CN109083623A - Intelligent underground layered water injection flow adjusting system - Google Patents
Intelligent underground layered water injection flow adjusting system Download PDFInfo
- Publication number
- CN109083623A CN109083623A CN201810966908.6A CN201810966908A CN109083623A CN 109083623 A CN109083623 A CN 109083623A CN 201810966908 A CN201810966908 A CN 201810966908A CN 109083623 A CN109083623 A CN 109083623A
- Authority
- CN
- China
- Prior art keywords
- water
- power generation
- taper hole
- intelligent
- injection flow
- 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.)
- Granted
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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
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0085—Adaptations of electric power generating means for use in boreholes
Abstract
the invention relates to an underground layered water injection flow intelligent regulating system which comprises a P-L-C control unit, an upper joint, a taper hole flow passage conversion pipe, a power generation unit, an intelligent water distributor and a lower joint, wherein the upper joint, the taper hole flow passage conversion pipe, the power generation unit, the intelligent water distributor and the lower joint are sequentially connected from top to bottom, two offset holes are arranged on two sides of the taper hole flow passage conversion pipe, an upper circular taper hole is positioned between the two offset holes, the tail end of the upper circular taper hole is communicated with a power generation branch and a water injection branch, an electromagnetic valve is arranged on the taper hole flow passage conversion pipe, the tail end of the power generation branch is connected with a lower circular taper hole, the lower circular taper hole is communicated with the power generation unit, an underground impeller generator is arranged in the power generation unit, the lower end of the power generation unit and the water injection branch are communicated with the intelligent water distributor, a water distribution cavity of the intelligent water distributor is communicated with a water outlet cavity through an adjustable water nozzle, a platinum thermal resistance thermometer, a lever flowmeter.
Description
Technical field
The present invention relates to a kind of seperated layer water injection systems, and in particular to laminated distributor under well injection flow intelligent regulating system.
Background technique
Seperated layer water injection is to realize the important technical of oil field development long-term high yeild stable yields, and " bridge-type eccentric+steel pipe type cable is straight
Reading survey tune " separate zone waterflooding technology has been successfully applied to the survey reconciliation injection allocation of oil field at home separate water injection well, but this method is using
From there are the following problems:
(1) determine that interlayer water injection rate needs successively to launch measurement and adjustment instrument device, it includes cable reel, the closed blowout prevention of well head that this process, which uses,
The equipment such as device and well head pulley blocks need a large amount of manpower and material resources and expend the time；
(2) it if interlayer water injection rate changes, needs to adjust water nozzle size, currently used layered water injection method can only all pass through throwing
It fishes out operation and replaces water nozzle, heavy workload and can not accomplish to adjust interlayer water injection rate in real time.
Summary of the invention
The object of the present invention is to provide laminated distributor under well injection flow intelligent regulating system, this laminated distributor under well injection flow intelligence
Be adjustable system for solve existing seperated layer water injection need frequent progress bailing and seperated layer water injection survey adjust heavy workload,
The problem of water injection rate cannot be adjusted in real time.
The technical solution adopted by the present invention to solve the technical problems is: this laminated distributor under well injection flow intelligently adjusts system
System include PLC control unit, and sequentially connected top connection from top to bottom, taper hole runner crossover connection, generator unit, intelligence match
Hydrophone, lower contact, there are two inclined hole, upper circular cone holes to be located between two inclined holes for the setting of taper hole runner crossover connection two sides, upper circle
Shape taper hole is wide at the top and narrow at the bottom, and upper circular cone hole end is communicated with power generation branch and water filling branch, installation in the middle part of taper hole runner crossover connection
There is solenoid valve, the closing and opening of solenoid valve control power generation branch, power generation branch end connects lower circular cone hole, lower circular cone hole
Up-narrow and down-wide, lower circular cone hole is communicated with generator unit, and underground turbo dynamo is provided in generator unit, works as solenoid valve control
When water flow passes through underground turbo dynamo, generator unit is system battery charging；Generator unit lower end is communicated with intelligent watering device,
Water filling branch is also communicated with intelligent watering device, and intelligent watering device is provided with paring chamber, water chamber, and water hole is arranged at paring chamber top,
Paring chamber is communicated with water chamber by adjustable control water nozzle, and platinum thermal resistance thermometer, lever flowmeter, silicon pressure are equipped in water chamber
Resistance pressure meter, adjustable control water nozzle connect decelerating motor, and water chamber has apopore；Platinum thermal resistance thermometer, lever flowmeter, silicon
Piezoresistive pressure gage, decelerating motor are connect with PLC control unit.
