CN107313764A - Cable-free type producing well regulating multi-zone production rate device and method - Google Patents
Cable-free type producing well regulating multi-zone production rate device and method Download PDFInfo
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- CN107313764A CN107313764A CN201710590979.6A CN201710590979A CN107313764A CN 107313764 A CN107313764 A CN 107313764A CN 201710590979 A CN201710590979 A CN 201710590979A CN 107313764 A CN107313764 A CN 107313764A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 111
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title abstract description 5
- 238000004891 communication Methods 0.000 claims abstract description 51
- 210000002445 nipple Anatomy 0.000 claims abstract description 35
- 238000005070 sampling Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 10
- 230000000284 resting effect Effects 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 210000003850 cellular structure Anatomy 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims 1
- 210000002478 hand joint Anatomy 0.000 claims 1
- 239000010410 layer Substances 0.000 description 13
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/14—Obtaining from a multiple-zone well
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a kind of cable-free type producing well regulating multi-zone production rate device and method, 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 each regulating multi-zone production rate unit of playback, and regulating multi-zone production rate is realized according to data measured regulation and control oil nozzle aperture.In the cable-free type producing well regulating multi-zone production rate device, communication pipe nipple is connected with ground controller by cable and realizes two-way communication, and is transferred to through back-off sub inner passage at regulating multi-zone production rate unit and wirelessly entered line command, the two-way communication of data with each group regulating multi-zone production rate unit；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 invention belongs to petroleum gas field of detecting, and in particular to a kind of producing well regulating multi-zone production rate device and method.
Background technology
The conventional production method of matching somebody with somebody of current petroleum gas field mainly has following several：
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.It has the disadvantage：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
With an electronic switch 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.It has the disadvantage：Production liquid test needs ground conjunction measuring, and geostatic pressure pulse mode by hole condition, strata pressure change and
The influence of temperature is larger, 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 with production seating nipple, whole system carries out the test of production liquid and layering by cable connection to ground surface platform
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；Have the disadvantage
Downhole cable construction is complicated, and cost is high, and cable bad rate is high.
The content of the invention
The invention provides a kind of cable-free type producing well regulating multi-zone production rate device and method, not only it can monitor and store in real time
The various parameters of each oil reservoir in underground, the data that can also be measured by cordless direct-reading with each regulating multi-zone production rate device of playback,
And regulating multi-zone production rate is realized according to data measured regulation and control oil nozzle aperture.
The present invention technical solution be：
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 line command, the two-way communication of 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 present invention has also further 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, there was liquid passage centre；Back-off sub is adopted
Use 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 completes packer setting and given up with tubing string, completes lower flow string, oil extraction pump after Back-off Pipe String operation；
(2) production liquid test
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 order transmission with regulating multi-zone production rate unit with communication, and each regulating multi-zone production rate unit, which is received, carries out oil after order
Mouth switch motion, realizes regulating multi-zone production rate.
The present invention has advantages below：
1) each fluid producing layer installs regulating multi-zone production rate unit, coordinates packer to realize the measurement of each layer of production liquid, it is to avoid
Interlayer interference.
2) contactless communication mode is used, the various undergrounds reduced caused by cable fault are different with production cell operation
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 is supplied 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, the signal that hardware decoding circuit is uploaded communication pipe nipple by cable is input to control chip after decoding.
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 with 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, matches somebody with somebody while waking up layering by magnetic signal
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 installed in 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 the pipe nipple that communicates 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 in oil jacket annular space lower going-into-well, and 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, downhole tool is realized intelligently automatic
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, containing water sensor, flow sensor, temperature sensor, overpressure sensor, pipe external pressure sensor output
End connection control chip, control chip controlled motor adjusts 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.Complete lower flow string, oil extraction pump after Back-off Pipe String operation.
(2) production liquid test
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, and other time enters 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, realizes order transmission, and each regulating multi-zone production rate unit receives progress oil nozzle switch motion after order, realizes regulating multi-zone production rate.
Claims (6)
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 and be wirelessly layered with each group through back-off sub inner passage
With production unit enter line command, data two-way communication；
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.
6. matching somebody with somebody production method using cable-free type producing well regulating multi-zone production rate device described in claim 1, comprise the following steps：
(1) job execution
Back-off sub, packer, each regulating multi-zone production rate unit are sequentially connected by oil pipe, transfer to be tested section, the injection pressure in oil pipe
Complete packer setting to give up with tubing string, complete lower flow string, oil extraction pump after Back-off Pipe String operation；
(2) production liquid test
Each regulating multi-zone production rate unit opens oil nozzle according to setting sequential, and carries out data acquisition with depositing in real time according to the default sampling interval
Storage, other time enters park mode；
(3) regulating multi-zone production rate
Ground controller transfers to layering from oil jacket annular space by cable connection communication pipe nipple, communication pipe nipple through inner passage of giving up
At production unit, regulating multi-zone production rate unit is waken up, row data communication is entered by wireless module；Pipe nipple communicate the data transfer measured
To ground controller, when it is determined that high aquifer formation is with low-productivity layer, ground controller issues aperture regulation order, and communication pipe nipple is with dividing
Layer matches somebody with somebody production unit and realizes order transmission with communication, and it is dynamic that each regulating multi-zone production rate unit receives progress oil nozzle switch after order
Make, realize regulating multi-zone production rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590979.6A CN107313764B (en) | 2017-07-19 | 2017-07-19 | Cable-free oil extraction well layered production allocation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590979.6A CN107313764B (en) | 2017-07-19 | 2017-07-19 | Cable-free oil extraction well layered production allocation device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313764A true CN107313764A (en) | 2017-11-03 |
| CN107313764B CN107313764B (en) | 2024-02-02 |
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| CN201710590979.6A Active CN107313764B (en) | 2017-07-19 | 2017-07-19 | Cable-free oil extraction well layered production allocation device and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043215A (en) * | 2019-05-28 | 2019-07-23 | 西安思坦仪器股份有限公司 | A kind of electronic plugging device of horizontal well |
| CN112459773A (en) * | 2019-09-06 | 2021-03-09 | 中国石油化工股份有限公司 | Real-time measuring device for water injection string |
| CN113236199A (en) * | 2020-11-09 | 2021-08-10 | 中国海洋石油集团有限公司 | Oil well cable control layered monitoring and intelligent production allocation system and use method thereof |
| CN114183103A (en) * | 2021-11-26 | 2022-03-15 | 中国石油天然气股份有限公司 | Underground integrated control intelligent layered oil production pipe column |
| 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 |
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| CN113236199A (en) * | 2020-11-09 | 2021-08-10 | 中国海洋石油集团有限公司 | Oil well cable control layered monitoring and intelligent production allocation system and use method thereof |
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| 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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| Publication number | Publication date |
|---|---|
| CN107313764B (en) | 2024-02-02 |
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