CN207017991U - Cable-free type producing well regulating multi-zone production rate device - Google Patents
Cable-free type producing well regulating multi-zone production rate device Download PDFInfo
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- CN207017991U CN207017991U CN201720877960.5U CN201720877960U CN207017991U CN 207017991 U CN207017991 U CN 207017991U CN 201720877960 U CN201720877960 U CN 201720877960U CN 207017991 U CN207017991 U CN 207017991U
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Abstract
The utility model provides a kind of cable-free type producing well regulating multi-zone production rate device, it can not only monitor in real time and the parameter such as the flow of each oil reservoir, aqueous, pressure, temperature under storage well, the data that can also be measured by cordless direct-reading with playing back each regulating multi-zone production rate unit, and oil nozzle aperture is regulated and controled according to data measured and realizes regulating multi-zone production rate.In the cable-free type producing well regulating multi-zone production rate device, communication pipe nipple is connected by cable with ground controller realizes two-way communication, and the two-way communication for wirelessly entering line command, data with each group regulating multi-zone production rate unit is transferred at regulating multi-zone production rate unit through back-off sub inner passage；Communicate in pipe nipple, magnetic orientation circuit is used for the accurate location for determining each regulating multi-zone production rate unit, and wakes up regulating multi-zone production rate unit by magnetic signal, regulating multi-zone production rate unit is entered people's normal operating conditions from resting state；Per component layers oil nozzle switch time sequence and sampling interval are preset with production unit.
Description
Technical field
The utility model belongs to petroleum gas field of detecting, and in particular to a kind of producing well regulating multi-zone production rate device.
Background technology
What petroleum gas field was conventional at present mainly has following several with production method：
1st, multi-parameter producing profile testing technology：Tested, obtained from oil jacket annular space tripping in produced fluid cross section tester device
Liquid information is produced, regulating multi-zone production rate is implemented in then operation.Its shortcoming is：Tubing string operation is still needed to when carrying out with production.
2nd, underground electronic switching technology：The program is to be separated each oil reservoir using packer, in the pipe of each interval
An electronic switch is carried on post.Electronic switch switchs shape according to the time series of setting or by geostatic pressure Pulse Width Control
State, combined ground detection flows and water-cut variation, find high aquifer formation, realize that layering is matched somebody with somebody by geostatic pressure pulse mode
Production.Its shortcoming is：Production liquid test needs ground conjunction measuring, and geostatic pressure pulse mode by hole condition, strata pressure change and
Temperature is had a great influence, and construction success rate is restricted.
3rd, cable type regulating multi-zone production rate technology：The program is to be separated each oil reservoir using cable-passing packer, each
Carried on the tubing string of interval and carry out producing liquid test and layering by cable connection to ground surface platform with production seating nipple, whole system
With production.The technological merit is can to monitor production liquid information in real time, can send order by ground at any time and carry out regulating multi-zone production rate；Shortcoming is
Downhole cable construction is complicated, and cost is high, and cable bad rate is high.
Utility model content
The utility model provides a kind of cable-free type producing well regulating multi-zone production rate device, can not only monitor in real time and storage well
Under each oil reservoir various parameters, the data that can also be measured by cordless direct-reading with playing back each regulating multi-zone production rate device, and
Oil nozzle aperture is regulated and controled according to data measured and realizes regulating multi-zone production rate.
Technical solution of the present utility model is：
The cable-free type producing well regulating multi-zone production rate device, including ground controller and underground, with production tubing string, the underground is with production
Communication pipe nipple, back-off sub and multigroup regulating multi-zone production rate unit are provided with tubing string, is respectively assembled between production unit and back-off sub
Packer is provided between matching somebody with somebody production unit with the first component layers；The communication pipe nipple is connected realization by cable with ground controller
Two-way communication, and through back-off sub inner passage transfer at regulating multi-zone production rate unit wirelessly with each group regulating multi-zone production rate list
Member enters the two-way communication of line command, data；
The communication pipe nipple includes control chip, magnetic orientation circuit, wireless communication module and power supply modulate circuit, the magnetic
Positioning circuit is used for the accurate location for determining each regulating multi-zone production rate unit, and wakes up regulating multi-zone production rate unit by magnetic signal, makes layering
Enter people's normal operating conditions from resting state with production unit；
Per component layers with production unit include supplying cell component, control chip, wireless communication module, wake-up circuit and
The various execution units being connected with control chip, and oil nozzle switch time sequence and sampling interval are preset, or by logical
Letter pipe nipple transmits ground control signal when observing and controlling works and sets oil nozzle switch time sequence and sampling interval.
