CN215804493U - Intelligent water distribution device suitable for separate-zone water injection of oilfield water injection well - Google Patents
Intelligent water distribution device suitable for separate-zone water injection of oilfield water injection well Download PDFInfo
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- CN215804493U CN215804493U CN202121250089.9U CN202121250089U CN215804493U CN 215804493 U CN215804493 U CN 215804493U CN 202121250089 U CN202121250089 U CN 202121250089U CN 215804493 U CN215804493 U CN 215804493U
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Abstract
The utility model relates to an intelligent water distribution device suitable for layered water injection of an oil field water injection well. The utility model has the advantages of simple and convenient use, stable operation, low application and maintenance cost and low energy consumption.
Description
Technical Field
The utility model relates to the technical field of energy development, in particular to an intelligent water distribution device suitable for separate layer water injection of an oil field water injection well.
Background
In the process of oil field development, the difficulty of crude oil exploitation is gradually increased, the formation pressure is gradually reduced, measures such as water injection and the like are required to increase the crude oil yield, and during water injection oil exploitation, a target layer can be divided into a plurality of small layers with interlayer layers. In order to ensure reasonable and effective water injection and maintain energy balance of each layer, water injection from a shaft to a stratum needs to be completed through an underground water distribution device, a commonly adopted water distribution device is mechanical water distribution, and the water distribution is adjusted manually or mechanically to realize adjustment and control of water injection amount no matter a concentric water distribution device or a bridge type eccentric water distribution device; the operation time is long, the allocation cost is high, the allocation power is low, the water quantity is not easy to be accurately controlled, and the data cannot be utilized in real time; with the development of digital information technology, automation and intelligence have become necessary aids in various aspects such as daily life and production, and particularly in recent years, the construction of digital oil fields is accelerating, and during this period, the development of water distribution devices which are more convenient, efficient, energy-saving and low-cost to operate is also a subject of attention of related enterprises and experts. At present, related products develop experimental application, but the defects of operation stability, operation convenience, commissioning cost and other related aspects exist to different degrees.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background art, the utility model provides the intelligent water distribution device which is simple and convenient to use, stable in operation, low in application and maintenance cost and energy consumption and suitable for layered water injection of the water injection well in the oil field.
The technical solution of the utility model is as follows: the utility model relates to an intelligent water distribution device suitable for separate-zone water injection of an oil field water injection well, which is characterized in that: the intelligent water distribution device comprises a water distribution device, the water distribution device comprises a driving device, a water distribution valve, an actuating mechanism and an intelligent water distribution unit, the driving device is connected with the intelligent water distribution unit, and the intelligent water distribution unit is connected with the water distribution valve through the actuating mechanism.
Furthermore, the intelligent water distribution unit comprises a data acquisition unit, a data processing unit and an intelligent control unit, wherein the data acquisition unit and the intelligent control unit are respectively connected with the data processing unit, and the intelligent control unit is connected with an actuating mechanism.
Furthermore, the driving device comprises an underground storage battery and an underground power generation device, the underground storage battery is connected with the underground power generation device, and the underground power generation device is connected with the intelligent water distribution unit.
Furthermore, the intelligent water distribution device further comprises an underground data receiving and transmitting device, and the underground data receiving and transmitting device is respectively connected with the underground storage battery and the data processing unit.
Furthermore, the intelligent water distribution device further comprises a shell, the underground data transceiver, the underground storage battery, the underground power generation device, the intelligent water distribution unit, the actuating mechanism and the water distribution valve are sequentially arranged in the shell from top to bottom, and an upper joint and a lower joint are respectively arranged at the upper end and the lower end of the shell.
Furthermore, a through central cylinder is arranged among the upper joint, the underground data transceiver, the underground storage battery, the underground power generation device, the intelligent water distribution unit, the actuating mechanism, the water distribution valve and the lower joint.
Furthermore, a first sealing and cutting layer is arranged between the underground data transceiver and the underground storage battery, the underground data transceiver and the underground storage battery are connected through a first built-in cable, the first built-in cable is arranged in the first sealing and cutting layer, a second sealing and cutting layer is arranged between the underground storage battery and the underground power generation device, the underground storage battery and the underground power generation device are connected through a second built-in cable, and the second built-in cable is arranged in the second sealing and cutting layer.
