CN215520841U

CN215520841U - Sand control screen pipe convenient to install for oil field exploitation

Info

Publication number: CN215520841U
Application number: CN202122158436.1U
Authority: CN
Inventors: 郭春竹; 赵立阳; 孙闯; 王强
Original assignee: Guo Chunzhu
Current assignee: Guo Chunzhu
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-01-14
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses an oil field exploitation sand control screen pipe convenient to install, which comprises a sand control screen pipe body, wherein the sand control screen pipe body comprises a metal outer cylinder and a filter screen layer movably sleeved in the metal outer cylinder, two ends of the metal outer cylinder are respectively flush with two ends of the filter screen layer, two ends of the metal outer cylinder are respectively and movably sleeved with an installation box, the inner wall of one side, far away from each other, of the two installation boxes is respectively in sealed movable contact with two ends of the metal outer cylinder, the side, far away from each other, of the two installation boxes is fixedly connected with an installation pipe, one end, close to the corresponding installation box, of each installation pipe is arranged into a plugging structure, and an equipment connector is movably sleeved in each installation pipe. The sand control screen pipe body dismounting device is convenient for quickly realizing dismounting operation of the sand control screen pipe body in a simple pulling mode, improves the working efficiency, is convenient for quickly realizing dismounting and assembling operation of the sand control screen pipe body, is convenient for subsequent cleaning operation of personnel, and meets the use requirement.

Description

Sand control screen pipe convenient to install for oil field exploitation

Technical Field

The utility model relates to the technical field of sand control screen pipes, in particular to a sand control screen pipe convenient to install for oilfield exploitation.

Background

The oil exploitation refers to the action of excavating and extracting oil in places where the oil is stored, the process of exploiting the oil refers to a driving mode that oil gas flows into a well bottom from a reservoir stratum and rises to a well head from the well bottom, and a sand control screen pipe is needed during the exploitation of an oil field; current sand control screen pipe, it has the shortcoming of being not convenient for quick installation and assembling to self split, sand control screen pipe adopts a plurality of bolt cooperations to install with the connected mode that equipment connects for a large time, the installation effectiveness is low, sand control screen pipe comprises metal urceolus and filter layer mostly, and the mode that is connected between metal outer layer and the filter layer and adopts the electric welding for a large time is fixed, the split clearance operation in the later stage of being not convenient for, can not satisfy the user demand, therefore we have proposed an oil field exploitation sand control screen pipe convenient to installation and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a sand control screen for oilfield exploitation, which is convenient to install.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a sand control screen pipe convenient for oil field exploitation and convenient to install comprises a sand control screen pipe body, wherein the sand control screen pipe body comprises a metal outer cylinder and a filter screen layer movably sleeved in the metal outer cylinder, two ends of the metal outer cylinder are respectively flush with two ends of the filter screen layer, two ends of the metal outer cylinder are respectively movably sleeved with an installation box, the inner wall of one side, far away from each other, of the two installation boxes is respectively in sealing movable contact with two ends of the metal outer cylinder, one side, far away from each other, of each installation box is fixedly connected with an installation pipe, one end, close to the corresponding installation box, of each installation pipe is arranged to be a blocking structure, an equipment connector is movably sleeved in each installation pipe, the top of each equipment connector is provided with a clamping groove with an opening in the front side and the rear side, a first elastic clamping mechanism is movably clamped in each clamping groove, the top of the first elastic clamping mechanism extends to the upper side of the corresponding installation pipe, and the inner wall, close to each installation pipe, is provided with a first through hole, the inner wall of one side, away from each other, of each of the two mounting boxes is provided with a second through hole, the second through holes are communicated with the corresponding first through holes, the bottom of each first elastic clamping mechanism extends into the corresponding first through hole and is fixedly connected with an L-shaped extrusion rod, two ends of the filter screen layer are fixedly connected with two fixed blocks, the mounting boxes are movably sleeved on the corresponding two fixed blocks, the inner wall of the bottom of the filter screen layer is fixedly connected with two fixed rods, the ends, away from each other, of the two fixed rods respectively extend into the corresponding second through holes, clamping holes are formed in the tops of the fixed rods, a second elastic clamping mechanism is movably clamped in the clamping holes, the top of the second elastic clamping mechanism is fixedly connected with the inner wall of the top of the corresponding second through hole, the top of one side, close to each other, of the two mounting pipes is provided with a first groove, and the side, away from each other, of the two second elastic clamping mechanisms respectively extend into the corresponding first grooves, the inner wall of the bottom of the first groove is provided with a first through hole, the L-shaped extrusion rod is located below the corresponding first through hole and matched with the first through hole, one side, close to each other, of the two installation pipes is fixedly connected with a guide sleeve, and the guide sleeve is located in the corresponding second through hole and is sleeved on the second elastic clamping mechanism in a sliding mode.

