CN206609743U - Water drive gas reservoir water enchroachment (invasion) dynamic holdup loses experiment test system - Google Patents
Water drive gas reservoir water enchroachment (invasion) dynamic holdup loses experiment test system Download PDFInfo
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- CN206609743U CN206609743U CN201720352821.0U CN201720352821U CN206609743U CN 206609743 U CN206609743 U CN 206609743U CN 201720352821 U CN201720352821 U CN 201720352821U CN 206609743 U CN206609743 U CN 206609743U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000002474 experimental method Methods 0.000 title claims abstract description 19
- 230000009545 invasion Effects 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 72
- 239000011435 rock Substances 0.000 claims description 20
- 239000003381 stabilizer Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000008676 import Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 239000008398 formation water Substances 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- -1 booster pump Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004540 process dynamic Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a kind of water drive gas reservoir water enchroachment (invasion) dynamic holdup loss experiment test system, including insulating box, gas cylinder, constant speed and constant pressure pump, confined pressure pump and backpressure pump, core holding unit is provided with insulating box, the gas-liquid mouthful of entering of core holding unit is connected with first pressure table and inlet valve in turn, is connected with intake valve, second pressure table, voltage-stablizer, booster pump, gas cylinder control valve between inlet valve and gas cylinder in turn；It is connected with the 3rd pressure gauge, liquid feed valve, intermediate receptacle, Constant Pressure Pump Controlling valve between inlet valve and constant speed and constant pressure pump in turn；The 4th pressure gauge and confined pressure pump control valve are connected with turn between the confined pressure liquid import of core holding unit and confined pressure pump；The 5th pressure gauge, automatic back pressure valve, the 6th pressure gauge and back pressure pump control valve are connected with turn between the liquid outlet and backpressure pump of core holding unit.The utility model can be specified water enchroachment (invasion) dynamic holdup loss Dominated Factors, understood fully that water enchroachment (invasion) dynamic holdup loses changing rule with dynamic holdup damaed cordition during quantitative study water drive gas.
Description
Technical Field
The utility model relates to a gas reservoir technical field, more specifically relates to a dynamic reserve loss experiment test system is invaded to water drive gas reservoir water.
Background
For the gas reservoir with active bottom water, the water invasion of the gas reservoir is inevitable. During the development process of gas reservoir failure, water intrusion can form water seal gas in various forms, and dynamic reserve loss of the gas reservoir is caused. In order to quantitatively describe the dynamic reserve loss condition of the water-flooding gas reservoir in the failure development process, a rock core physical simulation experiment is developed, and a water-flooding gas reservoir water invasion dynamic reserve loss experiment testing system is urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention is to provide a water drive gas reservoir water invasion dynamic reserve loss experiment testing system to solve the problems of the background art.
The utility model provides a water drive gas reservoir water invades dynamic reserves loss experiment test system, including thermostated container, rock core holder, inlet valve, admission valve, stabiliser, booster pump, gas cylinder, intermediate container, feed liquor valve, constant speed constant pressure pump, enclosing pressure pump, automatic back pressure valve, back pressure pump control valve, gas cylinder control valve, enclosing pressure pump control valve and constant pressure pump control valve; the core holder is arranged in the incubator and comprises an air inlet, an air outlet and a confining pressure liquid inlet, the air inlet is connected with the inlet valve through a main pipeline, and a first pressure gauge is connected on the main pipeline between the air inlet and the inlet valve; the gas cylinder, the gas cylinder control valve, the booster pump, the pressure stabilizer, the gas inlet valve and the inlet valve are connected in sequence through a gas inlet pipeline, and a second pressure gauge is connected on the gas inlet pipeline between the gas inlet valve and the pressure stabilizer; the constant-speed constant-pressure pump, the constant-pressure pump control valve, the intermediate container, the liquid inlet valve and the inlet valve are connected in sequence through a liquid inlet pipeline, and a third pressure gauge is connected to the liquid inlet pipeline between the inlet valve and the liquid inlet valve; the confining pressure liquid inlet, the confining pressure pump control valve and the confining pressure pump are sequentially connected through a confining pressure liquid pipeline, and a fourth pressure gauge is connected on the confining pressure liquid pipeline between the confining pressure pump control valve and the confining pressure liquid inlet; connect liquid outlet, automatic back pressure valve, back pressure pump control valve and back pressure pump in proper order through the back pressure pipeline, and automatic back pressure valve includes feed liquor pipe, drain pipe and pressurization hole, and the liquid outlet passes through back pressure pipeline and is connected with the feed liquor pipe, and the pressurization hole passes through back pressure pipeline and is connected with back pressure pump control valve, is connected with the fifth manometer on the back pressure pipeline between liquid outlet and feed liquor pipe, is connected with the sixth manometer on the back pressure pipeline between pressurization hole and back pressure pump control valve.
