CN108708716B - Multifunctional three-dimensional flow simulation closing device - Google Patents
Multifunctional three-dimensional flow simulation closing device Download PDFInfo
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- CN108708716B CN108708716B CN201810481602.1A CN201810481602A CN108708716B CN 108708716 B CN108708716 B CN 108708716B CN 201810481602 A CN201810481602 A CN 201810481602A CN 108708716 B CN108708716 B CN 108708716B
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- rubber sleeve
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- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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- 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
- E21B47/00—Survey of boreholes or 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention relates to a multifunctional three-dimensional flow simulation closing device, which comprises a model holder and a model rubber sleeve assembly arranged in the holder in a matching way; the model holder comprises a holder body, a holder bottom cover detachably assembled at the bottom end of the holder body and a holder top cover detachably assembled at the top end of the holder body; the model rubber sleeve assembly comprises a rubber sleeve upper fixing frame, a rubber sleeve lower fixing frame, a model rubber sleeve, a rubber sleeve top cover, a model pressure measuring point and an experimental rock core positioned in the model rubber sleeve; an electrode is embedded in the experimental rock core. The invention has simple and reasonable structural design, can effectively simulate the stratum condition, simultaneously apply confining pressure and back pressure, realize the collection of a pressure field and a saturation field under the condition of high temperature and high pressure, and realize the simultaneous collection and monitoring of the liquid production capacity of multiple wells.
Description
Technical Field
The invention relates to a simulation device, in particular to a multifunctional three-dimensional flow simulation closing device.
Background
In the process of petroleum exploration, development and production, the solution of many problems needs to be carried out by an indoor rubber sleeve flowing experiment, and the indoor rubber sleeve displacement experiment is carried out by adopting a displacement experiment device.
At present, a common displacement device can perform experiments under one-dimensional and two-dimensional conditions and is used for microscopic characteristic research; the experimental device under the three-dimensional condition mostly adopts a sand-filled model experimental device, and the device can carry out physical simulation under the low-pressure condition. The experimental device can not simultaneously realize the research on the flow fields of injection and production wells, injection and production well groups, the oil displacement efficiency and the like under the high-temperature and high-pressure conditions.
The existing three-dimensional large-size physical simulation experiment device cannot effectively simulate the stratum condition and can not apply confining pressure and back pressure simultaneously; the used model is formed by splicing a sand filling model or a flat model, and has a larger difference with an actual reservoir; the simultaneous testing of the pressure field and the saturation field cannot be realized; simultaneous metering and collection of multiple well flows cannot be achieved.
Disclosure of Invention
Aiming at the problems, the invention provides the multifunctional three-dimensional flow simulation closing device which is simple and reasonable in structural design, can effectively simulate stratum conditions, simultaneously applies confining pressure and back pressure, realizes the collection of a pressure field and a saturation field under the conditions of high temperature and high pressure, and can realize the simultaneous collection and monitoring of multi-well liquid production.
The technical scheme of the invention is as follows:
the multifunctional three-dimensional flow simulation closing device comprises a model holder and a model rubber sleeve assembly which is arranged in the model holder in a matched mode; the model holder comprises a holder body, a holder bottom cover detachably assembled at the bottom end of the holder body and a holder top cover detachably assembled at the top end of the holder body; the model rubber sleeve assembly comprises a rubber sleeve upper fixing frame, a rubber sleeve lower fixing frame, a model rubber sleeve, a rubber sleeve top cover, a model pressure measuring point and an experimental rock core positioned in the model rubber sleeve; the model rubber sleeve is arranged in the holder body, and the top end surface of the model rubber sleeve is provided with a rubber sleeve top cover in a matching way; the upper fixing frame of the rubber sleeve is overlapped on the top end surface of the top cover of the rubber sleeve in a matching manner; the lower rubber sleeve fixing frame is overlapped on the bottom end face of the model rubber sleeve in a matching manner; the upper rubber sleeve fixing frame and the lower rubber sleeve fixing frame are connected and fixed in a matching manner through a fastener, so that the top cover of the rubber sleeve is tightly pressed and fixed on the top end surface of the model rubber sleeve; an electrode is embedded in the experimental rock core; the model pressure measuring points are led out from the side, the top and the bottom of the model rubber sleeve; and the electrodes are led out from the top of the rubber sleeve top cover and the top of the model holder in sequence, and the leading-out ends are provided with a pressure sensor and a saturation acquisition device so as to be used for acquiring the pressure and the saturation of each layer inside the experimental rock core.