Preferably, the first elastic clamping mechanism comprises a clamping block movably clamped in the corresponding clamping groove, the top of the clamping block extends to the upper portion of the corresponding installation pipe and is fixedly connected with a cross rod, a pull head is fixedly connected with the top of the cross rod, a rectangular groove is formed in the top of the installation pipe, a rectangular rod is fixedly connected with the bottom of the cross rod, the bottom end of the rectangular rod penetrates through the corresponding rectangular groove, extends into the first through hole and is fixedly connected with the inner wall of the bottom of the L-shaped extrusion rod, a moving block is fixedly connected with one side of each of the two rectangular rods, the moving block is located in the corresponding rectangular groove, and a first spring is fixedly connected between the bottom of the moving block and the inner wall of the bottom of the corresponding rectangular groove.

Preferably, the second elasticity clamps the mechanism and includes that the activity card adorns the kelly in the card hole that corresponds, the top of kelly extends to the top and the fixedly connected with carriage release lever of the uide bushing that corresponds, the uide bushing slip cap is established on the kelly that corresponds, the one end that two carriage release levers kept away from each other extends to corresponding first inslot respectively, the carriage release lever is located the top of the L shape extrusion stem that corresponds and cooperatees with L shape extrusion stem, fixedly connected with second spring between the top of carriage release lever and the top inner wall of the second through-hole that corresponds, fixedly connected with flexible gum cover between the top of carriage release lever and the top inner wall of the second through-hole that corresponds, the second spring is located the flexible gum cover that corresponds.

Preferably, the two ends of the metal outer cylinder are fixedly bonded with first sealing rubber rings, and one sides, far away from each other, of the two first sealing rubber rings are respectively in movable contact with the inner wall of one side, far away from each other, of the two mounting boxes.

Preferably, all bond fixedly on the one end inner wall that two installation pipes are close to each other and have the second rubber sealing ring, one side that two second rubber sealing rings kept away from each other respectively with the one end swing joint that two equipment connectors are close to each other.

Preferably, first rectangular hole has been seted up on the top inner wall of installation pipe, the outer side swing contact of the inner wall of first rectangular hole and the fixture block that corresponds has seted up the second rectangular hole on the bottom inner wall of rectangular channel, and the outside bonding cladding of rectangular rod has the rubber seal, the outer side of rubber seal and the inner wall swing contact in the second rectangular hole that corresponds.

Preferably, two slots are formed in the inner wall of one side, away from each other, of each mounting box, and the inner walls of the slots are in movable contact with the outer sides of the corresponding fixing blocks.

Preferably, the front side and the rear side of the moving rod are respectively in movable contact with the front side inner wall and the rear side inner wall of the corresponding first groove.

Compared with the prior art, the utility model has the beneficial effects that:

when the sand control screen pipe body is taken down from the two equipment connectors, two pull heads are pulled upwards to respectively drive the corresponding cross rods to move upwards, the cross rods drive the moving block to slide upwards in the rectangular grooves through the corresponding rectangular rods and stretch the first springs, the cross rods drive the corresponding clamping blocks to move out from the clamping grooves, and at the moment, the equipment connectors can be pulled to a direction far away from the metal outer cylinder to move out from the corresponding mounting pipes, so that the sand control screen pipe body can be taken down from the two equipment connectors;

when the sand control screen pipe body is disassembled, the pull head is continuously pulled upwards, so that the rectangular rods drive the corresponding L-shaped extrusion rods to upwards penetrate through the first through holes to move into the first grooves, the L-shaped extrusion rods upwards move to contact with the bottoms of the corresponding movable rods and then extrude the movable rods to upwards compress the telescopic sleeves and the second springs, the movable rods drive the corresponding clamping rods to move out of the clamping holes, at the moment, the mounting box can be moved to be separated from the two corresponding fixed blocks, and then the fixed blocks are pulled from one end to drive the filter screen layer to move out of the metal outer cylinder, so that the cleaning is convenient;

