Intelligent separated layer water injection device for same-well separated injection technology

Abstract

The utility model belongs to the technical field of separated layer water injection, and particularly relates to an intelligent separated layer water injection device for the same-well separated injection technology, which comprises a main pipe body, a plurality of expansion pipes are fixedly arranged on the side wall of the main pipe body, and a water inlet pipe is fixedly arranged on the inner side wall of the main pipe body. The end, fixedly installed on the inner side wall of the main pipe body, of the water inlet pipe communicates with the interior of the expansion pipe, an electronic valve is fixedly installed on the side wall of the water inlet pipe, a speed reduction pipe is fixedly installed at the top end of the side wall of the water inlet pipe and communicates with the interior of the water inlet pipe, and the bottom end of the speed reduction pipe inclines towards the end away from the electronic valve. The inner side wall of the expansion tube is in an expanded inclined shape; water entering the water inlet pipe through the speed reduction pipe can impact water flowing towards the expansion pipe in the water inlet pipe, the flowing speed of the water in the water inlet pipe is reduced, the inner side wall of the expansion pipe is in an outward expansion inclined shape, the flowing speed of the water is further reduced, and erosion to the inner wall of an oil duct is reduced; the problem that existing water flow impacts the inner wall of an oil duct is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of layered water injection, especially to an intelligent layered water injection device for same-well separate injection technology. BACKGROUND

[0002] After the oil field is put into development, with the increase of the mining time, the oil well yield is greatly reduced due to the continuous decrease of the oil layer pressure, and even the blowout and production may be stopped. At this time, in order to make up for the underground depletion caused by the oil exploitation, maintain and improve the oil layer pressure, and realize the high and stable yield of the oil field, the oil layer must be water injected. The existing layered water injection often uses a water distributor to distribute the water injection amount of each oil layer.

[0003] According to the search, the water well layered water injection control device disclosed in the patent with the publication number CN220849639U includes a main pipe body, a power generation mechanism and a water injection mechanism arranged in the main pipe body, the power generation mechanism includes a main shaft, the main shaft is inserted into upper and lower water distribution plates, the upper and lower water distribution plates are connected with a flow guide pipe one, the upper and lower water distribution plates are provided with water holes, a impeller is installed on the main shaft inside the flow guide pipe one, the upper and lower water distribution plates are respectively connected with an upper shell and a lower shell, a partition plate and a generator are installed in the lower shell, a limiting plate is arranged on the main shaft inside the lower shell, a linear rotary bushing is installed on the partition plate, a spring is arranged between the linear rotary bushing and the limiting plate, the generator is drivingly connected with the main shaft through a transmission member one and a transmission member two, and a linear motor is installed in the upper shell. When the linear motor is elongated, the power transmission between the impeller and the generator is cut off, so that the safe power generation and water injection work are realized through a single water flow channel.

[0004] In the above-mentioned prior art, the water flows outward through the water outlet pipe to be injected by opening the electric control valve. However, in the actual use process, when the water is directly input to the inner wall of the oil well, the oil way inner wall is washed and eroded, and the soil and stone in the oil way inner wall falls off after a long water injection operation. The fallen soil and stone are blocked in the oil well, which affects the normal entry and exit of the water distributor, the packer and other structures. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides an intelligent layered water injection device for same-well separate injection technology. The water entering the water inlet pipe through the speed reducer pipe will impact the water flowing to the expansion pipe inside the water inlet pipe, so as to reduce the flow speed of the water inside the water inlet pipe. The inner wall of the expansion pipe is inclined outward, which further reduces the flow speed of the water, so as to reduce the erosion of the oil way inner wall.

[0006] The technical solution that realizes the utility model discloses the following: the intelligent layered water injection device for the same well separate injection technology, including the main pipe body, the lateral wall of the main pipe body is fixedly installed with a plurality of expansion pipes, the inner lateral wall of the main pipe body is fixedly installed with a water inlet pipe, the water inlet pipe is fixedly installed at one end of the inner lateral wall of the main pipe body and communicates with the inside of the expansion pipe, the lateral wall of the water inlet pipe is fixedly installed with an electronic valve, the top end of the lateral wall of the water inlet pipe is fixedly installed with a speed reduction pipe, the speed reduction pipe communicates with the inside of the water inlet pipe, the bottom end of the speed reduction pipe is inclined to the end away from the electronic valve, the inner lateral wall of the expansion pipe is inclined and expanded.

