CN216741468U

CN216741468U - High-efficient screen pipe frock that punches

Info

Publication number: CN216741468U
Application number: CN202220545200.5U
Authority: CN
Inventors: 李洪岩; 李海燕; 李连杰
Original assignee: Daqing Changyuan Energy Technology Co ltd
Current assignee: Daqing Changyuan Energy Technology Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-06-14
Anticipated expiration: 2032-03-14

Abstract

The utility model relates to the technical field of oil field drilling, and discloses a high-efficiency punching sieve tube tool which comprises a first sieve tube and a second sieve tube, wherein the lower end of the first sieve tube is in threaded connection with a connecting piece, the lower end of the connecting piece is in threaded connection with the second sieve tube, the lower end of the second sieve tube is in threaded connection with the sieve tube, the first sieve tube and the second sieve tube respectively comprise a pipeline body and an inner tube, sliding grooves are respectively formed in the two sides of the upper end and the lower end of the connecting tube and the two sides of the upper end of the sieve tube, springs are respectively arranged in the sliding grooves, and one ends, far away from the springs, of the springs are respectively and fixedly connected with a limiting piece. According to the utility model, the connecting piece between the first screen pipe and the second screen pipe is realized, and the first screen pipe, the connecting piece and the second screen pipe are loosened and fall off due to the loosening of the connecting piece when the first screen pipe and the second screen pipe are rotated under a well, so that the first screen pipe, the connecting piece and the second screen pipe are left under the well.

Description

High-efficient screen pipe frock that punches

Technical Field

The utility model relates to the technical field of oilfield drilling, in particular to a high-efficiency punching screen pipe tool.

Background

The screen pipe well completion is a well completion mode commonly adopted at home and abroad, wherein the screen pipe is used for providing a channel for oil and gas flow to enter a shaft, playing a role of a filter for a sand production well, effectively preventing various hazards caused by formation sand production, and mainly playing a role of maintaining the stability of a well hole and preventing fragments from entering the shaft for an oil and gas well without sand production.

The existing perforated sieve tube mainly has the condition that the connection part is easy to fall off when the sieve tube is rotated because the connection pipe is only connected by threads at the connection part.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a high-efficiency punching screen pipe tool.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a high-efficient screen pipe frock that punches, includes first screen pipe and second screen pipe, the lower extreme threaded connection of first screen pipe has the connecting piece, the lower extreme threaded connection of connecting piece has the second screen pipe, the lower extreme threaded connection of second screen pipe has the screen pipe, first screen pipe and second screen pipe all include pipeline body and inner tube, the outside of pipeline body all is provided with the anticorrosive coating, the outside of anticorrosive coating is provided with the wearing layer, the connecting piece includes connecting pipe and spout, the upper and lower end both sides of connecting pipe and the upper end both sides of screen pipe all are provided with the spout, the inside of spout all is provided with the spring, the equal fixedly connected with locating part of one end that the spring was kept away from mutually.

As a further description of the above technical solution:

the first screen and the second screen are identical.

As a further description of the above technical solution:

and both sides of the upper end and the lower end of the first sieve tube and the second sieve tube are provided with limiting holes.

As a further description of the above technical solution:

the inside of pipeline body all fixedly connected with inner tube.

As a further description of the above technical solution:

through holes are uniformly distributed on the peripheries of the first sieve tube and the second sieve tube.

As a further description of the above technical solution:

the inner diameter of the connecting pipe is equal to that of the inner pipe.

As a further description of the above technical solution:

the locating part is connected in the inside of spout in the equal sliding connection in one end periphery that is close to mutually.

As a further description of the above technical solution:

the locating part is kept away from the periphery of one end and is connected inside the limiting hole in a sliding mode.

The utility model has the following beneficial effects:

1. according to the utility model, the connecting piece is arranged at the upper end of the second sieve tube, when the limiting pieces which are in sliding connection in the chutes at the two sides of the lower end of the connecting pipe rotate to the limiting hole positions at the two sides of the upper end of the second sieve tube, the limiting pieces at the two sides are popped up by the springs in the chutes to block the limiting holes, so that the connecting piece between the first sieve tube and the second sieve tube is realized, and the first sieve tube, the connecting piece and the second sieve tube are not easy to loosen and fall off when the first sieve tube and the second sieve tube are rotated under a drilling well, so that the first sieve tube, the connecting piece and the second sieve tube are left under the well.

Drawings

FIG. 1 is a perspective view of a high-efficiency perforated screen pipe tool according to the present invention;