after cleaning, the filter screen layer is sleeved in the metal outer cylinder, when two mounting boxes are respectively sleeved on two corresponding fixed blocks, part of tensile force on the pull head is released, the elastic force of the first spring in a compression state drives the L-shaped extrusion rod to release extrusion force on the moving rod downwards through the corresponding moving block and the rectangular rod, the elastic force of the second spring in the compression state drives the clamping rod to move into the clamping hole through the corresponding moving rod, the mounting boxes are fixed on the metal outer cylinder, then the mounting pipe is sleeved on the corresponding equipment connecting head, the tensile force on the pull head is completely released, the elastic force of the first spring in the compression state drives the clamping rod to move downwards to the clamping groove sequentially through the corresponding moving block, the rectangular rod and the transverse rod, and the mounting pipe is fixed on the corresponding equipment connecting head to complete mounting.

The sand control screen pipe body dismounting device is convenient for quickly realizing dismounting operation of the sand control screen pipe body in a simple pulling mode, improves the working efficiency, is convenient for quickly realizing dismounting and assembling operation of the sand control screen pipe body, is convenient for subsequent cleaning operation of personnel, and meets the use requirement.

Drawings

FIG. 1 is a schematic structural view of an oilfield production sand control screen according to the present invention that is easy to install;

fig. 2 is an enlarged sectional view of a portion a of fig. 1.

In the figure: 100 metal outer cylinders, 101 equipment connectors, 102 filter screen layers, 1 mounting box, 2 mounting pipes, 3 clamping grooves, 4 clamping blocks, 5 cross rods, 6 rectangular grooves, 7 rectangular rods, 8 moving blocks, 9 first springs, 10 first through holes, 11L-shaped extrusion rods, 12 fixing blocks, 13 fixing rods, 14 clamping rods, 15 clamping holes, 16 first grooves, 17 moving rods, 18 second springs and 19 guide sleeves.

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.

Referring to fig. 1-2, a sand control screen for oilfield exploitation convenient to install comprises a sand control screen body, the sand control screen body comprises a metal outer cylinder 100 and a filter screen layer 102 movably sleeved in the metal outer cylinder 100, two ends of the metal outer cylinder 100 are respectively flush with two ends of the filter screen layer 102, two ends of the metal outer cylinder 100 are respectively movably sleeved with a mounting box 1, the inner walls of the two sides of the mounting boxes 1 far away from each other are respectively in sealing movable contact with two ends of the metal outer cylinder 100, one side of the two sides of the mounting boxes 1 far away from each other is fixedly connected with a mounting pipe 2, one end of the mounting pipe 2 close to the corresponding mounting box 1 is provided with a plugging structure, an equipment connector 101 is movably sleeved in the mounting pipe 2, the top of the equipment connector 101 is provided with a clamping groove 3 with openings on both sides, a first elastic clamping mechanism is movably clamped in the clamping groove 3, the top of the first elastic clamping mechanism extends to the upper part of the corresponding mounting pipe 2, the inner wall of one side, close to each other, of each of the two mounting tubes 2 is provided with a first through hole 10, the inner wall of one side, far away from each other, of each of the two mounting boxes 1 is provided with a second through hole, the second through hole is communicated with the corresponding first through hole 10, the bottom of each first elastic clamping mechanism extends into the corresponding first through hole 10 and is fixedly connected with an L-shaped extrusion rod 11, two ends of the filter screen layer 102 are fixedly connected with two fixed blocks 12, the mounting boxes 1 are movably sleeved on the corresponding two fixed blocks 12, the inner wall of the bottom of the filter screen layer 102 is fixedly connected with two fixed rods 13, the ends, far away from each other, of the two fixed rods 13 respectively extend into the corresponding second through holes, the tops of the fixed rods 13 are provided with clamping holes 15, the second elastic clamping mechanisms are movably arranged in the clamping holes 15, the tops of the second elastic clamping mechanisms are fixedly connected with the inner walls of the tops of the corresponding second through holes, the tops, one side, close to each of the two mounting tubes 2, are provided with first grooves 16, one sides, far away from each other, of the two second elastic clamping mechanisms extend into the corresponding first grooves 16 respectively, first through holes are formed in the inner walls of the bottoms of the first grooves 16, the L-shaped extrusion rods 11 are located below the corresponding first through holes and matched with the first through holes, one sides, close to each other, of the two installation pipes 2 are fixedly connected with guide sleeves 19, and the guide sleeves 19 are located in the corresponding second through holes and are sleeved on the second elastic clamping mechanisms in a sliding mode;