The multifunctional three-dimensional flow simulation closing device comprises: the top port of the holder body is uniformly protruded outwards along the circumference to form an annular top cover assembly table; top cover assembling holes which are axially arranged are uniformly distributed on the annular table top of the top cover assembling table; the bottom port of the clamp holder body is uniformly protruded outwards along the circumference to form an annular bottom cover assembly table; and bottom cover assembling holes which are axially formed are uniformly distributed on the annular table top of the bottom cover assembling table.
The multifunctional three-dimensional flow simulation closing device comprises: the bottom cover of the clamp holder is of a disc-shaped structure, and a circular bottom cover through hole is formed in the middle of the bottom cover; the bottom cover of the clamp holder is uniformly provided with bottom cover mounting holes along the axial end face of the bottom cover; the bottom cover mounting hole corresponds to the bottom cover assembling hole in a matching manner; the bottom cover of the clamp is fixedly assembled on the bottom cover assembly table through the bottom cover mounting hole and the bottom cover assembly hole and a bottom cover fastening bolt.
The multi-functional three-dimensional flow simulation closing device, wherein: the bottom cover of the clamp is connected with the bottom cover assembly table in a right-angle surface structure form.
The multi-functional three-dimensional flow simulation closing device, wherein: the top cover of the clamp holder is of a disc-shaped structure, and a circular top cover through hole is formed in the middle of the top cover; the top cover of the clamp holder is uniformly provided with top cover mounting holes along the axial end face of the top cover; the top cover mounting hole corresponds to the top cover assembling hole in a matching manner; the top cover of the clamp is fixedly assembled on the top cover assembly table through the top cover mounting hole and the top cover assembly hole and a top cover fastening bolt.
The multi-functional three-dimensional flow simulation closing device, wherein: the top surface of the top cover of the clamp is also provided with a flange in a region corresponding to the upper port of the through hole of the top cover through a fastener in a matching way; the flange is provided with a plurality of through holes along the axial end face.
The multifunctional three-dimensional flow simulation closing device comprises: the top cover of the clamp is connected with the top cover assembly table in a right-angle surface structure.
The multi-functional three-dimensional flow simulation closing device, wherein: the number of the model pressure measuring points is 32, 18 model pressure measuring points are led out from the side face of the model rubber sleeve, 13 model pressure measuring points are led out from the top of the model rubber sleeve, and 1 model pressure measuring point is led out from the bottom of the model rubber sleeve.
The multi-functional three-dimensional flow simulation closing device, wherein: three layers of the electrodes are embedded in the experimental rock core inside the model rubber sleeve, and each layer is provided with 13 groups of the electrodes, so that 39 groups of the electrodes are arranged in the experimental rock core inside the model rubber sleeve.
The multi-functional three-dimensional flow simulation closing device, wherein: the maximum bearing pressure of the model rubber sleeve assembly is 30MPa, and the maximum bearing temperature is 200 ℃.
