protective layer is zero five millimeters.

Compared with the prior art, the beneficial effects of the utility model are that: through the reinforcing frame that is provided with the V-arrangement structure, can improve the compressive capacity of body, when the reinforcing frame atress, through being provided with the support frame, can share the atress of reinforcing frame to avoid the reinforcing frame to warp, through being provided with the supporting shoe, can further improve the intensity of reinforcing frame, thereby can effectively improve the compressive property of body, guaranteed the safety in production of oil drilling and production in-process, through being provided with the buffer layer, can play the effect of buffering, further improved the compressive capacity of body.

Drawings

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

fig. 2 is a schematic view of the structure at a position a of the present invention.

In the figure: 1. a pipe body; 2. a reinforcing block; 21. a reinforcing frame; 22. a support frame; 221. a cross bar; 222. a fixed block; 223. a reinforcing bar; 3. a support block; 31. a support bar; 32. connecting blocks; 4. a reinforcement layer; 5. a buffer layer; 6. a weatherable layer; 7. an antirust plastic-coated layer; 8. and (4) an anticorrosive layer.

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.

The utility model provides a technical scheme: a petroleum casing pipe with high pressure resistance is disclosed, please refer to fig. 1 and fig. 2, and comprises a pipe body 1, reinforcing blocks 2 are uniformly and annularly arranged on the outer wall of the pipe body 1, supporting blocks 3 are arranged between adjacent reinforcing blocks 2, the pipe body 1 is connected with a reinforcing layer 4 through the reinforcing blocks 2, the reinforcing layer 4 is made of titanium alloy materials and can improve the strength of the pipe body, a buffer layer 5 is arranged on the outer wall of the reinforcing layer 4, the buffer layer 5 is made of rubber materials, so that the pipe body 1 has certain buffering capacity, a weather-resistant layer 6 is arranged on the outer wall of the buffer layer 5, the weather-resistant layer 6 is made of weather-resistant steel, so that the pipe body 1 has certain weather resistance, an antirust plastic-coated layer 7 is arranged on the outer wall of the weather-resistant layer 6, the antirust plastic-coated layer 7 is an epoxy resin coating and can improve the antirust performance of the pipe body 1, an anticorrosive layer 8 is arranged on the outer wall of the antirust plastic-coated layer 7, and the anticorrosive layer 8 is a fluorinated ethylene propylene layer, the corrosion resistance of the pipe body 1 can be improved.

Referring to fig. 1 and 2, the reinforcing block 2 includes a reinforcing frame 21 having one end connected to the reinforcing layer 4, the other end of the reinforcing frame 21 is connected to the pipe body 1, a triangular structure is formed between the reinforcing frame 21 and the pipe body 1, the stability is high, the pressure resistance of the pipe body 1 can be improved, and a support frame 22 is disposed on the inner wall of the reinforcing frame 21.

Referring to fig. 2, the supporting frame 22 includes a cross bar 221 connected to the inner wall of the reinforcing frame 21, a fixing block 222 is disposed on one side of the cross bar 221 close to the pipe body 1, and the cross bar 221 is fixedly connected to the pipe body 1 through the fixing block 222, when the reinforcing frame 21 is stressed, the cross bar 221 can share pressure, reinforcing rods 223 are disposed on two sides of the fixing block 222, the fixing block 222 is connected to the cross bar 221 through the reinforcing rods 223, and the reinforcing rods 223 further improve stability of the supporting frame 22.

Referring to fig. 2, a triangular structure is defined between the reinforcing rod 223, the fixing block 222 and the cross rod 221, and the reinforcing frame 21 is in a V-shaped structure, so that the reinforcing frame 21 is relatively stable and not easy to deform when stressed.

Referring to fig. 2, the supporting block 3 includes a supporting rod 31, two ends of the supporting rod 31 are respectively connected to two adjacent sets of reinforcing frames 21, a connecting block 32 is disposed on one side of the supporting rod 31 close to the pipe body 1, and the supporting rod 31 is fixedly connected to the pipe body 1 through the connecting block 32, when the reinforcing frames 21 are stressed, the supporting rod 31 can also share pressure, so that stability of the reinforcing frames 21 during compression is ensured, and compression resistance of the pipe body 1 is effectively improved.

Referring to fig. 1, a protective layer is disposed on an inner wall of the tube body 1, the thickness of the protective layer is zero five millimeters, and the protective layer is a polyurethane anti-corrosion layer, which can prevent corrosion of the inner wall of the tube body 1.

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 a petroleum casing pipe that compressive property is high, includes body (1), its characterized in that: even hoop is provided with boss (2) on the outer wall of body (1), and is adjacent be provided with supporting shoe (3) between boss (2), body (1) is connected with back up coat (4) through boss (2), the outer wall of back up coat (4) is provided with buffer layer (5), be provided with on the outer wall of buffer layer (5) and wait to feel warm or warm and take shape layer (7), the outer wall that waits to feel warm or warm is provided with rust-resistant plastic-coated layer (7), the outer wall that rust-resistant plastic-coated layer (7) is provided with anticorrosive coating (8).

2. The petroleum casing pipe with high pressure resistance as claimed in claim 1, wherein: the reinforcing block (2) comprises a reinforcing frame (21) with one end connected to the reinforcing layer (4), the other end of the reinforcing frame (21) is connected to the pipe body (1), and a support frame (22) is arranged on the inner wall of the reinforcing frame (21).

3. The petroleum casing pipe with high pressure resistance as claimed in claim 2, wherein: support frame (22) are including connecting horizontal pole (221) on strengthening frame (21) inner wall, one side that horizontal pole (221) are close to body (1) is provided with fixed block (222), and horizontal pole (221) pass through fixed block (222) and body (1) fixed connection, the both sides of fixed block (222) all are provided with stiffener (223), and fixed block (222) pass through stiffener (223) and are connected with horizontal pole (221).

4. The petroleum casing pipe with high pressure resistance as claimed in claim 3, wherein: a triangular structure is defined by the reinforcing rods (223), the fixing blocks (222) and the cross rods (221), and the reinforcing frame (21) is of a V-shaped structure.

5. The petroleum casing pipe with high pressure resistance as claimed in claim 2, wherein: the supporting block (3) comprises supporting rods (31), two ends of each supporting rod (31) are connected to two adjacent groups of the reinforcing frames (21) respectively, one side, close to the pipe body (1), of each supporting rod (31) is provided with a connecting block (32), and each supporting rod (31) is fixedly connected with the pipe body (1) through the corresponding connecting block (32).

6. The petroleum casing pipe with high pressure resistance as claimed in claim 1, wherein: the inner wall of the pipe body (1) is provided with a protective layer, and the thickness of the protective layer is zero five millimeters.