[0007] In some embodiments, the inner lateral wall of the main pipe body is fixedly installed with a water guide plate, a fixed bearing is fixedly installed at the center position of the bottom wall surface of the water guide plate, a transmission shaft is fixedly installed at the inner lateral wall of the fixed bearing, a driving fan blade is fixedly installed at the lateral wall of the transmission shaft, and a driving magnetic plate is fixedly installed at the bottom end of the lateral wall of the transmission shaft.

[0008] In some embodiments, the inner lateral wall of the main pipe body is fixedly installed with a fixed frame, the lateral wall of the fixed frame is fixedly installed with a mounting shell, and the bottom wall surface of the mounting shell is fixedly installed with a storage battery.

[0009] In some embodiments, the inner lateral wall of the mounting shell is fixedly installed with a generator, the output end of the generator is provided with an electromagnetic plate, and the storage battery is electrically connected with the electromagnetic plate and the electronic valve.

[0010] In some embodiments, the output shaft of the generator is fixedly installed with a gear set, and the electromagnetic plate is fixedly installed at the lateral wall of the output shaft of the gear set.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] Firstly, the utility model discloses the following: the water in the main pipe body can also be sent into the inside of the water inlet pipe through the speed reduction pipe, the bottom end of the speed reduction pipe is inclined to the end away from the electronic valve, so the water in the inside of the water inlet pipe will impact the water flowing in the inside of the expansion pipe, thereby reducing the flow speed of the water in the inside of the water inlet pipe, the inner lateral wall of the expansion pipe is inclined and expanded, so when the water in the inside of the water inlet pipe enters the inside of the expansion pipe, the cross-sectional area of the inside of the expansion pipe gradually increases, the water amount passing through per unit time also increases, the flow speed of the water further reduces, the flow speed of the water is reduced, and the erosion of the oil channel inner wall is reduced.

[0013] Secondly, the utility model discloses, through the battery power supply electromagnetic board, make gear group produce magnetic force, and the water in the process of flowing down through the water guide plate will impact the side wall of the driving fan blade, make the driving fan blade drive the transmission shaft and drive the magnetic plate to rotate, because the electromagnetic board has the magnetic force at this moment, under the influence of magnetism, the electromagnetic board will rotate with the output shaft of the generator driven by the driving magnetic plate, make the generator produce electric current, and store in the inside of battery, complete the charging of battery, when the inside electric quantity of battery is full, the electromagnetic board is powered off, no longer influence between the driving magnetic plate and the electromagnetic board, because the driving magnetic plate and the electromagnetic board do not contact, avoid the water of outside to infiltrate the inside of installation shell, the electrical short circuit condition of the inside of installation shell occurs. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model makes further explanation below combining with the drawing and embodiment:

[0015] Fig. 1 It is the local whole schematic view of the utility model intelligent layered water injection device for the same well separate injection technology;

[0016] Fig. 2 It is the inside structure schematic view of the utility model main pipe body;

[0017] Fig. 3 It is the inside structure schematic view of the utility model installation shell.

[0018] Mark explanation:

[0019] 1, main pipe body, 2, expansion pipe, 3, water inlet pipe, 4, speed reduction pipe, 5, electronic valve, 6, water guide plate, 7, fixed bearing, 8, transmission shaft, 9, driving fan blade, 10, driving magnetic plate, 11, fixed frame, 12, installation shell, 13, battery, 14, generator, 15, gear group, 16, electromagnetic board. DETAILED DESCRIPTION

[0020] The utility model will be described below in detail, and the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0021] The utility model discloses intelligent layered water injection device for the same well separate injection technology through improvement, and the technical scheme of the utility model is:

[0022] For example, Figs. 1-3As shown, the same well separate injection technology uses an intelligent separate layer injection device, which comprises a main pipe body 1, a plurality of expansion pipes 2 are fixedly installed on the side wall of the main pipe body 1, a water inlet pipe 3 is fixedly installed on the inner side wall of the main pipe body 1, the water inlet pipe 3 is fixedly installed at one end of the inner side wall of the main pipe body 1 and communicates with the inside of the expansion pipe 2, and an electronic valve 5 is fixedly installed on the side wall of the water inlet pipe 3; water in the expansion pipe 2 is sent into the inside of the expansion pipe 2 through the water inlet pipe 3, the water passage switch in the water inlet pipe 3 is controlled through the electronic valve 5, so that the water in the water inlet pipe 3 can be outputted outward through the expansion pipe 2; a speed reduction pipe 4 is fixedly installed on the top end of the side wall of the water inlet pipe 3, the speed reduction pipe 4 communicates with the inside of the water inlet pipe 3, the bottom end of the speed reduction pipe 4 is inclined to the end away from the electronic valve 5, and the inner side wall of the expansion pipe 2 is in an expanding inclined shape; in the actual use process, the expansion pipe 2 is communicated with the inside of the oil well channel which needs to be injected, then water is injected into the inside of the main pipe body 1, the water enters the inside of the water inlet pipe 3, the water in the water inlet pipe 3 can be sent into the outside oil well channel through the expansion pipe 2 by controlling the electronic valve 5, the water in the inside of the main pipe body 1 can also be sent into the inside of the water inlet pipe 3 through the speed reduction pipe 4, because the bottom end of the speed reduction pipe 4 is inclined to the end away from the electronic valve 5, so the water entering the inside of the water inlet pipe 3 through the speed reduction pipe 4 will impact the water flowing in the expansion pipe 2, thereby reducing the flow speed of the water in the water inlet pipe 3, and because the inner side wall of the expansion pipe 2 is in an outward expanding inclined shape, so when the water in the water inlet pipe 3 enters the inside of the expansion pipe 2, because the cross-sectional area of the inside of the expansion pipe 2 gradually increases, the water amount passing through per unit time will also increase accordingly, the flow speed of the water is further reduced, and the erosion to the inner wall of the oil channel is reduced by reducing the flow speed of the water.

[0023] As Figs. 1-3As shown, in an embodiment, the inner side wall of the main pipe body 1 is fixedly installed with a water guide plate 6, the bottom wall surface center position of the water guide plate 6 is fixedly installed with a fixed bearing 7, the inner side wall of the fixed bearing 7 is fixedly installed with a transmission shaft 8, the side wall of the transmission shaft 8 is fixedly installed with a drive fan blade 9, the side wall bottom end of the transmission shaft 8 is fixedly installed with a drive magnetic plate 10, the inner side wall of the main pipe body 1 is fixedly installed with a fixed frame 11, the side wall of the fixed frame 11 is fixedly installed with a mounting shell 12, the bottom wall surface of the mounting shell 12 is fixedly installed with a storage battery 13, the inner side wall of the mounting shell 12 is fixedly installed with a generator 14, the output end of the generator 14 is provided with an electromagnetic plate 16, and the storage battery 13 is electrically connected with the electromagnetic plate 16 and the electronic valve 5; by arranging the storage battery 13 inside the main pipe body 1, the electronic valve 5 is conveniently controlled, when the internal electricity of the storage battery 13 is less, the electromagnetic plate 16 is powered by the storage battery 13, so that the electromagnetic plate 16 generates magnetic force, and the water flowing downward through the water guide plate 6 will impact the side wall of the drive fan blade 9, so that the drive fan blade 9 drives the transmission shaft 8 and the drive magnetic plate 10 to rotate together, since the electromagnetic plate 16 has magnetic force at this time, under the influence of magnetism, the electromagnetic plate 16 will drive the output shaft of the generator 14 to rotate with the drive magnetic plate 10, so that the generator 14 generates current and stores in the inside of the storage battery 13, completing the charging of the storage battery 13, when the internal electricity of the storage battery 13 is full, the electromagnetic plate 16 is powered off, and the drive magnetic plate 10 and the electromagnetic plate 16 no longer affect each other, since the drive magnetic plate 10 and the electromagnetic plate 16 do not contact each other, the external water is prevented from penetrating into the inside of the mounting shell 12, so that the electrical short circuit in the inside of the mounting shell 12 is avoided; the output shaft of the generator 14 is fixedly installed with a gear set 15, and the electromagnetic plate 16 is fixedly installed on the side wall of the output shaft of the gear set 15; the gear set 15 amplifies the rotating speed of the electromagnetic plate 16 and outputs on the output shaft of the generator 14 by driving the gear set 15 with the electromagnetic plate 16, so that the power generation efficiency is improved.

