CN119145815A - Layered synchronous injection and production method and storage medium - Google Patents
Layered synchronous injection and production method and storage medium Download PDFInfo
- Publication number
- CN119145815A CN119145815A CN202310701372.6A CN202310701372A CN119145815A CN 119145815 A CN119145815 A CN 119145815A CN 202310701372 A CN202310701372 A CN 202310701372A CN 119145815 A CN119145815 A CN 119145815A
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- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
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- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
- E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons
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- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
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- 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
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
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- 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
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
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- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
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- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/06—Sleeve valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The application relates to a layered synchronous injection and production method and a storage medium, wherein the method comprises the steps of preparing a layered synchronous injection and production process tubular column; the layered synchronous injection and production process pipe column is put into a production well, medium is injected into the layered synchronous injection and production process pipe column, balls are thrown into the layered synchronous injection and production process pipe column, and layered synchronous injection and production operation is carried out. The layered synchronous injection and production method and the storage medium can realize layered synchronous injection of different mediums according to the actual needs of the oil well in a freely combined injection mode, and meanwhile, the layered synchronous production can be carried out by fixing the pipe column after the gas assisted steam is hugged and disgorged, the interlayer interference is restrained, the heat loss is reduced, the hugged and disgorged effect and the production time rate are improved, and the method and the storage medium have the functions of flushing wells, doping thin oil and the like.
Description
Technical Field
The application relates to the field of oil extraction engineering, in particular to a layered synchronous injection and extraction method and a storage medium.
Background
With the development of the thick oil entering the middle and later stages, the contradiction between insufficient formation energy and low pressure and low yield is prominent, and the development effect of the thick oil is seriously affected. The gas auxiliary steam huff and puff technology such as carbon dioxide and nitrogen auxiliary discharge is an effective technological measure for supplementing stratum energy and improving the development effect of thickened oil, and mainly adopts a general injection mode, so that the mediums such as carbon dioxide and nitrogen cannot effectively enter a target layer due to large physical property differences among part of oil wells, the measure pertinence is poor, the layering injection is carried out by two pipe columns in a split way, the synchronous injection cannot be carried out by adopting a slug type injection mode, the application range is limited, the construction period is long, the operation procedure is complex, the production time rate is low, and the like. Meanwhile, after the gas auxiliary steam is delivered, the thermal production pipe column is required to be lifted out, the thermal production pipe column is put into the production pipe column, the heat loss is large, and the production effect is affected.
Disclosure of Invention
In order to solve the technical problems or at least partially solve the technical problems, the application provides a layered synchronous injection and production method and a storage medium.
In a first aspect, the present application provides a layered synchronous injection and production method, the method comprising the steps of:
preparing a layered synchronous injection and production process tubular column;
lowering the layered synchronous injection and production process pipe column into a production well;
Injecting a medium into the layered synchronous injection and production process pipe column;
ball injection is carried out in the layered synchronous injection and production process pipe column;
And carrying out layered synchronous injection and production operation.
Preferably, the layered synchronous injection and production process pipe column comprises a first packer, a layered sliding sleeve switch, a second packer, a lateral multifunctional check valve, a telescopic pipe and an oil pump, wherein the layered sliding sleeve switch is respectively connected with the first packer and the second packer, the lateral multifunctional check valve is respectively connected with the second packer and the telescopic pipe, and the telescopic pipe is connected with the oil pump.
Preferably, the layered synchronous injection and production process pipe column further comprises an injection and production pipe, wherein the injection and production pipe is connected with the oil well pump.
Preferably, the layered sliding sleeve switch comprises an upper joint, a pin, a sliding sleeve and a lower joint, wherein two ends of the sliding sleeve are respectively connected with the upper joint and the lower joint, and the pin is arranged on the sliding sleeve.
Preferably, the lateral multifunctional check valve comprises a valve body, a valve cap, a steel ball and a spring, wherein the valve cap is arranged on the valve body, the steel ball and the spring are arranged in the valve cap, and two ends of the spring respectively prop against the valve cap and the steel ball.
Preferably, the injecting medium into the layered synchronous injection and production process pipe column comprises the following steps:
inputting a first medium into an injection and production oil pipe of the layered synchronous injection and production process pipe column;
and injecting a second medium into a space between the layered synchronous injection and production process pipe column and the oil production well.
Preferably, the first medium is steam;
preferably, the second medium is nitrogen.
In a third aspect, an electronic device is provided, the electronic device comprising:
at least one processor, and
A memory communicatively coupled to the at least one processor, wherein,
The memory stores instructions executable by the at least one processor to enable the at least one processor to perform any of the aforementioned methods of layered synchronized injection and production.