In addition, the preferred structure is that the water drive gas reservoir water invades dynamic reserve loss experiment test system still includes metering device, and metering device passes through the drain pipe and is connected with the drain pipe.
In addition, the test system for the water invasion dynamic reserve loss experiment of the water drive gas reservoir preferably comprises an automatic control end, and the constant-speed constant-pressure pump, the confining pressure pump, the back-pressure pump and the metering device are respectively connected with the automatic control end.
Utilize the aforesaid to according to the utility model discloses a water drive gas reservoir water invades dynamic reserves loss experiment test system adopts water drive gas mode simulation gas reservoir water to invade the process, and the quantitative water of research drives the gas in-process dynamic reserves loss condition, makes clear clearly and definitely water and invades dynamic reserves loss main control factor, finds out the water and invades dynamic reserves loss change law, invades dynamic reserves for water and reuses mechanism and measure research and establishes the basis.
Drawings
Other objects and results of the invention will be more apparent and readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
fig. 1 is according to the utility model discloses a connection structure schematic diagram that dynamic reserve loss experiment test system was invaded to water drive gas reservoir water.
Wherein the reference numerals are: the device comprises a constant temperature box 1, a rock core holder 2, an inlet valve 3, a first pressure gauge 4, an air inlet valve 5, a pressure stabilizer 6, a booster pump 7, an air bottle control valve 8, an air bottle 9, a second pressure gauge 10, a liquid inlet valve 11, an intermediate container 12, a constant pressure pump control valve 13, a constant speed constant pressure pump 14, a third pressure gauge 15, a confining pressure pump control valve 16, a confining pressure pump 17, a fourth pressure gauge 18, an automatic back pressure valve 19, a back pressure pump control valve 20, a back pressure pump 21, a fifth pressure gauge 22, a sixth pressure gauge 23, a metering device 24 and an automatic control end 25.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 shows according to the utility model discloses a connection structure that dynamic reserve loss experiment test system is invaded to water drive gas reservoir water.
As shown in fig. 1, the utility model provides a dynamic reserve loss experiment test system is invaded to water drive gas reservoir water, include: the device comprises a thermostat 1, a rock core holder 2, an inlet valve 3, a first pressure gauge 4, an air inlet valve 5, a pressure stabilizer 6, a booster pump 7, an air bottle control valve 8, an air bottle 9, a second pressure gauge 10, a liquid inlet valve 11, an intermediate container 12, a constant pressure pump control valve 13, a constant speed constant pressure pump 14, a third pressure gauge 15, a confining pressure pump control valve 16, a confining pressure pump 17, a fourth pressure gauge 18, an automatic back pressure valve 19, a back pressure pump control valve 20, a back pressure pump 21, a fifth pressure gauge 22, a sixth pressure gauge 23, a metering device 24 and an automatic control end 25; the core holder 2 is arranged in the incubator 1, a core sample to be tested is arranged in the core holder 2, the core holder 2 comprises an air inlet, a liquid outlet and a confining pressure liquid inlet, the air inlet of the core holder 2 is connected with an inlet valve 3 through a main pipeline, the inlet valve 3 is used for controlling the opening or closing of the main pipeline to realize air inlet or liquid inlet of the air inlet of the core holder 2, a first pressure gauge 4 is connected on the main pipeline between the air inlet and the inlet valve 3, and the first pressure gauge 4 is used for monitoring the pressure of the air inlet and liquid outlet of the core holder 2; the gas cylinder 9, the gas cylinder control valve 8, the booster pump 7, the pressure stabilizer 6, the gas inlet valve 5 and the inlet valve 3 are sequentially connected through a gas inlet pipeline, the gas inlet valve 5 is used for controlling the opening or closing of the gas inlet pipeline to realize gas inlet control of a gas inlet liquid port of the core holder 2, the gas cylinder control valve 8 is used for controlling the gas cylinder 9, a second pressure gauge 10 is connected to the gas inlet pipeline between the gas inlet valve 5 and the pressure stabilizer 6, and the second pressure gauge 10 is used for monitoring the pressure of the gas inlet pipeline; the constant-speed