CN210798937U - Intelligent separate mining wireless communication control system - Google Patents

Intelligent separate mining wireless communication control system Download PDF

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Publication number
CN210798937U
CN210798937U CN201921531435.3U CN201921531435U CN210798937U CN 210798937 U CN210798937 U CN 210798937U CN 201921531435 U CN201921531435 U CN 201921531435U CN 210798937 U CN210798937 U CN 210798937U
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production
wireless
communication
pipe
wireless communication
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CN201921531435.3U
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叶红
钱国全
高丽
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China Petroleum and Chemical Corp
Sinopec Jiangsu Oilfield Co
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China Petroleum and Chemical Corp
Sinopec Jiangsu Oilfield Co
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Abstract

The utility model relates to a wireless communication control system is adopted to intelligence branch, including sub-system, the communication sub-system in pit and ground control subsystem are joined in marriage to the layering in the pit, every is exploited the stratum and is separated with the packer to an installation is no cable in the pit and is joined in marriage a production apparatus. The underground cable-free production allocator can control the exploitation or the plugging of a corresponding production allocation layer, and can acquire and store three parameters of pressure, formation pressure and temperature in an oil pipe of the corresponding oil layer in real time. The ground controller is used for connecting the cable lowering communicator and communicating with the cableless production allocation devices of the distribution layers in a non-contact mode, the data measured by the cableless production allocation devices are directly read or played back, the exploitation state of the distribution layers is regulated and controlled according to the measured data, and layered oil recovery of the oil well is achieved.

Description

Intelligent separate mining wireless communication control system
Technical Field
The utility model relates to an oil development technical field, concretely relates to wireless communication control system is adopted to intelligence branch.
Background
The layered oil production communication method of the oil production well commonly used in the technical field of oil production at present mainly comprises a storage type and a cable type.
For the storage type layered oil production communication system, a storage type production allocator is internally provided with a battery for supplying power, a control command is written in advance, a conventional packer and the storage type production allocator are matched and put into a well, the production allocator can independently test each production allocation layer, the measured oil layer information is stored in an internal memory, and the measured oil layer information is read on the ground after the well is started. The storage type layered oil production communication system has the defects that the working period of an instrument is limited by the capacity of a battery, test data cannot be uploaded in real time, and the regulation and control of an oil layer are not flexible.
For the cable type layered oil production communication system, the cable type production allocator adopts the cable to supply power, the working period is not limited by electric quantity, and the production liquid information of each layer can be monitored in real time and regulated. However, the cable type production allocator is required to be matched with a specially-made cable packer for use, the cable is required to be matched with a pipe column for going into a well together, the damage of the cable can cause abnormal communication of the whole system, and the cable type production allocator is complex in construction, high in cost and high in risk.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an intelligence is divided and is adopted wireless communication control system, it need not to move the tubular column and can acquire each allotment layer data on ground to can regulate and control the exploitation state to each allotment layer in a flexible way, solve aforementioned technical problem.
In order to achieve the above object, the utility model provides a following technical scheme:
an intelligent separate mining wireless communication control system comprises an underground layered production allocation subsystem, an underground communication subsystem and a ground control subsystem; the underground layered production allocation subsystem comprises at least one underground wireless production allocator which is conveyed to each underground oil layer through an oil pipe and is separated by a packer;
the underground communication subsystem comprises a logging cable and a communication instrument, one end of the communication instrument is fixedly connected with the logging cable, and the other end of the communication instrument is provided with a built-in antenna communication device and is in information communication transmission with the underground wireless production allocator;
the ground control subsystem comprises a ground controller, the ground controller is connected with the communication instrument through a logging cable, and sends a control signal to the communication instrument in a power carrier mode.
As a further aspect of the present invention: the underground wireless production allocator comprises a lower connector, an underground wireless production allocator wireless communication device, a slotted sieve tube, a pressure and temperature sensor assembly, a choke assembly, a production allocation layer overflow tube, a control circuit board, a choke motor, a whole well overflow through tube, a power supply battery assembly, an outer protecting tube, an upper connector and a magnetic awakening device; the lower end of the lower joint is connected with an oil pipe, the upper end of the lower joint is connected with an outer protecting pipe, a wireless communication device of an underground wireless production allocator is arranged in the lower joint, a slotted screen pipe is arranged outside the lower joint, and the lower joint is provided with a pressure temperature sensor assembly, an oil nozzle assembly, a production allocation layer overflowing pipe, an installation position of an entire well overflowing channel and an overflowing channel among the assemblies; the oil nozzle assembly is electrically connected with the oil nozzle motor; the lower end of the upper joint is connected with an outer protecting pipe, the upper end of the upper joint is connected with an oil pipe, a magnetic awakening device is arranged in the upper joint, and a positioning surface matched with a positioning claw of the communication instrument is arranged in the upper joint; and the power supply battery assembly is electrically connected with the control circuit board and the oil nozzle motor.
