CN108678716A - A kind of multiple tube seperated layer water injection intelligence control system and method - Google Patents
A kind of multiple tube seperated layer water injection intelligence control system and method Download PDFInfo
- Publication number
- CN108678716A CN108678716A CN201810496580.6A CN201810496580A CN108678716A CN 108678716 A CN108678716 A CN 108678716A CN 201810496580 A CN201810496580 A CN 201810496580A CN 108678716 A CN108678716 A CN 108678716A
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- China
- Prior art keywords
- multiple tube
- underground
- ground controller
- packer
- water injection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
Abstract
The present invention provides a kind of multiple tube seperated layer water injection intelligence control system and methods, including ground controller, it further include multiple tube, multiple tube lower end is connected to oil pipe by Tube jointer, the packer laid up and down and underground automatic control structure are concatenated on oil pipe, packer and underground automatic control structure are equipped with multigroup, and oil pipe tail portion is installed with check valve, screen casing and silk plug from top to bottom；Ground controller is electrically connected by cable with underground automatic control structure.Multiple tube resistance to corrosion is strong, can effectively the riser column length phase application reliability, reduce field operation risk；Supply lines and signal line structure design are integrated in multiple tube, meet underground control structure power supply and layering dynamic realtime monitoring；Downhole tool used Cable Construction Design, it is ensured that the smooth realization of signal and power supply improves the reliability of real-time control；Seperated layer water injection qualification rate will be substantially improved in zonal flow rate real-time control and remote real-time monitoring.
Description
Technical field
The invention belongs to oil field extracted water reinjection well technical fields, and in particular to a kind of multiple tube seperated layer water injection intelligent control
System and method.
Background technology
Currently, fine water injection technology is fast-developing, reservoir water drive development effectiveness is pushed to be substantially improved, but directional well, depth
Well increases year by year, and common process, which is surveyed, adjusts difficulty big, and the situation that is hampered protrudes, and constrains the further promotion of flood effectiveness.With often
Rule separate injection tubing string mostly uses the common packer for putting forward deblocking mode as casing protective packer, and water injection well completion is adopted when setting
With mode of suppressing, in addition change with water filling operating mode, orientation deep well pipe column can occur frequently to wriggle, and removing seal for packer is caused to lose
Effect, constrains the prolonged application reliability of casing.Although having developed nonmetal water power anchor in recent years, tubing string is controlled to a certain degree
It wriggles, avoids the failure of packer, but when later stage tubing string inspection string, tubing string deblocking difficulty is big, fails to reduce artificial underground work
Industry number reduces underground work risk.
Invention content
The object of the present invention is to provide a kind of multiple tube seperated layer water injection intelligence control system and methods, overcome existing layered cylinders
The column layering problem that qualification rate is low, manual work risk is big.
For this purpose, the present invention provides a kind of multiple tube seperated layer water injection intelligence control system, including ground controller, further include
Multiple tube, multiple tube lower end are connected to oil pipe by Tube jointer, and the packer laid up and down and underground are concatenated on oil pipe
Automatic control structure, packer and underground automatic control structure be equipped with it is multigroup, oil pipe tail portion be installed with from top to bottom check valve, sieve
Pipe and silk plug；
The ground controller is electrically connected by cable with underground automatic control structure, and packer uses cable-passing packer.
The underground automatic control structure is by shell, underground automated watch-keeping facility and hierarchical control valve group at underground is automatic
Monitoring device and hierarchical control valve are mounted in shell, and cable is made of signal wire and supply lines, and signal wire one end connects ground
Controller, the other end are electrically connected across multiple tube with underground automated watch-keeping facility, and underground automated watch-keeping facility is by collected note
Well data are transferred to ground controller by signal wire, and supply lines one end connects ground controller, and the other end passes through multiple tube
It is electrically connected with hierarchical control valve.
The underground automated watch-keeping facility is formed by pressure sensor, temperature sensor and flow sensor are integrated.
The hierarchical control valve is sequentially connected and is formed by motor, integrated water mouth structure, connecting rod and spool from top to bottom, ground
Water nozzle in pressure, temperature and data on flows control integrated water mouth structure that face controller is transmitted according to underground automated watch-keeping facility
Aperture.
The multiple tube is made of non-metallic material, and inner cavity is equipped with supervisor, and signal wire and supply lines are compounded in multiple tube
Tube wall on.