In a fourth aspect, a non-transitory computer readable storage medium is provided, the non-transitory computer readable storage medium storing computer instructions for causing the computer to perform any of the aforementioned hierarchical synchronous injection and production methods.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the layered synchronous injection and production method and the storage medium can realize layered synchronous injection of different mediums according to the actual needs of the oil well in a freely combined injection mode, and meanwhile, the layered synchronous production can be carried out by fixing the pipe column after the gas assisted steam is hugged and disgorged, the interlayer interference is restrained, the heat loss is reduced, the hugged and disgorged effect and the production time rate are improved, and the method and the storage medium have the functions of flushing wells, doping thin oil and the like.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a layered synchronous injection and production process pipe column in a layered synchronous injection and production method according to an embodiment of the present invention;
FIG. 2 is a schematic state diagram of a hierarchical synchronous injection and production method according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a hierarchical sliding sleeve switch in a hierarchical synchronous injection and production method according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a lateral multifunctional check valve in a layered synchronous injection and production method according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a first packer in a layered synchronous injection and production method according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to the present invention;
fig. 7 is a schematic structural diagram of a non-transitory computer readable storage medium according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Fig. 1 is a schematic flow chart of a layered synchronous injection and production method according to an embodiment of the present application.
The application provides a layered synchronous injection and production method, which comprises the following steps:
S1, preparing a layered synchronous injection and production process tubular column;
In the embodiment of the application, the layered synchronous injection and production process pipe column comprises a first packer 1, a layered sliding sleeve switch 2, a second packer 3, a lateral multifunctional check valve 4, a telescopic pipe 5 and an oil well pump 6, wherein the layered sliding sleeve switch 2 is respectively connected with the first packer 1 and the second packer 3, the lateral multifunctional check valve 4 is respectively connected with the second packer 3 and the telescopic pipe 5, and the telescopic pipe 5 is connected with the oil well pump 6.
Specifically, a first packer 1, a layered sliding sleeve switch 2, a second packer 3, a lateral multifunctional check valve 4, a telescopic pipe 5 and an oil pump 6 are sequentially distributed from bottom to top to form a layered synchronous injection and production process pipe column, different mediums are injected into the layered synchronous injection and production process pipe column in a layered mode to be combined with layered oil extraction, and the layered synchronous injection and production process pipe column completes synchronous layered injection and layered oil extraction.
In the embodiment of the application, the layered synchronous injection and production process pipe column further comprises an injection and production pipe 7, wherein the injection and production pipe 7 is connected with the oil pump 6.
Specifically, the oil injection and extraction pipe 7 is used for outputting the oil pumped by the oil pump 6.
In the embodiment of the application, the layered sliding sleeve switch 2 comprises an upper joint 21, a pin 22, a sliding sleeve 23 and a lower joint 24, wherein two ends of the sliding sleeve 23 are respectively connected with the upper joint 21 and the lower joint 24, and the pin 22 is arranged on the sliding sleeve 23.
As shown in fig. 3, specifically, the layered sliding sleeve switch 2 is connected between the first packer 1 and the second packer 3, the ball is seated on the sliding sleeve seat after ball injection, the pin 22 is sheared by injection pressure, the sliding sleeve 23 descends to a limit step position, and at this time, the lateral port is exposed to form a lateral channel.
In the embodiment of the application, the lateral multifunctional check valve 4 comprises a valve body 41, a valve cap 42, a steel ball 43 and a spring 44, wherein the valve cap 42 is arranged on the valve body 41, the steel ball 43 and the spring 44 are arranged in the valve cap 42, and two ends of the spring 44 respectively abut against the valve cap 42 and the steel ball 43.
As shown in fig. 5, the first packer 1 and the second packer 3 (Y361 packer) are set by adopting heating power, when the temperature reaches 200 ℃, the expanding agent is heated and expanded, and the piston is pushed to drive the cone to compress the rubber cylinder, so that the space of the sealing ring sleeve is sealed. And a locking mechanism is designed to ensure the sealing requirement of the packer in the production process state after steam injection.
S2, the layered synchronous injection and production process pipe column is put into a production well;
Specifically, a layered synchronous injection and production process pipe column is lowered into a design position.
S3, injecting a medium into the layered synchronous injection and production process pipe column;
In the embodiment of the present application, the step of injecting the medium into the layered synchronous injection and production process pipe column includes the steps of:
inputting a first medium into an oil injection and production pipe 7 of the layered synchronous oil injection and production process pipe column;
and injecting a second medium into a space between the layered synchronous injection and production process pipe column and the oil production well.
In the embodiment of the present application, the first medium is steam;
In the embodiment of the present application, the second medium is nitrogen.
S4, ball injection is carried out in the layered synchronous injection and production process pipe column;
s5, carrying out layered synchronous injection and production operation.