As a further aspect of the present invention: the communication instrument comprises a cable head, a weighted short section, a positioning short section and a communication short section which are sequentially connected; the cable head and logging cable fixed connection, install the locating pawl in the location nipple joint, the location nipple joint passes through the transmission shaft and is connected with the locating pawl motor, the built-in hall proximity switch of communication nipple joint, hall proximity switch can awaken up the built-in magnetism awakening device of wireless production allocator through magnetic signal, the communication nipple joint still embeds has communications appearance circuit board and communications appearance wireless communication device, and communications appearance wireless communication device relies on the electromagnetic wave to carry out data exchange with wireless production allocator wireless communication device in the pit.
As a further aspect of the present invention: and one end of the communication nipple is provided with a guide cone.
As a further aspect of the present invention: the ground controller is also connected with the PC end.
As a further aspect of the present invention: and a liquid inlet hole of the lower joint is sequentially communicated with the oil nozzle assembly, the production allocation layer overflow pipe and the whole well overflow channel through a slotted screen pipe.
As a further aspect of the present invention: the communication instrument circuit board is used for controlling the movement of the positioning claw motor, checking the downhole depth through the Hall proximity switch and communicating data of the downhole wireless production allocator.
Compared with the prior art, the beneficial effects of the utility model are that:
1. only once tubular column construction is needed, the liquid production test and the layered oil extraction can be completed, and a large amount of manpower and material resources are saved.
2. The underground cable-free production allocator arranged on different production allocation layers works independently, and the instruments are connected in series without cables to supply power, so that the fault of the whole system caused by the fault of a certain instrument of the cable type oil production system is avoided, and the reliability of the whole system is improved.
3. The pipe column structure of releasing is adopted, and the pipe column structure can be matched with a barrel pump or a tubular pump for use, so that the use under various well conditions is met. And when the communicator is adopted to exchange data with the underground, the pump does not need to be stopped, the simultaneous measurement and the simultaneous mining are realized, the pump stopping rate is reduced, the construction cost is saved, and the industrial quantity is increased.
4. The underground wireless production allocator is provided with an internal overflowing channel which can pass through other testing instruments except the communication instrument.
5. The underground wireless production allocator is powered by a high-temperature explosion-proof battery, and an advanced multi-power management mode is adopted to reduce the communication power consumption, the dormancy power consumption and the data acquisition power consumption of the system, so that the long-term underground use requirement is met.
6. Realized intelligent oil recovery in layers, when finding main reservoir and high aquifer, can adjust the layering glib talker according to the ground command, improved oil recovery efficiency, realized test output integration.
Drawings
FIG. 1 is a schematic view of the construction of the pipe column of the present invention;
FIG. 2 is a schematic structural view of the downhole wireless production allocator of the present invention;
fig. 3 is a schematic structural diagram of the communication device of the present invention;
reference numbers and designations in the drawings: 1 a wellhead surface installation; 2, sleeving a sleeve; 3, an oil extraction pump; 4, releasing the tool; 5, oil pipe; 6, a packer; 7, plugging by a thread; 8, a logging cable; 9 underground wireless production allocator; 10, a communication instrument; 11 a ground controller; 12, a lower joint; 13 wireless communication device of underground wireless production allocator; 14 a slotted screen; 15 a pressure temperature sensor assembly; 16 a nozzle assembly; 17 a production allocation layer overflow pipe; 18 a control circuit board; 19 a choke motor; 20 whole well overflowing pipe; 21 a power supply battery assembly; 22 an outer protective pipe; 23, an upper joint; 24 a magnetic wake-up device; 25 cable head; 26 weighting the short section; 27 positioning the short joint; 28 a positioning pawl motor; 29 a drive shaft; 30 positioning claws; 31 a communication nipple; a 32 Hall proximity switch; 33 communication instrument circuit board; 34 a communicator wireless communication device; 35 guide cone.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1-3, an intelligent separate mining wireless communication control system comprises an underground layered production allocation subsystem, an underground communication subsystem and a ground control subsystem.