Has the advantages that:
the multifunctional three-dimensional flow simulation closing device can simultaneously realize the acquisition of a pressure field and a saturation field under the conditions of high temperature and high pressure; the simultaneous monitoring and acquisition of the multi-well liquid production amount can be realized; the experimental study under various in-situ conditions can be carried out, including thickened oil huff and puff experiment, pressure field change experiment of a basic well pattern and an encrypted well pattern, water displacement efficiency experiment, residual oil distribution experiment of an injection and production well group and the like; the formation conditions can be effectively simulated, and the confining pressure and the back pressure are applied at the same time; the model used by the invention is a three-dimensional large-size rubber sleeve similar to the physical property of an actual reservoir, and can simultaneously realize the test of a pressure field and a saturation field and the simultaneous measurement and acquisition of multi-well flow; the maximum pressure of the model used in the invention is 30MPa, and the maximum temperature is 300 ℃.
Drawings
FIG. 1 is an exploded view of the multi-functional three-dimensional flow simulation enclosure of the present invention;
FIG. 2 is an overall external view of the multi-functional three-dimensional flow simulator enclosure of the present invention;
FIG. 3 is a cross-sectional view of the multi-functional three-dimensional flow simulator enclosure of the present invention.
Detailed Description
As shown in fig. 1 to 3, the multifunctional three-dimensional flow simulation closing device of the present invention comprises a model holder 1 and a model rubber sleeve assembly 2 installed inside the model holder 1 in a matching manner.
The model clamper 1 comprises a clamper body 11, a clamper bottom cover 12 which is detachably assembled at the bottom end of the clamper body 11 and a clamper top cover 13 which is detachably assembled at the top end of the clamper body 11.
The top end opening of the holder body 11 is uniformly protruded outwards along the circumference to form an annular top cover assembly table 111, and a plurality of top cover assembly holes 112 which are axially formed are uniformly distributed on the annular table surface of the top cover assembly table 111; the bottom port of the holder body 11 is uniformly and convexly formed with an annular bottom cover assembly platform 113 along the circumference, and a plurality of bottom cover assembly holes which are axially arranged are uniformly distributed on the annular platform surface of the bottom cover assembly platform 113; the bottom cover assembling table 113 and the top cover assembling table 111 are symmetrical structures.
The holder bottom cover 12 is of a disc-shaped structure, the middle of the holder bottom cover 12 is provided with a circular bottom cover through hole 121, the holder bottom cover 12 is evenly provided with a plurality of bottom cover mounting holes 122 along the axial end face, the bottom cover mounting holes 122 correspond to bottom cover mounting holes in the bottom cover mounting platform 113 in a matched manner, and the holder bottom cover 12 is fixedly mounted on the bottom cover mounting platform 113 of the holder body 11 through the bottom cover mounting holes 122 and the bottom cover mounting holes and then provided with a plurality of bottom cover fastening bolts 123. The bottom cover 12 of the gripper is connected with the bottom cover assembly platform 113 of the gripper body 11 by a right-angle surface.
The holder top cover 13 is of a disc-shaped structure, the middle part of the holder top cover 13 is provided with a circular top cover through hole 131, the holder top cover 13 is uniformly provided with a plurality of top cover mounting holes 132 along the axial end surface of the holder top cover 13, the top cover mounting holes 132 are matched and corresponding to the top cover assembling holes 112 on the top cover assembling table 111, and the holder top cover 13 is fixedly assembled on the top cover assembling table 111 of the holder body 11 through the top cover mounting holes 132 and the top cover assembling holes 112 and a plurality of top cover fastening bolts 133; wherein, the top surface of the top cover 13 of the clamper is also provided with a flange 14 in the upper port area of the through hole 131 of the top cover through a fastener 134; the flange 14 has a plurality of through holes 141 formed therethrough along an axial end surface. The top cover 13 of the gripper is connected with the top cover assembling table 111 of the gripper body 11 by a right-angled surface.
The model rubber sleeve assembly 2 is arranged in the model holder 1 in a matching way and comprises a rubber sleeve upper fixing frame 21, a rubber sleeve lower fixing frame 22, a model rubber sleeve 23, a rubber sleeve top cover 24, a model pressure measuring point 25 and an experimental rock core arranged in the model rubber sleeve 23; the highest bearing pressure of the model rubber sleeve assembly 2 is 30 MPa.
