CN212837734U

CN212837734U - Automatic reversing water distributor for separate-layer water injection well

Info

Publication number: CN212837734U
Application number: CN202021549509.9U
Authority: CN
Inventors: 张宇锋; 黄小龙; 王崇俭; 张鹏飞
Original assignee: Nanjing Sanshiyidu Electromechanical Equipment Co ltd
Current assignee: Nanjing Sanshiyidu Electromechanical Equipment Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-03-30
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses an automatic switching-over water injection mandrel of layering water injection well relates to the oil field, including the water injection mandrel body, the both ends water inlet department of water injection mandrel body all is equipped with the filter screen frame, and equal fixed mounting has the filter screen on two filter screen frames, has seted up two restriction holes on the filter screen frame, and two downthehole equal movable mounting of restriction have a bolt piece, have all seted up the bolt groove on the both sides inner wall of water injection mandrel body, and one side that two bolt pieces kept away from each other extends to two bolt inslots respectively. The utility model discloses, through the setting of water injection mandrel body, filtration rack, filter screen, when intaking at the both ends of water injection mandrel body, through the filtration of filter screen, can effectually filter aquatic impurity to impurity that can effectually avoid the aquatic enters into the water injection mandrel originally internally, and then can avoid because of piling up the problem of this internal jam of water injection mandrel that causes of impurity, guaranteed the normal operation of water injection mandrel, satisfied people's demand.

Description

Automatic reversing water distributor for separate-layer water injection well

Technical Field

The utility model relates to the field of petroleum technology, especially, relate to layering water injection well automatic reversing water injection mandrel.

Background

In the initial stage of oil field development, the water-filling operation is performed according to the natural water-absorbing capacity of oil layers with different properties, so that the water-absorbing capacity of the oil layers with different permeability is different by several times to dozens of times, and the injected water is injected into the oil layer in a single-layer burst mode or a planar finger mode.

Through retrieval, the patent with the publication number of CN106437645B discloses an automatic reversing water distributor for a layered water injection well and a use method thereof, and the automatic reversing water distributor is suitable for the layered water injection well of an oil field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a layering water injection well automatic reversing water injection mandrel to the water injection in to the water injection mandrel that proposes among the above-mentioned background of the solution, can't filter intaking, thereby causes the problem of water injection mandrel jam easily.

In order to achieve the above object, the utility model provides a following technical scheme: the automatic reversing water distributor for the layered water injection well comprises a water distributor body, wherein filter net frames are arranged at water inlets at two ends of the water distributor body, filter nets are fixedly arranged on the two filter net frames, two limiting holes are formed in the filter net frames, pin blocks are movably arranged in the two limiting holes, pin grooves are formed in inner walls of two sides of the water distributor body, one sides, away from each other, of the two pin blocks extend into the two pin grooves respectively, two supporting frames are fixedly arranged on the filter net frames, the same mounting block is fixedly arranged on the two supporting frames, a threaded hole is formed in the mounting block, a lead screw is arranged in the threaded hole, a linkage block is movably sleeved at the bottom end of the lead screw, linkage rods are rotatably arranged on two sides of the linkage block respectively, the two linkage rods are rotatably arranged on the two pin blocks respectively, impurities in water can be directly filtered out through the arrangement of the filter nets when water enters the water, and then can avoid impurity to enter into the problem of the jam that causes in the water injection mandrel body, guaranteed the normal operating of water injection mandrel body.

Preferably, a rotating hole is formed in the linkage block, the bottom end of the screw rod extends into the rotating hole, and the screw rod rotates in the rotating hole.

Preferably, the inner wall of the rotating hole is annularly provided with a rotating groove, a rotating block is rotatably installed in the rotating groove, the bottom end of the screw rod is fixedly installed on the top side of the rotating block, and the screw rod drives the linkage block to move through the rotating block when rotating.

Preferably, the equal fixed mounting in both sides of linkage piece has U type frame, and the U type groove has all been seted up to one side that two bolt pieces are close to each other, and the both ends of gangbar extend to respectively and lie in U type groove and the U type frame with one side, and the linkage piece drives two gangbar removals through two U type framves, and two gangbar have and drive two bolt piece removals through two U type grooves.

Preferably, two pin shaft holes are formed in the linkage rod, pin shafts are movably mounted in the two pin shaft holes respectively, the two pin shafts are fixedly mounted in the U-shaped groove and the U-shaped frame respectively, and the linkage rod rotates on the two pin shafts through the two pin shaft holes.

Preferably, the sealing rubber gasket is fixedly arranged on the filter screen frame, the periphery of the sealing rubber gasket is in contact with the peripheral inner wall of the water distributor body, and impurities can be effectively prevented from entering the water distributor body through gaps due to the arrangement of the sealing rubber gasket.

