CN115266528A - Low-permeability reservoir energy storage and permeability increase indoor experiment simulation device - Google Patents
Low-permeability reservoir energy storage and permeability increase indoor experiment simulation device Download PDFInfo
- Publication number
- CN115266528A CN115266528A CN202210895933.6A CN202210895933A CN115266528A CN 115266528 A CN115266528 A CN 115266528A CN 202210895933 A CN202210895933 A CN 202210895933A CN 115266528 A CN115266528 A CN 115266528A
- Authority
- CN
- China
- Prior art keywords
- way valve
- energy storage
- permeability
- same structure
- simulation device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000035699 permeability Effects 0.000 title claims abstract description 22
- 238000004146 energy storage Methods 0.000 title claims abstract description 21
- 238000004088 simulation Methods 0.000 title claims abstract description 17
- 238000002474 experimental method Methods 0.000 title claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000006073 displacement reaction Methods 0.000 claims description 24
- 239000011435 rock Substances 0.000 claims description 21
- 239000011159 matrix material Substances 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000003028 elevating effect Effects 0.000 claims description 3
- 238000001764 infiltration Methods 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 description 20
- 239000007924 injection Substances 0.000 description 20
- 238000002791 soaking Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of indoor experimental simulation of low permeability oil reservoir energy storage and permeability increase, in particular to an indoor experimental simulation device of low permeability oil reservoir energy storage and permeability increase.
Description
Technical Field
The invention relates to the technical field of indoor experimental simulation of low-permeability reservoir energy storage and permeability increase, in particular to an indoor experimental simulation device of low-permeability reservoir energy storage and permeability increase.
Background
The energy storage and permeation increase is to reduce the investment of water injection stations or skid-mounted stations, water injection pipelines and wellhead equipment by injecting water with large liquid amount once or several times, and has the advantage of lower cost. The method is suitable for areas without water injection and difficult in water injection, the purpose of oil increase is achieved mainly through double functions of seepage and displacement, a water-wet reservoir is needed, and a high-seepage channel is not formed between wells.
Most of the existing indoor experimental simulation devices for low-permeability reservoir energy storage and permeability increase cannot simultaneously meet the problem that the injection amount, the injection speed, the pressure level, the soaking time and the exploitation opportunity cannot be optimized due to the fact that quantitative simulation of parameters such as water injection speed, pressure, soaking time and oil displacement efficiency in an energy storage and permeability increase test is achieved.
Disclosure of Invention
The invention aims to provide an indoor experimental simulation device for low-permeability reservoir energy storage and permeability enhancement, which aims to solve the problems in the background technology.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a low permeability oil reservoir energy storage increases indoor experiment analogue means who oozes, includes the workstation, the bottom below of workstation is equipped with elevating system, the top central point of workstation puts the fixed six-way valve that is provided with, the one end of six-way valve is equipped with water supply mechanism, the one end that water supply mechanism was kept away from to the six-way valve is equipped with the manometer, other four ends are all fixed to overlap on the six-way valve and are provided with the second pipeline that the structure is the same, four the one end that the six-way valve was kept away from to the second pipeline all fixes the centre gripping case that is provided with the structure is the same, four centre gripping incasement respectively fixed be provided with two matrix rock cores and two standard rock cores, two matrix rock core and two standard rock core is the interval setting, two all be provided with the crack that the structure is the same on the standard rock core, the top of workstation is equipped with data logging mechanism.
Preferably, the water supply mechanism includes water tank and displacement pump, the one end that the manometer was kept away from to the six-way valve is provided with the water tank through the pipe connection, the fixed displacement pump that is provided with in top of workstation, the output of displacement pump and the one side that the six-way valve was kept away from to the water tank are to run through the intercommunication setting.
Preferably, the data recording mechanism comprises a pressure sensor, a meter and a pressure gauge, the pressure sensor, the meter and the pressure gauge are located at the same side, two third pipelines with the same structure are fixedly arranged on one side, close to the clamping box, four third pipelines with the same side, the pressure sensor is fixedly arranged at one end, far away from the six-way valve, of each third pipeline, the four meter with the same structure is arranged at one end, far away from the six-way valve, of each clamping box through pipeline connection, the pressure gauge with the same structure is fixedly arranged on the side walls of the four clamping boxes, and the pressure gauge, the meter and the pressure sensor are connected with the computer host through cables.