the first elastic clamping mechanism comprises clamping blocks 4 movably clamped in corresponding clamping grooves 3, the tops of the clamping blocks 4 extend to the upper side of corresponding mounting pipes 2 and are fixedly connected with cross rods 5, pull heads are fixedly connected to the tops of the cross rods 5, rectangular grooves 6 are formed in the tops of the mounting pipes 2, rectangular rods 7 are fixedly connected to the bottoms of the cross rods 5, the bottom ends of the rectangular rods 7 penetrate through the corresponding rectangular grooves 6 and extend into first through holes 10 and are fixedly connected with the inner walls of the bottoms of L-shaped extrusion rods 11, moving blocks 8 are fixedly connected to the sides, far away from each other, of the two rectangular rods 7, the moving blocks 8 are located in the corresponding rectangular grooves 6, and first springs 9 are fixedly connected between the bottoms of the moving blocks 8 and the inner walls of the bottoms of the corresponding rectangular grooves 6;

the second elastic clamping mechanism comprises clamping rods 14 movably clamped in corresponding clamping holes 15, the top ends of the clamping rods 14 extend to the upper part of corresponding guide sleeves 19 and are fixedly connected with moving rods 17, the guide sleeves 19 are sleeved on the corresponding clamping rods 14 in a sliding manner, the ends, far away from each other, of the two moving rods 17 extend into corresponding first grooves 16 respectively, the moving rods 17 are positioned above the corresponding L-shaped extrusion rods 11 and are matched with the L-shaped extrusion rods 11, second springs 18 are fixedly connected between the tops of the moving rods 17 and the inner walls of the tops of corresponding second through holes, telescopic rubber sleeves are fixedly connected between the tops of the moving rods 17 and the inner walls of the tops of the corresponding second through holes, and the second springs 18 are positioned in the corresponding telescopic rubber sleeves. The subsequent cleaning operation of personnel is facilitated, and the use requirement is met.

In the utility model, first sealing rubber rings are fixedly bonded at two ends of a metal outer cylinder 100, one side of each first sealing rubber ring, which is far away from each other, is respectively in movable contact with the inner wall of one side, which is far away from each other, of each mounting box 1, a second sealing rubber ring is fixedly bonded on the inner wall of one end, which is close to each other, of each mounting tube 2, one side of each second sealing rubber ring, which is far away from each other, is respectively in movable contact with one end, which is close to each other, of each equipment connector 101, a first rectangular hole is formed in the inner wall of the top of each mounting tube 2, the inner wall of each first rectangular hole is in movable contact with the outer side of the corresponding fixture block 4, a second rectangular hole is formed in the inner wall of the bottom of each rectangular groove 6, a sealing rubber is bonded and coated on the outer side of each rectangular rod 7, the outer side of each sealing rubber is in movable contact with the inner wall of the corresponding second rectangular hole, and two slots are formed in the inner walls, which are far away from each mounting box 1, the inner walls of the slots are in movable contact with the outer sides of the corresponding fixed blocks 12, and the front sides and the rear sides of the moving rods 17 are in movable contact with the front side inner walls and the rear side inner walls of the corresponding first slots 16 respectively.

The working principle is as follows: when the sand control screen pipe body is used, when the sand control screen pipe body needs to be taken down from the two equipment connectors 101, the two pull heads are pulled upwards to respectively drive the corresponding cross rods 5 to move upwards, the cross rods 5 drive the corresponding rectangular rods 7 to move upwards, the rectangular rods 7 drive the corresponding movable blocks 8 to slide upwards in the rectangular grooves 6 and stretch the first springs 9, the cross rods 5 move upwards and simultaneously drive the corresponding fixture blocks 4 to move out of the clamping grooves 3, the fixation of the equipment connectors 101 is released, at the moment, the equipment connectors 101 can be pulled in the direction far away from the metal outer cylinder 100 to move out of the corresponding mounting pipes 2, and then the sand control screen pipe body can be taken down from the two equipment connectors 101;