constant-pressure pump 14, the constant-pressure pump control valve 13, the intermediate container 12, the liquid inlet valve 11 and the inlet valve 3 are sequentially connected through a liquid inlet pipeline, the constant-pressure pump control valve 13 is used for controlling the constant-speed constant-pressure pump 14, the intermediate container 12 is used for storing water, the liquid inlet valve 11 is used for controlling the opening or closing of the liquid inlet pipeline to realize liquid inlet control of a liquid inlet of the core holder 2, a third pressure gauge 15 is arranged on the liquid inlet pipeline between the inlet valve 3 and the liquid inlet valve 11, and the third pressure gauge 15 is used for monitoring the pressure of the liquid inlet pipeline; the confining pressure liquid inlet of the core holder 2, the confining pressure pump control valve 16 and the confining pressure pump 17 are sequentially connected through a confining pressure liquid pipeline, the confining pressure pump control valve 16 is used for controlling the confining pressure pump 17, a fourth pressure gauge 18 is connected to the confining pressure liquid pipeline between the confining pressure pump control valve 16 and the confining pressure liquid inlet, and the fourth pressure gauge 18 is used for monitoring the pressure at the confining pressure liquid inlet of the core holder 2; the automatic back pressure valve 19 comprises a liquid inlet pipe, a liquid outlet pipe and a pressurizing hole, the liquid inlet pipe is connected with a liquid outlet of the core holder 2 through a back pressure pipeline, the pressurizing hole is connected with one end of the back pressure pump control valve 20 through a back pressure pipeline, the other end of the back pressure pump control valve 20 is connected with the back pressure pump 21 through a back pressure pipeline, the back pressure pump control valve 20 is used for achieving the back pump function of the back pressure pump 21 and can also play a role of a safety valve, a fifth pressure gauge 22 is connected to the back pressure pipeline between the liquid outlet of the core holder 2 and the liquid inlet pipe of the automatic back pressure valve 19, the fifth pressure gauge 22 is used for monitoring the pressure of the liquid outlet of the core holder 2, a sixth pressure gauge 23 is connected to the back pressure pipeline between the pressurizing hole of the automatic back pressure valve 19 and the back pressure pump control valve 20, and the sixth pressure gauge 23 is.
In order to weigh the water yield of the core sample, the liquid outlet pipe of the automatic back-pressure valve 19 is connected with a metering device 24, and the metering device 24 is used for weighing the water yield of the core sample.
The utility model discloses a manual regulation or automatically regulated realize the constant voltage of 2 gas inlets liquid mouth departments of rock core holder and liquid mouth department, the constant voltage of 2 gas inlets liquid mouth departments of rock core holder and liquid mouth department is realized to the mode that preferably adopts automatically regulated, consequently, the utility model provides a water drive gas reservoir water invades dynamic reserves loss experiment test system still includes an automatic control end 25, and constant speed constant-pressure pump 14, confined pressure pump 17, return-pressure pump 21 and metering device 24 are connected with automatic control end 25 respectively, realize automatically regulated control to constant speed constant-pressure pump 14, confined pressure pump 17, return-pressure pump 21 and metering device 24 respectively through automatic control end 25.
The content has been explained in detail above the utility model provides a water drive gas reservoir water invades dynamic reserves loss experiment test system connection structure, combines water drive gas reservoir water to invade dynamic reserves loss experiment test system below and explains the water invasion dynamic reserves loss experimental process.
A water cut dynamic reserve loss experimental process comprising:
step 1: core sample preparation
Measurement of core sample size: and measuring the length and the diameter of the core sample by using a vernier caliper (the precision is 0.02mm), measuring different positions of the core sample by three times, and calculating the average value of the length and the diameter of the core sample.
Drying the core sample: and drying the rock sample by adopting a vacuum oven at the temperature of 90 ℃ for more than 4h, and standing and cooling the rock sample in the vacuum oven after drying.
Thirdly, weighing the core sample: the core sample mass was weighed using an electronic balance (accuracy 0.001 g).