Based on above scheme, the utility model has also further been made following specific optimization and targetedly designed：
The various execution units per component layers with production unit, including oil nozzle, the motor for adjusting oil nozzle aperture, stream
Quantity sensor, overpressure sensor, pipe external pressure sensor, temperature sensor and containing water sensor, by the power supply electricity
Pond assembly power supply.
Also include storage chip with production unit per component layers, for the data of collection to be carried out into real-time storage.
The power supply of ground controller is powered by the power supply modulate circuit for communication pipe nipple.
Packer is set using hydraulic setting mode, insulates each fluid producing layer, and there was liquid passage centre；Back-off sub is adopted
With hydraulic releasing mode.
Production method is matched somebody with somebody using above-mentioned cable-free type producing well regulating multi-zone production rate device, comprised the following steps：
(1) job execution
Back-off sub, packer, each regulating multi-zone production rate unit are sequentially connected by oil pipe, to be tested section are transferred to, in oil pipe
Injection pressure is completed packer setting and given up with tubing string, completes lower flow string, oil extraction pump after Back-off Pipe String operation；
(2) liquid test is produced
Each regulating multi-zone production rate unit opens oil nozzle according to setting sequential, and carries out data acquisition and reality according to the default sampling interval
When store, other time enters park mode；
(3) regulating multi-zone production rate
Ground controller is by cable connection communication pipe nipple, and communication pipe nipple is from oil jacket annular space through under back-off sub inner passage
It is put at regulating multi-zone production rate unit, wakes up regulating multi-zone production rate unit, row data communication is entered by wireless module；Communication pipe nipple is measuring
Data transfer is to ground controller, and when it is determined that high aquifer formation is with low-productivity layer, ground controller issues aperture regulation order, communication
Pipe nipple realizes that order transmission, each regulating multi-zone production rate unit carry out oil after receiving order with regulating multi-zone production rate unit with communication
Mouth switch motion, realizes regulating multi-zone production rate.
The utility model has advantages below：
1) each fluid producing layer installation regulating multi-zone production rate unit, coordinates packer to realize the measurement of each layer of production liquid, avoids
Interlayer interference.
2) contactless communication mode is used, it is different with production cell operation to reduce the various undergrounds caused by cable fault
Often, the transmitted in both directions of surface instruction and downhole instrument data and is realized by this way.
3) intelligent regulating multi-zone production rate is realized to recover the oil, can be according to ground order to dividing when finding main product layer and high aquifer formation
Layer oil nozzle carries out aperture regulation, improves oil recovery efficiency.
4) a tubing string construction is only needed, it is possible to complete the test of production liquid and regulating multi-zone production rate, save a large amount of manpower and materials.
Brief description of the drawings
Fig. 1 is the system block diagram of cable-free type producing well regulating multi-zone production rate device.
Fig. 2 is the connection diagram of cable-free type producing well regulating multi-zone production rate device.
Drawing reference numeral explanation：
1- ground controllers；2- pumps；3- cables；4- communication pipe nipples；5- back-off subs；6- packers；7- regulating multi-zone production rate lists
Member；8- ball valves；9- oil reservoirs.
Embodiment
As depicted in figs. 1 and 2, the cable-free type oil recovery regulating multi-zone production rate device includes ground controller 1, cable 3, communication pipe nipple
4th, the regulating multi-zone production rate unit 7 that is connected with tubing string, packer 6, back-off sub 5.Packer is sat using hydraulic setting mode
Envelope, insulates each fluid producing layer, there was liquid passage centre.Back-off sub uses hydraulic releasing mode.