when the sand control screen body needs to be disassembled, the pull head is continuously pulled upwards, so that the rectangular rods 7 continuously move upwards, the rectangular rods 7 drive the corresponding L-shaped extrusion rods 11 to move upwards, the L-shaped extrusion rods 11 move upwards and penetrate through the corresponding first through holes to move into the first grooves 6, the L-shaped extrusion rods 11 move upwards to be in contact with the bottoms of the corresponding movable rods 17, the L-shaped extrusion rods 11 extrude the movable rods 17 to move upwards, the movable rods 17 compress the corresponding telescopic sleeves and the second springs 18 upwards, the movable rods 17 drive the corresponding clamping rods 14 to move out of the clamping holes 15, the fixing of the mounting box 1 is released, at the moment, the mounting box 1 can be moved in the direction far away from the metal outer cylinder 100 to be separated from the two corresponding fixed blocks 12, when the two mounting boxes 1 are separated from the metal outer cylinder 100, the fixed blocks 12 can be pulled from one end to drive the filter screen layer 102 to move out of the metal outer cylinder 100, the removed filter screen layer 102 is convenient for cleaning operation by personnel;

after cleaning, the filter screen layer 102 is sleeved in the metal outer cylinder 100, the two mounting boxes 1 are respectively sleeved at two ends of the metal outer cylinder 100 in the mutually approaching direction, when the mounting boxes 1 are sleeved on the two corresponding fixed blocks 12, the upward partial tension of the pull head is released, at this time, the elastic force of the first spring 9 in the compressed state drives the corresponding moving block 8 to move downwards, the moving block 8 drives the L-shaped extrusion rod 11 to move downwards through the corresponding rectangular rod 7 and releases the extrusion force on the moving rod 17, at this time, the elastic force of the second spring 18 in the compressed state drives the corresponding moving rod 17 to move downwards, the moving rod 17 drives the corresponding clamping rod 14 to move into the clamping hole 15, the clamping rod 14 is clamped with the corresponding clamping hole 15, so that the mounting box 1 is fixed on the metal outer cylinder 100, the mounting pipe 2 is sleeved on the corresponding equipment connector 101, and the tension on the pull head is completely released, the elasticity of the first spring 9 that is in compression state at this moment drives the movable block 8 and continues to move down, the movable block 8 drives the horizontal pole 5 through the rectangle pole 7 that corresponds and moves down, horizontal pole 5 drives the fixture block 4 that corresponds and moves down to in the draw-in groove 3, fixture block 4 clamps with the draw-in groove 3 that corresponds mutually, make installation pipe 2 fixed on the equipment connector 101 that corresponds, the installation is accomplished, make be convenient for realize the dismouting operation to the sand control screen pipe body fast through the mode of simple pulling, and be convenient for realize fast sand control screen pipe body split assembly operation, and the work efficiency is improved.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an oil field exploitation sand control screen convenient to installation, includes sand control screen body, sand control screen body includes metal urceolus (100) and movable sleeve and establishes filter screen layer (102) in metal urceolus (100), a serial communication port, the both ends of metal urceolus (100) are parallel and level with the both ends of filter screen layer (102) respectively, the equal movable sleeve in both ends of metal urceolus (100) is equipped with mounting box (1), the sealed movable contact in both ends with metal urceolus (100) respectively of one side inner wall that two mounting box (1) kept away from each other, one side that two mounting box (1) kept away from each other all fixedly connected with installation pipe (2), the one end that installation pipe (2) is close to corresponding mounting box (1) is established to the shutoff structure, the movable sleeve is equipped with equipment connector (101) in installation pipe (2), draw-in groove (3) that front side and rear side are the opening setting are seted up at the top of equipment connector (101), a first elastic clamping mechanism is movably clamped in the clamping groove (3), the top of the first elastic clamping mechanism extends to the upper side of the corresponding mounting pipe (2), the inner wall of one side, close to each other, of the two mounting pipes (2) is provided with a first through hole (10), the inner wall of one side, far away from each other, of the two mounting boxes (1) is provided with a second through hole, the second through hole is communicated with the corresponding first through hole (10), the bottom of the first elastic clamping mechanism extends into the corresponding first through hole (10) and is fixedly connected with an L-shaped extrusion rod (11), two fixing blocks (12) are fixedly connected with two ends of the filter screen layer (102), the mounting boxes (1) are movably sleeved on the corresponding two fixing blocks (12), two fixing rods (13) are fixedly connected on the inner wall of the bottom of the filter screen layer (102), one ends, far away from each other, of the two fixing rods (13) respectively extend into the corresponding second through holes, card hole (15) have been seted up at the top of dead lever (13), the activity card is equipped with second elasticity and clamps the mechanism in card hole (15), the top that second elasticity clamped the mechanism and the top inner wall fixed connection of the second through-hole that corresponds, first groove (16) have all been seted up at one side top that two installation pipes (2) are close to each other, one side that two second elasticity clamped the mechanism and keep away from each other extends to in corresponding first groove (16) respectively, first perforation has been seted up on the bottom inner wall of first groove (16), L shape extrusion stem (11) are located the first perforated below that corresponds and cooperate with first perforation, equal fixedly connected with uide bushing (19) in one side that two installation pipes (2) are close to each other, uide bushing (19) are located the second through-hole that corresponds and the slip cover is established on second elasticity clamps the mechanism.

