CN106150433A - A kind of downhole intelligent balanced production control valve - Google Patents

A kind of downhole intelligent balanced production control valve Download PDF

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Publication number
CN106150433A
CN106150433A CN201610692583.8A CN201610692583A CN106150433A CN 106150433 A CN106150433 A CN 106150433A CN 201610692583 A CN201610692583 A CN 201610692583A CN 106150433 A CN106150433 A CN 106150433A
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CN
China
Prior art keywords
unit
control valve
production control
data acquisition
control
Prior art date
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.)
Pending
Application number
CN201610692583.8A
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Chinese (zh)
Inventor
吕玮
张全胜
张峰
李明
任家敏
赵明宸
武继辉
董建国
杨斌
贾德利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering Shengli Co
Original Assignee
China Petroleum and Chemical Corp
Sinopec Research Institute of Petroleum Engineering Shengli Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Petroleum and Chemical Corp, Sinopec Research Institute of Petroleum Engineering Shengli Co filed Critical China Petroleum and Chemical Corp
Priority to CN201610692583.8A priority Critical patent/CN106150433A/en
Publication of CN106150433A publication Critical patent/CN106150433A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells
    • E21B34/06Valve arrangements for boreholes or wells in wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells
    • E21B34/06Valve arrangements for boreholes or wells in wells
    • E21B34/08Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/14Obtaining from a multiple-zone well

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  • 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)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The present invention is a kind of downhole intelligent balanced production control valve, it is possible to realize equilibrium separate zone production in oil well.This control valve includes rechargeable electric power system, data acquisition storage system, CPU centralized management system and flow control system, between the centrally disposed pipe of said system and outer cylinder sheath, be connected by connector, central canal be respectively arranged at two ends with top connection and lower contact is connected with oil pipe string.The present invention is in separate zone production flow string, and by double-direction radio REID between regulation device, completes monitoring, intelligent control and artificial adjustment in real time to oil well production parameter, it is achieved the equilibrium exploitation of oil reservoir.