FIG. 2 is a front view of an internal structure of the high-efficiency perforated screen pipe tool provided by the utility model;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a first sieve tube; 2. a connecting member; 3. a second sieve tube; 4. a limiting hole; 5. a pipe body; 6. an inner tube; 7. an anticorrosive layer; 8. a wear layer; 9. a connecting pipe; 10. a chute; 11. a spring; 12. a limiting member; 13. a screen pipe; 14. and a through hole.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a high-efficiency perforated sieve tube tool comprises a first sieve tube 1 and a second sieve tube 3, wherein the lower end of the first sieve tube 1 is in threaded connection with a connecting piece 2, the lower end of the connecting piece 2 is in threaded connection with the second sieve tube 3, the lower end of the second sieve tube 3 is in threaded connection with a sieve tube 13, the first sieve tube 1 and the second sieve tube 3 both comprise a pipeline body 5 and an inner tube 6, the outer part of the pipeline body 5 is provided with an anticorrosive coating 7, the outer part of the anticorrosive coating 7 is provided with a wear-resistant coating 8, the connecting piece 2 comprises a connecting tube 9 and sliding chutes 10, the two sides of the upper end and the lower end of the connecting tube 9 and the two sides of the upper end of the sieve tube 13 are provided with sliding chutes 10, the inner parts of the sliding chutes 10 are provided with springs 11, the ends of the springs 11 far away from each other are fixedly connected with a limiting piece 12, the connecting piece 2 is arranged at the upper end of the second sieve tube 3, when the limiting pieces 12 which are in sliding connection in the two sides of the lower end of the connecting tube 9 rotate to the limiting holes 4 at the two sides of the upper end of the second sieve tube 3, the spring 11 in the chute 10 pops up the limiting parts 12 on two sides to block the limiting hole 4, thereby realizing the connecting piece 2 between the first sieve tube 1 and the second sieve tube 3, when the first sieve tube 1 and the second sieve tube 3 are not easy to rotate under a drilling well, the connecting piece 2 loosens to make the first sieve tube 1, the connecting piece 2 and the second sieve tube 3 loose and fall off, thereby causing the condition that the first sieve tube 1, the connecting piece 2 and the second sieve tube 3 are left under the well to occur, and in the same way, the sieve tube 13 is installed at the lower end of the second sieve tube 3, and the sieve tube 13 is not easy to fall off in the same way, when the connecting piece 2 and the sieve tube 13 are removed, only the limiting parts 12 are required to be pressed into the chute 10 by a fine needle, and then the connecting piece 2 is rotated, so that the connecting piece 2 can be removed from the second sieve tube 3.

First screen pipe 1 is the same with second screen pipe 3, the upper and lower end both sides of first screen pipe 1 and second screen pipe 3 all are provided with spacing hole 4, be used for blocking locating part 12, the equal fixedly connected with inner tube 6 in inside of pipeline body 5, the equal evenly distributed in periphery of first screen pipe 1 and second screen pipe 3 has through-hole 14, the internal diameter of connecting pipe 9 equals with the internal diameter of inner tube 6, the stock solution circulation in the inner tube 6 of being convenient for, the equal sliding connection in the inside of spout 10 of one end periphery that locating part 12 is close to mutually, the equal sliding connection in the inside of spacing hole 4 of one end periphery that locating part 12 kept away from mutually, to the spacing slip of locating part 12.

The working principle is as follows: firstly, the connecting piece 2 is arranged at the upper end of the second sieve tube 3, when the limiting pieces 12 which are connected in the sliding grooves 10 at the two sides of the lower end of the connecting pipe 9 in a sliding way rotate to the positions of the limiting holes 4 at the two sides of the upper end of the second sieve tube 3, the spring 11 in the sliding groove 10 ejects the limiting pieces 12 at the two sides to block the limiting holes 4, so that the connecting piece 2 between the first sieve tube 1 and the second sieve tube 3 is realized, when the first sieve tube 1 and the second sieve tube 3 are not easy to rotate under a well, the connecting piece 2 loosens to enable the first sieve tube 1, the connecting piece 2 and the second sieve tube 3 to loosen and fall off, the first sieve tube 1, the connecting piece 2 and the second sieve tube 3 are left under the well, similarly, the sieve tube 13 is arranged at the lower end of the second sieve tube 3, the sieve tube 13 is not easy to fall off in the same way, when the connecting piece 2 and the sieve tube 13 are dismounted, the limiting pieces 12 only need to be pressed into the sliding grooves 10 by fine needles, the connector 2 is then rotated to remove the connector 2 from the second screen 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a high-efficient screen pipe frock that punches, includes first screen pipe (1) and second screen pipe (3), its characterized in that: the utility model discloses a well screen pipe, including the pipe body (5) and inner tube (6), the lower extreme threaded connection of first screen pipe (1) has connecting piece (2), the lower extreme threaded connection of connecting piece (2) has second screen pipe (3), the lower extreme threaded connection of second screen pipe (3) has screen pipe (13), first screen pipe (1) and second screen pipe (3) all include pipeline body (5) and inner tube (6), the outside of pipeline body (5) all is provided with anticorrosive coating (7), the outside of anticorrosive coating (7) is provided with wearing layer (8), connecting piece (2) are including connecting pipe (9) and spout (10), the upper and lower end both sides of connecting pipe (9) and the upper end both sides of screen pipe (13) all are provided with spout (10), the inside of spout (10) all is provided with spring (11), the equal fixedly connected with locating part (12) of one end that spring (11) kept away from mutually.

2. The high efficiency perforated screen pipe tooling as claimed in claim 1, wherein: the first sieve tube (1) and the second sieve tube (3) are the same.

3. The high efficiency perforated screen pipe tooling as claimed in claim 1, wherein: and both sides of the upper end and the lower end of the first sieve tube (1) and the second sieve tube (3) are provided with limiting holes (4).

4. The high efficiency perforated screen pipe tooling as claimed in claim 1, wherein: the inner part of the pipeline body (5) is fixedly connected with an inner pipe (6).

5. The high efficiency perforated screen pipe tooling as claimed in claim 1, wherein: through holes (14) are uniformly distributed on the peripheries of the first sieve tube (1) and the second sieve tube (3).

6. The high efficiency perforated screen pipe tooling as claimed in claim 1, wherein: the inner diameter of the connecting pipe (9) is equal to that of the inner pipe (6).

7. The high efficiency perforated screen pipe tooling as claimed in claim 1, wherein: the periphery of one end, close to the limiting part (12), of the limiting part is connected to the inside of the sliding groove (10) in a sliding mode.

8. The high efficiency perforated screen pipe tooling as claimed in claim 1, wherein: the periphery of one end, far away from the limiting part (12), of the limiting part is connected to the inside of the limiting hole (4) in a sliding mode.