The model rubber sleeve 23 is arranged inside the holder body 11; the rubber sleeve top cover 24 is arranged on the top end face of the model rubber sleeve 23 in a matching mode, a plurality of lead-out holes are formed in the middle area, the rubber sleeve upper fixing frame 21 is overlapped on the top end face of the rubber sleeve top cover 24 in a matching mode, and upper fixing assembling holes are formed in the circumferential side edge of the rubber sleeve upper fixing frame; the rubber sleeve lower fixing frame 22 is matched and superposed on the bottom end surface of the model rubber sleeve 23, and the circumferential side edge is provided with a lower fixing frame assembling hole 221; wherein, the upper rubber sleeve fixing frame 21 and the lower rubber sleeve fixing frame 22 are connected through the matching of the fixing rod 26 with the upper fixing assembly hole and the lower fixing frame assembly hole 221, so as to tightly press and fix the rubber sleeve top cover 24 on the top end surface of the model rubber sleeve 23; an electrode is embedded in the experimental rock core and is led out from a leading-out hole of a rubber sleeve top cover 24 at the top of the model rubber sleeve 23.
The number of the model pressure measuring points 25 is 32, and the model pressure measuring points are led out from the side, the top and the bottom of the model rubber sleeve 23, wherein 18 model pressure measuring points 25 are led out from the side of the model rubber sleeve 23, 13 model pressure measuring points 25 are led out from the top of the model rubber sleeve 23, and 1 model pressure measuring point 25 is led out from the bottom of the model rubber sleeve 23.
Three layers of electrodes are embedded in the experimental rock core in the model rubber sleeve 23, and each layer is provided with 13 groups of electrodes, so that the total number of 39 groups of electrodes are arranged in the experimental rock core in the model rubber sleeve 23; meanwhile, the electrode is led out from the rubber sleeve top cover 24 at the top of the model rubber sleeve 23, and then is led out from the top of the model holder 1, and the pressure sensor and the saturation collecting device are configured at the leading-out end, so that the electrode can be used for collecting the pressure and the saturation of each layer inside the experimental rock core.
The installation principle of the multifunctional three-dimensional flow simulation closing device of the invention is as follows:
the interior of the model holder 1 adopts an integral structure, all model pressure measuring points 25 are arranged outside the model rubber sleeve 23, and are arranged in the model holder 1 together with the model rubber sleeve 23 after being arranged, so that the model rubber sleeve 23 is convenient to disassemble and assemble, and the model pressure measuring points 25 are convenient to replace; the model rubber sleeve 23 is supported by a rubber sleeve top cover 24, and the rubber sleeve top cover 24 can also help the model rubber sleeve 23 to be pre-sealed; all model pressure measuring points 25 are all led out from the top of the model holder 1, the led-out lines at the top of the model holder 1 are arranged according to the distribution of the internal model pressure measuring points 25, so that the positions of the model pressure measuring points 25 are clear at the top of the model holder 1, the appearance of the model holder 1 is cylindrical, and the model holder is sealed by the holder bottom cover 12 and the holder top cover 13, so that the model rubber sleeve 23 can be directly taken out after the holder 1 is opened, the model pressure measuring points 25 on the upper surface of the model rubber sleeve 23 are distributed, all the model pressure measuring points 25 can be directly led out by pipelines, and the model rubber sleeve is to be placed inside the model rubber sleeve 23.
The invention has simple and reasonable structural design, can effectively simulate the stratum condition, simultaneously apply confining pressure and back pressure, realize the acquisition of a pressure field and a saturation field under the high-temperature and high-pressure condition, realize the simultaneous acquisition and monitoring of the multi-well liquid production quantity, and carry out the flow field change test, the oil displacement efficiency research and the like of injection-production wells and injection-production well groups of different physical models under the high-temperature and high-pressure condition.