A kind of control method of multiple tube seperated layer water injection intelligence control system, includes the following steps：
Step 1：Connect multiple tube, Tube jointer, oil pipe, packer, underground automatic control structure, check valve, screen casing and silk
It is stifled to become tubing string, and ground controller and underground automatic control structure are electrically connected by cable, then it is logical to carry out electricity for G.I.H
Property test, keep electric circuit in well unobstructed；
Step 2：Tubing string in well suppress setting, makes packer setting, electric general character test is then carried out again, makes underground
Traffic clearance；
Step 3：It is sent and is instructed to underground automatic control structure by ground controller, hierarchical control valve opens integrated water nozzle
The water nozzle of structure supply water and opens note, and then ground controller is sent tests envelope instruction to packer, and packer is tested in completion
Envelope；
Step 4：Four different injection pressure are set in ground controller, carry out laminated distributor under well water filling, underground automatic control structure
Automatic test zonal flow rate, water injection pressure measurement 30 minutes, then draws water suction indicative curve according to zonal flow rate each time；
Step 5：It is established and is communicated by tele-control system and ground controller, ground controller and underground automatic control structure,
Hierarchical control valve establishes communication, and regulating command is sent to hierarchical control valve by ground controller, after hierarchical control valve receives instruction,
According to command content, zonal flow rate is adjusted, result then will be adjusted and feeds back to ground controller, ground controller is matched according to geology
Note requires, and repeats front and surveys tune process, until layered waterflooding quantity meets injection allocation requirement.
Ground controller is divided into manual mode transfer formula of surveying and surveys mode transfer formula with automatic, and ground controller may be selected to be certainly in step 5
Dynamic to survey mode transfer formula, hierarchical control valve automatically adjusts zonal flow rate according to geology water distribution quantity, and it is qualified to reach layering water distribution.
Beneficial effects of the present invention：This multiple tube seperated layer water injection intelligence control system and method provided by the invention, it is multiple
Close pipe resistance to corrosion it is strong, can effectively the riser column length phase application reliability, reduce field operation risk；It is integrated in multiple tube
Supply lines and signal line structure design meet underground control structure power supply and layering dynamic realtime monitoring；Downhole tool used
Cable Construction Design, it is ensured that the smooth realization of signal and power supply improves the reliability of real-time control；Zonal flow rate real-time control and
Seperated layer water injection qualification rate will be substantially improved in remote real-time monitoring.
The present invention is described in further details below with reference to attached drawing.
Description of the drawings
Fig. 1 is the structural schematic diagram of multiple tube seperated layer water injection intelligence control system.
Reference sign：1. ground controller；2. multiple tube；3. Tube jointer；4. signal wire；5. packer；6.
Underground automated watch-keeping facility；7. underground automatic control structure；8. check valve；9. screen casing；10. silk plug；11. supply lines；12. layering
Control valve；13. oil pipe；14. cable.
Specific implementation mode
Embodiment 1：
In order to overcome the problems, such as that existing separate-layer string layering qualification rate is low, manual work risk is big, one kind is present embodiments provided
Multiple tube seperated layer water injection intelligence control system further includes multiple tube 2 as shown in Figure 1, including ground controller 1, under multiple tube 2
End is connected to oil pipe 13 by Tube jointer 3, and the packer 5 laid up and down is concatenated on oil pipe 13 and underground automatically controls knot
Structure 7, packer 5 and underground automatic control structure 7 be equipped with it is multigroup, 13 tail portion of oil pipe is installed with check valve 8, screen casing 9 from top to bottom
With silk plug 10；The ground controller 1 is electrically connected by cable 14 with underground automatic control structure 7, and the packer 5 used
Cable packer.Cable-passing packer used Cable Construction Design, realized packer sealing structure above and below cable, packer
Tubing string meets power supply and signal connection.It should be noted that ground controller and cable-passing packer are the prior arts, it is specific
Structure not as the present invention protection point, be not described in detail herein.As shown in Figure 1, each underground automatically controls knot
Structure 7 corresponds to a water filling layer.