Description

A kind of downhole intelligent balanced production control valve
Technical field
The present invention relates to the underground mining tool of production of oil-gas field development, particularly a kind of downhole intelligent balanced production control Valve processed, it is possible to realize equilibrium separate zone production in oil well.
Background technology
In recent years, owing to oil field rises year by year through exploitation for many years, stratum composite water cut, oil water relation is multiple further Miscellaneous, serious interlayer interference, interlayer is employed unbalanced, and anisotropism is serious, causes bottom water, the coning of pneumatic jack or coning, makes pit shaft Gas is shown in premature water breakthrough, thus causes the unbalanced production of oil well, and oil mass reduces or oil well stops production, and has had a strong impact on oil recovery rate And development benefit.Therefore, the basic demand that the oil well dynamic means of production intuitively are oil field water and oil controls, monitoring regulation and control are grasped The downhole parameters such as the pressure of oil reservoir, temperature, flow, moisture content are the basic means of balanced production.At present, both at home and abroad to down-hole The monitoring of parameter, regulation and control mainly use cable to connect oil pipe string and pump G.I.H with downhole parameters control valve, and are connected to Well head, is acquired by the connection of ground control system with cable oil-gas Layer manufacturing parameter, stores, regulates and controls, downhole parameters Control valve no data processor and be automatically adjusted, the function such as data storage, there is construction complexity in which, the cycle is long, costly Problem, and often occur the friction between cable and oil well casing, collision to cause cable breakage to make regulation and control failure, therefore, The monitoring of the dynamic means of production in down-hole, regulation and control are the bottleneck problems during current Oil/gas Well produces.Production scene needs to develop one Just can monitor, regulate and control the control valve of downhole production parameter without cable.
Summary of the invention
It is an object of the present invention to provide a kind of downhole intelligent balanced production control valve, for the serious and aqueous rising of anisotropism In the separate zone production flow string of the down-hole equilibrium separate zone production of too fast oil reservoir, by double-direction radio REID, complete The intelligent control of paired oilwell parameter and artificial adjustment.On the basis of motionless separate zone production flow string, it is achieved equilibrium layering Exploitation produces, and reduces production cost.
A kind of downhole intelligent balanced production control valve includes that rechargeable electric power system, data acquisition storage system, CPU concentrate Management system and flow control system, between the centrally disposed pipe of said system and outer cylinder sheath, be connected by connector, at center Pipe be respectively arranged at two ends with top connection and lower contact is connected with oil pipe string.
The present invention has following significant effect: the present invention is arranged in separate zone production flow string and can be filled by regulation and control Put use double-direction radio REID, complete oil well pressure, temperature, flow, the isoparametric real-time monitoring of moisture content, complete Become intelligent control and artificial adjustment, it is achieved the raising of the equilibrium of oil reservoir, effective exploitation and recovery ratio, equalize separate zone production for oil well Provide effective, intelligent monitoring, control methods.Its remarkable result is the most following:
1) multiple present invention, the flow control of the present invention can be placed in separate zone production flow string according to the quantity of production range System has automated intelligent regulation and the double working modes function of human intervention regulation, meet in time, accurately steady oil control water adjust Control.
2) the CPU centralized management system of the present invention, transmits data by double-direction radio REID, it is achieved to ground The reception of control instruction, send and store and the passback of downhole production data, and to other each system mode logical judgment and Control.
3) the rechargeable electric power system to the present invention of the electromagnetic induction technology in double-direction radio REID can be used It is charged power supply, it is not necessary to cable, saves operating expenses, simple to operate, safe and reliable.The present invention disclosure satisfy that to monitor in real time and needs Ask, save a large amount of operating cost and activity duration, there is significant economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is rechargeable electric power system structural representation in Fig. 1.
Fig. 3 is data acquisition memory system architecture schematic diagram in Fig. 1.
Fig. 4 is CPU centralized management system structural representation in Fig. 1.
Fig. 5 is flow control system structure schematic diagram in Fig. 1.
Fig. 6 is the regulation device operation principle schematic diagram to wireless charging of the present invention.
Fig. 7 is that regulation device is to double-direction radio of the present invention transmission and the operation principle schematic diagram of regulation and control.
Detailed description of the invention
Below in conjunction with the detailed description present invention, not limiting the scope of the invention, the design of all use present invention is thought The improvement that rood goes out belongs to the protection category of the present invention.
Seeing Fig. 1 to Fig. 7, a kind of downhole intelligent balanced production control valve includes rechargeable electric power system 7-4, data acquisition Storage system 7-6, CPU centralized management system 7-7 and flow control system 7-9, said system centrally disposed pipe 7-5 and outer shell Set 7-2 between, connected by connector 7-8, central canal 7-5 be respectively arranged at two ends with top connection 7-1 and lower contact 7-10 with Oil pipe string 4 connects.CPU centralized management system 7-7 includes double-direction radio transmission unit 7-7-1, instructs two-way processing unit 7-7- 2, intelligent conversion regulation and control unit 7-7-3 and telemetry circuit plate 7-7-4, instructs two-way processing unit 7-7-2 by native system circuit Data wire and control line respectively with double-direction radio transmission unit 7-7-1, intelligent conversion regulation and control unit 7-7-3 and telemetry circuit plate 7-7-4 connects.Rechargeable electric power system 7-4 includes energy converter 7-4-1 and TunePower group 7-4-2, TunePower Group 7-4-2 is arranged on the outside of energy converter 7-4-1, is connected by charging conversion circuit plate between the two, TunePower Group 7-4-2 stores system 7-6, CPU centralized management system 7-by the connection circuit of rechargeable electric power system 7-4 with data acquisition 7 and flow control system 7-9 connect, for said system supply unidirectional current;The upper lumen of energy converter 7-4-1 is taper Chamber, enters under conveniently regulating and controlling device.Flow control system 7-9 includes instruction execution unit 7-9-1, flow regulating unit 7-9-2, control Circuit unit 7-9-3 processed and motor 7-9-4, motor 7-9-4 are by drive assembly with the valve block in flow regulating unit 7-9-2 even Connect, the motor 7-9-4 TunePower group connecting circuit and rechargeable electric power system 7-4 by control circuit unit 7-9-3 7-4-2 connects.Data acquisition storage system 7-6 includes data storage cell 7-6-1, piezometer 7-6-2, thermometer 7-6-3, stream Gauge 7-6-4 and aqueous tester 7-6-5, thermometer 7-6-3 be arranged on central canal 7-5 side, by data acquisition board with Data storage cell 7-6-1 connects, piezometer 7-6-2, thermometer 7-6-3, effusion meter 7-6-4 and aqueous tester 7-6-5 It is connected with data storage cell 7-6-1 after being connected by data acquisition lines.Arrange between central canal 7-5 and outer cylinder sheath 7-2 Sealing member 7-3.