[0024] The specific working method is: the expansion pipe 2 is communicated with the inside of the oil well channel needing water injection, then water is injected into the inside of the main pipe body 1, the water can enter the inside of the water inlet pipe 3, the water in the inside of the water inlet pipe 3 can be sent into the outside oil well channel through the expansion pipe 2 by controlling the electronic valve 5, the water in the inside of the main pipe body 1 can also be sent into the inside of the water inlet pipe 3 through the speed reduction pipe 4, since the bottom end of the speed reduction pipe 4 is inclined to the end far away from the electronic valve 5, the water entering the inside of the water inlet pipe 3 through the speed reduction pipe 4 will impact the water flowing in the inside of the water inlet pipe 3 to the expansion pipe 2, thereby reducing the flow speed of the water in the inside of the water inlet pipe 3, and since the inside wall of the expansion pipe 2 is inclined and expands outward, when the water in the inside of the water inlet pipe 3 enters the inside of the expansion pipe 2, since the cross-sectional area in the inside of the expansion pipe 2 gradually increases, the water amount passing through per unit time will also increase accordingly, the flow speed of the water is further reduced, and the erosion to the inner wall of the oil channel is reduced by reducing the flow speed of the water; the inside of the main pipe body 1 is provided with the storage battery 13, the electronic valve 5 is conveniently controlled, when the electric quantity in the inside of the storage battery 13 is small, the electromagnetic plate 16 is powered by the storage battery 13, the electromagnetic plate 16 generates magnetic force, the water flowing downward through the water guide plate 6 will impact the side wall of the driving fan blade 9, the driving fan blade 9 drives the transmission shaft 8 and the driving magnetic plate 10 to rotate, since the electromagnetic plate 16 has magnetic force at this time, under the influence of magnetism, the electromagnetic plate 16 will rotate with the output shaft of the generator 14 driven by the driving magnetic plate 10, the generator 14 generates current and stores in the inside of the storage battery 13, the charging of the storage battery 13 is completed, when the electric quantity in the inside of the storage battery 13 is full, the electromagnetic plate 16 is powered off, the driving magnetic plate 10 and the electromagnetic plate 16 no longer affect each other, since the driving magnetic plate 10 and the electromagnetic plate 16 do not contact each other, the water outside is prevented from entering the inside of the installation shell 12, and the electrical short circuit in the inside of the installation shell 12 is avoided.

[0025] The technical means disclosed by the utility model scheme is not limited to the technical means disclosed by the above technical means, and also includes technical schemes composed by equivalent replacement of the above technical features. The matters not covered by the utility model belong to the common knowledge of the person skilled in the art.

Claims

1. An intelligent zonal injection device for commingled injection technology, comprising a main pipe body (1), characterized in that: The side wall of the main pipe body (1) is fixedly installed with a plurality of expansion pipes (2), the inner side wall of the main pipe body (1) is fixedly installed with a water inlet pipe (3), the water inlet pipe (3) is fixedly installed at one end of the inner side wall of the main pipe body (1) and communicates with the inside of the expansion pipe (2), the side wall of the water inlet pipe (3) is fixedly installed with an electronic valve (5), the side wall top end of the water inlet pipe (3) is fixedly installed with a speed reduction pipe (4), the speed reduction pipe (4) communicates with the inside of the water inlet pipe (3), the bottom end of the speed reduction pipe (4) is inclined to the end away from the electronic valve (5), the inner side wall of the expansion pipe (2) is in the form of an expansion inclined shape.

2. The intelligent separate layer injection device for the same well separate layer injection technology according to claim 1, characterized in that: The inner side wall of the main pipe body (1) is fixedly installed with a water guide plate (6), the bottom wall surface center position of the water guide plate (6) is fixedly installed with a fixed bearing (7), the inner side wall of the fixed bearing (7) is fixedly installed with a transmission shaft (8), the side wall of the transmission shaft (8) is fixedly installed with a driving fan blade (9), the side wall bottom end of the transmission shaft (8) is fixedly installed with a driving magnetic plate (10).

3. The intelligent separate layer injection device for the same well separate layer injection technology according to claim 1, characterized in that: The inner side wall of the main pipe body (1) is fixedly installed with a fixed frame (11), the side wall of the fixed frame (11) is fixedly installed with a mounting shell (12), the bottom wall surface of the mounting shell (12) is fixedly installed with a storage battery (13).

4. The intelligent separate layer injection device for the same well separate layer injection technology according to claim 3, characterized in that: The inner side wall of the mounting shell (12) is fixedly installed with a generator (14), the output end of the generator (14) is provided with an electromagnetic plate (16), the storage battery (13) is electrically connected with the electromagnetic plate (16) and the electronic valve (5).

5. The intelligent separate layer injection device for the same well separate layer injection technology according to claim 4, characterized in that: The output shaft of the generator (14) is fixedly installed with a gear set (15), the electromagnetic plate (16) is fixedly installed on the side wall of the output shaft of the gear set (15).

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