Ground controller mainly includes power supply and terrestrial contr.Power supply supplies to terrestrial contr and communication pipe nipple
Electricity.Terrestrial contr includes control chip, hardware encoding/decoding circuit, control chip connection input module and display module.
Control chip is connected with hardware encoding/decoding circuit, and wherein hardware encoding circuit is sent after ground signal is encoded by cable
Communication pipe nipple is given, hardware decoding circuit is input to control chip after the signal that communication pipe nipple is uploaded by cable is decoded.
The pipe nipple that communicates includes power supply modulate circuit, control chip, hardware encoding/decoding circuit, magnetic orientation circuit, channel radio
Believe module.Power supply modulate circuit provides power supply for communication each circuit of pipe nipple.Control chip and hardware coding/decoding circuit, magnetic orientation
Circuit, wireless communication module are connected.Communication pipe nipple is connected by cable with ground controller, passes through respective hardware coding/decoding
Circuit realizes two-way communication with ground controller.Communication pipe nipple is ordered by its wireless communication module and regulating multi-zone production rate unit
Make, data transfer.Magnetic orientation circuit is used for the accurate location for determining regulating multi-zone production rate unit, while wakes up layering by magnetic signal and match somebody with somebody
Unit is produced, regulating multi-zone production rate unit is entered people's normal operating conditions from resting state.
Multiple regulating multi-zone production rate units are connected with oil pipe is arranged on each fluid producing layer, and interlayer is separated with packer.Regulating multi-zone production rate
Unit sets oil nozzle switch time sequence and sampling interval and (or transmits ground when observing and controlling works by communicating pipe nipple in advance
Control signal is configured).After the completion of construction, sequence opens oil nozzle to regulating multi-zone production rate unit at preset timed intervals, according between sampling
Every carrying out sampling test and data storage, instrument carries out resting state when not working, and reduces power consumption.When need data direct-reading, return
When putting, ordering control, communication pipe nipple is by cable connection ground controller by oil jacket annular space lower going-into-well, communication pipe nipple is transferred to
At regulating multi-zone production rate unit, with communication, carry out two-way communication and complete instruction transmission, data transfer, realize that industry is tested
With the purpose of regulating multi-zone production rate, the allotment time is shortened, labor intensity and cost is reduced, it is intelligently automatic to realize downhole tool
Change.
Regulating multi-zone production rate unit specifically include control chip, motor, oil nozzle, containing water sensor, flow sensor, TEMP
Device, overpressure sensor, pipe external pressure sensor, supplying cell component, wireless communication module, wake-up circuit and storage core
Piece.Wherein, the output containing water sensor, flow sensor, temperature sensor, overpressure sensor, pipe external pressure sensor
End connection control chip, control chip controlled motor adjust oil nozzle aperture.Storage chip is in real time deposited the data of collection
Storage.Supplying cell component is broadly divided into dynamo battery group and control panel battery pack, is powered respectively to motor and control chip, in addition
Control panel battery pack also gives the power supply such as each sensor, wake-up circuit by voltage conversion.
The course of work of the cable-free type regulating multi-zone production rate device is as follows：
(1) job execution
Oil pipe connection back-off sub, packer, regulating multi-zone production rate unit, transfer to be tested section.Injection pressure is completed in oil pipe
Packer setting is given up with tubing string.Lower flow string, oil extraction pump after completion Back-off Pipe String operation.
(2) liquid test is produced
After complete construction operation, regulating multi-zone production rate unit opens oil nozzle according to setting sequential.Regulating multi-zone production rate unit is according to default
Sampling interval carries out data acquisition and real-time storage, other time enter park mode.
(3) regulating multi-zone production rate
Ground controller transfers to underground with producing at unit from oil jacket annular space, wakes up well by cable connection communication pipe nipple
It is lower to match somebody with somebody production unit, row data communication is entered by wireless module.Communication pipe nipple data measured is transferred to ground controller, when it is determined that
When high aquifer formation is with low-productivity layer, ground controller issues aperture regulation order, and communication pipe nipple is with regulating multi-zone production rate unit with channel radio
Letter mode, realize that order transmission, each regulating multi-zone production rate unit carry out oil nozzle switch motion after receiving order, realize regulating multi-zone production rate.