Each system manufacturing parameter of the present invention is carried out pre-designed according to oil reservoir and hole condition demand and sets, by set The present invention is coupled in separate zone production flow string.
With the present invention with the use of regulation device include adapter 10, wireless identification electromagnetic induction charged device 11 and nothing Line RF identification docking adapter 12, cable 9 and adapter 10, wireless identification electromagnetic induction charged device 11 and radio frequency identification pair Connecing device 12 to be sequentially connected with, regulation device is lowered in separate zone production flow string by cable 9 and docks with the present invention.Wireless identification The energy converter 7-4-1 of electromagnetic induction charged device 11 and the present invention with the use of.
The wireless charging function of the present invention and operation principle: wireless identification electromagnetic induction charged device on regulation device 11 and this The bright energy converter 7-4-1 in rechargeable electric power system 7-4 completes docking by wireless identification and inverter circuit is changed, so The charging to TunePower group 7-4-2 is completed afterwards, it is ensured that when TunePower group 7-4-2 can continue long by electromagnetic induction Between work, the TunePower group 7-4-2 internal circuit to the data storage cell 7-6-1 of data acquisition and memory system 7-6 Plate, the telemetry circuit plate 7-7-4 of CPU centralized management system 7-7, the control circuit unit 7-9-3 supply of flow control system 7-9 Unidirectional current, it is ensured that the normal work of each system.
The CPU centralized management system 7-7 of radio frequency identification docking adapter 12 and the present invention with the use of.
The wireless transmission function of the present invention and operation principle: the radio frequency identification docking adapter 12 on regulation device is concentrated with CPU After in management system 7-7, double-direction radio transmission unit 7-7-1 is docked by double-direction radio RF identification, radio carrier will instruction Two-way processing unit 7-7-2 activates, and instructs two-way processing unit 7-7-2 and the transmission recognized instruction is sent to telemetry circuit plate 7-7-4, telemetry circuit plate 7-7-4 send an instruction to data storage cell 7-6-1 again, and data storage cell 7-6-1 is by pressure The dynamic monitoring historical storage number that meter 7-6-2, thermometer 7-6-3, effusion meter 7-6-4 and detector for water content rate 7-6-5 collect Uploading according to by instruction, until passing to double-direction radio transmission unit 7-7-1, being wirelessly transmitted to by radio carrier wireless the most again On RF identification docking adapter 12, it is finally delivered to GCU.
The present invention has automated intelligent regulation and control work functions and human intervention adjusting function.
Automated intelligent regulation and control work functions and operation principle: i.e. after producing a period of time, the production fluid of each production range Do not meet design requirement, when need to carry out periodically checking adjustment by the pre-designed parameter in ground, the instruction two-way process list of the present invention Unit 7-7-2 just starts automated intelligent regulation and control instruction and is sent to intelligent conversion regulation and control unit 7-7-3, intelligent conversion regulation and control unit 7- 7-3 sends an instruction to again instruction execution unit 7-9-1, instruction execution unit 7-9-1 and checks stream by the operating of motor 7-9-4 The aperture of amount regulation unit 7-9-2 middle valve plate, carries out checking regulation and control to the production fluid of residing layer or section, completes automated intelligent regulation and control merit Energy.
Human intervention adjusting function and operation principle: when the aqueous rising of the equilibrium each layer of separate zone production or section is too fast or bottom water When coning needs to carry out the CPU centralized management system 7-7 of the present invention human intervention regulation and control, and rechargeable electric power system 7-4 When needing charging, regulation device is lowered in the present invention of separate zone production flow string by cable 9 and positions, it is ensured that under To design attitude.Then wireless identification electromagnetic induction charged device 11 completes the charging to the present invention, radio frequency identification docking adapter 12 couples of present invention complete the double-direction radio RF identification of parameters and are transferred to GCU.
After ground installation receives data, it is analyzed according to oil reservoir and hole condition, then sends human intervention regulating command, Each system mode logical judgment and control to the present invention, adjusts the equilibrium output of each section of oil reservoir.Radio frequency identification docking adapter After 12 continue to dock by double-direction radio RF identification with double-direction radio transmission unit 7-7-1 in CPU centralized management system 7-7, Radio carrier will instruct two-way processing unit 7-7-2 and activate, and instruct the human intervention that two-way processing unit 7-7-2 will receive Regulating command is sent to intelligent conversion regulation and control unit 7-7-3, intelligent conversion regulation and control unit 7-7-3 and sends an instruction to instruction again and hold Row unit 7-9-1, the instruction execution unit 7-9-1 operating by motor 7-9-4, adjusts flow regulating unit 7-9-2 middle valve plate Aperture, the production fluid of adjustment layer is carried out equilibrium regulation and control, completes the human intervention regulatory function to this mined bed or section.
Each system of the present invention is operated according to design parameter, completes down-hole pressure, temperature, flow, moisture content etc. raw Produce the collection of parameter, storage and automated intelligent regulation and control, when production range needs, regulation device can be coordinated to complete people For intervening regulation and control.
The embodiment described above is only exemplary embodiments, but the present invention is not limited only to these embodiments, this area Technical staff can make amendment in the spirit without departing from the present invention under enlightenment.Aspect disclosed herein there may be a lot Changing, combine and revise, and be within, therefore, protection domain is not limited only to explanation above.