The layered synchronous injection and production process pipe column is put into a design position to start steam injection, along with the rise of the steam injection temperature, a Y361 packer is sealed (at this time, an oil sleeve is separated, an upper oil layer and a lower oil layer are separated by the packer to form two units, the Y361 packer is provided with a locking device and is always in a sealed state, the technical requirements of layered steam injection and layered oil production are met), steam is injected through an injection and production pipe 7, then nitrogen is injected from a sleeve, enters the injection and production pipe 7 through a lateral multifunctional check valve 4 and is mixed with the steam, and the nitrogen is synchronously injected into the lower oil layer. When the steam and nitrogen reach the design requirement, the well head is thrown to the ball, and the ball falls on the 2 ball seats of layering sliding sleeve switch, relies on injection pressure, cuts pin 22, and sliding sleeve 23 descends, and the ball seats and blocks off radial passageway on the ball seat, and the side export exposes the mixed gas and gets into upper portion oil reservoir by the export, and steam and nitrogen are synchronous to be injected into upper portion oil reservoir, reach the design injection amount, realize layering synchronous injection. After the steam injection is finished, the upper and lower oil layers are simultaneously stewed and opened.
When the pump is started, the upper oil layer liquid enters the oil pump 6 through the lateral opening of the sliding sleeve 23 switch, and directly is produced, the lower oil layer liquid is pushed up by the oil layer pressure to lift the low-density ball on the ball seat of the layered sliding sleeve switch 2 to enter the oil pump 7, and is mixed with the upper oil layer liquid to be lifted to the ground along with the oil pump, and the upper layer and the lower layer are simultaneously supplied with liquid, so that two-layer synchronous production is realized, and interlayer interference is relieved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and are in no way limiting of the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Referring now to fig. 6, a schematic diagram of an electronic device 100 suitable for use in implementing embodiments of the present disclosure is shown. The electronic devices in the embodiments of the present disclosure may include, but are not limited to, mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), in-vehicle terminals (e.g., in-vehicle navigation terminals), and the like, and stationary terminals such as digital TVs, desktop computers, and the like. The electronic device shown in fig. 6 is merely an example and should not be construed to limit the functionality and scope of use of the disclosed embodiments.
As shown in fig. 6, the electronic device 100 may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 101 that may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 102 or a program loaded from a storage means 108 into a Random Access Memory (RAM) 103. In the RAM 103, various programs and data necessary for the operation of the electronic apparatus 100 are also stored. The processing device 101, ROM 102, and RAM 103 are connected to each other by a bus 104. An input/output (I/O) interface 105 is also connected to bus 104.
In general, devices may be connected to I/O interface 105 including input devices 106 such as a touch screen, touch pad, keyboard, mouse, image sensor, microphone, accelerometer, gyroscope, etc., output devices 107 including a Liquid Crystal Display (LCD), speaker, vibrator, etc., storage devices 108 including magnetic tape, hard disk, etc., and communication devices 109. The communication means 109 may allow the electronic device 100 to communicate wirelessly or by wire with other devices to exchange data. While an electronic device 100 having various means is shown in the figures, it is to be understood that not all of the illustrated means are required to be implemented or provided. More or fewer devices may be implemented or provided instead.
In particular, according to embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network via the communication means 109, or from the storage means 108, or from the ROM 102. The above-described functions defined in the methods of the embodiments of the present disclosure are performed when the computer program is executed by the processing device 101.
Referring now to fig. 7, there is illustrated a schematic diagram of a computer readable storage medium suitable for use in implementing embodiments of the present disclosure, the computer readable storage medium storing a computer program which, when executed by a processor, is capable of implementing a hierarchical synchronous injection and production method as described in any of the above.
The layered synchronous injection and production method and the storage medium can realize layered synchronous injection of different mediums according to the actual needs of the oil well in a freely combined injection mode, and meanwhile, the layered synchronous production can be carried out by fixing the pipe column after the gas assisted steam is hugged and disgorged, the interlayer interference is restrained, the heat loss is reduced, the hugged and disgorged effect and the production time rate are improved, and the method and the storage medium have the functions of flushing wells, doping thin oil and the like.
It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A layered synchronous injection and production method, characterized in that the method comprises the steps of:
preparing a layered synchronous injection and production process tubular column;
lowering the layered synchronous injection and production process pipe column into a production well;
Injecting a medium into the layered synchronous injection and production process pipe column;
ball injection is carried out in the layered synchronous injection and production process pipe column;
And carrying out layered synchronous injection and production operation.
2. The method of claim 1, wherein the string comprises a first packer, a layered sliding sleeve switch, a second packer, a lateral multifunctional single-flow valve, a telescopic pipe and an oil pump, wherein the layered sliding sleeve switch is respectively connected with the first packer and the second packer, the lateral multifunctional single-flow valve is respectively connected with the second packer and the telescopic pipe, and the telescopic pipe is connected with the oil pump.