Multiple tube seperated layer water injection intelligence control system use process is as follows：
Test blending technology personnel are established by tele-control system and ground controller 1 and are communicated, and ground controller 1 and underground are certainly
Dynamic control structure 7 establishes communication, and regulating command is sent to underground automatic control structure 7 by ground controller 1, and underground automatically controls
After structure 7 receives instruction, according to command content, zonal flow rate is adjusted, result then will be adjusted and feeds back to ground controller 1, ground
Face controller 1 is required according to geology injection allocation, is repeated front and is surveyed tune process, until layered waterflooding quantity meets injection allocation requirement.
Ground controller 1 divide for survey manually mode transfer formula and it is automatic survey mode transfer formula, using be be that manual survey is adjusted in step 5
Pattern, ground controller 1 are alternatively chosn to survey mode transfer formula automatically, and underground automatic control structure 7 is automatic to adjust according to geology water distribution quantity
Zonal flow rate is saved, it is qualified to reach layering water distribution.
Ground controller 1 is established with tele-control system and downhole tool using cable mode and is communicated, and is realized long-range two-way
Communication Control and data transmission.
Embodiment 2：
On the basis of embodiment 1, the underground automatic control structure 7 is by shell, underground automated watch-keeping facility 6 and hierarchical control
Valve 12 forms, and underground automated watch-keeping facility 6 and hierarchical control valve 12 are mounted in shell, and cable 14 is by signal wire 4 and supply lines
11 compositions, 4 one end of signal wire connect ground controller 1, and the other end is electrically connected across multiple tube 2 with underground automated watch-keeping facility 6,
Collected water injection well data are transferred to ground controller 1, supply lines 11 1 by underground automated watch-keeping facility 6 by signal wire 4
End connection ground controller 1, the other end are electrically connected across multiple tube 2 with hierarchical control valve 12.
Multiple tube 2 is designed using non-metallic material, is met downhole packer and is set the anti-internal pressures of 15MPa and normal water injection technology
It is required that being internally integrated one supervisor's structure of design, tube wall composite power supply line 11 and signal wire 4, well head and ground controller 1, well
It is connect respectively with lower part layered water injection pipe supply lines 11 and signal wire 4 by combined string connector 3 down, it is then automatic with underground
Monitoring device 6, hierarchical control valve 12 are electrically connected, and meet remote real-time monitoring purpose.Water injection well well is acquired by ground controller 1
Dynamic datas data such as lower leaf flow, pressure, temperature, while realizing remote real_time control zonal flow rate, promote control can
By property and convenient later maintenance, underground work risk is reduced, and seperated layer water injection qualification rate is substantially improved, promotes dispensing well management
It is horizontal.
It tests blending technology personnel and communication, ground controller 1 and well is established by tele-control system and ground controller 1
Lower automatic control structure 7, hierarchical control valve 12 establish communication, and regulating command is sent to hierarchical control valve 12 by ground controller 1,
After hierarchical control valve 12 receives instruction, according to command content, zonal flow rate is adjusted, result then will be adjusted and feeds back to ground control
Device 1, ground controller 1 are required according to geology injection allocation, are repeated front and are surveyed tune process, until layered waterflooding quantity meets injection allocation requirement and is
Only.
Embodiment 3：
On the basis of embodiment 2, the underground automated watch-keeping facility 6 is by pressure sensor, temperature sensor and flow sensing
The integrated composition of device, in real time monitoring are layered dynamic data and real-time Transmission.
Embodiment 4：
On the basis of embodiment 2, the hierarchical control valve 12 is from top to bottom by motor, integrated water mouth structure, connecting rod and valve
Core is sequentially connected composition, pressure, temperature and the data on flows control that ground controller 1 is transmitted according to underground automated watch-keeping facility 6
The aperture of water nozzle in integrated water mouth structure.Hierarchical control valve 12 integrates motor and the design of integrated water mouth structure, real-time control
Zonal flow rate.
Embodiment 5：
On the basis of embodiment 2, the multiple tube 2 is made of non-metallic material, and inner cavity is equipped with supervisor, signal wire 4 and confession
Electric wire 11 is compounded on the tube wall of multiple tube 2.
