CN108979614A - Ground oil-water separation injection-production system in same well - Google Patents
Ground oil-water separation injection-production system in same well Download PDFInfo
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- CN108979614A CN108979614A CN201710413693.0A CN201710413693A CN108979614A CN 108979614 A CN108979614 A CN 108979614A CN 201710413693 A CN201710413693 A CN 201710413693A CN 108979614 A CN108979614 A CN 108979614A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 238000000926 separation method Methods 0.000 title abstract description 10
- 238000007789 sealing Methods 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 11
- 239000003921 oil Substances 0.000 abstract description 74
- 239000007788 liquid Substances 0.000 abstract description 26
- 238000002347 injection Methods 0.000 abstract description 15
- 239000007924 injection Substances 0.000 abstract description 15
- 239000010779 crude oil Substances 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010959 steel Substances 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
- E21B43/34—Arrangements for separating materials produced by the 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/006—Accessories for drilling pipes, e.g. cleaners
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a ground oil-water separation injection-production system in the same well, and belongs to the technical field of oil extraction engineering. The system can be used for separating oil and water of produced liquid on the ground, and simultaneously reinjecting the separated water to realize the purpose of injection and production in the same well. Specifically, the sucker rod of the underground system is a hollow sucker rod, and the ground system comprises a hydrocyclone communicated with the port of the oil pipe cross; and one end of the hydrocyclone is communicated with the hollow sucker rod. Therefore, the produced liquid is subjected to oil-water separation through the ground hydrocyclone, and then the separated water is re-injected to a target layer through the hollow sucker rod, so that the water content of the produced liquid is reduced, the injected water amount is saved, the oil-drawing transportation amount of the tank car is reduced, and the crude oil production cost is further saved. Furthermore, the embodiment of the invention also adopts a physical sedimentation mode to precipitate the water separated by the hydrocyclone, so that the quality of the reinjection water is greatly improved, and the injection layer is prevented from being blocked.
Description
Technical field
The present invention relates to technical field of oil production engineering, in particular to a kind of ground water-oil separating single-well injection-production system.
Background technique
In the work of existing In Oil Field Exploration And Development, the exploitation of outlying well is gradually increased, however outlying well is from power grid and life
It is remote to produce pipe network distance, do not have power supply and enters the condition of production pipe network, can only be stored by single tank and is carried out with tank car
Oily production and transport is drawn, this remote traffic intensity is larger；Simultaneously when oil field is in the ultra-high water-containing productive life, in Produced Liquid
Water content will increase, and has undoubtedly aggravated traffic intensity with tank car roping Produced Liquid, has made the tank car economic benefits of transportation efficiency of outlying well
It reduces.
Therefore it provides one kind can solve outlying district production pipe network it is not perfect caused by oil well tank car draw oily traffic intensity big
The problems such as injection and extraction system, it appears it is particularly important.
Summary of the invention
In order to solve the above technical problems, the present invention is carried out by injecting to outlying district oil well and producing process flow
It improves, a kind of ground water-oil separating single-well injection-production system is provided, which can make Produced Liquid grease in surface separation, while will divide
Single-well injection-production is realized in the water re-injection separated out.
Specifically, including technical solution below:
A kind of ground water-oil separating single-well injection-production system, including ground system, downhole system and the connection ground system
The oil pipe four-way of system and the downhole system；
The downhole system includes casing；Positioned at described sleeve pipe inside and be formed between described sleeve pipe oil jacket ring
Empty oil pipe；Positioned at the oil pipe inside and be formed between the oil pipe hollow rod of beam hanger annular space；The oil
Pipe four-way is located at well head and is tightly connected with described sleeve pipe, the oil pipe and the hollow rod, the end of the oil pipe four-way
Mouth is connected to the beam hanger annular space；And
The ground system includes: the hydrocyclone being connected to the port of the oil pipe four-way；The waterpower rotation
One end of stream device is connected to the hollow rod.
Further, the ground system further includes described one end positioned at the hydrocyclone and the hollow oil pumping
Settling tank between bar.
Further, the ground system further includes the pressurization between the settling tank and the hollow rod
Pump.