Further, the underground power generation device comprises a rectifying device, a coil, a magnet rotor and a rotating central shaft; the magnet rotor is arranged in the coil, the rotating central shaft is arranged on the central line of the magnet rotor, and the upper part and the lower part of the rotating central shaft are respectively provided with an upper power generation impeller and a lower power generation impeller; the underground power generation device also comprises a rotary central shaft upper support and a rotary central shaft lower support which are connected with the magnet rotor, the rotary central shaft upper support and the rotary central shaft lower support are respectively arranged at the upper end and the lower end of the rotary central shaft, and the underground power generation device also comprises a magnet upper connecting rod and a magnet lower connecting rod; the upper part of the magnet rotor is connected with the rotating central shaft through an upper magnet connecting rod, the lower part of the magnet rotor is connected with the rotating central shaft through a lower magnet connecting rod, and a third sealing and cutting layer is arranged between the rectifying device and the coil.
Further, the housing is cylindrical.
Furthermore, the data acquisition unit comprises a pressure sensor, a flow sensor and a temperature sensor, and the pressure sensor, the flow sensor and the temperature sensor are respectively connected with the data acquisition unit.
The utility model provides an intelligent water distribution device suitable for layered water injection of an oil field water injection well, which comprises an underground power generation device, an underground storage battery, an underground data transceiver, a water distribution valve, an actuating mechanism, a data acquisition unit, a data processing unit and an intelligent control unit, wherein the underground data transceiver is used for receiving and transmitting data or instructions; the underground data transceiver can transmit the command of the ground control center to the data processing unit, and the data processing unit decodes the command and then the intelligent control unit updates and executes the command; the data transceiver can also transmit the data acquired by the underground data acquisition unit to the ground control center after being processed by the data processing unit, so that the ground control center can know and analyze the underground allocation state in real time; the structure of the utility model is a short section provided with a central cylinder, and when in use, the short section is connected with an oil pipe or a packer, fluid can smoothly circulate from the central cylinder, and no influence is caused on well washing and other operations.
Therefore, the utility model has the following advantages:
1) the utility model realizes the automatic allocation of water injection flow;
2) the utility model realizes self-power generation by depending on water flow flowing through the central cylinder, thereby avoiding the use of cables, reducing the use cost and reducing the energy consumption;
3) the utility model is combined with the underground data wireless transmission unit, realizes the remote control of water injection allocation, reduces the manual or mechanical allocation workload and reduces the development cost of oil fields;
4) the utility model realizes the real-time monitoring of indexes such as underground water injection pressure, flow, temperature and the like, and provides reliable support and basis for analyzing underground water injection condition and condition state; and conditions are provided for realizing intelligent oilfield management.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of a downhole power generation assembly of the present invention.
The reference numerals are explained below:
1. an upper joint; 2. a downhole data transceiver; 3. a downhole battery; 4. an underground power generation device; 5. A water distribution device; 6. a lower joint; 7. a second seal-cut layer; 8. a second built-in cable; 9. a first seal cutting layer; 10. a first built-in cable; 11. a housing; 12. a central barrel;
401. a rectifying device; 402. a third seal cutting layer; 403. a coil; 404. a magnet rotor; 405. rotating the central shaft; 406. rotating the lower bracket of the central shaft; 407. a lower impeller for power generation; 408. a magnet lower connecting rod; 409. a magnet upper connecting rod; 410. an upper impeller for generating electricity; 411. a bracket on the rotating central shaft;
501. an intelligent water distribution unit; 502. an actuator; 503. a water distribution valve.
Detailed Description
The general aspects of the utility model will be described in further detail with reference to the following figures and specific examples:
referring to fig. 1, the structure of the embodiment of the present invention includes an upper joint 1, a downhole data transceiver 2, a water distribution device 5, and a lower joint 6, which are connected in sequence. The water distribution device 5 comprises a driving device, a water distribution valve, an actuating mechanism and an intelligent water distribution unit, the driving device is connected with the intelligent water distribution unit, the intelligent water distribution unit is connected with the water distribution valve through the actuating mechanism, the driving device comprises an underground storage battery 3 and an underground power generation device 4, the underground storage battery 3 is connected with the underground power generation device 4, and the underground power generation device 4 is connected with the intelligent water distribution unit. Wherein:
the downhole data transceiver 2 receives and transmits data or commands.
The underground power generation device 4 generates electric energy, the electric energy is stored in the underground storage battery 3, and the underground storage battery 3 supplies power to the underground data receiving and transmitting device 2 and the intelligent water distribution unit.
The upper joint 1 and the lower joint 6 are connected with an oil pipe.
