CN109267979A - A kind of fluid pressure type intelligent completion system - Google Patents
A kind of fluid pressure type intelligent completion system Download PDFInfo
- Publication number
- CN109267979A CN109267979A CN201811187678.XA CN201811187678A CN109267979A CN 109267979 A CN109267979 A CN 109267979A CN 201811187678 A CN201811187678 A CN 201811187678A CN 109267979 A CN109267979 A CN 109267979A
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- interval
- cable
- seal assembly
- type intelligent
- fluid pressure
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- 239000012530 fluid Substances 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- IGTHEWGRXUAFKF-NVJADKKVSA-N 1-cyclopropyl-8-(difluoromethoxy)-7-[(1r)-1-methyl-2,3-dihydro-1h-isoindol-5-yl]-4-oxoquinoline-3-carboxylic acid;methanesulfonic acid;hydrate Chemical compound O.CS(O)(=O)=O.N([C@@H](C1=CC=2)C)CC1=CC=2C(C=1OC(F)F)=CC=C(C(C(C(O)=O)=C2)=O)C=1N2C1CC1 IGTHEWGRXUAFKF-NVJADKKVSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method 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
- 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
-
- 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
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
It include downhole tool, pipeline cable, ground control system in system the invention discloses a kind of fluid pressure type intelligent completion system;The lower part of downhole tool is multilayer segment structure, and each interval includes Multi-stage flow control valve, decoder, detector, isolating seal assembly composition;Pipeline cable includes liquid controling pipe line and armored data cable;Pressure sensor, temperature sensor and flow sensor are equipped in detector;The packer and sealing drum of isolating seal assembly and location sealing assembly and each interval are fitted close, and are insulated between realization interval;Pipeline cable passes through location sealing assembly and isolating seal assembly, connect with downhole tool.The present invention solves the problems, such as that the low efficiency of current conventional batch water injection technology survey tune, accuracy is not high, later period operating cost is high, the reliability and service life for solving the problems, such as the intelligent well completion for having cable to control at present, solve the interval quantity restricted problem of usual hydraulically-controlled type intelligent well completion.
Description
Technical field
The present invention relates to completion system, specifically a kind of fluid pressure type intelligent completion system.
Background technique
Seperated layer water injection is the tripping in interval packer in water injection well, separates each layer, according to each water injection rate of interval demand, respectively
The controlling of injecting quantity is carried out, certain layers of water is avoided the occurrence of and advances by leaps and bounds phenomenon, realize and uniformly promote, improve the exploitation effect of water controlled field
Fruit.
At present, there is also extensive styles to manage for water injection technology, is mainly shown as water injection rate control in layer and surveys tune side
Face.Normal practice is layer-by-layer pulling repeatedly, stores recovering and analysis test data, and by taking 4 intervals as an example, single surveys about 3-4 between timing
It, after determining mouth diameter with this, then successively difference tripping in can only achieve limited several gears, precision since water nozzle aperture is fixed
It is low, and need the multiple pulling of single layer, larger workload.
The intelligent well completion technique that 2O rises the nineties in century, is applicable to complex geological condition, complex structural well such as branch
Well, the exploitation of multilayer system, offshore oil and gas field etc..Reservoir behavior real-time monitoring is combined together by the technology with real-time control, not
Down-hole pressure, temperature and the long-range control to flow are acquired in real time in the case where playing flowline, it is raising Reservior Management pipe
Reason level provides a brand-new approach, has a extensive future.
Intelligent well completion technique is applied in conventional batch water injection well, the water of current water injection well management can be obviously improved
It is flat.The survey tune mode of intelligent well completion are as follows: by intelligent control the adjustment water nozzle size such as machinery, realize that the side of layered waterflooding quantity is surveyed
Side tune, average improve survey 3-4 times of efficiency of tune or more.
External smart well system relative maturity, and be still with liquid drive to the control mode of well flow rate controller
It is main.
Bake Hughes and Schlumberger joint research and development intelligent completion system inCharge, are fully rely on electric power drive for the first time
Dynamic and transmission all electronic intelligence system.Stepless flow controller is by adjusting each layer of flow step-less adjustment valve with cable
Door, at most 12 layers of control.The Bake Hughes stand-alone development inForce intelligent completion system of hydraulic-driven again later, can control 1
The ON/OFF of~3 layers of flow valve, each flow valve need 2 hydraulic control line drivings.
The SmartWell intelligent completion system of Halliburton's research and development includes ground system, fluid pressure type interval control valve, threading
Packer, permanent type downhole sensor etc. in formula pipe, with hydraulic control downhole interval control valve.
It is domestic mainly to have some underground monitoring technologies.For the development of downhole flow control, it is also classified into cable (underground
Motor) control and hydraulic control, be mainly used on separate water injection well.But due to the limitation of use environment and technical level, there is cable control
The reliability and downhole life of system are all also unstable, and problem to be solved is also very much.
In summary, the intelligent well completion of the downhole flow device of hydraulic control is the effective hand for solving the problems, such as separate water injection well at present
Section.
Summary of the invention
The present invention is exactly to solve the above-mentioned problems, to provide a kind of fluid pressure type intelligent completion system.
The present invention is implemented according to following technical scheme.
A kind of fluid pressure type intelligent completion system, in the system, well head is equipped with and passes through sealer;It include well in the system
Lower tool, pipeline cable, ground control system;The top of the downhole tool is equipped with storm valve and circulation slide sleeve;Underground
The lower part of tool is multilayer segment structure, and each interval includes that Multi-stage flow control valve, decoder, detector, isolating seal are total
In groups at being equipped with packer at the top and bottom of each interval;The pipeline cable includes liquid controling pipe line and armored data line
Cable;The Multi-stage flow control valve is the sliding sleeve system of a metal sealing controlled by two liquid controling pipe lines, multistage flow
Each gear of control valve corresponds to a hydrophthalmia;Decoder is mechanical hydraulic control converting system, is connected with two liquid controling pipe lines
It connects, decoder forms the injection control unit of the interval with the connection of the Multi-stage flow control valve of corresponding interval;The shell of detector
For an eccentric seating nipple, cylinder is interior to be equipped with pressure sensor, temperature sensor and flow sensor;Isolating seal assembly and fixed
The packer and sealing drum of position seal assembly and each interval are fitted close, and are insulated between realization interval;It is close that pipeline cable passes through positioning
Assembly and isolating seal assembly are sealed, is connect with downhole tool;Liquid controling pipe line and armored data cable are drawn by passing through sealer,
It is connected respectively with ground control system.
Further, the series of the Multi-stage flow control valve 14 is 2 ~ 11 grades.
Further, the identifying to pressure sequence by pipeline of the decoder in different intervals.
Further, the detector connects ground control system by armored data cable.
Further, the ground control system connects Ground Data Processing System by communication network.
The present invention achieves following beneficial effect.
This system does not change the current underground completion mode of water injection well, passes through seal assembly system and original using this technique
Zone isolation is realized in the sealing drum cooperation of wellbore packer;By the decoding apparatus of down-hole mechanical formula, reaches and minimize hydraulic control pipe
The use of line and the control of maximized interval;By up to 11 grades of Multi-stage flow control valve, the final fining for realizing water filling
Management.The present invention solves current conventional batch water injection technology and surveys that the low efficiency adjusted, accuracy is not high, later period operating cost is high asks
Topic solves the problems, such as the reliability and service life of the intelligent well completion for having cable to control at present, solves usual hydraulically-controlled type intelligent well completion
Interval quantity restricted problem.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Wherein, 1. storm valve;2. circulation slide sleeve;3. top packer;4. isolation packer;5. bottom packer;
6. Ground Data Processing System;7. ground control system;8. passing through sealer;9. liquid controling pipe line;10. armored data cable;11.
Location sealing assembly;12. detector;13. decoder;14. Multi-stage flow control valve;15. isolating seal assembly.
Specific embodiment
Referring to the drawings and embodiment carries out further technology explanation to the present invention.
As shown in Figure 1, a kind of fluid pressure type intelligent completion system, in the system, well head is equipped with and passes through sealer;The system
It include downhole tool, pipeline cable, ground control system 7 in system;The top of the downhole tool is equipped with storm valve 1 and follows
Ring sliding sleeve 2;The lower part of downhole tool is multilayer segment structure, and each interval includes Multi-stage flow control valve 14, decoder 13, inspection
Device 12, the composition of isolating seal assembly 15 are surveyed, is equipped with packer at the top and bottom of each interval;The pipeline cable includes liquid
Keyholed back plate line 9 and armored data cable 10;The Multi-stage flow control valve 14 is the metal controlled by two liquid controling pipe lines 9
The sliding sleeve system of sealing, each gear of Multi-stage flow control valve 14 correspond to a hydrophthalmia;Decoder 13 is mechanical liquid
Converting system is controlled, is connect with two liquid controling pipe lines 9, decoder 13 should with the Multi-stage flow control valve 14 of corresponding interval connection composition
The injection control unit of interval;The shell of detector 12 is an eccentric seating nipple, pressure sensor is equipped in cylinder, temperature passes
Sensor and flow sensor;Isolating seal assembly 15 and location sealing assembly 11 and the packer and sealing drum of each interval are closely matched
It closes, is insulated between realization interval;Pipeline cable passes through location sealing assembly 11 and isolating seal assembly 15, connect with downhole tool;
Liquid controling pipe line 9 and armored data cable 10 are drawn by passing through sealer 8, are connected respectively with ground control system 7.
The series of the Multi-stage flow control valve 14 is 2 ~ 11 grades.
The identifying to pressure sequence by pipeline of decoder 13 in different intervals.
The detector connects ground control system 7 by armored data cable 10.
The ground control system 7 connects Ground Data Processing System 6 by communication network.
(main tool has top packer 3, isolation packer 4 in former pit shaft by taking a kind of conventional separate water injection well as an example
With bottom packer 5), do not change current hole condition, tripping in is by Multi-stage flow control valve 14, decoder 13, reservoir monitoring and stream
Meter system 12 can pass through isolating seal assembly 15, can pass through location sealing assembly 11, liquid controling pipe line 9, armored data cable 10
The center tubing string and original packer sealing cylinder of equal compositions cooperate, and are sealed by wellhead traversing and realize liquid controling pipe line 9 and armouring number
It after passing through tubing hanger according to cable 10, is connect respectively with ground control system 7 and Ground Data Processing System 6 on ground, realizes one
A complete real-time monitoring, the system remotely controlled.
Compared with existing conventional batch water injection technology, the present invention has apparent advantage.
The hole deviation for being applicable in well is not required, avoid common process hole deviation be more than to a certain degree after can not apply ask
Topic;Timeliness and accuracy greatly improve.Complete technique includes real-time monitoring and long-range control, do not need steel wire/
The operations such as coiled tubing can be realized survey and adjust integration, and being measured and tuned into originally can ignore.
Relative to the complete well of survey tune for having cable to control, the reliability and service life of this technique have apparent advantage.Relative to
External similar technique, the tool overwhelming majority that this technique uses realize domestic (in addition to the module section of monitoring instrument)
Change, cost substantially reduces, and makes it possible being widely used of intelligent well completion technique.
Claims (5)
1. a kind of fluid pressure type intelligent completion system, in the system, well head is equipped with and passes through sealer;It is characterized in that, the system
It include downhole tool, pipeline cable, ground control system (7) in system;The top of the downhole tool is equipped with storm valve (1)
With circulation slide sleeve (2);The lower part of downhole tool is multilayer segment structure, and each interval includes Multi-stage flow control valve (14), solution
Code device (13), detector (12), isolating seal assembly (15) form, and are equipped with packer at the top and bottom of each interval;Institute
Stating pipeline cable includes liquid controling pipe line (9) and armored data cable (10);The Multi-stage flow control valve (14) is one and passes through
The sliding sleeve system of the metal sealing of two liquid controling pipe lines (9) control, each gear of Multi-stage flow control valve (14) corresponding one
A hydrophthalmia;Decoder (13) be mechanical hydraulic control converting system, connect with two liquid controling pipe lines (9), decoder (13) with it is right
The Multi-stage flow control valve (14) of interval is answered to connect the injection control unit for forming the interval;The shell of detector (12) is one
Eccentric seating nipple, cylinder is interior to be equipped with pressure sensor, temperature sensor and flow sensor;Isolating seal assembly (15) and positioning
The packer and sealing drum of seal assembly (11) and each interval are fitted close, and are insulated between realization interval;Pipeline cable passes through positioning
Seal assembly (11) and isolating seal assembly (15), connect with downhole tool;Liquid controling pipe line (9) and armored data cable (10) are logical
It crosses and passes through sealer (8) extraction, be connected respectively with ground control system (7).
2. a kind of fluid pressure type intelligent completion system as described in claim 1, which is characterized in that the Multi-stage flow control valve
14 series is 2 ~ 11 grades.
3. a kind of fluid pressure type intelligent completion system as described in claim 1, which is characterized in that the decoder in different intervals
(13) identifying to pressure sequence by pipeline.
4. a kind of fluid pressure type intelligent completion system as described in claim 1, which is characterized in that the detector passes through armouring number
Ground control system (7) are connected according to cable (10).
5. a kind of fluid pressure type intelligent completion system as described in claim 1, which is characterized in that the ground control system (7)
Ground Data Processing System (6) are connected by communication network.
Priority Applications (1)
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CN201811187678.XA CN109267979A (en) | 2018-10-12 | 2018-10-12 | A kind of fluid pressure type intelligent completion system |
Applications Claiming Priority (1)
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CN201811187678.XA CN109267979A (en) | 2018-10-12 | 2018-10-12 | A kind of fluid pressure type intelligent completion system |
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Publication Number | Publication Date |
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CN109267979A true CN109267979A (en) | 2019-01-25 |
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CN201811187678.XA Pending CN109267979A (en) | 2018-10-12 | 2018-10-12 | A kind of fluid pressure type intelligent completion system |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
RU2731304C1 (en) * | 2019-11-21 | 2020-09-01 | Общество с ограниченной ответственностью Научно-производственная фирма "Пакер" | Method for simultaneous separate injection of working fluid and installation for implementation thereof |
CN111663920A (en) * | 2020-04-23 | 2020-09-15 | 中国海洋石油集团有限公司 | Control method for controlling six-layer sliding sleeve by three pipelines |
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 |
CN113669036A (en) * | 2020-05-13 | 2021-11-19 | 中国海洋石油集团有限公司 | Hydraulic control layered oil production system |
CN115992695A (en) * | 2021-10-18 | 2023-04-21 | 中国石油化工股份有限公司 | Novel underground intelligent measurement and control device, system and method |
-
2018
- 2018-10-12 CN CN201811187678.XA patent/CN109267979A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2731304C1 (en) * | 2019-11-21 | 2020-09-01 | Общество с ограниченной ответственностью Научно-производственная фирма "Пакер" | Method for simultaneous separate injection of working fluid and installation for implementation thereof |
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 |
CN111663920A (en) * | 2020-04-23 | 2020-09-15 | 中国海洋石油集团有限公司 | Control method for controlling six-layer sliding sleeve by three pipelines |
CN111663920B (en) * | 2020-04-23 | 2022-09-09 | 中国海洋石油集团有限公司 | Control method for controlling six-layer sliding sleeve by three pipelines |
CN113669036A (en) * | 2020-05-13 | 2021-11-19 | 中国海洋石油集团有限公司 | Hydraulic control layered oil production system |
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 |
CN113236199B (en) * | 2020-11-09 | 2023-06-02 | 中国海洋石油集团有限公司 | Oil well cable control layering monitoring and intelligent production allocation system and application method thereof |
CN115992695A (en) * | 2021-10-18 | 2023-04-21 | 中国石油化工股份有限公司 | Novel underground intelligent measurement and control device, system and method |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190125 |
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