Embodiment 6：
A kind of control method of multiple tube seperated layer water injection intelligence control system, includes the following steps：
Step 1：Connect multiple tube 2, Tube jointer 3, oil pipe 13, packer 5, underground automatic control structure 7, check valve 8,
Screen casing 9 and silk plug 10 become tubing string, and are electrically connected ground controller 1 and underground automatic control structure 7 by cable 14, then under
Enter and carry out electric general character test in well, keeps electric circuit in well unobstructed；
Step 2：Tubing string in well suppress setting, packer 5 is made to set, electric general character test is then carried out again, makes underground
Traffic clearance；
Step 3：It is sent and is instructed to underground automatic control structure 7 by ground controller 1, hierarchical control valve 12 opens integration
The water nozzle of water faucet structure supply water and opens note, and then ground controller 1 is sent tests envelope instruction to packer 5, completes to packing
Device 5 tests envelope；
Step 4：Four different injection pressure are set in ground controller 1, carry out laminated distributor under well water filling, underground automatically controls knot
Structure 7 tests zonal flow rate automatically, and water injection pressure measures 30 minutes each time, then draws water suction instruction song according to zonal flow rate
Line；
Step 5：It tests blending technology personnel and communication, ground controller 1 is established by tele-control system and ground controller 1
It establishes and communicates with underground automatic control structure 7, hierarchical control valve 12, regulating command is sent to hierarchical control by ground controller 1
Valve 12, after hierarchical control valve 12 receives instruction, according to command content, adjusts zonal flow rate, then will adjust result and feeds back to ground
Face controller 1, ground controller 1 are required according to geology injection allocation, are repeated front and are surveyed tune process, until layered waterflooding quantity meets injection allocation
Until it is required that.
Ground controller 1 divides to survey mode transfer formula manually and surveying mode transfer formula automatically, and ground controller 1 may be selected to be in step 5
Automatic to survey mode transfer formula, hierarchical control valve 12 automatically adjusts zonal flow rate according to geology water distribution quantity, and it is qualified to reach layering water distribution.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
Be with the present invention it is same or analogous design all belong to the scope of protection of the present invention within.The portion that the present embodiment does not describe in detail
The well-known components and common structure or conventional means of part and the structure category industry, do not describe one by one here.
Claims (7)
1. a kind of multiple tube seperated layer water injection intelligence control system, including ground controller（1）, it is characterised in that：Further include compound
Pipe（2）, multiple tube（2）Lower end passes through Tube jointer（3）It is connected to oil pipe（13）, oil pipe（13）On concatenate up and down lay
Packer（5）With underground automatic control structure（7）, packer（5）With underground automatic control structure（7）Equipped with multigroup, oil pipe
（13）Tail portion is installed with check valve from top to bottom（8）, screen casing（9）And silk plug（10）；
The ground controller（1）Pass through cable（14）With underground automatic control structure（7）Electrical connection, packer（5）Using
Cable packer.
2. multiple tube seperated layer water injection intelligence control system as described in claim 1, it is characterised in that：The underground automatically controls
Structure（7）By shell, underground automated watch-keeping facility（6）With hierarchical control valve（12）Composition, underground automated watch-keeping facility（6）With point
Layer control valve（12）In shell, cable（14）By signal wire（4）And supply lines（11）Composition, signal wire（4）One end connects
Ground plane controller（1）, the other end is across multiple tube（2）With underground automated watch-keeping facility（6）Electrical connection, underground monitors dress automatically
It sets（6）Collected water injection well data are passed through into signal wire（4）It is transferred to ground controller（1）, supply lines（11）One end connects
Ground controller（1）, the other end is across multiple tube（2）With hierarchical control valve（12）Electrical connection.
3. multiple tube seperated layer water injection intelligence control system as claimed in claim 2, it is characterised in that：The underground monitors automatically
Device（6）It is formed by pressure sensor, temperature sensor and flow sensor are integrated.
4. multiple tube seperated layer water injection intelligence control system as claimed in claim 2, it is characterised in that：The hierarchical control valve
（12）It is sequentially connected and is formed by motor, integrated water mouth structure, connecting rod and spool from top to bottom, ground controller（1）According to well
Lower automated watch-keeping facility（6）Pressure, temperature and the data on flows of transmission control the aperture of water nozzle in integrated water mouth structure.
5. multiple tube seperated layer water injection intelligence control system as claimed in claim 2, it is characterised in that：The multiple tube（2）It adopts
It is made of non-metallic material, inner cavity is equipped with supervisor, signal wire（4）And supply lines（11）It is compounded in multiple tube（2）Tube wall on.