The intelligent water distribution device 5 is used for realizing the allocation of water quantity, the adjustment of water injection and water stop is completed by controlling the opening and closing of the water distribution valve, and the adjustment of the water injection quantity is realized by controlling the opening and closing degree of the water distribution valve.
Referring to fig. 2 and 3, the structure of the preferred embodiment of the present invention includes a housing 11, an upper joint 1, a downhole data transceiver 2, a water distributor 5 and a lower joint 6. Wherein:
the water distribution device 5 comprises a driving device, a water distribution valve 503, an actuating mechanism 502 and an intelligent water distribution unit 501, the driving device is connected with the intelligent water distribution unit 501, and the intelligent water distribution unit 501 is connected with the water distribution valve 503 through the actuating mechanism 502.
The driving device comprises an underground storage battery 3 and an underground generating set 4, the underground storage battery 3 is connected with the underground generating set 4, and the underground generating set 4 is connected with the intelligent water distribution unit 501.
The intelligent water distribution unit 501 comprises a data acquisition unit, a data processing unit and an intelligent control unit; the data acquisition unit and the intelligent control unit are respectively connected with the data processing unit, and the intelligent control unit is connected with the actuating mechanism. The actuator is an existing actuator which can control the distributing valve 503. The data acquisition unit, the data processing unit and the intelligent control unit adopt the existing chip structure and control circuit.
The underground data transceiver 2 is respectively connected with the underground storage battery 3 and the data processing unit.
The underground data transceiver 2, the underground storage battery 3, the underground power generation device 4, the intelligent water distribution unit 501, the actuating mechanism 502 and the water distribution valve 503 are sequentially arranged in the shell 11 from top to bottom, and the upper joint 1 and the lower joint 6 are respectively arranged at the upper end and the lower end of the shell 11. The middle parts of the upper joint 1, the underground data transceiver 2, the underground storage battery 3, the underground power generation device 4, the intelligent water distribution unit 501, the execution mechanism 502, the water distribution valve 503 and the lower joint 6 are provided with a through central cylinder 12.
A first sealing and cutting layer 9 is arranged between the underground data transceiver 2 and the underground storage battery 3, the underground data transceiver 2 and the underground storage battery 3 are connected through a first built-in cable 10, and the first built-in cable 10 is arranged in the first sealing and cutting layer 9. A second sealing and cutting layer 7 is arranged between the underground storage battery 3 and the underground generating set 4, the underground storage battery 3 and the underground generating set 4 are connected through a second built-in cable 8, and the second built-in cable 8 is arranged in the second sealing and cutting layer 7.
The downhole power generation device 4 includes a rectifying device 401, a coil 403, a magnet rotor 404, and a rotation center shaft 405; a magnet rotor 404 is arranged in the coil 403, a rotation center shaft 405 is arranged on the center line of the magnet rotor 404, and an upper power generation impeller 410 and a lower power generation impeller 407 are respectively arranged on the upper part and the lower part of the rotation center shaft 405; the fairing 401 is arranged above the central axis of rotation 405, the fairing 401 being connected to the downhole accumulator 3 by a second built-in cable 8. A third encapsulation layer 402 is arranged between the rectifying means 401 and the coil 403. The housing 6 is preferably cylindrical.
The downhole power generating apparatus 4 further includes a rotation center shaft upper bracket 411 and a rotation center shaft lower bracket 406 connected to the magnet rotor 404, and the rotation center shaft upper bracket 411 and the rotation center shaft lower bracket 406 are respectively provided at upper and lower ends of the rotation center shaft 405. The rotation center shaft upper holder 411 and the rotation center shaft lower holder 406 function to connect and fix the rotation center shaft, and the rotation center shaft 405 is rotatable on the holders.
The downhole power generation device 4 further comprises a magnet upper connecting rod 409 and a magnet lower connecting rod 408; the upper portion of the magnet rotor 404 is connected to the rotation center shaft 405 by a magnet upper connection rod 409, and the lower portion of the magnet rotor 404 is connected to the rotation center shaft 405 by a magnet lower connection rod 408.
The underground power generation device 4 mainly adopts a turbine power generation principle, and when fluid passes through the central cylinder 11 of the power generation device 4, the fluid drives the power generation upper impeller 410 and the power generation lower impeller 407 arranged on the central cylinder 11 to rotate; the power generation upper impeller 410 and the power generation lower impeller 407 drive the magnet rotor 404 arranged on the periphery of the central cylinder 11 to rotate through the rotating central shaft 405, the magnet upper connecting rod 409 and the magnet lower connecting rod 408, and the coil 403 is arranged on the periphery of the magnet rotor 404, so that the underground power generation process is realized.