Claims (5)
1. cable-free type producing well regulating multi-zone production rate device, including ground controller and underground are with production tubing string, it is characterised in that：The well
It is lower with communication pipe nipple, back-off sub and multigroup regulating multi-zone production rate unit is provided with production tubing string, respectively assemble between production unit and lose
Hand joint and the first component layers are provided with packer between matching somebody with somebody production unit；The communication pipe nipple passes through cable and ground controller phase
Company realizes two-way communication, and transfers at regulating multi-zone production rate unit through back-off sub inner passage and be wirelessly layered with each group
Enter the two-way communication of line command, data with production unit；
The communication pipe nipple includes control chip, magnetic orientation circuit, wireless communication module and power supply modulate circuit, the magnetic orientation
Circuit is used for the accurate location for determining each regulating multi-zone production rate unit, and wakes up regulating multi-zone production rate unit by magnetic signal, makes regulating multi-zone production rate
Unit enters people's normal operating conditions from resting state；
Per component layers with production unit include supplying cell component, control chip, wireless communication module, wake-up circuit and with control
The various execution units of coremaking piece connection, and oil nozzle switch time sequence and sampling interval are preset, or it is short by communicating
Section transmits ground control signal when observing and controlling works and sets oil nozzle switch time sequence and sampling interval.
2. cable-free type producing well regulating multi-zone production rate device according to claim 1, it is characterised in that：Per component layers with production unit
The various execution units, including oil nozzle, the motor for adjusting oil nozzle aperture, flow sensor, overpressure sensor,
Pipe external pressure sensor, temperature sensor and containing water sensor, by the supplying cell assembly power supply.
3. cable-free type producing well regulating multi-zone production rate device according to claim 2, it is characterised in that：Per component layers with production unit
Also include storage chip, for the data of collection to be carried out into real-time storage.
4. cable-free type producing well regulating multi-zone production rate device according to claim 1, it is characterised in that：The power supply of ground controller
Powered by the power supply modulate circuit for communication pipe nipple.
5. cable-free type producing well regulating multi-zone production rate device according to claim 1, it is characterised in that：The packer uses liquid
Pressure sets mode and set, and insulates each fluid producing layer, there was liquid passage centre；The back-off sub uses hydraulic releasing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720877960.5U CN207017991U (en) | 2017-07-19 | 2017-07-19 | Cable-free type producing well regulating multi-zone production rate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720877960.5U CN207017991U (en) | 2017-07-19 | 2017-07-19 | Cable-free type producing well regulating multi-zone production rate device |
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| Publication Number | Publication Date |
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| CN207017991U true CN207017991U (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720877960.5U Active CN207017991U (en) | 2017-07-19 | 2017-07-19 | Cable-free type producing well regulating multi-zone production rate device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313764A (en) * | 2017-07-19 | 2017-11-03 | 西安思坦仪器股份有限公司 | Cable-free type producing well regulating multi-zone production rate device and method |
| CN110185422A (en) * | 2019-05-23 | 2019-08-30 | 中国海洋石油集团有限公司 | A kind of novel cable-free type data double-way transmitting device of water injection well |
-
2017
- 2017-07-19 CN CN201720877960.5U patent/CN207017991U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313764A (en) * | 2017-07-19 | 2017-11-03 | 西安思坦仪器股份有限公司 | Cable-free type producing well regulating multi-zone production rate device and method |
| CN107313764B (en) * | 2017-07-19 | 2024-02-02 | 西安思坦仪器股份有限公司 | Cable-free oil extraction well layered production allocation device and method |
| CN110185422A (en) * | 2019-05-23 | 2019-08-30 | 中国海洋石油集团有限公司 | A kind of novel cable-free type data double-way transmitting device of water injection well |
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