Measuring the porosity of the core sample: and measuring the pore volume of the core sample by adopting a vacuumizing saturated formation water method, and calculating the porosity of the core sample according to a porosity calculation formula.
Measuring the absolute permeability of the core sample: and (3) measuring the flow of the core sample under different displacement differential pressures by adopting a liquid measurement method, and calculating the absolute permeability of the core sample according to a Darcy formula.
Step 2: displacement differential pressure design
According to the actual production condition of a gas field and the principle of equivalent flow velocity in the seepage process, 10 groups of displacement differential pressures of core samples with different permeability levels in a water-flooding gas experiment are determined by combining the pressure precision (pressure precision 0.01MPa) of a water-flooding gas reservoir water invasion dynamic reserve loss experiment testing system, and a water-flooding gas displacement differential pressure table is drawn.
And step 3: core bound water establishment
Cleaning a core sample: and cleaning salt in the core sample by using a core sample cleaner.
Drying the core sample: and drying the rock core sample by adopting a vacuum oven, wherein the oven temperature is 90 ℃, the drying time is more than 4h, and after the rock sample is dried, standing and cooling in the vacuum oven.
Saturated formation water: and (3) adopting a vacuum pumping method to saturate the formation water of the core sample, and weighing the quality of the rock sample in a saturated formation water state.
Setting experimental conditions: the rock core sample in a saturated formation water state is loaded into the rock core holder 2, then the confining pressure pump control valve 16 is opened, the confining pressure of the rock core holder 2 is slowly increased to the gas reservoir pressure through the confining pressure pump 17, and the temperature of the constant temperature box 1 is stabilized to the gas reservoir temperature.
Establishing back pressure: and opening the inlet valve 3, the liquid inlet valve 11 and the constant-speed constant-pressure pump 14, setting the pressure of the automatic back-pressure valve 19 to be lower than the confining pressure of the core holder 2 by 2MPa until the pressure at the liquid inlet and the pressure at the liquid outlet of the core holder 2 are equal and stable, and closing the inlet valve 3, the liquid inlet valve 11 and the constant-pressure constant-speed pump 14.
Sixthly, gas flooding: and opening the air inlet valve 5 and the inlet valve 3, adjusting the back pressure (in order to avoid that the water in the rock core sample is carried out by the air flow due to overlarge air flow speed, so that the saturation error of the bound water is large, and small differential pressure displacement is needed) after the pressure of the air inlet and liquid outlet of the rock core holder 2 is equal to the back pressure, performing air displacement on the water until the rock core sample does not flow out, establishing the bound water, weighing the mass of the rock core sample in a bound water state, and calculating the saturation of the bound water.
And 4, step 4: water cut process simulation
Setting experimental conditions: and (3) loading the core sample in a water-bound state into the core holder, then opening a confining pressure pump control valve 16, slowly increasing the confining pressure of the core holder 2 to the gas reservoir pressure through a confining pressure pump 17, and stabilizing the temperature of the constant temperature box 1 to the gas reservoir temperature.
Establishing back pressure: and opening the inlet valve 3, the air inlet valve 5 and the booster pump 7, setting the pressure of the automatic back-pressure valve 19 to be lower than the confining pressure of the core holder 2 by 2MPa until the pressure at the air inlet and the air outlet of the core holder 2 is equal and stable, and closing the inlet valve 3, the air inlet valve 5 and the booster pump 7.
Setting a displacement pressure difference: and opening the constant-speed constant-pressure pump 14 to increase the pressure of the intermediate container 12 to the pressure of the gas inlet and liquid outlet of the rock core holder 2, then opening the liquid inlet valve 11 and the inlet valve 3, reducing the back pressure according to a water displacement pressure difference meter, and establishing a displacement pressure difference.
Driving gas with water: simulating the water invasion process until the gas is not generated at the liquid outlet of the core holder 2, weighing the mass of the core sample after water gas displacement after the displacement is finished, and calculating the dynamic storage loss rate under the displacement pressure difference.