Preferably, the four clamping boxes are respectively provided with a second valve with the same structure on a pipeline between the clamping box and the adjacent meter, the second valves with the same structure are fixedly sleeved on the second pipelines between the six-way valve and the four clamping boxes, the four clamping boxes are mutually communicated through a first pipeline, and the first pipeline between every two clamping boxes is respectively and fixedly sleeved with a first valve and a flowmeter with the same structure.
Preferably, the pressure sensors are respectively connected to 3/4 and 1/4 of the matrix core and the standard core through third pipelines.
Preferably, elevating system includes supporting leg and lift cylinder, the bottom four corners below of workstation all is equipped with the supporting leg that the structure is the same, four the top inner wall of supporting leg all fixes and is provided with the lift cylinder that the structure is the same, four the top of the output shaft of lift cylinder is fixed connection setting with the bottom four corners of workstation respectively.
The invention has the beneficial effects that:
according to the invention, through the linkage arrangement of the water supply mechanism and the data recording mechanism, four clamping boxes which are provided with standard rock cores with cracks and matrix rock cores are connected, the distribution and the direction of the reservoir cracks and the matrix can be effectively simulated, the injection speed can be effectively simulated by controlling the speed of the displacement pump, the soaking time and the well opening time are controlled by the first valve and the second valve, the flowing direction of fluid is recorded by the flowmeter, the injection pressure and the soaking pressure can be controlled by the pressure sensor and the displacement pump, the pressure change condition inside the rock cores in the soaking and displacement processes can be recorded by the pressure sensor, the flow condition of the fluid among the four groups of rock cores can be recorded by the flowmeter, the displacement pump, the first valve and the second valve can be controlled to be used for simulating the early-stage indoor simulation of energy storage and infiltration implementation in an oil field, and the injection amount, the injection speed, the pressure level, the soaking time and the exploitation opportunity can be optimized.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top plan view of the present invention;
fig. 3 is a schematic top cross-sectional view of the present invention.
The reference numbers in the figures are as follows: 1. a work table; 2. supporting legs; 3. a lifting cylinder; 4. a displacement pump; 5. a flow meter; 6. a meter; 7. a pressure sensor; 8. a first conduit; 9. a first valve; 10. a clamping box; 11. a pressure gauge; 12. a second conduit; 13. a six-way valve; 14. a water tank; 15. a second valve; 16. a third pipeline; 17. a matrix core; 18. cracking; 19. a standard core.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, a hyposmosis oil reservoir energy storage increases indoor experiment analogue means who oozes, comprises a workbench 1, the bottom four corners below of workstation 1 all is equipped with the supporting leg 2 that the structure is the same, the top inner wall of four supporting legs 2 is all fixed and is provided with the lift cylinder 3 that the structure is the same, be fixed connection setting with the bottom four corners of workstation 1 respectively through the top with the output shaft of four lift cylinders 3, start four lift cylinders 3, lift cylinder 3 can drive the workstation and upwards or downstream, and then can drive analogue means and upwards or downstream, can realize highly adjusting analogue means according to staff's height demand, the staff's of being convenient for use.
As shown in fig. 1-3, a six-way valve 13 is fixedly disposed at a top center position of the workbench 1, a water supply mechanism is disposed at one end of the six-way valve 13, a pressure gauge 11 is disposed at one end of the six-way valve 13 away from the water supply mechanism, second pipelines 12 with the same structure are fixedly connected to other four ends of the six-way valve 13, clamping boxes 10 with the same structure are fixedly disposed at one ends of the four second pipelines 12 away from the six-way valve 13, two matrix cores 17 and two standard cores 19 are respectively and fixedly disposed in the four clamping boxes 10, the two matrix cores 17 and the two standard cores 19 are disposed at intervals, cracks 18 with the same structure are disposed on the two standard cores 19, two third pipelines 16 with the same structure are fixedly disposed on one side of the two clamping boxes 10 on the same side, the pressure sensor 7 is fixedly arranged at one end, away from the six-way valve 13, of each of the four third pipelines 16 on the same side, the pressure sensor 7 is fixedly arranged at one end, away from the six-way valve 13, of each of the four clamping boxes 10, the metering device 6 with the same structure is connected with a computer host through a pipeline, the four clamping boxes 10, provided with the standard rock cores 19 with the cracks 18, and the matrix rock cores 17 are connected with each other through the four clamping boxes 10, distribution and directions of the reservoir cracks and the matrix can be effectively simulated, water flooding is performed on the four clamping boxes 10 through the six-way valve 13 respectively, the pressure sensors 11 are used for recording confining pressure of the clamping boxes 10, the pressure sensor 7 is used for measuring pressure change of the rock cores, and the metering device 6 is used for metering fluid throughput between the two adjacent clamping boxes 10.