Further, the ground system further include: the oil storage tank being connected to the other end of the hydrocyclone.
Further, the downhole system further includes the hollow polished rod for being connected to the top of the hollow rod, described
Described one end of hydrocyclone is connected to by the hollow polished rod with the hollow rod.
Further, the downhole system further includes that the cored screw positioned at the lower part of the hollow rod is pumped and is used for
The sealing element of the bottom of the beam hanger annular space and the oil jacket annulus is sealed respectively.
Preferably, sand control is provided between the cored screw pump and the sealing element for sealing the beam hanger annular space
Screen casing.
Preferably, the bottom of the hollow rod is provided with hollow flexible bar.
Preferably, the bottom of the hollow flexible bar is located at the lower section of the production layer, and is located at the top of water filling layer.
Preferably, the downhole system further includes centralizer.
Technical solution provided in an embodiment of the present invention the utility model has the advantages that providing a kind of ground water-oil separating single-well injection-production system
Same-well injection is realized in system, the water re-injection that Produced Liquid grease can be made to be separated on the ground using the system, while will isolated
It adopts.Specifically, the sucker rod that downhole system is arranged in the present invention is hollow rod, and ground system is arranged and includes and oil pipe four-way
Port connection hydrocyclone；And one end of hydrocyclone is connected to hollow rod.It is revolved as a result, by ground waterpower
It flows device and Produced Liquid is subjected to water-oil separating, the water isolated then is recycled into target zone by hollow rod, is not only reduced
Produced Liquid moisture content, saves injected water volume, while reducing tank car and drawing oily freight volume, so saved crude oil production at
This.
Further, the embodiment of the present invention also uses physics subsidence style to sink the water after hydrocyclone separation
It forms sediment, the water quality of reinjected water can be made to be greatly improved, prevent it from blocking implanted layer.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of ground water-oil separating single-well injection-production system provided in an embodiment of the present invention.
Appended drawing reference in figure respectively indicates:
1, ground system；
11, hydrocyclone；
12, settling tank；
13, booster pump；
14, oil storage tank；
15, outlet tube line；
16, petroleum pipeline；
17, connecting pipeline；
18, re-injection pipeline；
2, downhole system；
21, casing；
22, oil pipe；
23, hollow rod；
24, hollow polished rod；
25, cored screw pumps；
26, sealing element；
27, sand control screen；
28, hollow flexible bar；
3, oil pipe four-way；
31, port；
4, layer is produced；
5, layer is filled the water；
X1, beam hanger annular space；
X2, oil jacket annulus.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, below in conjunction with attached drawing to embodiment of the present invention make into
One step it is described in detail.Unless otherwise defined, all technical terms used in the embodiment of the present invention all have and art technology
The normally understood identical meaning of personnel.
The embodiment of the present invention provides a kind of ground water-oil separating single-well injection-production system, including ground system 1, downhole system 2
And the oil pipe four-way 3 of connection ground system 1 and downhole system 2；As shown in Figure 1, downhole system 2 includes casing 21；Positioned at set
The inside of pipe 21 and the oil pipe 22 that oil jacket annulus X2 is formed between casing 21；Positioned at oil pipe 22 inside and with oil pipe 22
Between be formed with the hollow rod 23 of beam hanger annular space X1；Oil pipe four-way 3 be located at well head and with casing 21, oil pipe 22 and hollow
Sucker rod 23 is tightly connected, and the port 31 of oil pipe four-way 3 is connected to beam hanger annular space X1；And ground system 1 includes: and oil pipe four
The hydrocyclone 11 that logical 3 port 31 is connected to, hydrocyclone 11 are used to carry out Produced Liquid water-oil separating, and hydraulic cyclone
One end of device 11 is connected to hollow rod 23.
It should be noted that downhole system 2 further includes the cored screw pump 25 positioned at the lower part of hollow rod 23, and oily
The bottom of burr sky X1 and oil jacket annulus X2 are sealed by sealing element 26, and hollow rod 23 is connected to water filling layer 5, fill the water layer 5
Positioned at the lower section of production layer 4.