Claims (7)

1. a downhole intelligent balanced production control valve, is characterized in that, deposit including rechargeable electric power system (7-4), data acquisition Storage system (7-6), CPU centralized management system (7-7) and flow control system (7-9), the centrally disposed pipe of said system (7-5) With between outer cylinder sheath (7-2), be connected by connector (7-8), it is respectively arranged at two ends with top connection (7-1) at central canal (7-5) It is connected with oil pipe string with lower contact (7-10).
2. a kind of downhole intelligent balanced production control valve as claimed in claim 1, is characterized in that, described CPU manages system concentratedly System (7-7) includes double-direction radio transmission unit (7-7-1), instructs two-way processing unit (7-7-2), intelligent conversion regulation and control unit (7-7-3) with telemetry circuit plate (7-7-4), the two-way processing unit (7-7-2) data wire by native system circuit and control are instructed Line processed regulates and controls unit (7-7-3) and telemetry circuit plate (7-7-4) with double-direction radio transmission unit (7-7-1), intelligent conversion respectively Connect.
3. a kind of downhole intelligent balanced production control valve as claimed in claim 2, is characterized in that, described rechargeable electric power system (7-4) including energy converter (7-4-1) and TunePower group (7-4-2), TunePower group (7-4-2) is arranged on electric energy The outside of transducer (7-4-1), is connected by charging conversion circuit plate between the two, and TunePower group (7-4-2) is by filling The connection circuit of electric-type electric power system (7-4) and data acquisition storage system (7-6), CPU centralized management system (7-7) and flow Regulator control system (7-9) connects, and supplies unidirectional current for said system;The upper lumen of energy converter (7-4-1) is conical cavity.
4. a kind of downhole intelligent balanced production control valve as claimed in claim 3, is characterized in that, described TunePower group (7-4-2) internal circuit board of data storage cell (7-6-1), the CPU of data acquisition and memory system (7-6) is managed concentratedly system The system telemetry circuit plate (7-7-4) of (7-7), control circuit unit (7-9-3) the supply unidirectional current of flow control system (7-9).
5. a kind of downhole intelligent balanced production control valve as claimed in claim 3, is characterized in that, described flow control system (7-9) instruction execution unit (7-9-1), flow regulating unit (7-9-2), control circuit unit (7-9-3) and motor (7-are included 9-4), motor (7-9-4) is connected with the valve block in flow regulating unit (7-9-2) by drive assembly, and motor (7-9-4) passes through The connection circuit of control circuit unit (7-9-3) is connected with the TunePower group (7-4-2) of rechargeable electric power system (7-4).
6. a kind of downhole intelligent balanced production control valve as claimed in claim 5, is characterized in that, described data acquisition storage is System (7-6) includes data storage cell (7-6-1), piezometer (7-6-2), thermometer (7-6-3), effusion meter (7-6-4) and contains Water tester (7-6-5), thermometer (7-6-3) is arranged on the side of central canal (7-5), is stored with data by data acquisition board Unit (7-6-1) connects, piezometer (7-6-2), thermometer (7-6-3), effusion meter (7-6-4) and aqueous tester (7-6- 5) it is connected with data storage cell (7-6-1) after being connected by data acquisition lines.
7. downhole intelligent balanced production control valve as claimed in claim 2 a kind of, is characterized in that, described central canal (7-5) with Sealing member (7-3) is set between outer cylinder sheath (7-2).
CN201610692583.8A 2016-08-21 2016-08-21 A kind of downhole intelligent balanced production control valve Pending CN106150433A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703763A (en) * 2017-01-04 2017-05-24 中国海洋石油总公司 Intelligent layered mining system applicable to offshore oilfield sand control well completion
CN107294221A (en) * 2017-08-17 2017-10-24 中国石油大学(华东) Down-hole switch control system and method
US11725485B2 (en) 2020-04-07 2023-08-15 Halliburton Energy Services, Inc. Concentric tubing strings and/or stacked control valves for multilateral well system control