As shown in fig. 1-2, a water tank 14 is connected and arranged at one end of the six-way valve 13 far away from the pressure gauge 11 through a pipeline, a displacement pump 4 is fixedly arranged at the top of the workbench 1, the output end of the displacement pump 4 and one side of the water tank 14 far away from the six-way valve 13 are arranged in a penetrating and communicating manner, the displacement pump 4 is used for displacing the water tank 14, the injection water of the water tank 14 is respectively displaced into four clamping boxes 10 through the six-way valve 13 and can be used for simulating the injection speed by controlling the speed of the displacement pump 4, the pipelines between the four clamping boxes 10 and the adjacent gauges 6 are respectively provided with a second valve 15 with the same structure, the second valves 15 with the same structure are fixedly sleeved and arranged on the second pipelines 12 between the six-way valve 13 and the four clamping boxes 10, and the four clamping boxes 10 are mutually communicated through a first pipeline 8, A first pipeline 8 between every two clamping boxes 10 is respectively fixedly sleeved with a first valve 9 and a flowmeter 5 which are identical in structure, a pressure sensor 7 is respectively connected to 3/4 and 1/4 positions of a matrix core 17 and a standard core 19 through a third pipeline 16, the shut-in time and the open time are controlled through the first valve 9 and the second valve 15, the flowing direction of fluid is recorded through the flowmeter 5, the injection pressure and the shut-in pressure can be controlled through the pressure sensor 7 and the displacement pump 4, and the injection amount, the injection speed, the pressure level, the shut-in time and the mining opportunity can be optimized by controlling the displacement pump 4, the first valve 9 and the second valve 15.
The invention provides an indoor experimental simulation device for low permeability reservoir energy storage and permeability enhancement, which has the following working principle:
the four clamping boxes 10 which are provided with standard rock cores 19 with cracks 18 and matrix rock cores 17 are connected, the distribution and the direction of reservoir cracks and matrix can be effectively simulated, the displacement pump 4 is started, the injection speed can be effectively simulated by controlling the speed of the displacement pump 4, the soaking time and the well opening time are controlled by screwing the first valve 9 and the second valve 15, the flowing direction of fluid is recorded by the flowmeter 5, the injection pressure and the soaking pressure can be controlled by the pressure sensor 7 and the displacement pump 4, the pressure change condition inside the rock cores in the soaking and displacement processes is recorded by the pressure sensor 7, the flowing condition of the fluid among the four groups of rock cores can be recorded by the flowmeter 5, the early-stage indoor simulation of energy storage and infiltration implementation of an oil field can be simulated by controlling the switches of the displacement pump 4, the first valve 9 and the second valve 15, and the injection amount, the injection speed, the pressure level, the soaking time and the exploitation opportunity can be optimized.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (6)
1. The utility model provides an indoor experiment analogue means that hyposmosis oil reservoir energy storage increases infiltration, includes workstation (1), its characterized in that, the bottom below of workstation (1) is equipped with elevating system, the top central point of workstation (1) puts fixed six-way valve (13) that is provided with, the one end of six-way valve (13) is equipped with water supply mechanism, the one end that water supply mechanism was kept away from in six-way valve (13) is equipped with manometer (11), other four ends are all fixed cup joints and are provided with the second pipeline (12) that the structure is the same on six-way valve (13), four fixed two matrix rock cores (17) and two standard rock cores (19), two being provided with respectively in four centre gripping case (10) matrix rock core (17) and two standard rock core (19) are the interval and set up, two all be provided with the crack (18) that the structure is the same on standard rock core (19), the top of workstation (1) is equipped with data record mechanism.