Further, 25 concretely hollow rotor screw pump of cored screw pump.
The working principle of water-oil separating single-well injection-production system in ground provided in an embodiment of the present invention are as follows: by 1 He of ground system
After downhole system 2 is accordingly installed, start the system, well liquid is produced from production layer 4, via oil jacket annulus X2 into
Enter beam hanger annular space X1, Produced Liquid is lifted to well head by cored screw pump 25, water is entered by the port 31 of well mouth oil pipe four-way 3
Power cyclone 11, port 31 are connected to by outlet tube line 15 with the inlet of hydrocyclone 11,11 pairs of hydrocyclone extraction
Liquid carries out water-oil separating, obtains high oil mixture and High water cut mixture, wherein High water cut mixed liquor passes through hollow rod
23, which enter purpose, fills the water layer 5, the final water-oil separating for realizing original well liquid ground, and the water isolated is returned note to target zone, reaches
To the purpose of single-well injection-production.The inventive embodiments not only reduce Produced Liquid moisture content, save injected water volume, reduce simultaneously
Tank car draws oily freight volume, and then has saved cost of crude oil production.
In above-mentioned ground water-oil separating single-well injection-production system, in order to further increase the water quality of reinjected water, anti-non-return
Water filling blocking implanted layer, settable ground system 1 further include between one end and hollow rod 23 of hydrocyclone 11
Settling tank 12, settling tank 12 is connected to by connecting pipeline 17 with one end (underflow opening) of hydrocyclone 11；Height after separation
Settling tank 12 is entered by connecting pipeline 17 containing water mixed liquid, it is preferable that settling tank 12 is by the way of physics sedimentation to separation
High water cut mixed liquor afterwards carries out precipitation and purification, to improve the water quality of reinjected water；Further, purified liquid passes through hollow
Sucker rod 23 enters purpose and fills the water layer 5, can effectively prevent re-injection water slug implanted layer.
In above-mentioned ground water-oil separating single-well injection-production system, also settable ground system 1 includes being located at settling tank 12
Booster pump 13 between hollow rod 23, booster pump 13 are connected to by re-injection pipeline 18 with settling tank 12, and purified time
Water filling is flowed out from settling tank 12, enters booster pump 13 via re-injection pipeline 18, and booster pump 13 can make the pressure increase of reinjected water, with
So that re-injection water energy is smoothly back to water filling layer 5 by hollow rod 23.
In above-mentioned ground water-oil separating single-well injection-production system, ground system 1 may also include and hydrocyclone 11
The oil storage tank 14 of other end connection, oil storage tank 14 are connected by the other end (overflow port) of petroleum pipeline 16 and hydrocyclone 11
It is logical；So that the isolated high oil mixture of hydrocyclone 11 passes through the overflow port of water flow cyclone 11, petroleum pipeline is flowed through
Line 16 eventually enters into oil storage tank 14.
In above-mentioned ground water-oil separating single-well injection-production system, downhole system 2, which may also include, is connected to hollow rod
One end (underflow opening) of the hollow polished rod 24 on 23 top, hydrocyclone 11 is connected by hollow polished rod 24 and hollow rod 23
It is logical.One side hollow polished rod 24 is located at the top of hollow rod 23, and stress is larger, and the Steel material system of higher level can be used
At；The surface of another aspect hollow polished rod 24 is more smooth, can be used for being tightly connected with oil pipe four-way 3.
In above-mentioned ground water-oil separating single-well injection-production system, sand control screen 27 is additionally provided on hollow rod 23,
Sand control screen 27 may be provided at cored screw pump 25 and between the sealing element 26 of Seal Oil burr sky X1 (as shown in Figure 1),
Preferably, sand control screen 27 be located at production layer 4 top, for production 4 output of layer well liquid be filtered, prevent gravel into
Enter beam hanger annular space X1 and causes the blocking, abrasion and the destruction that pump 25, hollow rod 23 and hollow polished rod 24 to cored screw.