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US20100139909A1 (en) * 2008-12-04 2010-06-10 Tirado Ricardo A Intelligent Well Control System for Three or More Zones
CN102011577A (en) * 2010-12-14 2011-04-13 北京金科龙石油技术开发有限公司 Intelligent testing and regulating controller
CN102536152A (en) * 2012-01-13 2012-07-04 天津哈德韦尔自控技术有限公司 Underground digital intelligent water shutoff system of water injection well
CN202954797U (en) * 2012-07-31 2013-05-29 中国石油天然气股份有限公司 Electromechanical concentric separate injection testing and adjusting control system
CN104453809A (en) * 2014-12-05 2015-03-25 中国石油天然气股份有限公司 Digital intelligent water distributor
CN204283379U (en) * 2014-12-08 2015-04-22 众通(北京)能源技术有限公司 Screen casing completes oil well intelligent water control pipe post
CN105201469A (en) * 2015-09-21 2015-12-30 哈尔滨博华科技有限公司 Wireless communication type water injection well layered injection allocation device and water injection well cable-free injection allocation system
CN206000511U (en) * 2016-08-21 2017-03-08 中国石油化工股份有限公司 A kind of downhole intelligent balanced production control valve

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100139909A1 (en) * 2008-12-04 2010-06-10 Tirado Ricardo A Intelligent Well Control System for Three or More Zones
CN102011577A (en) * 2010-12-14 2011-04-13 北京金科龙石油技术开发有限公司 Intelligent testing and regulating controller
CN102536152A (en) * 2012-01-13 2012-07-04 天津哈德韦尔自控技术有限公司 Underground digital intelligent water shutoff system of water injection well
CN202954797U (en) * 2012-07-31 2013-05-29 中国石油天然气股份有限公司 Electromechanical concentric separate injection testing and adjusting control system
CN104453809A (en) * 2014-12-05 2015-03-25 中国石油天然气股份有限公司 Digital intelligent water distributor
CN204283379U (en) * 2014-12-08 2015-04-22 众通(北京)能源技术有限公司 Screen casing completes oil well intelligent water control pipe post
CN105201469A (en) * 2015-09-21 2015-12-30 哈尔滨博华科技有限公司 Wireless communication type water injection well layered injection allocation device and water injection well cable-free injection allocation system
CN206000511U (en) * 2016-08-21 2017-03-08 中国石油化工股份有限公司 A kind of downhole intelligent balanced production control valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703763A (en) * 2017-01-04 2017-05-24 中国海洋石油总公司 Intelligent layered mining system applicable to offshore oilfield sand control well completion
CN107294221A (en) * 2017-08-17 2017-10-24 中国石油大学(华东) Down-hole switch control system and method
US11725485B2 (en) 2020-04-07 2023-08-15 Halliburton Energy Services, Inc. Concentric tubing strings and/or stacked control valves for multilateral well system control

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