CN221346889U

CN221346889U - Oil field water injection pipeline with controllable water inflow

Info

Publication number: CN221346889U
Application number: CN202323124553.1U
Authority: CN
Inventors: 宁涛; 席萌; 汪昌尧; 高彦斌
Original assignee: Yanchang Oil Field Co Ltd
Current assignee: Yanchang Oil Field Co Ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-07-16
Anticipated expiration: 2033-11-20

Abstract

The utility model discloses an oilfield water injection pipeline with controllable water inflow, which comprises: sealing block, dwang, conical gear, first accuse speed dish, hollow disk and filter screen, the lower extreme of first pipeline is provided with the cartridge filter, and the right side of cartridge filter is provided with the second pipeline, the lower extreme of first pipeline is connected with first flange, and the below of first flange is connected with the second flange to the below of second flange is connected with the cartridge filter, the right side of cartridge filter is connected with the third flange. This controllable oil field water injection pipeline of inflow can be very convenient and carefully regulate and control the size of water yield, can not cause the excessive or too little problem of water injection, has guaranteed the stability of output crude oil mass, and can change the length of pipeline freely, has adapted the condition that needs different length pipelines well to the water of injection can be filtered through filtration system, can not mix too much impurity, and can clear up filtration system very conveniently.

Description

Oil field water injection pipeline with controllable water inflow

Technical Field

The utility model relates to the field of oilfield water injection, in particular to an oilfield water injection pipeline with controllable water inflow.

Background

In the production process of an oil field, as an oil reservoir is deeply buried in a rock pore of several kilometers underground, the oil reservoir has energy in the initial stage of exploitation, and crude oil flows from the pore to the bottom of a production well under the action of the energy of the oil reservoir, so that the crude oil is pumped to the ground by a pump. As the field develops, the reservoir energy is constantly released and the production of the well decreases. In order to prevent the decline of the energy of the oil reservoir, ensure the stable and high yield of the oil well and improve the final recovery ratio, water is injected into the oil reservoir, the energy of the oil reservoir is timely supplemented through water injection, and the crude oil in the rock pores is displaced by water. Therefore, there is a need for an oilfield water injection line with a controlled water inflow that can sufficiently inject water into the oilfield to obtain more oil.

The water injection pipeline of the existing oil field is difficult to reasonably control the water quantity, the water quantity is insufficient or the water quantity is overlarge easily, great influence is caused on the output of crude oil, longer pipelines are required to be customized again under the condition that the pipeline is not long enough, time and financial resources are wasted, tap water is directly used, impurities are easy to dope, the crude oil quality is poor, and a filtering system is difficult to clean.

Therefore, we propose an oilfield water injection pipeline with a controllable water inflow so as to solve the problems set forth above.

Disclosure of utility model

The utility model aims to provide an oilfield water injection pipeline with controllable water inflow, which aims to solve the problems that the water inflow is difficult to reasonably control, the water inflow is insufficient or the water inflow is too large, the production of crude oil is greatly influenced, a longer pipeline is required to be customized again under the condition that the pipeline is not long enough, time and financial resources are wasted, tap water is directly used, impurities are easy to dope, the crude oil quality is poor, and a filtering system is difficult to clean.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an oil field water injection pipeline with a controllable water inflow, comprising: the device comprises a sealing block, a rotating rod, a conical gear, a first speed control disc, a hollow disc and a filter screen, wherein a filter cartridge is arranged at the lower end of the first pipeline, and a second pipeline is arranged on the right side of the filter cartridge;

Further comprises:

The lower end of the first pipeline is connected with a first flange, the lower part of the first flange is connected with a second flange, the lower part of the second flange is connected with a filter cartridge, the right side of the filter cartridge is connected with a third flange, the right side of the third flange is connected with a fourth flange, and the right side of the fourth flange is connected with a second pipeline;

the fixed block is fixed on the right side wall of the first pipeline, the sealing blocks are arranged at the left end and the right end of the upper side and the lower side of the inside of the fixed block, the middle part of the fixed block is penetrated with a rotating rod, the left end of the rotating rod is provided with a bevel gear, the middle part of the first pipeline is provided with a first speed control disc, the surface of the first speed control disc is provided with an opening, the middle part of the first speed control disc is provided with a rotating shaft, and the lower part of the first speed control disc is provided with a second speed control disc;

The special-shaped groove, the inside of cartridge filter is provided with hollow dish, and all has seted up special-shaped groove in the left and right sides wall of hollow dish to the middle part in special-shaped groove runs through there is the fixture block, and the outside of fixture block is provided with the spring moreover, and the outside of spring is provided with the separation blade moreover, be provided with the extrusion dish in the inside fluting of hollow dish, and the inside of hollow dish is provided with the filter screen.