The underground layered production allocation subsystem comprises at least one underground wireless production allocation device 9, a plurality of underground wireless production allocation devices 9 are connected with the oil pipe 5 and installed on each oil layer, and the layers are separated by a packer 6. The downhole wireless production allocator 9 comprises: the system comprises a lower connector 12, a wireless communication device 13 of the underground wireless production allocator, a slotted screen pipe 14, a pressure temperature sensor assembly 15, a choke assembly 16, a production allocation layer overflow pipe 17, a control circuit board 18, a choke motor 19, a whole well overflow through pipe 20, a power supply battery assembly 21, an outer protecting pipe 22, an upper connector 23 and a magnetic awakening device 24. The lower end of the lower joint 12 is connected with an oil pipe 5, the upper end of the lower joint is connected with an outer protecting pipe 22, a wireless communication device 13 of the underground wireless production allocator is arranged in the lower joint, a slotted screen pipe 14 is arranged outside the lower joint, and a pressure temperature sensor assembly 15, an oil nozzle assembly 16, a production allocation layer overflow pipe 17, an installation position of a whole well overflow channel 20 and overflow channels among the assemblies are designed. The outer protective tube 22 has a sealing function and can prevent liquid outside the instrument from entering the instrument. The downhole wireless allocator wireless communication device 13 is capable of communicating data with the communicator wireless communication device 34. The slotted screen 14 filters the well fluid entering the tool. The choke assembly 16 is driven by a choke motor 19 to realize the exploitation and plugging of the well fluid of the oil layer where the underground wireless production allocation device 9 is located: when the oil layer well fluid of the underground wireless production allocator 9 is mined, the oil nozzle assembly 16 operates to an open state, the well fluid is filtered by the slotted screen pipe 14, flows through the oil nozzle assembly 16 through the fluid inlet hole of the lower joint 12 and enters the production allocation layer overflow pipe 17, finally is converged with other layer well fluid of the whole well overflow pipe 20 at the upper joint 23, continues to move upwards to the releasing tool 4, and is pumped to the ground by the oil production pump 3; when the underground wireless production allocator 9 is plugged in oil layer well fluid, the choke assembly 16 operates to a closed state, and the well fluid cannot enter the inside of the instrument. The whole well overflow pipe 20 allows well fluid at the lower end of the instrument to flow upwards through the whole well overflow pipe, and allows the communication instrument 10 to pass through the whole well overflow pipe. The pressure and temperature sensor assembly 15 is capable of measuring the formation pressure outside the instrument, the pressure inside the instrument, and the temperature of the formation in which the instrument is located. The lower end of the upper joint 23 is connected with an outer protecting pipe 22, the upper end is connected with the oil pipe 5, a magnetic awakening device 24 is arranged in the upper joint, and a positioning surface matched with a positioning claw of the communication instrument 10 is designed. The wireless communication function of the downhole wireless production allocator 9 is normally in a dormant state to reduce power consumption, and when the communicator 10 passes through the downhole wireless production allocator 9, the magnetic wake-up device 24 generates a wake-up signal to start the communication function of the downhole wireless production allocator 9 for data exchange with the communicator 10. The control circuit board 18 realizes all logic functions and actions of the underground wireless production allocator 9 and is a control core of the instrument. The power supply battery assembly 21 provides energy for the control circuit board 18 and the nozzle tip motor 19.
