CN220599785U

CN220599785U - Wave code communication underground intelligent water distributor

Info

Publication number: CN220599785U
Application number: CN202420182383.8U
Authority: CN
Inventors: 孟栋轩; 韩煜; 王垒; 杨景臣; 田普峰; 乔波; 惠宝平; 张妮妮; 赵国荣; 王庆锋
Original assignee: Xi'an Changqing Oil Gas Construction Industrial Co ltd
Current assignee: Xi'an Changqing Oil Gas Construction Industrial Co ltd
Priority date: 2024-01-25
Filing date: 2024-01-25
Publication date: 2024-03-15
Anticipated expiration: 2034-01-25

Abstract

The utility model discloses an underground intelligent water distributor with wave code communication, which comprises a sleeve, an upper connector, a lower connector, a water nozzle, a driving motor, a controller and a detection power supply assembly, wherein the upper connector and the lower connector are respectively arranged at the top end and the bottom end of the sleeve, the upper connector and the lower connector are detachably connected with the sleeve, a through flow channel, a mounting cavity and a water injection flow channel are arranged in the sleeve, the through flow channel penetrates through the sleeve, the top ends of the mounting cavity and the water injection flow channel are opened, and the mounting cavity is communicated with the bottom end of the water injection flow channel; the water nozzle comprises a flow guide column and a sealing plug, the flow guide column is arranged at the bottom end of the installation cavity, and a water filling port is arranged between the Ji Daoliu column and the sealing plug on the side surface of the sleeve; the driving motor is arranged in the mounting cavity, the output end of the driving motor is connected with the sealing plug, and the driving motor can drive the sealing plug to move back and forth in the mounting cavity; the controller is installed inside the installation cavity and connected with the driving motor.

Description

Wave code communication underground intelligent water distributor

Technical Field

The utility model relates to the technical field of oil gas development, in particular to a wave code communication underground intelligent water distributor.

Background

When oil gas is extracted along with the continuous extraction of oil gas, the pressure in the oil gas well is gradually reduced, so that the viscosity of crude oil is increased, and finally the oil gas extraction difficulty is increased. Therefore, in the process of oil and gas exploitation, underground water injection is needed to maintain underground pressure, so that the exploitation efficiency of oil and gas can be improved. The water injection needs to be carried out in a separated layer when the underground water is injected, and the water distributor is used when the underground water is injected, so that the water is injected according to different conditions of each layer. The conventional water distributor is connected with a control system on the ground through a cable, but the cable is connected with a plurality of inconveniences, such as interference of a sucker rod and limitation of wellhead pressure.

A mode of wireless communication has now emerged, and the water distributor in the pit can be wireless controlled by the communication of ripples sign indicating number. For example, chinese patent grant publication No. CN216110669U discloses a layered water injection actuating mechanism of ripples sign indicating number communication control, including pressure sensor, pressure sensor's left end connection is provided with main control circuit, main control circuit's upper end connection is provided with high temperature direct current motor unit, high temperature direct current motor unit's right-hand member connection is provided with the rigid coupling, the right-hand member of rigid coupling is provided with the bearing housing, the inside left end of bearing housing is provided with first bearing retainer ring, the inside right-hand member of bearing housing is provided with the transmission lead screw, and the shafting adopts super high strength steel simultaneously, has higher fatigue limit and anti multiple impact ability after the thermal refining, guarantees that equipment operation is more stable, and through ground equipment and pressure wave-flow wave communication to the automatic survey of whole well layered water injection, total water injection volume realizes constant current automatic regulation and control.

The above patent essentially provides a water distributor for split-level water injection, which is connected to an above-ground control system by means of wave code communication. The underground separate layer water injection is needed to be connected with a plurality of water distributors, and each water distributor is communicated, so that water flow can flow into each water distributor conveniently. However, due to the complex structure of the existing water distributors, the internal structure of the water distributors can influence the flow of water among the water distributors, and the water distributors can be blocked or internal parts can be damaged when serious, so that underground water injection is influenced.