Preferably, the first flange is connected with the second flange through bolts, the third flange is connected with the fourth flange through bolts, the first flange is tightly attached to the second flange, and the third flange is tightly attached to the fourth flange.

Preferably, the top of the sealing block protrudes out of the slot in the fixed block, the top of the sealing block is attached to the outer wall of the rotating rod in the slot of the fixed block, and the rotating rod is connected with the slot of the fixed block in a rotating way.

Preferably, the bevel gear and the first speed control disc are arranged in a vertical state, the bevel gear is meshed with the edge of the first speed control disc, and the holes are formed in the surface of the first speed control disc in an equidistant annular array.

Preferably, the second speed control disc is consistent with the first speed control disc in size, the surface of the second speed control disc is provided with holes, the holes in the first speed control disc and the second speed control disc are correspondingly arranged, the rotary shaft is in rotary connection with the middle grooves of the second speed control disc through bearings, and the protruding blocks on two sides of the second speed control disc are in circular arc-shaped overlooking cross sections.

Preferably, the special-shaped groove is arranged in a convex shape, the cross-sectional dimension of the narrow end of the special-shaped groove is smaller than that of the spring, the clamping block is connected with the groove on the inner wall of the filter cylinder in a clamping manner, and the convex blocks on the left side and the right side of the extrusion disc are arranged in a central symmetry manner.

Compared with the prior art, the utility model has the beneficial effects that: the oil field water injection pipeline with controllable water inflow can regulate and control the water amount very conveniently and carefully, the problem of excessive or insufficient water injection is avoided, the stability of the produced crude oil amount is ensured, the length of the pipeline can be freely changed, the condition of pipelines with different lengths is well adapted, the injected water can be filtered through the filtering system, excessive impurities are not doped, and the filtering system can be cleaned very conveniently;

1. The first flange, the second flange, the third flange and the fourth flange are arranged, the first flange is connected with the second flange through bolts, the third flange is connected with the fourth flange through bolts, the first flange is tightly attached to the second flange, the first flange is connected with the first pipeline and the filter cartridge, the third flange is connected with the filter cartridge and the second pipeline, so that the filter cartridge is tightly attached to the second pipeline without water leakage, the first flange, the second flange, the third flange and the fourth flange can be freely detached and installed, the length of the pipeline can be shortened or lengthened, various scenes can be conveniently coped with, and the device is very convenient;

2. The sealing device comprises a fixed block, a sealing block, a rotating rod, a conical gear, a first speed control disc, an opening, a rotating shaft, a second speed control disc and a hollow disc, wherein the top end of the sealing block protrudes out of a slot in the fixed block, the top end of the sealing block is attached to the outer wall of the rotating rod in the slot of the fixed block, the rotating rod is in rotary connection with the slot of the fixed block, the conical gear is arranged in a vertical state with the first speed control disc, the conical gear is meshed with the edge of the first speed control disc, the opening is formed in an equidistant annular array on the surface of the first speed control disc, the second speed control disc is consistent with the first speed control disc in size, the surface of the second speed control disc is also provided with the opening, the openings on the first speed control disc and the second speed control disc are correspondingly arranged, the rotary shaft is rotationally connected with the middle slotting of the second speed control disc through a bearing, the convex blocks on the two sides of the second speed control disc are in arc-shaped overlook cross sections, the sealing blocks arranged in the fixing blocks can perform good wrapping function on the rotary rod, good sealing performance is achieved, water in the first pipeline can be prevented from flowing out, the rotary rod drives the bevel gear to rotate, the first speed control disc is driven to rotate due to meshing function, the second speed control disc is kept still, the area of the corresponding positions of the openings on the first speed control disc and the second speed control disc is changed, accordingly water inlet and outlet quantity is controlled, water quantity can be controlled slowly, water quantity is not increased or reduced suddenly, and the stability of crude oil output is guaranteed;

3. Be provided with special-shaped groove, the fixture block, the spring, the separation blade, extrusion dish and filter screen, special-shaped groove is "protruding" font setting, and the cross-sectional dimension of special-shaped groove narrow end is less than the cross-sectional dimension of spring, and the fixture block constitutes the block with fluting on the cartridge filter inner wall and is connected, extrusion dish left and right sides's lug is central symmetry setting moreover, when need dismantle or install filtration part, dismantle the cartridge filter alone and take off, rotate extrusion dish below the lug that stretches out, make extrusion dish both sides' lug extrude the fixture block, make the fixture block slide in special-shaped groove, make the outer end of fixture block break away from or the block in the fluting of cartridge filter inner wall, thereby take hollow dish, the separation blade, extrusion dish and filter screen, make change and install more convenient.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic top view of the first and second speed control discs according to the present utility model;

Fig. 4 is a schematic top view of the hollow disk of the present utility model.