In above-mentioned ground water-oil separating single-well injection-production system, it may be provided in the bottom of hollow rod 23 hollow soft
Property bar 28, setting hollow flexible bar 28 can pass through the portions such as sealing element 26, sand control screen 27 convenient for hollow rod 23 and oil pipe 22
Part connection, and further G.I.H, hollow rod 23 are connected to by hollow flexible bar 28 with water filling layer 5, it is preferable that hollow
The bottom of flexible link 28 is located at the lower section of production layer 4, and is located at the top of water filling layer 5, in order to the well liquid flowed out from production layer 4
Beam hanger annular space X1 can be entered by sand control screen 27, and reinjected water is made to enter implanted layer 5 from the outflow of hollow flexible bar 28.
In above-mentioned ground water-oil separating single-well injection-production system, downhole system 2 may also include centralizer (not shown go out).
The scheme and effect of the method for the present invention are further illustrated below with reference to the embodiment of Fig. 1:
The embodiment of the present invention is that oily traffic intensity is drawn for canister vehicle, is carried out under oil well normal production scenarios to Produced Liquid
Water-oil separating, the water isolated re-injection after subsiding and purifying enters stratum, and the oil isolated enters oil storage tank, in due course by tank car
It transports.Specifically, it is realized by following device as shown in Figure 1: hollow polished rod 24, oil pipe four-way 3, hollow rod
23, hollow flexible bar 28, sealing element 26, sand control screen 27, cored screw pump 25, outlet tube line 15, hydrocyclone 11, connection
Pipeline 17, settling tank 12, petroleum pipeline 16, oil storage tank 14, re-injection pipeline 18, booster pump 13 etc., the embodiment of the present invention is to pass through
Following steps are realized:
Step 1: first from bottom to top by hollow flexible bar 28, sealing element 26, centralizer, sand control screen 27, cored screw
Pump 25, hollow rod 23, the connection of hollow polished rod 24 and G.I.H；
Step 2: the other end connects hydraulic cyclone by a port 31 of one end connected pipes four-way 3 of outlet tube line 15
Then the underflow opening of hydrocyclone 11 is connect by the inlet of device 11 with one end of connecting pipeline 17, connecting pipeline 17 it is another
One end is connected to settling tank 12, and the overflow port of hydrocyclone 11 is connected by petroleum pipeline 16 with oil storage tank 14；
Step 2: after original well liquid enters beam hanger annular space X1 by sand control screen 27 by production layer 4, it will by cored screw pump 25
Produced Liquid is lifted to ground；
Step 3:, by the port 31 of well mouth oil pipe four-way 3, flowing through outlet tube line 15 after Produced Liquid reaches ground, enter
Hydrocyclone 11 carries out water-oil separating；High oil-containing mixed liquor after separation passes through the overflow port of hydrocyclone 11, flows through defeated
Oil pipeline 16 eventually enters into oil storage tank 14；
Step 4: the High water cut mixed liquor after separation flows into settling tank 12 by connecting pipeline 17 and is purified, after purification
Liquid hollow polished rod 24 is flowed by re-injection pipeline 18 under the action of booster pump 13, then via hollow rod 23, hollow spiral shell
Bar pump 25, hollow flexible bar 28 enter purpose and fill the water layer 5.
The embodiment of the present invention can be such that Produced Liquid grease is separated on the ground, while the water re-injection that will be isolated, and realize
The purpose of single-well injection-production not only reduces Produced Liquid moisture content, saves injected water volume, while reducing tank car and drawing oil transport
Amount, and then saved cost of crude oil production.Further, the embodiment of the present invention uses ground cyclone and mutually ties with physics sedimentation
The mode of conjunction is improved the water quality of the reinjected water after hydrocyclone separation, prevents its from blocking implanted layer, while using empty
Water is returned note by heart medium, underground structure is transformed few, it is easy to accomplish.