The underground storage battery 3 is mainly used for storing electric energy generated by the underground power generation device 4 so as to supply power for the underground data transceiver 2, the data acquisition unit, the data processing unit and the intelligent control unit; the storage and power supply capacity of the accumulator 3 is configured according to the actual demand.
The underground data transceiver 2 is an existing device capable of realizing data transmission, comprises modules for data receiving, data storing, data processing, data sending and the like, and can transmit underground uploaded data or received ground instructions to the next stage in real time; the underground data wireless transmission device has limited transmission distance due to the properties of the shaft, but the transmission distance is more than or equal to 12 meters, and the specific transmission distance is determined according to the actual well condition; according to actual well conditions, the number of underground data wireless transmission devices required to be used by each well is absolutely more than one level, and the number needs to be determined according to the actual well conditions so as to ensure that underground data can be transmitted to the ground and ground instructions can be transmitted to the bottom of the well.
When the underground water distribution device works, the underground power generation device 4 generates electric energy and stores the electric energy in the underground storage battery 3, and the underground storage battery 3 supplies power to the power utilization units such as the data acquisition unit, the data processing unit, the underground data transceiver 2, the intelligent control unit and the like, so that the normal operation of the water distribution device 5 is maintained; the intelligent control unit is used for regulating and controlling the water distribution valve 503, the intelligent control unit is in data communication with a ground control center through the underground data transceiver 2, and the ground control center is used for monitoring and analyzing underground data and issuing a distribution instruction according to an analysis result; the intelligent control unit controls the execution mechanism 502 to adjust the water distribution valve 503 according to an instruction set by the control center to complete a distribution task, and is mainly a group of control programs for adjusting indexes such as water injection pressure, flow and the like to be matched with a distribution instruction; when the index is not matched with the instruction, the intelligent control unit sends out an adjusting signal to push the executing mechanism 502 to complete adjustment and maintain stable water injection; the data processing unit is mainly used for storing, coding (decoding), compressing, converting and the like the data (pressure, humidity, flow and the like) acquired by the data acquisition unit so as to be received and used by the ground control center; the underground data transceiver 2 receives and transmits data or instructions; the underground data transceiver 2 can transmit the command of the ground control center to the data processing unit, and the data processing unit decodes the command and then the intelligent control unit updates and executes the command; the underground data transceiver 2 can also transmit the data acquired by the data acquisition unit to the ground control center after being processed by the data processing unit so that the ground control center can know and analyze the underground allocation state in real time; the data acquisition unit is used for acquiring indexes such as pressure, flow and temperature representing injection allocation states in the underground injection allocation process; the data acquisition is mainly realized by a pressure sensor, a flow sensor, a temperature sensor and the like; the pressure sensor comprises a pressure sensor before the water distribution valve and a pressure sensor after the water distribution valve, the pressure sensor before the valve is used for representing the injection allocation pressure, and the pressure sensor after the valve is used for representing the formation pressure.
The intelligent water distribution device is mainly used for monitoring indexes such as underground water injection pressure, water injection flow, formation pressure, formation temperature and the like, and adjusting water distribution according to monitoring data and ground instructions; the monitoring of indexes such as underground water injection pressure, water injection flow, formation pressure, formation temperature and the like is completed through a data acquisition unit (namely a sensor arranged in a water distributor), and the monitored data is collected, processed and transmitted by a data processing unit and an underground data transceiver 2; the intelligent control unit receives a ground instruction through the underground data transceiver 2 and the data processing unit, and starts an execution switch of the execution mechanism 502 according to the instruction, and the execution mechanism 502 completes a water distribution amount adjusting task; meanwhile, when the water injection flow and the water injection pressure fluctuate in the water injection process, the intelligent control unit can adjust and correct the standard instruction standard in real time; the regulated water injection flow is transmitted to the ground through the flow monitoring system to form an effective execution-feedback circulation loop.
The present invention and the technical contents not specifically described in the above embodiments are the same as the prior art.
The above embodiments are only specific embodiments disclosed in the present invention, but the scope of the present invention is not limited thereto, and the scope of the present invention disclosed in the present invention should be subject to the scope of the claims.
Claims (10)
1. The utility model provides an intelligence water distribution device suitable for oil field water injection well zonal injection, its characterized in that: the intelligent water distribution device comprises a water distribution device, the water distribution device comprises a driving device, a water distribution valve, an actuating mechanism and an intelligent water distribution unit, the driving device is connected with the intelligent water distribution unit, and the intelligent water distribution unit is connected with the water distribution valve through the actuating mechanism.