In the figure: 1. a first pipe; 2. a filter cartridge; 3. a second pipe; 4. a first flange; 5. a second flange; 6. a third flange; 7. a fourth flange; 8. a fixed block; 9. a sealing block; 10. a rotating lever; 11. a bevel gear; 12. a first speed control disc; 13. opening holes; 14. a rotating shaft; 15. a second speed control disc; 16. a hollow disc; 17. a special-shaped groove; 18. a clamping block; 19. a spring; 20. a baffle; 21. an extrusion plate; 22. and (5) a filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the filter comprises a first pipeline 1, a filter cartridge 2, a second pipeline 3, a first flange 4, a second flange 5, a third flange 6, a fourth flange 7, a fixed block 8, a sealing block 9, a rotating rod 10, a bevel gear 11, a first speed control disc 12, an opening 13, a rotating shaft 14, a second speed control disc 15, a hollow disc 16, a special-shaped groove 17, a clamping block 18, a spring 19, a baffle 20, a pressing disc 21 and a filter screen 22.

As shown in fig. 1 and 2, the lower end of the first pipe 1 is provided with a filter cartridge 2, and the right side of the filter cartridge 2 is provided with a second pipe 3, the lower end of the first pipe 1 is connected with a first flange 4, and the lower part of the first flange 4 is connected with a second flange 5, and the lower part of the second flange 5 is connected with the filter cartridge 2, the right side of the filter cartridge 2 is connected with a third flange 6, and the right side of the third flange 6 is connected with a fourth flange 7, and the right side of the fourth flange 7 is connected with a second pipe 3, the first flange 4 is connected with the second flange 5 through bolts, and the third flange 6 is connected with the fourth flange 7 through bolts, and the first flange 4 is tightly attached to the second flange 5, the first pipe 1 is connected with the filter cartridge 2, the third flange 6 is tightly attached to the fourth flange 7, the filter cartridge 2 is tightly watertight, and the first flange 4, the second flange 5, the third flange 6, and the fourth flange 7 are freely detachable and the fourth flange 7 are detachably attached, and the length can be shortened or can be easily and conveniently attached;

As shown in fig. 1, 2 and 3, a fixed block 8 is fixed on the right side wall of the first pipeline 1, a sealing block 9 is arranged at the left and right ends of the upper side and the lower side of the inside of the fixed block 8, a rotating rod 10 penetrates through the middle part of the fixed block 8, a bevel gear 11 is arranged at the left end of the rotating rod 10, a first speed control disc 12 is arranged at the middle part of the first pipeline 1, an opening 13 is arranged on the surface of the first speed control disc 12, a rotating shaft 14 is arranged at the middle part of the first speed control disc 12, a second speed control disc 15 is arranged below the first speed control disc 12, the top end of the sealing block 9 protrudes out of a slot in the fixed block 8, the top end of the sealing block 9 is jointed with the outer wall of the rotating rod 10 positioned in the slot of the fixed block 8, the rotating rod 10 is connected with the slot of the fixed block 8 in a rotating way, the bevel gear 11 is arranged in a vertical state with the first speed control disc 12, the bevel gear 11 is meshed with the edge of the first speed control disc 12, the holes 13 are formed in the surface of the first speed control disc 12 in an equidistant annular array, the second speed control disc 15 is consistent with the first speed control disc 12 in size, the holes 13 are formed in the surface of the second speed control disc 15, the first speed control disc 12 and the holes 13 on the second speed control disc 15 are correspondingly arranged, the rotating shaft 14 and the middle grooves of the second speed control disc 15 are rotatably connected through bearings, the convex block top cross sections of the two sides of the second speed control disc 15 are arranged in an arc shape, the sealing blocks 9 arranged in the fixed blocks 8 can perform good wrapping effect on the rotating rod 10 and have good sealing performance, water in the first pipeline 1 can be prevented from flowing out, the rotating rod 10 drives the bevel gear 11 to rotate due to the meshing effect, the first speed control disc 12 is driven to rotate, the second speed control disc 15 is kept motionless, the areas of the corresponding positions of the openings 13 on the first speed control disc 12 and the second speed control disc 15 are changed, so that the water inlet and outlet amount is controlled, the water amount can be controlled slowly, the water amount is not increased or reduced suddenly, and the stability of the crude oil yield is ensured;