Disclosure of Invention

The utility model aims to provide an underground intelligent wave code communication water distributor, which aims to solve the problems that the internal structure of the existing water distributor can influence the circulation of water flow between water distributors due to complex structure and the water distributor is possibly blocked or internal parts are damaged when serious.

The utility model is realized in the following way:

the utility model provides a wave code communication is intelligent water injection mandrel in pit, includes sleeve pipe, upper connector and lower connector are installed respectively to sleeve pipe top and bottom, upper connector and lower connector are connected with the sleeve pipe can be dismantled, the inside logical runner that is equipped with of sleeve pipe, installation cavity and water injection runner, logical runner runs through the sleeve pipe, installation cavity and water injection runner top opening, installation cavity and water injection runner bottom communicate with each other;

the water nozzle comprises a flow guide column and a sealing plug, the flow guide column is arranged at the bottom end of the installation cavity, and a water filling port is arranged between the Ji Daoliu column and the sealing plug on the side face of the sleeve;

the driving motor is arranged in the installation cavity, the output end of the driving motor is connected with the sealing plug, and the driving motor can drive the sealing plug to move back and forth in the installation cavity;

the controller is arranged in the installation cavity and is connected with the driving motor;

the detection power supply assembly is connected with the controller and is used for supplying power to the whole water distributor and detecting water injection pressure and water injection flow of the water distributor.

Preferably, a plurality of positioning bolts are arranged at the positions of the sleeve side surface aligned with the mounting cavity and used for positioning the positions of the driving motor and the controller; the sleeve is characterized in that connecting grooves are formed in the top end and the bottom end of the sleeve, the connecting grooves are used for installing the upper connector and the lower connector, a limiting ring is arranged at the position, close to the top end, of the inner side of the water injection flow channel, a plurality of sealing grooves are formed in the inner side face of the installation cavity along the lower portion of the water injection port, the sealing grooves are used for installing the water nozzle, and through holes are formed between the installation cavity and the bottom end of the water injection flow channel.

Preferably, the bottom end of the upper connector is provided with a first switching ring, the top end of the lower connector is provided with a second switching ring, the first switching ring and the second switching ring are used for being connected with two ends of the sleeve, the bottom end of the lower connector is provided with an external ring, and the external ring is used for being connected with a downhole water pipe.

Preferably, the side surface of the flow guiding column is uniformly provided with a plurality of sealing rings from top to bottom, the middle part of the flow guiding column is symmetrically provided with two water passing holes, the cross section of each water passing hole is triangular, the top end of the flow guiding column is provided with a notch, and the notch is used for being connected with a sealing plug.

Preferably, the top of the sealing plug is provided with a mounting connector, the top of the mounting connector is provided with a mounting groove for being connected with the output end of the driving motor, the side surface of the mounting connector is provided with a jackscrew for stably fixing the sealing plug at the output end of the driving motor, the bottom of the sealing plug is provided with a conical sealing head, and the conical sealing head is used for being inserted into the inner side of the notch to seal the flow guiding column.

Preferably, the top end of the driving motor is provided with a communication slot for being connected with the controller, the output end of the driving motor is provided with a driving rod, the bottom end of the driving rod is provided with an inserting block, and the inserting block is used for being connected with the sealing plug.

Preferably, the bottom end of the controller is provided with a communication plug which is used for being connected with the communication slot, the top end of the controller is provided with a wire, the end part of the wire is provided with a plug connector, and the wire is matched with the plug connector and is used for connecting the controller with the detection power supply assembly.

Preferably, the detection power supply assembly comprises a battery, a flowmeter and a pressure sensor, wherein the battery is arranged at the top of the inner side of the installation cavity, the flowmeter and the pressure sensor are communicated, and the flowmeter and the pressure sensor are arranged inside the water injection flow channel and used for detecting water injection quantity and water injection pressure.

Preferably, the bottom end of the battery is provided with a plugging groove, the top end of the battery is provided with an adapter for being connected with the mounting cavity, the top end of the adapter is provided with a limiting end plate for being pressed at the top end opening of the mounting cavity to ensure stable and sealed mounting of the battery, and the upper surface of the limiting end plate is provided with a hexagonal joint for dismounting the battery; the inside of the flowmeter is provided with a communication supporting plate, the communication supporting plate is used for installing a pressure sensor, the top of the flowmeter is provided with a disassembly and assembly joint for disassembly and assembly of the flowmeter, and the flowmeter is connected with a battery through a communication line and used for guaranteeing that the flowmeter and the pressure sensor have electricity supply.