When the data of the underground wireless production allocator 9 needs to be read or the movement of a nozzle of the underground wireless production allocator 9 needs to be controlled, the communication instrument 10 needs to be arranged in the ground for communication. The downhole communication section contains a wireline 8 and a communicator 10. The communicator 10 can be split into a cable head 25, a weighted short joint 26, a positioning short joint 27 and a communication short joint 31. The cable head 25 is used for fixing the logging cable 8. Weighted sub 26 provides a counterweight for the communicator 10 to run into the well by its own weight. The positioning short section 27 is provided with a positioning claw 30, and the ground controller 11 can control a positioning claw motor 28 arranged in the positioning short section 27 to rotate so as to drive a transmission shaft to rotate, thereby controlling the positioning claw 30 to open and close. When the communicator 10 is opened in the oil pipe and the positioning claw 30 is continuously lowered, the positioning claw 30 can be clamped on the positioning surface of the upper joint 23 of the underground wireless production allocator, and the communicator 10 is prevented from going downwards continuously. The communication nipple 31 is internally provided with a Hall proximity switch 32, the Hall proximity switch 32 is used for determining the running depth, and meanwhile, after entering the whole well overflowing channel 20 in the underground wireless production allocator 9, the magnetic awakening device 4 in the wireless production allocator 9 can be awakened through a magnetic signal, so that the wireless production allocator 9 enters a normal working state from a dormant state, and then the communication instrument wireless communication device 34 and the underground wireless production allocator wireless communication device 13 perform data exchange through electromagnetic waves. The communication instrument circuit board 33 realizes logic and function control of the whole communication instrument, and can control the movement of the positioning claw motor 28, the Hall proximity switch 32 to check the underground depth and communicate with the data of the underground wireless production allocator 9. The guide cone 35 plays a role in guiding and ensures that the communicator can go into the well smoothly.
The ground controller supplies power to the communication instrument through a cable, can control the communication instrument, realizes the opening and closing of the positioning claw, and carries out data exchange on the underground wireless production allocator through the communication instrument, thereby realizing layered production allocation. Data exchange is carried out between the electromagnetic waves and the underground wireless production allocator, and real-time and efficient data reading and control of the ground and the underground wireless production allocator are achieved.
Example 2
Referring to fig. 1, the construction method for using the intelligent separate mining wireless communication control system in the downhole in embodiment 1 includes:
1) pipe column construction
The number of the packers and the number of the underground wireless production distributors are configured according to the number of oil layers to be detected of the oil well, and each oil layer to be detected needs to be separated by the packer and is provided with one underground wireless production distributor. And the releasing tool 4, the packer 6 and the underground wireless production allocator 9 are connected by an oil pipe 5 and are lowered to an oil layer to be tested. And completing the packer setting and releasing actions at a preset depth, and pulling out the upper end pipe column of the releasing tool. And (5) installing an oil extraction pump 3 to complete the construction of the underground production pipe column.
2) Layered oil production
After the complete construction operation, the underground wireless production allocator 9 opens the oil nozzle according to a preset time sequence and performs data acquisition and storage.
When stratum test data is needed, the ground controller 11 can be connected with the communicator 10 through the logging cable 8 and is placed in the annular space of the oil pipe 5 and the casing pipe 2, the communication instrument is placed in the releasing tool 4 and slides into the releasing tool 4 from the annular space of the oil pipe 5 and the casing pipe 2, the communication instrument continues to go down to the underground wireless production allocator 9 installed in each oil layer, and the wireless production allocator 9 is awakened to perform wireless data communication. The communication instrument 10 transmits data measured by the underground wireless production allocator 9 to the ground controller 11, when a high aquifer and a low-yield layer are determined, the ground controller 11 issues a nozzle control command to the communication instrument 10 through the logging cable 8, the communication instrument 10 sends the nozzle control command to the underground wireless production allocator 9 in a wireless communication mode, and the underground wireless production allocator 9 performs nozzle opening and closing actions after receiving the command to realize layered oil extraction.
Example 3
The embodiment 3 has the same structural principle as the embodiment 1, and is different in that the data information uploaded by the communication instrument 10 and collected by the underground wireless production allocator 9 is transferred by the ground controller 11 and then is subjected to man-machine interaction by the PC.
The utility model discloses need not to move the tubular column and can acquire each layer data of joining in marriage on ground to can regulate and control the exploitation state to each layer of joining in marriage in a flexible way, overcome storage formula layering oil recovery system and must get up the well and just can acquire the layer data of joining in marriage, and can not regulate and control the problem of joining in marriage the layer in a flexible way, solve the construction complicacy, with high costs and the cycle length of cable formula layering oil recovery system, and improved the construction reliability.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. An intelligent separate mining wireless communication control system is characterized by comprising an underground layered production allocation subsystem, an underground communication subsystem and a ground control subsystem; the underground layered production allocation subsystem comprises at least one underground wireless production allocator which is conveyed to each underground oil layer through an oil pipe and is separated by a packer;
the underground communication subsystem comprises a logging cable and a communication instrument, one end of the communication instrument is fixedly connected with the logging cable, and the other end of the communication instrument is provided with a built-in antenna communication device and is in information communication transmission with the underground wireless production allocator;
the ground control subsystem comprises a ground controller, the ground controller is connected with the communication instrument through a logging cable, and sends a control signal to the communication instrument in a power carrier mode.