As shown in fig. 1, fig. 2 and fig. 4, the inside of cartridge filter 2 is provided with hollow dish 16, and all offer special-shaped groove 17 in the left and right sides wall of hollow dish 16, and the middle part in special-shaped groove 17 is run through and is had fixture block 18, and the outside of fixture block 18 is provided with spring 19, and the outside of spring 19 is provided with separation blade 20, be provided with extrusion disk 21 in the inside fluting of hollow dish 16, and the inside of hollow dish 16 is provided with filter screen 22, special-shaped groove 17 is "protruding" font setting, and the cross-sectional dimension of special-shaped groove 17 narrow end is less than the cross-sectional dimension of spring 19, and the fixture block 18 constitutes the block with the fluting on the cartridge filter 2 inner wall and is connected, and the lug of extrusion disk 21 left and right sides is central symmetry setting, when dismantling or installing the filtration part alone, rotate the lug that extrudes 21 below, make the lug that extrudes 21 both sides to extrude fixture block 18, make extrusion disk 18 slide in special-shaped groove 17, make the outer end of fixture block 18 break away from or block in the fluting of cartridge filter 2 inner wall, thereby with hollow dish 16, separation blade 20, separation blade 21 and 22 and change filter screen, it is more convenient to take and install.

This is the whole working process of the oilfield water injection pipeline with controllable water inflow, and the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. An oil field water injection pipeline with a controllable water inflow, comprising: the device comprises a sealing block (9), a rotating rod (10), a conical gear (11), a first speed control disc (12), a hollow disc (16) and a filter screen (22), wherein the lower end of a first pipeline (1) is provided with a filter cartridge (2), and the right side of the filter cartridge (2) is provided with a second pipeline (3);

characterized by further comprising:

The device comprises a first flange (4), wherein the lower end of a first pipeline (1) is connected with the first flange (4), a second flange (5) is connected below the first flange (4), a filter cartridge (2) is connected below the second flange (5), a third flange (6) is connected to the right side of the filter cartridge (2), a fourth flange (7) is connected to the right side of the third flange (6), and a second pipeline (3) is connected to the right side of the fourth flange (7);

The fixed block (8), be fixed with fixed block (8) on the right side wall of first pipeline (1), and the inside upper and lower side left and right sides end of fixed block (8) all is provided with sealing block (9), and the middle part of fixed block (8) runs through has dwang (10), and the left end of dwang (10) is provided with conical gear (11), the middle part of first pipeline (1) is provided with first speed control dish (12), and trompil (13) have been seted up on the surface of first speed control dish (12), and the middle part of first speed control dish (12) is provided with pivot (14), and the below of first speed control dish (12) is provided with second speed control dish (15);

The special-shaped groove (17), the inside of cartridge filter (2) is provided with hollow dish (16), and all offered special-shaped groove (17) in the left and right sides wall of hollow dish (16) to the middle part of special-shaped groove (17) is run through and is had fixture block (18), and the outside of fixture block (18) is provided with spring (19) moreover, and the outside of spring (19) is provided with separation blade (20), be provided with extrusion disc (21) in the inside fluting of hollow dish (16), and the inside of hollow dish (16) is provided with filter screen (22).

2. The water injection pipeline for an oil field with controllable water inflow according to claim 1, wherein: the first flange (4) is connected with the second flange (5) through bolts, the third flange (6) is connected with the fourth flange (7) through bolts, the first flange (4) is tightly attached to the second flange (5), and the third flange (6) is tightly attached to the fourth flange (7).

3. The water injection pipeline for an oil field with controllable water inflow according to claim 1, wherein: the top of the sealing block (9) protrudes out of a slot in the fixed block (8), the top of the sealing block (9) is attached to the outer wall of the rotating rod (10) in the slot of the fixed block (8), and the rotating rod (10) is connected with the slot of the fixed block (8) in a rotating way.

4. The water injection pipeline for an oil field with controllable water inflow according to claim 1, wherein: the bevel gear (11) is arranged in a vertical state with the first speed control disc (12), the bevel gear (11) is meshed with the edge of the first speed control disc (12), and the holes (13) are formed in the surface of the first speed control disc (12) in an equidistant annular array.

5. The water injection pipeline for an oil field with controllable water inflow according to claim 1, wherein: the second speed control disc (15) is consistent with the first speed control disc (12), the surface of the second speed control disc (15) is provided with the holes (13), the holes (13) on the first speed control disc (12) and the second speed control disc (15) are correspondingly arranged, the rotary shaft (14) is rotatably connected with the middle slotting of the second speed control disc (15) through the bearing, and the protruding blocks on two sides of the second speed control disc (15) are in circular arc-shaped overlook cross sections.

6. The water injection pipeline for an oil field with controllable water inflow according to claim 1, wherein: the special-shaped groove (17) is arranged in a convex shape, the cross-sectional size of the narrow end of the special-shaped groove (17) is smaller than that of the spring (19), the clamping block (18) is connected with a groove on the inner wall of the filter cartridge (2) in a clamping manner, and the protruding blocks on the left side and the right side of the pressing plate (21) are arranged in a central symmetry manner.