2. The low-permeability reservoir energy storage and permeation enhancement indoor experiment simulation device is characterized in that the water supply mechanism comprises a water tank (14) and a displacement pump (4), one end, far away from a pressure gauge (11), of the six-way valve (13) is provided with the water tank (14) through pipeline connection, the displacement pump (4) is fixedly arranged at the top of the workbench (1), and the output end of the displacement pump (4) and one side, far away from the six-way valve (13), of the water tank (14) are arranged in a penetrating and communicating mode.
3. The low permeability reservoir energy storage and permeability enhancement indoor experiment simulation device according to claim 1, wherein the data recording mechanism comprises pressure sensors (7), gauges (6) and pressure gauges (11), two clamping boxes (10) on the same side are fixedly provided with two third pipelines (16) with the same structure on the close side, four third pipelines (16) on the same side are fixedly provided with pressure sensors (7) on the ends far away from the six-way valve (13), four gauges (6) with the same structure are arranged on the ends far away from the six-way valve (13) of the clamping boxes (10) through pipeline connection, the pressure gauges (11) with the same structure are fixedly arranged on the side walls of the four clamping boxes (10), and the pressure gauges (11), the gauges (6) and the pressure sensors (7) are all connected with a computer host through cables.
4. The low-permeability reservoir energy storage and permeability enhancement indoor experimental simulation device is characterized in that second valves (15) with the same structure are arranged on pipelines between the four clamping boxes (10) and an adjacent meter (6), the second valves (15) with the same structure are fixedly sleeved on second pipelines (12) between the six-way valve (13) and the four clamping boxes (10), the four clamping boxes (10) are communicated with each other through a first pipeline (8), and the first pipeline (8) between every two clamping boxes (10) is fixedly sleeved with a first valve (9) with the same structure and a flowmeter (5).
5. The low permeability reservoir energy storage and permeability increase indoor experimental simulation device is characterized in that the pressure sensor (7) is connected to 3/4 and 1/4 positions of the matrix core (17) and the standard core (19) through a third pipeline (16).
6. The low permeability reservoir energy storage and permeability enhancement indoor experiment simulation device according to claim 1, wherein the lifting mechanism comprises supporting legs (2) and lifting cylinders (3), the supporting legs (2) with the same structure are arranged below four corners of the bottom of the workbench (1), the lifting cylinders (3) with the same structure are fixedly arranged on the inner walls of the tops of the four supporting legs (2), and the top ends of output shafts of the four lifting cylinders (3) are respectively and fixedly connected with the four corners of the bottom of the workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210895933.6A CN115266528A (en) | 2022-07-27 | 2022-07-27 | Low-permeability reservoir energy storage and permeability increase indoor experiment simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210895933.6A CN115266528A (en) | 2022-07-27 | 2022-07-27 | Low-permeability reservoir energy storage and permeability increase indoor experiment simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115266528A true CN115266528A (en) | 2022-11-01 |
Family
ID=83771463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210895933.6A Pending CN115266528A (en) | 2022-07-27 | 2022-07-27 | Low-permeability reservoir energy storage and permeability increase indoor experiment simulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115266528A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053055A (en) * | 2010-12-03 | 2011-05-11 | 西南石油大学 | High-temperature high-pressure multifunctional core sulfur deposition test device and method |
| CN213986121U (en) * | 2020-12-29 | 2021-08-17 | 中国地质调查局发展研究中心 | Device for testing permeability of coal rock after carbon dioxide injection |
| CN214576942U (en) * | 2021-03-18 | 2021-11-02 | 延长油田股份有限公司 | Experimental device for simulating low-permeability reservoir energy storage and permeability increase |
| CN113740222A (en) * | 2020-05-27 | 2021-12-03 | 中国石油天然气股份有限公司 | Intelligent collection device and method for produced liquid |