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

1. the utility model is provided with the through flow channels, the water injection flow channels and the installation cavities respectively in the casing, the through flow channels are used for ensuring that water between underground water distributors can flow smoothly and orderly in underground layered water injection, the water injection flow channels and the installation cavities are used for installing various components of the water distributors, and water flow can be led out from the water distributors under the action of the water injection flow channels so as to achieve the purpose of water injection and ensure the purpose of effective layered water injection underground.

2. The upper connector and the lower connector at the top and the bottom of the sleeve can be quickly disassembled and assembled, so that connectors of different types can be conveniently replaced according to use requirements.

Drawings

FIG. 1 is a schematic view of the overall exterior of the present utility model;

FIG. 2 is a schematic view of the overall internal structure of the present utility model;

FIG. 3 is a schematic view of the structure of the sleeve of the present utility model;

FIG. 4 is a schematic view of the structure of the upper connector of the present utility model;

FIG. 5 is a schematic view of the structure of the lower connector of the present utility model;

FIG. 6 is a schematic view of the structure of the water nozzle of the present utility model;

FIG. 7 is a schematic view of the structure of the driving motor of the present utility model;

FIG. 8 is a schematic diagram of the controller of the present utility model;

fig. 9 is a schematic structural view of the detection power supply assembly of the present utility model.

In the figure: 1. a sleeve; 10. positioning bolts; 11. a connecting groove; 12. a through flow channel; 13. a mounting cavity; 14. a water injection runner; 141. a limiting ring; 15. a water filling port; 16. sealing grooves; 17. a through-flow hole; 2. an upper connector; 21. a first adapter ring; 3. a lower connector; 31. a second adapter ring; 32. an external ring; 4. a water tap; 41. a flow guiding column; 411. a seal ring; 412. a notch; 413. a water passing hole; 42. sealing; 421. installing a joint; 422. a mounting groove; 423. a jackscrew; 424. conical end socket; 5. a driving motor; 51. a communication slot; 52. a driving rod; 521. a plug block; 6. a controller; 61. a communication plug; 62. a wire; 63. a plug; 7. detecting a power supply assembly; 71. a battery; 711. a plug-in groove; 712. an adapter; 713. a limiting end plate; 714. a hexagonal joint; 72. a flow meter; 721. a communicating supporting plate; 722. disassembling and assembling the joint; 723. a communication line; 73. a pressure sensor.

Detailed Description

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following is further described with reference to the drawings and detailed description:

example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 6, an underground intelligent wave code communication water distributor comprises a sleeve 1, an upper connector 2, a lower connector 3, a water nozzle 4, a driving motor 5, a controller 6 and a detection power supply assembly 7, wherein the upper connector 2 and the lower connector 3 are respectively arranged at the top end and the bottom end of the sleeve 1, the upper connector 2 and the lower connector 3 are detachably connected with the sleeve 1, and the upper connector 2 and the lower connector 3 are matched for connecting the water distributor with adjacent water pipes or water distributors. The inside of the sleeve 1 is provided with a through flow channel 12, a mounting cavity 13 and a water injection flow channel 14, wherein the through flow channel 12 penetrates through the sleeve 1 and is used for circulating water between adjacent water distributors. The top ends of the installation cavity 13 and the water injection flow channel 14 are open, and the installation cavity 13 is communicated with the bottom end of the water injection flow channel 14, so that water flow can conveniently enter the installation cavity 13 through the water injection flow channel 14 and flow out. The water nozzle 4 comprises a flow guide column 41 and a sealing plug 42, the flow guide column 41 is arranged at the bottom end of the installation cavity 13, and a water filling port 15 is arranged between the Ji Daoliu column 41 and the sealing plug 42 on the side surface of the sleeve 1; the water filling port 15 is used for facilitating water to flow out of the water distributor through the sleeve 1, so as to achieve the purpose of water filling. The guide post 41 is convenient to block at the bottom end of the installation cavity 13, and the guide post 41 is convenient to block the water injection port 15 by being matched with the sealing plug 42. The driving motor 5 is arranged in the mounting cavity 13, the output end of the driving motor 5 is connected with the sealing plug 42, and the driving motor 5 can drive the sealing plug 42 to move back and forth in the mounting cavity 13; this structure allows the stopper 42 to be opened to allow water to flow out of the water filling port 15, and also allows the water filling port 15 to be blocked. The controller 6 is arranged in the installation cavity 13 and is connected with the driving motor 5; the detection power supply assembly 7 is connected with the controller 6, and the detection power supply assembly 7 is used for supplying power to the whole water distributor and is also used for detecting water injection pressure and water injection flow of the water distributor.