Taper hole runner crossover connection includes two parts tube body in above scheme, and two parts tube body is connected and is connected by being shorted,
Taper hole runner crossover connection, generator unit, intelligent watering device also pass sequentially through short circuit and connect and be connected, to realize pair of each runner
It connects.
Solenoid valve uses normally closed type, inlet opening Chang Guan in above scheme.
Paring chamber is located at intelligent watering device center in above scheme, and water chamber is located at paring chamber side, adjustable control water nozzle peace
Mounted in intelligent watering device lower part, water nozzle aperture is controlled by piston moving up and down, piston lower portion is provided with limbers, guarantees
Piston both ends hydraulic pressure is consistent, and piston connects decelerating motor.
Underground turbo dynamo is in lower circular cone hole, generator unit inner cavity, intelligent watering device paring chamber in above scheme
Electric power in the runner of composition, by waterpower impeller rotary electrification, for decelerating motor regulation water nozzle in intelligent watering device
Supply.
Underground turbo dynamo is connect with bottom with the support base of through-hole by bolt in above scheme, platinum resistance thermometer sensor, temperature
Degree meter, lever flowmeter and silicon piezoresistance type pressure gauge are fixed by mesh seat.
PLC control unit passes through system battery electricity control module, the residue of real-time monitoring system battery in above scheme
Electricity, when the remaining capacity of system battery is less than the 20% of total electricity, PLC control unit makes solenoid valves, and control valve is beaten
It opens, water is made to generate electricity by underground turbo dynamo；When system battery it is at full charge when, PLC control unit powers off solenoid valve,
Control valve is closed, and underground turbo dynamo stops power generation.
The invention has the following advantages:
(1) this laminated distributor under well of the invention water filling intelligent regulating system is disposably placed as a whole, can be infused according to underground
Water needs, and multiple levels is arranged, in each hierarchical arrangement flow quantity intelligent adjusting system.Either measure inter-layer data or adjustment layer
Between water injection rate all no longer need to carry out time-consuming and laborious pulling operation, alleviate personnel labor intensity, save cost, reduce
Underground work is hampered card risk.
(2) this laminated distributor under well of the invention water filling intelligent regulating system outer dimension is infused with the laminated distributor under well generally used
Hydrophone is identical, and all no replacement is required for the corollary equipments such as installation and well head size when operation, reduces the workload of more new equipment.
(3) this laminated distributor under well water filling intelligent regulating system of the invention can to respectively layer by layer between water injection rate carry out real-time intelligence
It is adjustable, and does not influence the water injection rate of other levels.According to the platinum thermal resistance thermometer of setting, lever flowmeter and silicon piezoresistance type
Pressure gauge feedback information, by PLC control decelerating motor adjust water nozzle aperture, and then regulate and control interlayer water injection rate, overcome by
The problem of adjusting bring not change water injection rate in time is surveyed in regular.
(4) this laminated distributor under well of the invention water filling intelligent regulating system is moved towards by solenoid valve control water flow, is only existed
Water flow just passes through turbo dynamo and generates electricity when battery capacity deficiency, considerably increases the service life of turbo dynamo and battery,
Package unit is set to work long hours.
(5) present invention is not necessarily to pulling operation repeatedly, and multiple layers can be arranged according to underground water-injection needs in a underground work
Grade, in each hierarchical arrangement flow quantity intelligent regulating system, single unit system can be used for a long time and can be according to each layer inter-layer data
Intelligence adjusts injection flow, significantly reduces cost.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention；
Fig. 2 is the cross-sectional view of taper hole runner crossover connection (A-A) in the present invention；
Fig. 3 is the cross-sectional view of solenoid valve (B-B) in the present invention；
Fig. 4 is the cross-sectional view that (C-C) is shorted in the present invention；
Fig. 5 is the cross-sectional view of intelligent watering device (D-D) in the present invention.
In figure: 1, top connection；2, taper hole runner crossover connection；3, solenoid valve；4, it is shorted；5, butt tube；6, generate electricity branch；7,
Generator unit；8, underground turbo dynamo；9, intelligent watering device；10, lower contact；11, decelerating motor；12, adjustable control water nozzle；
13, platinum thermal resistance thermometer；14, lever flowmeter；15, silicon piezoresistance type pressure gauge；16, apopore；17, water hole；18, it fills the water
Branch；19, inclined hole.