Preferably, the top fixed mounting of lead screw has the rotary disk, and the top side fixed mounting of rotary disk has the crank, through rotating the crank, can make the rotary disk rotate.

The utility model has the advantages that:

the utility model discloses in, through the setting of water injection mandrel body, filtration rack, filter screen, when intaking at the both ends of water injection mandrel body, through the filtration of filter screen, can effectually filter aquatic impurity to impurity that can effectually avoid the aquatic enters into the water injection mandrel originally internally, and then can avoid because of piling up the problem of this internal jam of water injection mandrel that causes of impurity, guaranteed the normal operation of water injection mandrel, satisfied people's demand.

The utility model discloses in, through the setting of support frame, installation piece, screw hole, lead screw, linkage piece, gangbar, bolt piece, restriction hole, bolt groove, rotation hole, swivelling chute, rotatory piece, rotary disk for the filter screen when needs clearance, only need rotate the rotary disk, can make two bolt pieces break away from two bolt grooves, and then make the filter screen can be cleared up by convenient taking out, and then guaranteed the unblocked of filter screen, further assurance the unblocked of water distributor body.

Drawings

Fig. 1 is a schematic structural view of an automatic reversing water distributor of a layered water injection well provided by the utility model;

FIG. 2 is a schematic view of the sectional structure of the automatic reversing water distributor for a separate-zone water injection well according to the present invention;

fig. 3 is a schematic structural view of a portion a in fig. 2 of the automatic reversing water distributor for a stratified water injection well according to the present invention;

fig. 4 is the structural schematic diagram of the filter frame of the automatic reversing water distributor for the separate-layer water injection well of the utility model.

In the figure: 1. a water distributor body; 2. a filter screen frame; 3. a filter screen; 4. a support frame; 5. mounting blocks; 6. a threaded hole; 7. a screw rod; 8. a linkage block; 9. a linkage rod; 10. a latch block; 11. a limiting aperture; 12. a latch slot; 13. rotating the hole; 14. a rotating tank; 15. rotating the block; 16. and rotating the disc.

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.

Referring to fig. 1-4, the automatic reversing water distributor for the layered water injection well comprises a water distributor body 1, wherein water inlets at two ends of the water distributor body 1 are respectively provided with a filter net rack 2, filter nets 3 are respectively fixedly arranged on the two filter net racks 2, two limiting holes 11 are arranged on the filter net racks 2, plug pin blocks 10 are respectively movably arranged in the two limiting holes 11, plug pin grooves 12 are respectively arranged on the inner walls of two sides of the water distributor body 1, one sides, away from each other, of the two plug pin blocks 10 respectively extend into the two plug pin grooves 12, two support frames 4 are fixedly arranged on the filter net racks 2, the same mounting block 5 is fixedly arranged on the two support frames 4, a threaded hole 6 is arranged on the mounting block 5, a screw rod 7 is arranged in the threaded hole 6, a linkage block 8 is movably sleeved at the bottom end of the screw rod 7, linkage rods 9 are respectively rotatably arranged on two sides of the linkage block 8, the two linkage rods 9 are respectively rotatably arranged, through the setting of filter screen 3, when intaking, can directly filter the impurity of intaking, and then can avoid impurity to enter into the problem of the jam that causes in the water injection mandrel body 1, guaranteed the normal operating of water injection mandrel body 1.

The utility model discloses in, seted up on the linkage block 8 and rotated hole 13, the bottom of lead screw 7 extends to and rotates in hole 13, and lead screw 7 rotates in rotating hole 13.

The utility model discloses in, the rotatory groove 14 has been seted up to the annular on the inner wall of rotation hole 13, and rotatory piece 15 is installed to the 14 internal rotations of rotatory groove, and the bottom fixed mounting of lead screw 7 is on the top side of rotatory piece 15, and lead screw 7 drives linkage block 8 through rotatory piece 15 and removes when rotating.

The utility model discloses in, the equal fixed mounting in both sides of linkage piece 8 has U type frame, and the U type groove has all been seted up to one side that two bolt pieces 10 are close to each other, and the both ends of gangbar 9 extend to respectively and lie in a U type groove and U type frame with one side, and linkage piece 8 drives two gangbar 9 through two U type frames and removes, and two gangbar 9 have and drive two bolt pieces 10 through two U type grooves and remove.

The utility model discloses in, seted up two round pin shaft holes on the gangbar 9, equal movable mounting has the round pin axle in two round pin shaft holes, and two round pin axles are fixed mounting respectively in U type groove and U type frame, and gangbar 9 rotates at two round pin epaxial through two round pin shaft holes.