As shown in fig. 9, the detection power supply assembly 7 includes a battery 71, a flow meter 72 and a pressure sensor 73, the battery 71 is mounted on the inside top of the mounting chamber 13, the flow meter 72 and the pressure sensor 73 are communicated, and the flow meter 72 and the pressure sensor 73 are mounted inside the water injection flow passage 14 for detecting the water injection amount and the water injection pressure. The bottom end of the battery 71 is provided with a plugging groove 711, the top end of the battery 71 is provided with an adapter 712 for being connected with the mounting cavity 13, the top end of the adapter 712 is provided with a limiting end plate 713 for being pressed at the top end opening of the mounting cavity 13 to ensure stable and sealed mounting of the battery 71, and the upper surface of the limiting end plate 713 is provided with a hexagonal joint 714 for dismounting the battery 71; the inside of the flowmeter 72 is provided with a communication supporting plate 721, the communication supporting plate 721 is used for installing the pressure sensor 73, the top of the flowmeter 72 is provided with a disassembly and assembly joint 722 for disassembly and assembly of the flowmeter 72, and the flowmeter 72 is connected with the battery 71 through a communication line 723 for ensuring that the flowmeter 72 and the pressure sensor 73 have electric quantity supply.

Working principle: when the water distributors are connected with the water pipes, as the through flow channels 12 do not interfere with other structures when the water distributors are connected with the water pipes, water flow can flow smoothly between the water pipes and the water distributors, after the motor receives a water injection signal, the motor can drive the sealing plug 42 to move upwards, so that the water flows out of the water distributors through the water guide columns and through the water injection ports 15, the purpose of water injection is achieved, when the flow meter 72 and the pressure sensor 73 sense water pressure and water quantity, the requirements of the water quantity meet the use requirements, signals can be fed back to the terminal, and the terminal controls the motor to plug the sealing plug 42 on the water guide columns. Compared with the prior art, the through flow channel 12, the water injection flow channel 14 and the installation cavity 13 are respectively arranged in the casing 1, the through flow channel 12 is used for ensuring that water between underground water distributors can flow smoothly, orderly underground layered water injection is ensured, the water injection flow channel 14 and the installation cavity 13 are used for installing various components of the water distributors, and water flow can be led out from the water distributors under the action of the water injection flow channel 14, so that the purpose of water injection is achieved, and the purpose of effective layered water injection underground is ensured.

Example 2

As shown in fig. 3, a plurality of positioning bolts 10 are arranged at the side surface of the sleeve 1 and aligned with the mounting cavity 13 for positioning the driving motor 5 and the controller 6, connecting grooves 11 are arranged at the top end and the bottom end of the sleeve 1, the connecting grooves 11 are used for mounting the upper connector 2 and the lower connector 3, a limiting ring 141 is arranged at the position, close to the top end, of the inner side of the water injection flow channel 14, a plurality of sealing grooves 16 are arranged at the inner side surface of the mounting cavity 13 along the lower part of the water injection port 15 and used for mounting the water nozzle 4, and a through hole 17 is arranged between the mounting cavity 13 and the bottom end of the water injection flow channel 14.