| CN114482969A (en) * | 2022-04-14 | 2022-05-13 | 西南石油大学 | Experimental device for simulating stewing fracturing fluid flowback of multistage fracturing in unequal time |
| CN114645698A (en) * | 2022-05-19 | 2022-06-21 | 山东石油化工学院 | Low-permeability reservoir pressure flooding water injection physical simulation test system and method |
| CN117027760A (en) * | 2023-09-13 | 2023-11-10 | 西南石油大学 | Low-permeability oil reservoir energy storage permeability-increasing visual experiment simulation device and method |
-
2022
- 2022-07-27 CN CN202210895933.6A patent/CN115266528A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053055A (en) * | 2010-12-03 | 2011-05-11 | 西南石油大学 | High-temperature high-pressure multifunctional core sulfur deposition test device and method |
| CN113740222A (en) * | 2020-05-27 | 2021-12-03 | 中国石油天然气股份有限公司 | Intelligent collection device and method for produced liquid |
| CN213986121U (en) * | 2020-12-29 | 2021-08-17 | 中国地质调查局发展研究中心 | Device for testing permeability of coal rock after carbon dioxide injection |
| CN214576942U (en) * | 2021-03-18 | 2021-11-02 | 延长油田股份有限公司 | Experimental device for simulating low-permeability reservoir energy storage and permeability increase |
| CN114482969A (en) * | 2022-04-14 | 2022-05-13 | 西南石油大学 | Experimental device for simulating stewing fracturing fluid flowback of multistage fracturing in unequal time |
| CN114645698A (en) * | 2022-05-19 | 2022-06-21 | 山东石油化工学院 | Low-permeability reservoir pressure flooding water injection physical simulation test system and method |
| CN117027760A (en) * | 2023-09-13 | 2023-11-10 | 西南石油大学 | Low-permeability oil reservoir energy storage permeability-increasing visual experiment simulation device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103065538B (en) | Indoor drilling accident and well control technology simulation test device | |
| CN207194886U (en) | A kind of HTHP bottom and edge water huff and puff experimental provision | |
| CN100445741C (en) | Intelligent high-temperature high-voltage experimental instrument for dynamic leak stopping evaluation | |
| CN105973710A (en) | Complicated jointed rock mass hydraulic coupling field tri-axial testing system and method | |
| CN206339523U (en) | The experimental rig of concrete three-dimensional stress thermal chemical damage coupling | |
| CN202204661U (en) | Device for simulating pipeline water inrush grouting treatment model, and testing system with device | |
| CN105064958B (en) | Vertical polylinker band fishing net protection subsea manifold | |
| CN113586069A (en) | Indoor test device for simulating shield water-rich stratum synchronous grouting construction technology and using method thereof | |
| CN203420706U (en) | Variable-angle horizontal well simulation experiment device | |
| CN2849724Y (en) | Intelligent high temp. high pressure dynamic leaking stoppage evaluating tester | |
| CN111272629B (en) | Device for tunnel seepage erosion model test in sandy soil stratum | |
| CN205176021U (en) | Tunnelling simulation modeling experiment device | |
| CN103674593A (en) | Device and method for simulating waterflood test in fracturing vertical shaft of low-permeability reservoir | |
| CN208076285U (en) | A kind of test flume equipment of infiltration fracture grouting | |
| CN108717039B (en) | Critical test simulation equipment for permeation splitting grouting | |
| CN115266528A (en) | Low-permeability reservoir energy storage and permeability increase indoor experiment simulation device | |
| CN104196474A (en) | Pre-pouring air lift hole cleaning device of drilled grouting pile and hole cleaning method of pre-pouring air lift hole cleaning device | |
| CN204082057U (en) | Bored pile faces fills with front gaslift hole cleaning device | |
| CN109357953A (en) | A kind of rock core test device tested for three axis of high temperature and pressure and hydraulic fracturing | |
| CN207813597U (en) | The physical simulating device of crossflow in coal measure gas reservoir reconstruction | |
| CN112857737B (en) | Simulation test method for submersible complete well | |
| CN207007447U (en) | A kind of valve suppresses test device | |
| CN204462114U (en) | A kind of nitrogen fracturing coal seam energy variation and permeability proving installation | |
| CN115788578B (en) | Deep brine layer carbon dioxide buries and deposits leakage risk analogue means | |
| CN207051283U (en) | A kind of carbonate rock oil gas exploration excess oil and gap block analog study equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |