CN218150878U

CN218150878U - Anti-corrosion sieve tube for oil exploitation

Info

Publication number: CN218150878U
Application number: CN202222717993.7U
Authority: CN
Inventors: 秦永杰; 阳石辉; 何涛; 马冯旭; 税建平; 马伟强; 罗迦意; 胡晓海; 曾辉
Original assignee: Sichuan Yatuo Oil And Gas Engineering Technology Service Co ltd
Current assignee: Sichuan Yatuo Oil And Gas Engineering Technology Service Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2022-12-27
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses an anticorrosion screen pipe for oil development, include unit bottom end ring, unit top end ring, around establishing interior barrel holder, stainless steel wire winding and outside blend stop post, unit bottom end ring with install between the unit top end ring around establishing interior barrel holder, around establishing interior barrel holder and being annular arrangement's frame vertical retort and fixed mounting in by a plurality of roots put up two interior frame rings at vertical retort both ends and form, the side body coupling of frame vertical retort has a plurality of align to grid's little projection of wire winding, around establishing interior barrel holder through the little projection of wire winding and evenly around being equipped with the stainless steel wire winding, the interior anchor ring top of unit bottom end ring with unit top intra-annular ring bottom all is equipped with end annulus groove, the interior frame ring is placed end annulus inslot. Has the advantages that: the utility model discloses not only corrosion resisting property is high to press from both sides through inside and outside strip post and establish stainless wire net, the inside and outside compressive strength of a section of thick bamboo is high, the dismantlement of the unit of being convenient for is changed.

Description

Anti-corrosion sieve tube for oil exploitation

Technical Field

The utility model relates to an oil screen pipe device field especially relates to an anticorrosion screen pipe for oil development.

Background

The main effect of oil screen pipe is exactly the sand control, it is mostly metallic structure, long-time use can produce the corruption, in order to improve the corrosion resisting property of screen pipe, back carries out the wire winding through stainless steel wire and forms the screen pipe net and cooperate the stainless steel pipe head at both ends as the screen pipe, but when it uses, owing to form for the stainless steel wire winding is around establishing, it has certain deformation, when inside and outside pressurized, can produce great change, thereby lead to the sieve mesh change, secondly when its sieve mesh change leads to somewhere to damage, be difficult to maintain and change.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anticorrosion screen pipe for oil development in order to solve the above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

an anti-corrosion sieve tube for oil exploitation comprises a unit bottom end ring, a unit top end ring, a winding inner barrel frame, stainless steel winding wires and an outer side barrier rib column, wherein the winding inner barrel frame is arranged between the unit bottom end ring and the unit top end ring, the winding inner barrel frame is composed of a plurality of inner annularly arranged vertical bars and two inner barrel rings fixedly arranged at two ends of the vertical bars, a plurality of uniformly arranged winding small convex columns are integrally connected to the side surface of each vertical bar, the stainless steel winding wires are uniformly wound on the winding inner barrel frame through the winding small convex columns, end ring surface grooves are formed in the top of an inner ring surface of the unit bottom end ring and the bottom of an inner ring surface of the unit top end ring, the inner ring surface is placed in the end ring surface grooves, column surface grooves are formed in the top of an outer ring surface of the unit bottom end ring and the bottom of an outer ring surface of the unit top end ring, the top end of the outer side barrier rib column is fixedly arranged in the column surface grooves formed in the unit top end ring.

Furthermore, an end ring mounting ring groove is formed in the bottom of the outer side ring surface of the unit bottom end ring, an inserting ring groove is formed in the top of the inner side ring surface of the unit top end ring, and end ring rotary holes are formed in the inserting ring groove and the end ring mounting ring groove.

Furthermore, two ends of the outer side barrier rod are installed in the rod surface groove through a rod fixing bolt.

Furthermore, the outer side surfaces of the unit bottom end ring, the unit top end ring, the winding inner barrel frame and the outer side barrier strip column are all provided with an anti-corrosion and anti-abrasion layer.

Has the advantages that: a anticorrosion screen pipe for oil development not only corrosion resisting property is high to press from both sides through inside and outside strip column to stainless wire net and establish, the inside and outside compressive strength of a section of thick bamboo is high, the dismantlement of the unit of being convenient for is changed.

Drawings

FIG. 1 is a schematic view of an anti-corrosion screen pipe for oil production according to the present invention;

FIG. 2 is a schematic view of a single frame of the anti-corrosion screen pipe for oil production according to the present invention;

FIG. 3 is a schematic end ring surface view of an anti-corrosion screen for oil production according to the present invention;

fig. 4 is a schematic view of an inner cylinder frame of the anti-corrosion screen pipe for oil exploitation according to the present invention.

The reference numerals are explained below:

1. a unit bottom ring; 2. a cell top ring; 3. winding an inner barrel frame; 4. winding stainless steel; 5. an outer barrier post; 6. a bar fixing bolt; 7. an end ring mounting ring groove; 8. winding the small convex column; 9. end ring rotation holes; 10. an inner frame ring; 11. an inner frame vertical bar; 12. an end ring surface groove; 13. a cylindrical groove.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-4, the anti-corrosion screen pipe for oil exploitation is composed of a unit bottom end ring 1, a unit top end ring 2, a winding inner barrel frame 3, stainless steel winding wires 4 and an outer side barrier rod 5;

a winding inner barrel frame 3 is arranged between the unit bottom end ring 1 and the unit top end ring 2, the winding inner barrel frame 3 consists of a plurality of frame vertical bars 11 which are annularly arranged and two inner barrel rings 10 which are fixedly arranged at two ends of the frame vertical bars 11, a plurality of uniformly arranged winding small convex columns 8 are integrally connected to the side surfaces of the frame vertical bars 11, and stainless steel winding wires 4 are uniformly wound on the winding inner barrel frame 3 through the winding small convex columns 8;

the top of the inner ring surface of the unit bottom end ring 1 and the bottom of the inner ring surface of the unit top end ring 2 are both provided with an end ring surface groove 12, the end ring surface groove 12 is matched with the inner frame ring 10, and the inner frame ring 10 is placed in the end ring surface groove 12;

the top of the outer ring surface of the unit bottom end ring 1 and the bottom of the outer ring surface of the unit top end ring 2 are both provided with a cylindrical groove 13, the top end of the outer side barrier column 5 is fixedly arranged in the cylindrical groove 13 on the unit top end ring 2, and the bottom end of the outer side barrier column 5 is fixedly arranged in the cylindrical groove 13 on the unit bottom end ring 1.

In this embodiment, the bottom of the outer side ring surface of the unit bottom ring 1 is provided with an end ring installation ring groove 7, the top of the inner side ring surface of the unit top ring 2 is provided with an insertion ring groove, the insertion ring groove and the end ring installation ring groove 7 are provided with an end ring rotary hole 9, the unit bottom ring 1, the unit top ring 2, the winding inner cylinder frame 3 and the stainless steel wire winding 4 form a unit sieve tube, the sieve tubes of different units can be connected with each other, and the bottom of the unit bottom ring 1 is inserted into the insertion ring groove and connected through a unit connecting bolt.

In this embodiment, the two ends of the outside barrier strip column 5 are installed in the strip column groove 13 through the strip column fixing bolt 6, the inner side surface of the outside barrier strip column 5 is a concave arc surface, and the outer side surface is a convex arc surface, so that the stainless steel wire winding 4 can be conveniently pressed.

In this embodiment, the outer side surfaces of the unit bottom end ring 1, the unit top end ring 2, the winding inner barrel frame 3 and the outer side barrier bar column 5 are all provided with an anticorrosive wear-resistant layer.

In the structure, the screen pipe is formed by a plurality of units concatenation, the screen pipe of every unit is by the unit bottom end ring 1 of connecting, the bobbin bracket 3 is constituteed in establishing around the unit top end ring 2 and inside placing, establish in inside around establishing bobbin bracket 3 card, be convenient for change, when a certain department takes place to damage, need not whole dismantlements, only need with the outside blend stop post 5 one end of corresponding unit pull down change can, the outside is equipped with blend stop post 5 simultaneously, the sieve that has increased stainless steel wire winding 4 and has constituteed is around the steadiness ability of a section of thick bamboo, bear higher internal and external pressure, the steadiness ability of its barrel has been improved on stainless steel and anticorrosive wear-resistant material's basis.

Having shown and described the basic principles, essential features and advantages of the invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are merely illustrative, but rather are intended to cover various changes and modifications within the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An anticorrosion screen pipe for oil exploitation, its characterized in that: the winding inner barrel frame is composed of a plurality of inner barrel frames which are arranged in an annular mode and two inner frame rings which are fixedly installed at two ends of each inner barrel frame, a plurality of uniformly arranged winding small protruding columns are integrally connected to the side faces of the inner barrel frames, the stainless steel winding wires are uniformly wound on the winding inner barrel frames through the winding small protruding columns, end ring face grooves are formed in the top of the inner ring face of the unit bottom end ring and the bottom of the inner ring face of the unit top end ring, the inner frame rings are placed in the end ring face grooves, cylindrical face grooves are formed in the top of the outer ring face of the unit bottom end ring and the bottom of the outer ring face of the unit top end ring, the top end of the outer side barrier bar column is fixedly installed in the cylindrical face grooves in the unit top end ring, and the bottom end of the outer side barrier bar column is fixedly installed in the cylindrical face grooves in the unit bottom end ring.

2. The anti-corrosion screen for oil production according to claim 1, wherein: the bottom of the outer side ring surface of the unit bottom end ring is provided with an end ring mounting ring groove, the top of the inner side ring surface of the unit top end ring is provided with an inserting ring groove, and the inserting ring groove and the end ring mounting ring groove are both provided with end ring rotary holes.

3. The anti-corrosion screen for oil production according to claim 1, wherein: and two ends of the outer side barrier rod are installed in the rod surface grooves through rod fixing bolts.

4. The anti-corrosion screen for oil production according to claim 1, wherein: and the outer side surfaces of the unit bottom end ring, the unit top end ring, the winding inner barrel frame and the outer side barrier strip column are all provided with an anti-corrosion and anti-abrasion layer.