Claims (7)
1. A multifunctional three-dimensional flow simulation closing device is characterized in that: the simulated closing device comprises a model holder and a model rubber sleeve assembly which is arranged in the model holder in a matched mode;
the model holder comprises a holder body, a holder bottom cover and a holder top cover, wherein the holder bottom cover is detachably assembled at the bottom end of the holder body;
the model rubber sleeve assembly comprises a rubber sleeve upper fixing frame, a rubber sleeve lower fixing frame, a model rubber sleeve, a rubber sleeve top cover, a model pressure measuring point and an experimental rock core positioned in the model rubber sleeve; the model rubber sleeve is arranged in the holder body, and a rubber sleeve top cover is arranged on the top end face of the model rubber sleeve in a matching mode; the upper fixing frame of the rubber sleeve is overlapped on the top end surface of the top cover of the rubber sleeve in a matching manner; the lower rubber sleeve fixing frame is overlapped on the bottom end face of the model rubber sleeve in a matching manner; the upper rubber sleeve fixing frame and the lower rubber sleeve fixing frame are fixedly connected in a matching manner through a fastener, so that the rubber sleeve top cover is tightly pressed and fixed on the top end face of the model rubber sleeve; an electrode is embedded in the experimental rock core;
the model pressure measuring points are led out from the side, the top and the bottom of the model rubber sleeve; the electrodes are led out from the top of the rubber sleeve top cover and the top of the model holder in sequence, and the leading-out ends are provided with pressure sensors and saturation collecting devices for collecting the pressure and the saturation of each layer inside the experimental rock core;
the top end opening of the clamp holder body is uniformly protruded outwards along the circumference to form an annular top cover assembly table; top cover assembling holes which are axially arranged are uniformly distributed on the annular table top of the top cover assembling table;
the bottom port of the clamp holder body is uniformly bulged outwards along the circumference to form an annular bottom cover assembly table; bottom cover assembling holes which are axially formed are uniformly distributed on the annular table top of the bottom cover assembling table;
the top cover of the clamp holder is of a disc-shaped structure, and a circular top cover through hole is formed in the middle of the top cover; the top cover of the clamp holder is uniformly provided with top cover mounting holes along the axial end face of the top cover; the top cover mounting hole corresponds to the top cover assembly hole in a matching manner; the top cover of the clamp is fixedly assembled on the top cover assembly table through the top cover mounting hole and the top cover assembly hole and a top cover fastening bolt;
the top surface of the top cover of the clamp is also provided with a flange in a region corresponding to the upper port of the through hole of the top cover through a fastener in a matching way; the flange is provided with a plurality of through holes along the axial end face;
the model rubber sleeve is a square large-size rubber sleeve, the upper end of the model rubber sleeve is open, and the lower end of the model rubber sleeve is sealed; the model pressure measuring points are led out through the through holes in the flange plate and are distributed at the top according to the distribution of the internal model pressure measuring points.
2. The multi-functional three-dimensional flow simulation enclosure of claim 1, wherein: the bottom cover of the clamp holder is of a disc-shaped structure, and a circular bottom cover through hole is formed in the middle of the bottom cover; the bottom cover of the clamp holder is uniformly provided with bottom cover mounting holes along the axial end face of the bottom cover; the bottom cover mounting hole corresponds to the bottom cover assembling hole in a matching manner; the bottom cover of the clamp is fixedly assembled on the bottom cover assembly table through the bottom cover mounting hole and the bottom cover assembly hole and a bottom cover fastening bolt.
3. The multi-functional three-dimensional flow simulation enclosure of claim 2, wherein: the bottom cover of the clamp is connected with the bottom cover assembly table in a right-angle surface structure.
4. The multi-functional three-dimensional flow simulation enclosure of claim 3, wherein: the top cover of the clamp is connected with the top cover assembly table in a right-angle surface structure.