The above is merely for convenience of it will be understood by those skilled in the art that technical solution of the present invention, not to limit
The present invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of ground water-oil separating single-well injection-production system, including ground system (1), downhole system (2) and connection are describedly
The oil pipe four-way (3) of plane system (1) and the downhole system (2)；It is characterized in that,
The downhole system (2) includes casing (21)；Inside positioned at described sleeve pipe (21) and the shape between described sleeve pipe (21)
At the oil pipe (22) for having oil jacket annulus (X2)；Positioned at the oil pipe (22) inside and be formed between the oil pipe (22)
The hollow rod (23) of beam hanger annular space (X1)；
The oil pipe four-way (3) be located at well head and with described sleeve pipe (21), the oil pipe (22) and the hollow rod (23)
It is tightly connected, the port (31) of the oil pipe four-way (3) is connected to the beam hanger annular space (X1)；And
The ground system (1) includes: the hydrocyclone (11) being connected to the port (31) of the oil pipe four-way (3)；
One end of the hydrocyclone (11) is connected to the hollow rod (23).
2. water-oil separating single-well injection-production system in ground according to claim 1, which is characterized in that the ground system (1)
It further include the settling tank (12) between the one end and the hollow rod (23) of the hydrocyclone (11).
3. water-oil separating single-well injection-production system in ground according to claim 2, which is characterized in that the ground system (1)
It further include the booster pump (13) between the settling tank (12) and the hollow rod (23).
4. water-oil separating single-well injection-production system in ground according to claim 1, which is characterized in that the ground system (1)
Further include: the oil storage tank (14) being connected to the other end of the hydrocyclone (11).
5. water-oil separating single-well injection-production system in ground according to claim 1, which is characterized in that the downhole system (2)
It further include the hollow polished rod (24) for being connected to the top of the hollow rod (23), described the one of the hydrocyclone (11)
End is connected to by the hollow polished rod (24) with the hollow rod (23).
6. water-oil separating single-well injection-production system in ground according to claim 5, which is characterized in that the downhole system (2)
It further include positioned at the cored screw pump (25) of the lower part of the hollow rod (23) and for sealing the beam hanger annular space respectively
(X1) and the sealing element (26) of the bottom of the oil jacket annulus (X2).
7. water-oil separating single-well injection-production system in ground according to claim 6, which is characterized in that the cored screw pump
(25) sand control screen (27) are provided between the sealing element (26) for sealing the beam hanger annular space (X1).
8. water-oil separating single-well injection-production system in ground according to claim 7, which is characterized in that the hollow rod
(23) bottom is provided with hollow flexible bar (28).
9. water-oil separating single-well injection-production system in ground according to claim 8, which is characterized in that the hollow flexible bar
(28) bottom is located at the lower section of production layer (4), and is located at the top of water filling layer (5).
10. water-oil separating single-well injection-production system in ground according to claim 1, which is characterized in that the downhole system (2)
It further include centralizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413693.0A CN108979614A (en) | 2017-06-05 | 2017-06-05 | Ground oil-water separation injection-production system in same well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413693.0A CN108979614A (en) | 2017-06-05 | 2017-06-05 | Ground oil-water separation injection-production system in same well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108979614A true CN108979614A (en) | 2018-12-11 |
Family