As shown in fig. 4 and 5, the bottom end of the upper connector 2 is provided with a first adapter ring 21, the top end of the lower connector 3 is provided with a second adapter ring 31, the first adapter ring 21 and the second adapter ring 31 are connected with two ends of the casing 1, the bottom end of the lower connector 3 is provided with an external ring 32, and the external ring 32 is connected with a downhole water pipe.

As shown in fig. 6, a plurality of sealing rings 411 are uniformly arranged on the side surface of the flow guiding column 41 from top to bottom, and the sealing rings 411 are used for sealing the space between the flow guiding column 41 and the installation cavity 13. And two water passing holes 413 are symmetrically arranged in the middle of the guide column 41, and the water passing holes 413 are convenient for water to pass through the guide column 41. The cross section of the water passing hole 413 is triangular, the top end of the flow guiding column 41 is provided with a notch 412, and the notch 412 is used for being connected with the sealing plug 42, so that the purpose of sealing the flow guiding column 41 is achieved. The top of the sealing plug 42 is provided with a mounting joint 421, the top of the mounting joint 421 is provided with a mounting groove 422 for being connected with the output end of the driving motor 5, the side surface of the mounting joint 421 is provided with a jackscrew 423 for stably fixing the sealing plug 42 at the output end of the driving motor 5, the bottom of the sealing plug 42 is provided with a conical sealing head 424, and the conical sealing head 424 is used for being inserted into the inner side of the notch 412 to seal the flow guiding column 41.

As shown in fig. 7, a communication slot 51 is provided at the top end of the driving motor 5 and is used for being connected with the controller 6, a driving rod 52 is provided at the output end of the driving motor 5, a plug block 521 is provided at the bottom end of the driving rod 52, and the plug block 521 is used for being connected with the seal plug 42.

As shown in fig. 8, a communication plug 61 is provided at the bottom of the controller 6 and is used for connecting with the communication slot 51, a wire 62 is provided at the top of the controller 6, a plug 63 is provided at the end of the wire 62, and the wire 62 is used for connecting the controller 6 with the detection power supply assembly 7 in cooperation with the plug 63.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a wave code communication is intelligent water injection mandrel in pit, its characterized in that includes sleeve pipe (1), goes up connector (2) and lower connector (3), go up connector (2) and lower connector (3) are installed respectively to sleeve pipe (1) top and bottom, go up connector (2) and lower connector (3) and sleeve pipe (1) detachable connection, inside through flow channel (12), installation cavity (13) and the water injection runner (14) of being equipped with of sleeve pipe (1), through flow channel (12) run through sleeve pipe (1), installation cavity (13) and water injection runner (14) open-ended, installation cavity (13) and water injection runner (14) bottom communicate with each other;

the water nozzle (4), the water nozzle (4) comprises a flow guide column (41) and a sealing plug (42), the flow guide column (41) is arranged at the bottom end of the installation cavity (13), and a water filling port (15) is arranged at the position between the side face of the sleeve (1) opposite to the Ji Daoliu column (41) and the sealing plug (42);

the driving motor (5), the driving motor (5) is installed in the installation cavity (13), the output end of the driving motor (5) is connected with the sealing plug (42), and the driving motor (5) is used for driving the sealing plug (42) to move back and forth in the installation cavity (13);

the controller (6) is arranged in the installation cavity (13) and is connected with the driving motor (5);

detect power supply unit (7), detect power supply unit (7) and controller (6) are connected, detect power supply unit (7) and be used for supplying power to whole water injection mandrel, be used for detecting water injection pressure and the water injection flow of water injection mandrel simultaneously.

2. The wave code communication underground intelligent water distributor according to claim 1, wherein a plurality of positioning bolts (10) are arranged at the side surface of the sleeve (1) and aligned with the mounting cavity (13), and the positioning bolts (10) are used for positioning the positions of the driving motor (5) and the controller (6); the top end and the bottom end of the sleeve (1) are respectively provided with a connecting groove (11), and the connecting grooves (11) are used for installing an upper connector (2) and a lower connector (3); the water injection flow channel is characterized in that a limiting ring (141) is arranged at the position, close to the top end, of the inner side of the water injection flow channel (14), a plurality of sealing grooves (16) are formed in the inner side face of the installation cavity (13) along the lower portion of the water injection port (15), the sealing grooves (16) are used for installing the water nozzle (4), and through holes (17) are formed between the installation cavity (13) and the bottom end of the water injection flow channel (14).