The utility model discloses in, fixed mounting strip sealing rubber pad on the filter screen frame 2, sealing rubber pad contact with the inner wall all around of water injection mandrel body 1 all around, through sealing rubber pad's setting, can effectually avoid impurity to enter into in the water injection mandrel body 1 through the gap.

The utility model discloses in, the top fixed mounting of lead screw 7 has rotary disk 16, and the top side fixed mounting of rotary disk 16 has the crank, through rotating the crank, can be so that rotary disk 16 rotates.

This practical theory of operation:

through the arrangement of the filter screen 3, when water is injected into the water distributor body 1, the inlet water can be effectively filtered, so that impurities are prevented from entering the water distributor body 1, a clean environment is created for parts in the water distributor body 1, the blockage of the water distributor body 1 is avoided, the size and the material of meshes of the filter screen 3 can be flexibly selected according to actual conditions, when the filter screen 3 needs to be cleaned, a crank is rotated, a rotary disc 16 is rotated, the rotary disc 16 drives a screw rod 7 to rotate, the screw rod 7 rotates in a rotary groove 14 through a rotary block 15, the screw rod 7 rotates in a threaded hole 6, the screw rod 7 drives a linkage block 8 to move upwards through the rotary block 15, the linkage block 8 drives two linkage rods 9 to move through two U-shaped frames, the two linkage rods 9 drive two latch blocks 10 to move through two U-shaped grooves, make two bolt pieces 10 to the one side removal that is close to each other, bolt piece 10 horizontal migration in limiting hole 11, break away from with two bolt grooves 12 respectively until two bolt pieces 10, remove rotary disk 16 this moment, can take out filter screen frame 2, and then be convenient for clear up filter screen 3, can be with convenient the installing in water distributor body 1 of filter screen 3 with the same principle.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Layering water injection well automatic reversing injection mandrel, including injection mandrel body (1), its characterized in that: the water distributor is characterized in that filter net racks (2) are arranged at water inlets at two ends of the water distributor body (1), filter nets (3) are fixedly arranged on the two filter net racks (2), two limiting holes (11) are formed in the filter net racks (2), plug blocks (10) are movably arranged in the two limiting holes (11), plug grooves (12) are formed in inner walls of two sides of the water distributor body (1), one sides, far away from each other, of the two plug blocks (10) extend into the two plug grooves (12) respectively, two support frames (4) are fixedly arranged on the filter net racks (2), the same mounting block (5) is fixedly arranged on the two support frames (4), a threaded hole (6) is formed in the mounting block (5), a lead screw (7) is arranged in the threaded hole (6), a linkage block (8) is movably sleeved at the bottom end of the lead screw (7), linkage rods (9) are rotatably arranged on two sides of the linkage block (8), the two linkage rods (9) are respectively and rotatably arranged on the two latch blocks (10).

2. The automatic reversing water distributor for the separate-zone water injection well according to claim 1, is characterized in that: the linkage block (8) is provided with a rotating hole (13), and the bottom end of the screw rod (7) extends into the rotating hole (13).

3. The automatic reversing water distributor for the separate-zone water injection well according to claim 2, is characterized in that: the inner wall of the rotating hole (13) is annularly provided with a rotating groove (14), a rotating block (15) is rotatably mounted in the rotating groove (14), and the bottom end of the screw rod (7) is fixedly mounted on the top side of the rotating block (15).

4. The automatic reversing water distributor for the separate-zone water injection well according to claim 1, is characterized in that: the two sides of the linkage block (8) are fixedly provided with U-shaped frames, one side, close to each other, of the two pin blocks (10) is provided with a U-shaped groove, and two ends of the linkage rod (9) extend into the U-shaped groove and the U-shaped frame on the same side respectively.

5. The automatic reversing water distributor for the separate-zone water injection well according to claim 1, is characterized in that: two pin shaft holes are formed in the linkage rod (9), pin shafts are movably mounted in the two pin shaft holes, and the two pin shafts are fixedly mounted in the U-shaped groove and the U-shaped frame respectively.

6. The automatic reversing water distributor for the separate-zone water injection well according to claim 1, is characterized in that: the filter screen frame (2) is fixedly provided with a sealing rubber gasket, and the periphery of the sealing rubber gasket is in contact with the peripheral inner wall of the water distributor body (1).

7. The automatic reversing water distributor for the separate-zone water injection well according to claim 1, is characterized in that: the top end of the screw rod (7) is fixedly provided with a rotating disc (16), and the top side of the rotating disc (16) is fixedly provided with a crank.