6. a kind of control of multiple tube seperated layer water injection intelligence control system as described in any claim in Claims 1 to 5
Method, which is characterized in that include the following steps：
Step 1：Connect multiple tube（2）, Tube jointer（3）, oil pipe（13）, packer（5）, underground automatic control structure
（7）, check valve（8）, screen casing（9）And silk plug（10）As tubing string, and pass through cable（14）It is electrically connected ground controller（1）With well
Lower automatic control structure（7）, then the electric general character test of G.I.H progress, keeps electric circuit in well unobstructed；
Step 2：Tubing string in well suppress setting, makes packer（5）It sets, then carries out electric general character test again, make well
Lower traffic clearance；
Step 3：Pass through ground controller（1）To underground automatic control structure（7）Send instruction, hierarchical control valve（12）It opens
The water nozzle of integrated water mouth structure supply water and opens note, then ground controller（1）It sends to packer（5）Test envelope instruction,
It completes to packer（5）Test envelope；
Step 4：In ground controller（1）Four different injection pressure are set, carry out laminated distributor under well water filling, underground automatically controls
Structure（7）Automatic test zonal flow rate, water injection pressure measurement 30 minutes, then draws water suction instruction according to zonal flow rate each time
Curve；
Step 5：Pass through tele-control system and ground controller（1）Establish communication, ground controller（1）It is controlled automatically with underground
Structure processed（7）, hierarchical control valve（12）Establish communication, ground controller（1）Regulating command is sent to hierarchical control valve（12）,
Hierarchical control valve（12）After receiving instruction, according to command content, zonal flow rate is adjusted, result then will be adjusted and feeds back to ground control
Device processed（1）, ground controller（1）It is required according to geology injection allocation, repeats front and survey tune process, until layered waterflooding quantity meets injection allocation
Until it is required that.
7. the control method of multiple tube seperated layer water injection intelligence control system as claimed in claim 6, it is characterised in that：It controls on ground
Device processed（1）It is divided into and surveys mode transfer formula and automatic survey mode transfer formula manually, ground controller in step 5（1）It may be selected to be automatic survey mode transfer
Formula, hierarchical control valve（12）According to geology water distribution quantity, zonal flow rate is automatically adjusted, it is qualified to reach layering water distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496580.6A CN108678716A (en) | 2018-05-22 | 2018-05-22 | A kind of multiple tube seperated layer water injection intelligence control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810496580.6A CN108678716A (en) | 2018-05-22 | 2018-05-22 | A kind of multiple tube seperated layer water injection intelligence control system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108678716A true CN108678716A (en) | 2018-10-19 |
Family
ID=63807661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810496580.6A Pending CN108678716A (en) | 2018-05-22 | 2018-05-22 | A kind of multiple tube seperated layer water injection intelligence control system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538179A (en) * | 2018-12-26 | 2019-03-29 | 中国石油天然气股份有限公司 | A kind of adaptive water-injection control device in underground and control method |
| CN109630077A (en) * | 2018-12-21 | 2019-04-16 | 中国石油天然气股份有限公司 | Cable laminated distributor under well direct-reading controls tubing string built in a kind of flexible composite pipe |
| CN111878069A (en) * | 2020-08-04 | 2020-11-03 | 华信唐山石油装备有限公司 | Composite continuous pipe cable oil-water well casing leakage finding system and method |
| CN116006139A (en) * | 2023-03-20 | 2023-04-25 | 西安洛科电子科技股份有限公司 | Cable intelligent dispensing system using wireless power transmission |
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| CN107630689A (en) * | 2017-11-10 | 2018-01-26 | 中国石油化工股份有限公司 | Ground controls time-sharing layered water-filling method and cable control water dispensing apparatus and its application method |
| CN208718633U (en) * | 2018-05-22 | 2019-04-09 | 中国石油天然气股份有限公司 | A kind of multiple tube seperated layer water injection intelligence control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630077A (en) * | 2018-12-21 | 2019-04-16 | 中国石油天然气股份有限公司 | Cable laminated distributor under well direct-reading controls tubing string built in a kind of flexible composite pipe |
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| CN111878069A (en) * | 2020-08-04 | 2020-11-03 | 华信唐山石油装备有限公司 | Composite continuous pipe cable oil-water well casing leakage finding system and method |
| CN116006139A (en) * | 2023-03-20 | 2023-04-25 | 西安洛科电子科技股份有限公司 | Cable intelligent dispensing system using wireless power transmission |
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