3. The method of claim 2, wherein the string further comprises a string, wherein the string is coupled to the pump.
4. The method of claim 2, wherein the hierarchical sliding sleeve switch comprises an upper joint, a pin, a sliding sleeve and a lower joint, wherein two ends of the sliding sleeve are respectively connected with the upper joint and the lower joint, and the pin is arranged on the sliding sleeve.
5. The layered synchronous injection and production method according to claim 2, wherein the lateral multifunctional single-flow valve comprises a valve body, a valve cap, a steel ball and a spring, wherein the valve cap is arranged on the valve body, the steel ball and the spring are arranged in the valve cap, and two ends of the spring respectively abut against the valve cap and the steel ball.
6. The method of layered synchronized injection and production of claim 1, wherein said injecting medium into said layered synchronized injection and production process string comprises the steps of:
inputting a first medium into an injection and production oil pipe of the layered synchronous injection and production process pipe column;
and injecting a second medium into a space between the layered synchronous injection and production process pipe column and the oil production well.
7. The method of claim 6, wherein the first medium is steam.
8. The method of claim 6, wherein the second medium is nitrogen.
9. An electronic device, the electronic device comprising:
at least one processor, and
A memory communicatively coupled to the at least one processor, wherein,
The memory stores instructions executable by the at least one processor to enable the at least one processor to perform the layered synchronized injection and production method of any of the preceding claims 1-7.
10. A non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the layered synchronized injection and production method of any of the preceding claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310701372.6A CN119145815A (en) | 2023-06-14 | 2023-06-14 | Layered synchronous injection and production method and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310701372.6A CN119145815A (en) | 2023-06-14 | 2023-06-14 | Layered synchronous injection and production method and storage medium |
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| Publication Number | Publication Date |
|---|---|
| CN119145815A true CN119145815A (en) | 2024-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310701372.6A Pending CN119145815A (en) | 2023-06-14 | 2023-06-14 | Layered synchronous injection and production method and storage medium |
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| US4099568A (en) * | 1974-02-15 | 1978-07-11 | Texaco Inc. | Method for recovering viscous petroleum |
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| WO2015000447A1 (en) * | 2013-07-03 | 2015-01-08 | 胜利油田隆迪石油技术(装备)有限责任公司 | Injection-extraction integrated sand-discharging oil extraction method for a thermal recovery and device thereof |
| CN204457706U (en) * | 2014-12-26 | 2015-07-08 | 中国石油天然气股份有限公司 | A same-well injection-production thermal production string for vertical wells |
| CN110939420A (en) * | 2019-12-31 | 2020-03-31 | 克拉玛依联科节能环保技术有限公司 | Thick oil thermal recovery layering injection and recovery integrated pipe column tool |
| CN113863907A (en) * | 2020-06-30 | 2021-12-31 | 中国石油天然气股份有限公司 | Carbon dioxide composite layered huff and puff pipe column |
| CN216588553U (en) * | 2021-12-03 | 2022-05-24 | 中国石油化工股份有限公司 | Integrated tubular column for gas injection and dilution production of heavy oil well |
-
2023
- 2023-06-14 CN CN202310701372.6A patent/CN119145815A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4099568A (en) * | 1974-02-15 | 1978-07-11 | Texaco Inc. | Method for recovering viscous petroleum |
| CN2632305Y (en) * | 2003-06-27 | 2004-08-11 | 中国石油天然气股份有限公司 | A packer for separate injection and combined production downhole in thermal recovery of heavy oil |
| CN202441350U (en) * | 2012-01-16 | 2012-09-19 | 中国石油天然气股份有限公司 | A production string for layer-selective air injection and steam catalytic oxidation |
| WO2015000447A1 (en) * | 2013-07-03 | 2015-01-08 | 胜利油田隆迪石油技术(装备)有限责任公司 | Injection-extraction integrated sand-discharging oil extraction method for a thermal recovery and device thereof |
| CN204457706U (en) * | 2014-12-26 | 2015-07-08 | 中国石油天然气股份有限公司 | A same-well injection-production thermal production string for vertical wells |
| CN110939420A (en) * | 2019-12-31 | 2020-03-31 | 克拉玛依联科节能环保技术有限公司 | Thick oil thermal recovery layering injection and recovery integrated pipe column tool |
| CN113863907A (en) * | 2020-06-30 | 2021-12-31 | 中国石油天然气股份有限公司 | Carbon dioxide composite layered huff and puff pipe column |
| CN216588553U (en) * | 2021-12-03 | 2022-05-24 | 中国石油化工股份有限公司 | Integrated tubular column for gas injection and dilution production of heavy oil well |
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