3. The wave code communication underground intelligent water distributor according to claim 1, wherein a first adapter ring (21) is arranged at the bottom end of the upper connector (2), a second adapter ring (31) is arranged at the top end of the lower connector (3), the first adapter ring (21) and the second adapter ring (31) are used for being connected with two ends of the sleeve (1), an external ring (32) is arranged at the bottom end of the lower connector (3), and the external ring (32) is used for being connected with an underground water pipe.

4. The wave code communication underground intelligent water distributor according to claim 1, wherein a plurality of sealing rings (411) are uniformly arranged on the side face of the flow guide column (41) from top to bottom, two water passing holes (413) are symmetrically arranged in the middle of the flow guide column (41), the cross section of each water passing hole (413) is triangular, a notch (412) is formed in the top end of the flow guide column (41), and the notch (412) is used for being connected with a sealing plug (42).

5. The wave code communication underground intelligent water distributor according to claim 4, wherein the top end of the sealing plug (42) is provided with a mounting joint (421), the top end of the mounting joint (421) is provided with a mounting groove (422), and the mounting groove (422) is used for being connected with the output end of the driving motor (5); the side of the mounting joint (421) is provided with a jackscrew (423), the jackscrew (423) is used for stably fixing a sealing plug (42) at the output end of a driving motor (5), the bottom end of the sealing plug (42) is provided with a conical sealing head (424), and the conical sealing head (424) is used for being inserted into the inner side of a notch (412) to seal a flow guiding column (41).

6. The underground intelligent water distributor with the wave code communication according to claim 1, wherein a communication slot (51) is formed in the top end of the driving motor (5), the communication slot (51) is used for connecting the driving motor (5) with the controller (6), a driving rod (52) is arranged at the output end of the driving motor (5), an inserting block (521) is arranged at the bottom end of the driving rod (52), and the inserting block (521) is used for connecting the driving rod (52) with the sealing plug (42).

7. The wave code communication underground intelligent water distributor according to claim 6, wherein a communication plug (61) is arranged at the bottom end of the controller (6), the communication plug (61) is used for connecting the controller (6) with the communication slot (51), a wire (62) is arranged at the top end of the controller (6), an inserting head (63) is arranged at the end of the wire (62), and the wire (62) is matched with the inserting head (63) and is used for connecting the controller (6) with the detection power supply assembly (7).

8. The intelligent water distributor under wave code communication well according to any one of claims 1-7, wherein the detection power supply assembly (7) comprises a battery (71), a flowmeter (72) and a pressure sensor (73), and the battery (71) is arranged on the top of the inner side of the installation cavity (13); the flowmeter (72) is communicated with the pressure sensor (73), and the flowmeter (72) and the pressure sensor (73) are arranged inside the water injection flow channel (14) and are used for detecting water injection quantity and water injection pressure.

9. The wave code communication underground intelligent water distributor according to claim 8, wherein an inserting groove (711) is formed in the bottom end of the battery (71), an adapter (712) is arranged at the top end of the battery (71), the adapter (712) is used for connecting the battery (71) with the mounting cavity (13), a limiting end plate (713) is arranged at the top end of the adapter (712), the limiting end plate (713) is used for being pressed at an opening at the top end of the mounting cavity (13) to ensure stable and sealed mounting of the battery (71), a hexagonal joint (714) is arranged on the upper surface of the limiting end plate (713), and the hexagonal joint (714) is used for dismounting the battery (71); the inside of flowmeter (72) is equipped with intercommunication layer board (721), intercommunication layer board (721) is used for installing pressure sensor (73), flowmeter (72) top is equipped with dismouting joint (722), dismouting joint (722) are used for the dismouting of flowmeter (72), connect through communication line (723) between flowmeter (72) and battery (71), communication line (723) are used for guaranteeing that flowmeter (72) and pressure sensor (73) have the electric quantity supply.