Specific embodiment
The present invention will be further described below with reference to the drawings:
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, this laminated distributor under well injection flow intelligent regulating system includes from top to bottom
Sequentially connected top connection 1, taper hole runner crossover connection 2, generator unit 7, intelligent watering device 9 and lower contact 10 and PCL control
Unit.There are two inclined hole 19, upper circular cone holes to be located between two inclined holes 19 for the setting of 2 two sides of taper hole runner crossover connection, upper circle
Taper hole is wide at the top and narrow at the bottom, and upper circular cone hole end is communicated with power generation branch 6 and water filling branch 18, pacifies in the middle part of taper hole runner crossover connection 2
Equipped with solenoid valve 3, the closing and opening of the control power generation branch 6 of solenoid valve 3, the i.e. installation of solenoid valve 3 control water flow trend, power generation branch
6 end of road connects lower circular cone hole, and lower circular cone hole is up-narrow and down-wide, and lower circular cone hole is communicated with generator unit 7, generator unit 7
It is inside provided with underground turbo dynamo 8, when solenoid valve 3, which controls water flow, passes through underground turbo dynamo 8, generator unit 7 is to be
Battery of uniting charges；7 lower end of generator unit is communicated with intelligent watering device 9, and water filling branch 18 is also communicated with intelligent watering device 9, intelligence
Injection well downhole flow regulator 9 is provided with paring chamber, water chamber, and water hole 17 is arranged at paring chamber top, and paring chamber and water chamber pass through adjustable control water nozzle
12 communicate, and platinum thermal resistance thermometer 13, lever flowmeter 14, silicon piezoresistance type pressure gauge 15, controllable water are equipped in water chamber
Mouth 12 connects decelerating motor 11, and water chamber has apopore 16；Platinum thermal resistance thermometer 13, lever flowmeter 14, silicon piezoresistance type pressure
Power meter 15, decelerating motor 11 are connect with PLC control unit.PLC control unit passes through platinum thermal resistance thermometer 13, lever flow
Water nozzle aperture is adjusted in the inter-layer data that meter 14 and silicon piezoresistance type pressure gauge 15 measure, and then carries out intelligence to injection flow
Regulation.
Taper hole runner crossover connection 2 includes two parts tube body, and two parts tube body is by being shorted 4 connections, setting docking in short circuit
Pipe 5 will fill the water branch 18, power generation branch 6, the connection of inclined hole 19 and be connected.
In the present invention taper hole runner crossover connection runner solenoid valve 3 punishment be two branches, a branch by it is upper it is narrow under
Wide circular cone hole leads to underground turbo dynamo 8, and another branch is directly communicated to intelligent watering device 9, and two branches are in intelligence
Converge 9 upper end of injection well downhole flow regulator.
Working principle of the invention is as follows:
Water flow enters tube body, two circulations downwards of lateral deviation hole 19 of a part as shown in Figure 2, for layer where system by top connection 1
The water filling of other levels below grade and system；Another part enters 2 body of taper hole runner crossover connection by taper hole wide at the top and narrow at the bottom, in electricity
The punishment of magnet valve 3 is power generation branch 6 and water filling branch 18.In battery capacity deficiency, solenoid valve 3 is opened, water flow passes through power generation branch
Road 6 and up-narrow and down-wide circular cone hole lead to underground turbo dynamo 8, flow through underground turbo dynamo 8 and carry out hydroelectric generation, are
Battery power supply fills the water the water flow in branch 18 for guaranteeing that turbo dynamo about 8 hydraulic pressure in underground is consistent at this time；Battery capacity fills
When sufficient, solenoid valve 3 is in close state, and water flow is directly communicated to intelligent watering device 9 by filling the water branch 18, and two branches are in intelligence
Converge 9 upper end of injection well downhole flow regulator.The part water in two lateral deviation holes 19 flows through the water hole 17 on 9 top of intelligent watering device and passes through taper hole runner
The water flow of crossover connection 2 converges the water filling for this layer.The platinum resistance thermometer sensor, temperature that decelerating motor 11 in intelligent watering device 9 passes through setting
Piston position is adjusted in the inter-layer information that degree meter 13, lever flowmeter 14 and silicon piezoresistance type pressure gauge 15 are fed back, and then adjusts
Adjustable 12 aperture of control water nozzle is saved, achievees the purpose that control interlayer water injection rate.Last water flow injects stratum by apopore 16.
4 docking for guaranteeing runner are shorted by setting between each tube body.It is shorted between 4 and tube body and is connected through a screw thread, make
It is fixed with screw thread glue, guarantees to dock between runner, that is, realize that water filling branch 18, power generation branch 6, inclined hole 19 are each from top to bottom
From conducting.Underground turbo dynamo 8 is connect with bottom with the support base of through-hole by bolt.Platinum thermal resistance thermometer 13,
Lever flowmeter 14 and silicon piezoresistance type pressure gauge 15 are fixed by mesh seat.
Exemplified as above is only of the invention for example, not constituting the limitation to protection scope of the present invention, all
With the present invention it is the same or similar design all belong to the scope of protection of the present invention within.
Claims (7)
1. a kind of laminated distributor under well injection flow intelligent regulating system, it is characterised in that: this laminated distributor under well injection flow is intelligently adjusted
Section system includes PLC control unit, and sequentially connected top connection (1), taper hole runner crossover connection (2), power generation from top to bottom
Unit (7), intelligent watering device (9), lower contact (10), there are two inclined hole (19), upper circles for the setting of taper hole runner crossover connection (2) two sides
Shape taper hole is located between two inclined holes (19), and upper circular cone hole is wide at the top and narrow at the bottom, upper circular cone hole end and power generation branch (6) and note
Water branch (18) communicates, and is equipped with solenoid valve (3) in the middle part of taper hole runner crossover connection (2), solenoid valve (3) control power generation branch (6)
Closing and opening, power generation branch (6) end connects lower circular cone hole, and lower circular cone hole is up-narrow and down-wide, lower circular cone hole and hair
Electric unit (7) communicates, and is provided with underground turbo dynamo (8) in generator unit (7), when solenoid valve (3) control water flow passes through well
When lower turbo dynamo (8), generator unit (7) is system battery charging；Generator unit (7) lower end and intelligent watering device (9) phase
Logical, water filling branch (18) is also communicated with intelligent watering device (9), and intelligent watering (9) device is provided with paring chamber, water chamber, paring chamber
Top has water hole (17), and paring chamber is communicated with water chamber by adjustable control water nozzle (12), and platinum resistance thermometer sensor, is equipped in water chamber
Thermometer (13), lever flowmeter (14), silicon piezoresistance type pressure gauge (15), adjustable control water nozzle (12) connect decelerating motor (11),
Water chamber has apopore (16)；Platinum thermal resistance thermometer (13), silicon piezoresistance type pressure gauge (15), slows down at lever flowmeter (14)
Motor (11) is connect with PLC control unit.
2. laminated distributor under well injection flow intelligent regulating system according to claim 1, it is characterised in that: the taper hole stream
Road crossover connection (2) includes two parts tube body, and two parts tube body is connected and is connected by short circuit (4), taper hole runner crossover connection (2),
Generator unit (7), intelligent watering device (9) also pass sequentially through short circuit (4) and connect and be connected.
3. laminated distributor under well injection flow intelligent regulating system according to claim 2, it is characterised in that: the solenoid valve
(3) normally closed type, inlet opening Chang Guan are used.
4. laminated distributor under well injection flow intelligent regulating system according to claim 3, it is characterised in that: the paring chamber
Positioned at intelligent watering device (9) center, water chamber is located at paring chamber side, and adjustable control water nozzle (12) is mounted on intelligent watering device (9)
Lower part controls water nozzle aperture by piston moving up and down, and piston lower portion is provided with limbers, and piston connects decelerating motor
(11).
5. laminated distributor under well injection flow intelligent regulating system according to claim 4, it is characterised in that: the underground leaf
Turbine generator (8) is in the runner of lower circular cone hole, generator unit (7) inner cavity, intelligent watering device (9) paring chamber composition, is led to
Waterpower impeller rotary electrification is crossed, the power supply for decelerating motor (11) regulation water nozzle in intelligent watering device (9).
6. laminated distributor under well injection flow intelligent regulating system according to claim 5, it is characterised in that: the underground leaf
Turbine generator (8) is connect with bottom with the support base of through-hole by bolt, platinum thermal resistance thermometer (13), lever flowmeter
(14) it is fixed by mesh seat with silicon piezoresistance type pressure gauge (15).
7. laminated distributor under well injection flow intelligent regulating system according to claim 6, it is characterised in that: the PLC control
Unit processed passes through system battery electricity control module, the remaining capacity of real-time monitoring system battery, when the residue electricity of system battery
When amount is less than the 20% of total electricity, PLC control unit makes solenoid valve (3) to be powered, and control valve is opened, and sends out water by underground impeller
Motor (8) power generation；When system battery it is at full charge when, PLC control unit make solenoid valve (3) power off, control valve close, underground
Turbo dynamo (8) stops power generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966908.6A CN109083623B (en) | 2018-08-23 | 2018-08-23 | Intelligent underground layered water injection flow adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966908.6A CN109083623B (en) | 2018-08-23 | 2018-08-23 | Intelligent underground layered water injection flow adjusting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109083623A true CN109083623A (en) | 2018-12-25 |
| CN109083623B CN109083623B (en) | 2021-01-05 |
Family
ID=64794345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810966908.6A Active CN109083623B (en) | 2018-08-23 | 2018-08-23 | Intelligent underground layered water injection flow adjusting system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763799A (en) * | 2019-03-18 | 2019-05-17 | 中国石油化工股份有限公司 | A method of it is filled the water using flow waves control hierarchy |
| CN110067543A (en) * | 2019-05-30 | 2019-07-30 | 大庆华油石油科技开发有限公司 | A kind of injection well downhole flow regulator for realizing switch by electromagnetic drive |
| CN110284877A (en) * | 2019-05-25 | 2019-09-27 | 中国海洋石油集团有限公司 | A kind of underground permanent setting type dynamic monitoring device and monitoring method |
| CN110984927A (en) * | 2019-12-11 | 2020-04-10 | 东北石油大学 | From wireless water injection mandrel of electricity generation formula intelligence |
| CN111005834A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Downhole turbine piezoelectric hybrid power generation device |
| CN111425184A (en) * | 2020-03-31 | 2020-07-17 | 凯跃(天津)测控技术有限公司 | Well completion permanent-placed type layered automatic measuring and regulating water injection oil extraction autonomous measuring system |
| CN111425172A (en) * | 2020-03-25 | 2020-07-17 | 中国石油天然气股份有限公司 | Chemical flooding constant-current dispenser |
| CN112907925A (en) * | 2019-12-03 | 2021-06-04 | 中国石油化工股份有限公司 | Downhole data monitoring system and method |
| CN114499040A (en) * | 2020-11-11 | 2022-05-13 | 中国石油天然气股份有限公司 | Underground power generation and flow measurement integrated device for wireless layered water injection |
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| CN206617148U (en) * | 2017-03-03 | 2017-11-07 | 中国石油天然气股份有限公司 | A kind of eccentric throttling concentric injector of bridge-type |
| CN108166958A (en) * | 2017-12-26 | 2018-06-15 | 四川省科学城久利电子有限责任公司 | A kind of shunting intelligent watering device for oil field big flow water filling |
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| US20080047753A1 (en) * | 2004-11-05 | 2008-02-28 | Hall David R | Downhole Electric Power Generator |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763799A (en) * | 2019-03-18 | 2019-05-17 | 中国石油化工股份有限公司 | A method of it is filled the water using flow waves control hierarchy |
| CN110284877A (en) * | 2019-05-25 | 2019-09-27 | 中国海洋石油集团有限公司 | A kind of underground permanent setting type dynamic monitoring device and monitoring method |
| CN110067543A (en) * | 2019-05-30 | 2019-07-30 | 大庆华油石油科技开发有限公司 | A kind of injection well downhole flow regulator for realizing switch by electromagnetic drive |
| CN112907925A (en) * | 2019-12-03 | 2021-06-04 | 中国石油化工股份有限公司 | Downhole data monitoring system and method |
| CN110984927A (en) * | 2019-12-11 | 2020-04-10 | 东北石油大学 | From wireless water injection mandrel of electricity generation formula intelligence |
| CN111005834A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Downhole turbine piezoelectric hybrid power generation device |
| CN110984927B (en) * | 2019-12-11 | 2020-07-28 | 东北石油大学 | From wireless water injection mandrel of electricity generation formula intelligence |
| CN111005834B (en) * | 2019-12-11 | 2020-08-21 | 东北石油大学 | Downhole turbine piezoelectric hybrid power generation device |
| CN111425172A (en) * | 2020-03-25 | 2020-07-17 | 中国石油天然气股份有限公司 | Chemical flooding constant-current dispenser |
| CN111425172B (en) * | 2020-03-25 | 2022-03-01 | 中国石油天然气股份有限公司 | Chemical flooding constant-current dispenser |
| CN111425184A (en) * | 2020-03-31 | 2020-07-17 | 凯跃(天津)测控技术有限公司 | Well completion permanent-placed type layered automatic measuring and regulating water injection oil extraction autonomous measuring system |
| CN114499040A (en) * | 2020-11-11 | 2022-05-13 | 中国石油天然气股份有限公司 | Underground power generation and flow measurement integrated device for wireless layered water injection |
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| Publication number | Publication date |
|---|---|
| CN109083623B (en) | 2021-01-05 |
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