And 5: the next set of displacement differential pressure tests were conducted
And (4) repeating the experimental steps of the step (3) and the step (4) until 10 groups of water-flooding gas displacement pressure difference experimental tests are completed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A water drive gas reservoir water invasion dynamic reserve loss experiment test system is characterized by comprising a thermostat, a rock core holder, an inlet valve, an air inlet valve, a voltage stabilizer, a booster pump, an air cylinder, an intermediate container, a liquid inlet valve, a constant-speed constant-pressure pump, a confining pressure pump, an automatic back-pressure valve, a back-pressure pump control valve, an air cylinder control valve, a confining pressure pump control valve and a constant-pressure pump control valve; wherein,
the core holder is arranged in the incubator and comprises an air inlet, a liquid outlet and a confining pressure liquid inlet, the air inlet is connected with the inlet valve through a main pipeline, and a first pressure gauge is connected on the main pipeline between the air inlet and the inlet valve;
the gas cylinder, the gas cylinder control valve, the booster pump, the pressure stabilizer, the gas inlet valve and the inlet valve are connected in sequence through a gas inlet pipeline, and a second pressure gauge is connected on the gas inlet pipeline between the gas inlet valve and the pressure stabilizer;
the constant-speed constant-pressure pump, the constant-pressure pump control valve, the intermediate container, the liquid inlet valve and the inlet valve are sequentially connected through a liquid inlet pipeline, and a third pressure gauge is connected to the liquid inlet pipeline between the inlet valve and the liquid inlet valve;
the confining pressure liquid inlet, the confining pressure pump control valve and the confining pressure pump are sequentially connected through a confining pressure liquid pipeline, and a fourth pressure gauge is connected to the confining pressure liquid pipeline between the confining pressure pump control valve and the confining pressure liquid inlet;
will in proper order through the back pressure pipeline the liquid outlet automatic back pressure valve the back pressure pump control valve with the back pressure pump is connected, automatic back pressure valve includes feed liquor pipe, drain pipe and pressurization hole, the liquid outlet passes through the back pressure pipeline with the feed liquor union coupling, the pressurization hole passes through the back pressure pipeline with the back pressure pump control valve is connected the liquid outlet with be connected with the fifth manometer on the back pressure pipeline between the feed liquor pipe the pressurization hole with be connected with the sixth manometer on the back pressure pipeline between the back pressure pump control valve.
2. The experimental water drive gas reservoir water invasion dynamic reserve loss testing system of claim 1, further comprising a metering device connected with the outlet pipe through an outlet pipe.
3. The water drive gas reservoir water invasion dynamic reserve loss experimental testing system of claim 2, further comprising an automatic control end, wherein the constant speed constant pressure pump, the confining pressure pump, the back pressure pump and the metering device are respectively connected with the automatic control end.
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| CN201720352821.0U CN206609743U (en) | 2017-04-06 | 2017-04-06 | Water drive gas reservoir water enchroachment (invasion) dynamic holdup loses experiment test system |
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| CN201720352821.0U CN206609743U (en) | 2017-04-06 | 2017-04-06 | Water drive gas reservoir water enchroachment (invasion) dynamic holdup loses experiment test system |
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Cited By (11)
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| CN109519156A (en) * | 2018-11-01 | 2019-03-26 | 中海石油(中国)有限公司上海分公司 | A kind of side water sand rock gas reservoir water drive section model Seepage Experiment method |
| CN109632557A (en) * | 2019-01-22 | 2019-04-16 | 中国矿业大学 | A kind of gas-liquid two-phase saturation coal petrography sample experimental provision and saturation degree test method |
| CN109856030A (en) * | 2019-02-15 | 2019-06-07 | 中国石油大学(北京) | The determination method of imbibition experimental provision and imbibition recovery percent of reserves |
| CN109916799A (en) * | 2019-03-22 | 2019-06-21 | 西南石油大学 | Measure the experimental method of the spontaneous Imbibition Relative Permeability of unconventional tight gas reservoir |