5. The multi-functional three-dimensional flow simulation enclosure of claim 1, wherein: the number of the model pressure measuring points is 32, 18 model pressure measuring points are led out from the side face of the model rubber sleeve, 13 model pressure measuring points are led out from the top of the model rubber sleeve, and 1 model pressure measuring point is led out from the bottom of the model rubber sleeve.
6. The multi-functional three-dimensional flow simulation enclosure of claim 1, wherein: three layers of the electrodes are embedded in the experimental rock core inside the model rubber sleeve, and each layer is provided with 13 groups of the electrodes, so that 39 groups of the electrodes are arranged in the experimental rock core inside the model rubber sleeve.
7. The multi-functional three-dimensional flow simulation enclosure of claim 1, wherein: the maximum bearing pressure of the model rubber sleeve assembly is 30Mpa, and the maximum bearing temperature is 200 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810481602.1A CN108708716B (en) | 2018-05-18 | 2018-05-18 | Multifunctional three-dimensional flow simulation closing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810481602.1A CN108708716B (en) | 2018-05-18 | 2018-05-18 | Multifunctional three-dimensional flow simulation closing device |
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| CN108708716A CN108708716A (en) | 2018-10-26 |
| CN108708716B true CN108708716B (en) | 2022-08-23 |
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| CN110219645B (en) * | 2019-07-16 | 2021-03-30 | 中国海洋石油集团有限公司 | Formation thermal boundary simulation system and method |
| CN111608621B (en) * | 2020-05-22 | 2021-06-22 | 中国石油大学(北京) | Carbon dioxide flooding multistage flow line injection-production simulation device and simulation method |
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| CN103195401A (en) * | 2013-04-01 | 2013-07-10 | 中国矿业大学 | Coal reservoir yield increasing transforming experiment device under stratum conditions |
| CN103556993A (en) * | 2013-11-07 | 2014-02-05 | 中国石油大学(北京) | Simulation experimental analog method for low permeability oilfield planar five-spot well pattern carbon dioxide flooding |
| CN103927913A (en) * | 2014-04-15 | 2014-07-16 | 吉林大学 | Deep stratum environment carbon dioxide geological sequestration simulation experiment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4599891A (en) * | 1984-06-07 | 1986-07-15 | Temco, Inc. | TCH--tri-axial core holder |
| FR2724460B1 (en) * | 1994-09-09 | 1997-01-17 | Inst Francais Du Petrole | PETROPHYSICAL MEASURING DEVICE AND METHOD OF IMPLEMENTING |
| FR2734364B1 (en) * | 1995-05-16 | 1997-07-04 | Elf Aquitaine | CELL FOR MEASURING THE PETROPHYSICAL AND PORO-MECHANICAL CHARACTERISTICS OF A ROCK SAMPLE |
| CN203509986U (en) * | 2013-09-10 | 2014-04-02 | 中国石油天然气股份有限公司 | Clamping device |
| US9903826B2 (en) * | 2014-09-17 | 2018-02-27 | Saudi Arabian Oil Company | Multi-objective core-flood test system for oil recovery evaluation |
| CN205844323U (en) * | 2016-06-13 | 2016-12-28 | 西南石油大学 | A kind of full diameter acidizing wormhole extension physical modeling's clamper |
| CN105973919B (en) * | 2016-07-28 | 2019-07-12 | 北京瑞莱博石油技术有限公司 | Core holding unit |
| CN206906372U (en) * | 2017-04-01 | 2018-01-19 | 西南石油大学 | A kind of new long rock core holder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195401A (en) * | 2013-04-01 | 2013-07-10 | 中国矿业大学 | Coal reservoir yield increasing transforming experiment device under stratum conditions |
| CN103556993A (en) * | 2013-11-07 | 2014-02-05 | 中国石油大学(北京) | Simulation experimental analog method for low permeability oilfield planar five-spot well pattern carbon dioxide flooding |
| CN103927913A (en) * | 2014-04-15 | 2014-07-16 | 吉林大学 | Deep stratum environment carbon dioxide geological sequestration simulation experiment system |
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