2. The sand control screen pipe convenient for oil field exploitation and convenient to install according to claim 1, wherein the first elastic clamping mechanism comprises a clamping block (4) movably clamped in a corresponding clamping groove (3), the top of the clamping block (4) extends to the upper side of a corresponding installation pipe (2) and is fixedly connected with a cross rod (5), the top of the cross rod (5) is fixedly connected with a pull head, the top of the installation pipe (2) is provided with a rectangular groove (6), the bottom of the cross rod (5) is fixedly connected with a rectangular rod (7), the bottom end of the rectangular rod (7) penetrates through the corresponding rectangular groove (6) and extends into the first through hole (10) and is fixedly connected with the inner wall of the bottom of the L-shaped extrusion rod (11), one side of the two rectangular rods (7) away from each other is fixedly connected with a moving block (8), the moving block (8) is located in the corresponding rectangular groove (6), and a first elastic block is fixedly connected between the bottom of the moving block (8) and the inner wall of the bottom of the corresponding rectangular groove (6) A spring (9).

3. The sand control screen for oilfield exploitation convenient to install according to claim 1, wherein the second elastic clamping mechanism comprises clamping rods (14) movably clamped in the corresponding clamping holes (15), the top ends of the clamping rods (14) extend to the upper sides of the corresponding guide sleeves (19) and are fixedly connected with moving rods (17), the guide sleeves (19) are slidably sleeved on the corresponding clamping rods (14), the ends, far away from each other, of the two moving rods (17) respectively extend into the corresponding first grooves (16), the moving rods (17) are positioned above the corresponding L-shaped extrusion rods (11) and are matched with the L-shaped extrusion rods (11), second springs (18) are fixedly connected between the tops of the moving rods (17) and the inner walls of the tops of the corresponding second through holes, and telescopic rubber sleeves are fixedly connected between the tops of the moving rods (17) and the inner walls of the tops of the corresponding second through holes, the second spring (18) is positioned in the corresponding telescopic rubber sleeve.

4. The sand control screen for oilfield exploitation convenient to install according to claim 1, wherein the two ends of the metal outer cylinder (100) are fixedly bonded with first sealing rubber rings, and the sides of the two first sealing rubber rings far away from each other are respectively in movable contact with the inner walls of the sides of the two installation boxes (1) far away from each other.

5. The sand control screen for oilfield exploitation convenient for installation according to claim 1, wherein the inner walls of the ends of the two installation pipes (2) close to each other are fixedly bonded with second sealing rubber rings, and the sides of the two second sealing rubber rings far away from each other are respectively in movable contact with the ends of the two equipment connectors (101) close to each other.

6. The sand control screen pipe for oilfield exploitation convenient to install according to claim 2, wherein a first rectangular hole is formed in the inner wall of the top of the installation pipe (2), the inner wall of the first rectangular hole is in movable contact with the outer side of the corresponding fixture block (4), a second rectangular hole is formed in the inner wall of the bottom of the rectangular groove (6), a sealing rubber is bonded and coated on the outer side of the rectangular rod (7), and the outer side of the sealing rubber is in movable contact with the inner wall of the corresponding second rectangular hole.

7. The sand control screen pipe for oilfield exploitation convenient to install according to claim 1, wherein two slots are respectively formed in the inner walls of the two installation boxes (1) at the sides far away from each other, and the inner walls of the slots are in movable contact with the outer sides of the corresponding fixing blocks (12).

8. An oilfield production sand screen of claim 3, wherein the traveling bar (17) has front and rear sides in movable contact with front and rear inner walls of the corresponding first slot (16), respectively.