2. The intelligent separate production wireless communication control system according to claim 1, wherein the downhole wireless production allocator comprises a lower joint, a downhole wireless production allocator wireless communication device, a slotted screen pipe, a pressure temperature sensor assembly, a choke assembly, a production allocation layer flow passing pipe, a control circuit board, a choke motor, a whole well flow passing pipe, a power supply battery assembly, an outer protecting pipe, an upper joint and a magnetic wake-up device; the lower end of the lower joint is connected with an oil pipe, the upper end of the lower joint is connected with an outer protecting pipe, a wireless communication device of an underground wireless production allocator is arranged in the lower joint, a slotted screen pipe is arranged outside the lower joint, and the lower joint is provided with a pressure temperature sensor assembly, an oil nozzle assembly, a production allocation layer overflowing pipe, an installation position of an entire well overflowing channel and an overflowing channel among the assemblies; the oil nozzle assembly is electrically connected with the oil nozzle motor; the lower end of the upper joint is connected with an outer protecting pipe, the upper end of the upper joint is connected with an oil pipe, a magnetic awakening device is arranged in the upper joint, and a positioning surface matched with a positioning claw of the communication instrument is arranged in the upper joint; and the power supply battery assembly is electrically connected with the control circuit board and the oil nozzle motor.
3. The intelligent separate mining wireless communication control system according to claim 1, wherein the communicator comprises a cable head, a weighted short section, a positioning short section and a communication short section which are sequentially connected; the cable head and logging cable fixed connection, install the locating pawl in the location nipple joint, the location nipple joint passes through the transmission shaft and is connected with the locating pawl motor, the built-in hall proximity switch of communication nipple joint, hall proximity switch can awaken up the built-in magnetism awakening device of wireless production allocator through magnetic signal, the communication nipple joint still embeds has communications appearance circuit board and communications appearance wireless communication device, and communications appearance wireless communication device relies on the electromagnetic wave to carry out data exchange with wireless production allocator wireless communication device in the pit.
4. An intelligent separate mining wireless communication control system according to claim 3, wherein one end of the communication nipple is provided with a guide cone.
5. The intelligent separate mining wireless communication control system according to claim 1, wherein the ground controller is further connected with a PC terminal.
6. The intelligent separate production wireless communication control system as claimed in claim 2, wherein the liquid inlet of the lower joint is sequentially communicated with the choke assembly, the production zone overflow pipe and the whole well overflow channel through a slotted screen pipe.
7. The intelligent distributed production wireless communication control system as claimed in claim 3, wherein the communicator circuit board is used for controlling the movement of a positioning claw motor, checking the downhole depth through a Hall proximity switch, and communicating data with the downhole wireless production allocator.
CN201921531435.3U 2019-09-12 2019-09-12 Intelligent separate mining wireless communication control system Active CN210798937U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116733426A (en) * 2023-08-11 2023-09-12 哈尔滨艾拓普科技有限公司 Oil well intelligent separate production system based on post-pump pressure pulse control and implementation method
CN116950618A (en) * 2023-09-18 2023-10-27 西安洛科电子科技股份有限公司 Electromagnetic coupling type wireless power supply and communication cable intelligent separate mining system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116733426A (en) * 2023-08-11 2023-09-12 哈尔滨艾拓普科技有限公司 Oil well intelligent separate production system based on post-pump pressure pulse control and implementation method
CN116733426B (en) * 2023-08-11 2023-12-15 哈尔滨艾拓普科技有限公司 Oil well intelligent separate production system based on post-pump pressure pulse control and implementation method
CN116950618A (en) * 2023-09-18 2023-10-27 西安洛科电子科技股份有限公司 Electromagnetic coupling type wireless power supply and communication cable intelligent separate mining system
CN116950618B (en) * 2023-09-18 2024-01-02 西安洛科电子科技股份有限公司 Electromagnetic coupling type wireless power supply and communication cable intelligent separate mining system

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