| CN110658100A (en) * | 2019-10-12 | 2020-01-07 | 重庆科技学院 | Gas phase threshold pressure gradient experimental test system and method and data processing method |
| CN111021976A (en) * | 2019-12-27 | 2020-04-17 | 西南石油大学 | Low-permeability water-invasion gas reservoir failure development high-temperature high-pressure physical simulation experiment device and method |
| CN111720110A (en) * | 2020-06-30 | 2020-09-29 | 重庆科技学院 | Pressure automatic tracking control gas well production simulation yield control device and method |
| CN111855522A (en) * | 2019-04-26 | 2020-10-30 | 中国石油天然气股份有限公司 | Rock core holder, high-temperature and high-pressure rock core spontaneous imbibition experimental device and method |
| CN113109546A (en) * | 2021-04-20 | 2021-07-13 | 西南石油大学 | Experimental device and method for predicting drying salt deposition range of reservoir of underground gas storage |
| CN113834762A (en) * | 2020-06-24 | 2021-12-24 | 中国石油化工股份有限公司 | Method and system for measuring gas-water relative permeability curve |
| CN116752948A (en) * | 2023-06-16 | 2023-09-15 | 重庆科技学院 | Water invasion dynamic analysis method for strong water flooding gas reservoir |
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- 2017-04-06 CN CN201720352821.0U patent/CN206609743U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519156A (en) * | 2018-11-01 | 2019-03-26 | 中海石油(中国)有限公司上海分公司 | A kind of side water sand rock gas reservoir water drive section model Seepage Experiment method |
| CN109519156B (en) * | 2018-11-01 | 2020-10-02 | 中海石油(中国)有限公司上海分公司 | Seepage experiment method for side water sandstone gas reservoir water drive profile model |
| CN109632557A (en) * | 2019-01-22 | 2019-04-16 | 中国矿业大学 | A kind of gas-liquid two-phase saturation coal petrography sample experimental provision and saturation degree test method |
| CN109632557B (en) * | 2019-01-22 | 2021-11-16 | 中国矿业大学 | Gas-liquid two-phase saturated coal rock sample experimental device and saturation testing method |
| CN109856030A (en) * | 2019-02-15 | 2019-06-07 | 中国石油大学(北京) | The determination method of imbibition experimental provision and imbibition recovery percent of reserves |
| CN109856030B (en) * | 2019-02-15 | 2024-05-24 | 中国石油大学(北京) | Imbibition experimental device and method for determining imbibition extraction degree |
| CN109916799A (en) * | 2019-03-22 | 2019-06-21 | 西南石油大学 | Measure the experimental method of the spontaneous Imbibition Relative Permeability of unconventional tight gas reservoir |
| CN109916799B (en) * | 2019-03-22 | 2021-04-20 | 西南石油大学 | Experimental method for measuring unconventional dense gas reservoir spontaneous imbibition relative permeability |
| CN111855522A (en) * | 2019-04-26 | 2020-10-30 | 中国石油天然气股份有限公司 | Rock core holder, high-temperature and high-pressure rock core spontaneous imbibition experimental device and method |
| CN111855522B (en) * | 2019-04-26 | 2023-07-25 | 中国石油天然气股份有限公司 | Core holder, high-temperature high-pressure core spontaneous imbibition experimental device and method |
| CN110658100B (en) * | 2019-10-12 | 2022-04-05 | 重庆科技学院 | Gas phase threshold pressure gradient experimental test system and method and data processing method |
| CN110658100A (en) * | 2019-10-12 | 2020-01-07 | 重庆科技学院 | Gas phase threshold pressure gradient experimental test system and method and data processing method |
| CN111021976A (en) * | 2019-12-27 | 2020-04-17 | 西南石油大学 | Low-permeability water-invasion gas reservoir failure development high-temperature high-pressure physical simulation experiment device and method |
| CN111021976B (en) * | 2019-12-27 | 2022-02-01 | 西南石油大学 | High-temperature high-pressure physical simulation experiment method for development of low-permeability water-gas invasion reservoir failure |
| CN113834762A (en) * | 2020-06-24 | 2021-12-24 | 中国石油化工股份有限公司 | Method and system for measuring gas-water relative permeability curve |
| CN111720110A (en) * | 2020-06-30 | 2020-09-29 | 重庆科技学院 | Pressure automatic tracking control gas well production simulation yield control device and method |
| CN113109546B (en) * | 2021-04-20 | 2022-02-08 | 西南石油大学 | Experimental device and method for predicting drying salt deposition range of reservoir of underground gas storage |
| CN113109546A (en) * | 2021-04-20 | 2021-07-13 | 西南石油大学 | Experimental device and method for predicting drying salt deposition range of reservoir of underground gas storage |
| CN116752948A (en) * | 2023-06-16 | 2023-09-15 | 重庆科技学院 | Water invasion dynamic analysis method for strong water flooding gas reservoir |
| CN116752948B (en) * | 2023-06-16 | 2023-12-29 | 重庆科技学院 | Water invasion dynamic analysis method for strong water flooding gas reservoir |
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