ID=64502557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710413693.0A Pending CN108979614A (en) | 2017-06-05 | 2017-06-05 | Ground oil-water separation injection-production system in same well |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984953A (en) * | 2019-11-19 | 2020-04-10 | 东北石油大学 | Harmful gas treatment method in fracturing flow-back process |
| CN111379556A (en) * | 2018-12-27 | 2020-07-07 | 中国石油天然气股份有限公司 | Method and device for judging fault type of screw pump well |
| CN113669038A (en) * | 2020-05-15 | 2021-11-19 | 青岛中瑞泰软控科技股份有限公司 | Screw pump injection-production integrated production device |
| CN114059971A (en) * | 2020-07-31 | 2022-02-18 | 中国石油化工股份有限公司 | Same-well production and injection process method and process system for gas well |
| CN114382449A (en) * | 2020-10-19 | 2022-04-22 | 北京中能万祺能源技术服务有限公司 | Reinjection water system for coal bed gas well exploitation |
| CN114837637A (en) * | 2021-02-01 | 2022-08-02 | 中国石油天然气股份有限公司 | Self-extracting and self-injecting device in same well |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087157A (en) * | 1992-11-14 | 1994-05-25 | 北京市西城区新开通用试验厂 | The free water of high-water-cut oil-producing well is the re-injection device on the spot |
| WO2000003118A1 (en) * | 1998-07-13 | 2000-01-20 | Read Group A/S | A method and apparatus for producing an oil reservoir |
| WO2001049973A1 (en) * | 2000-01-06 | 2001-07-12 | Baker Hughes Incorporated | Method and apparatus for downhole production testing |
| CA2574989A1 (en) * | 2003-11-26 | 2004-06-02 | Cdx Gas, Llc | Method and system for extraction of resources from a subterranean well bore |
| CN201273285Y (en) * | 2008-09-27 | 2009-07-15 | 中国石油天然气股份有限公司 | Screw pump fluid-mixing viscosity-reducing system |
| CN201517406U (en) * | 2009-10-13 | 2010-06-30 | 中国石油天然气股份有限公司 | Three-channel closed coal bed gas well gas lift system |
| CN201581877U (en) * | 2009-11-20 | 2010-09-15 | 大庆油田有限责任公司 | Same-well multi-layer injection-production technical tubing string |
| US20100230112A1 (en) * | 2009-01-30 | 2010-09-16 | Conocophillips Company | Multi-Channel, Combination Coiled Tubing Strings for Hydraulically Driven Downhole Pump |
| CN202451120U (en) * | 2011-12-12 | 2012-09-26 | 北京东晟世纪科技有限公司 | High-flow underground oil-water separation and production-injection device for offshore oil production |
| CN202900221U (en) * | 2012-10-29 | 2013-04-24 | 无锡世联丰禾石化装备科技有限公司 | Thickened oil steam huff and puff injection-extraction integrated device |
| CN103742124A (en) * | 2013-12-28 | 2014-04-23 | 中国石油天然气股份有限公司 | Method for re-separating produced liquid of underground oil-water separation same-well injection and production well |
-
2017
- 2017-06-05 CN CN201710413693.0A patent/CN108979614A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087157A (en) * | 1992-11-14 | 1994-05-25 | 北京市西城区新开通用试验厂 | The free water of high-water-cut oil-producing well is the re-injection device on the spot |
| WO2000003118A1 (en) * | 1998-07-13 | 2000-01-20 | Read Group A/S | A method and apparatus for producing an oil reservoir |
| WO2001049973A1 (en) * | 2000-01-06 | 2001-07-12 | Baker Hughes Incorporated | Method and apparatus for downhole production testing |
| CA2574989A1 (en) * | 2003-11-26 | 2004-06-02 | Cdx Gas, Llc | Method and system for extraction of resources from a subterranean well bore |
| CN201273285Y (en) * | 2008-09-27 | 2009-07-15 | 中国石油天然气股份有限公司 | Screw pump fluid-mixing viscosity-reducing system |
| US20100230112A1 (en) * | 2009-01-30 | 2010-09-16 | Conocophillips Company | Multi-Channel, Combination Coiled Tubing Strings for Hydraulically Driven Downhole Pump |
| CN201517406U (en) * | 2009-10-13 | 2010-06-30 | 中国石油天然气股份有限公司 | Three-channel closed coal bed gas well gas lift system |
| CN201581877U (en) * | 2009-11-20 | 2010-09-15 | 大庆油田有限责任公司 | Same-well multi-layer injection-production technical tubing string |
| CN202451120U (en) * | 2011-12-12 | 2012-09-26 | 北京东晟世纪科技有限公司 | High-flow underground oil-water separation and production-injection device for offshore oil production |
| CN202900221U (en) * | 2012-10-29 | 2013-04-24 | 无锡世联丰禾石化装备科技有限公司 | Thickened oil steam huff and puff injection-extraction integrated device |
| CN103742124A (en) * | 2013-12-28 | 2014-04-23 | 中国石油天然气股份有限公司 | Method for re-separating produced liquid of underground oil-water separation same-well injection and production well |
Non-Patent Citations (1)
| Title |
|---|
| 万仁溥 编: "《现代完井工程》", 31 May 2000 * |
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