2. The intelligent water distribution device suitable for the zonal injection of the oilfield water injection well according to claim 1, characterized in that: the intelligent water distribution unit comprises a data acquisition unit, a data processing unit and an intelligent control unit, wherein the data acquisition unit and the intelligent control unit are respectively connected with the data processing unit, and the intelligent control unit is connected with an actuating mechanism.
3. The intelligent water distribution device suitable for the zonal injection of the oilfield water injection well according to claim 2, characterized in that: the driving device comprises an underground storage battery and an underground power generation device, the underground storage battery is connected with the underground power generation device, and the underground power generation device is connected with the intelligent water distribution unit.
4. The intelligent water distribution device suitable for the zonal injection of the oilfield water injection well according to claim 3, characterized in that: the intelligent water distribution device further comprises an underground data receiving and transmitting device, and the underground data receiving and transmitting device is respectively connected with the underground storage battery and the data processing unit.
5. The intelligent water distribution device suitable for the zonal injection of the oilfield water injection well according to claim 4, wherein: the intelligent water distribution device further comprises a shell, the underground data transceiver, the underground storage battery, the underground power generation device, the intelligent water distribution unit, the actuating mechanism and the water distribution valve are sequentially arranged in the shell from top to bottom, and an upper connector and a lower connector are respectively arranged at the upper end and the lower end of the shell.
6. The intelligent water distribution device suitable for the zonal injection of the oilfield water injection well according to claim 5, wherein: and a through central cylinder is arranged among the upper joint, the underground data transceiver, the underground storage battery, the underground power generation device, the intelligent water distribution unit, the actuating mechanism, the water distribution valve and the lower joint.
7. The intelligent water distribution device suitable for the zonal injection of the oilfield water injection well according to claim 6, wherein: the underground data transceiver is characterized in that a first sealing and cutting layer is arranged between the underground data transceiver and the underground storage battery, the underground data transceiver and the underground storage battery are connected through a first built-in cable, the first built-in cable is arranged in the first sealing and cutting layer, a second sealing and cutting layer is arranged between the underground storage battery and the underground power generation device, the underground storage battery and the underground power generation device are connected through a second built-in cable, and the second built-in cable is arranged in the second sealing and cutting layer.
8. The intelligent water distribution device suitable for the zonal injection of the oilfield water injection well according to claim 7, characterized in that: the underground power generation device comprises a rectifying device, a coil, a magnet rotor and a rotating central shaft; the magnet rotor is arranged in the coil, the rotating central shaft is arranged on the central line of the magnet rotor, and the upper part and the lower part of the rotating central shaft are respectively provided with an upper power generation impeller and a lower power generation impeller; the underground power generation device also comprises a rotary central shaft upper support and a rotary central shaft lower support which are connected with the magnet rotor, the rotary central shaft upper support and the rotary central shaft lower support are respectively arranged at the upper end and the lower end of the rotary central shaft, and the underground power generation device also comprises a magnet upper connecting rod and a magnet lower connecting rod; the upper part of the magnet rotor is connected with the rotating central shaft through an upper magnet connecting rod, the lower part of the magnet rotor is connected with the rotating central shaft through a lower magnet connecting rod, and a third sealing and cutting layer is arranged between the rectifying device and the coil.
9. The intelligent water distribution device suitable for the zonal injection of the oilfield water injection well according to claim 8, characterized in that: the housing is cylindrical.
10. The intelligent water distribution device suitable for zonal injection of an oil field water injection well according to any one of claims 2 to 9, characterized in that: the data acquisition unit comprises a pressure sensor, a flow sensor and a temperature sensor, and the pressure sensor, the flow sensor and the temperature sensor are respectively connected with the data acquisition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121250089.9U CN215804493U (en) | 2021-06-08 | 2021-06-08 | Intelligent water distribution device suitable for separate-zone water injection of oilfield water injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121250089.9U CN215804493U (en) | 2021-06-08 | 2021-06-08 | Intelligent water distribution device suitable for separate-zone water injection of oilfield water injection well |
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| Publication Number | Publication Date |
|---|---|
| CN215804493U true CN215804493U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121250089.9U Active CN215804493U (en) | 2021-06-08 | 2021-06-08 | Intelligent water distribution device suitable for separate-zone water injection of oilfield water injection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215804493U (en) |
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2021
- 2021-06-08 CN CN202121250089.9U patent/CN215804493U/en active Active
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