CN105510207A - Method for determining sensitivity of crack rock mass permeability in all directions to porosity - Google Patents
Method for determining sensitivity of crack rock mass permeability in all directions to porosity Download PDFInfo
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- CN105510207A CN105510207A CN201610064275.0A CN201610064275A CN105510207A CN 105510207 A CN105510207 A CN 105510207A CN 201610064275 A CN201610064275 A CN 201610064275A CN 105510207 A CN105510207 A CN 105510207A
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- 230000035699 permeability Effects 0.000 title claims abstract description 102
- 239000011435 rock Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000035945 sensitivity Effects 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 75
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- 238000010586 diagram Methods 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 4
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- 239000002994 raw material Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 8
- 239000011148 porous material Substances 0.000 description 5
- 230000035515 penetration Effects 0.000 description 4
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- 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
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Abstract
The invention discloses a method for determining the sensitivity of crack rock mass permeability in all directions to porosity. The method comprises the following steps: simulating an actual crack rock mass, and preparing similar materials forming different tilt angles with the horizontal direction; applying confining pressure to all of the tilt angle similar materials step by step, measuring permeability and porosity of each tilt angle similar material after confining pressure of each step is stabilized, and determining a functional relation between the permeability and the porosity of each tilt angle similar material; deriving all of the functional relations to obtain derived functions, wherein each derived function indicates the change rate of the permeability to the porosity of the similar material in the corresponding tilt angle direction; performing standardization on each derived function to obtain a variation of the unit permeability caused by the change of the unit porosity in the corresponding tilt angle direction, wherein the variation shows the sensitivity of the permeability to the change of the porosity in the corresponding tilt angle direction of the actual crack rock mass to be measured.
Description
Technical field
The present invention relates to a kind of method determining crack rock penetration property, be specifically related to a kind ofly determine that crack rock different directions permeability is to the method for factor of porosity sensitivity.
Background technology
Experienced by very long geology and become raw transformation effect and the raw evolution of table, compose be stored in rock mass inside in certain geology ambient stress all extensive development joint, bedding, contact zones, shear zone, the structural planes such as tomography, therefore the crack rock that the rock mass run in Practical Project is all made up of structural plane and intact rock mostly, because the penetration property of discontinuous structural plane to rock mass complicated in crack rock has control action, make the penetration property of crack rock than general homogeneous, continuously, the penetration property complexity of isotropic material is many, significant impact is had on engineering safety, therefore to its perviousness Quality Research, there is important theory value and engineering significance to crack rock pore texture.
The research done about the impact of pore texture on the seepage flow character of rock mass of crack rock is at present little, this generally includes many group cracks and rock mass volume is larger due to crack rock, by the restriction of field condition, testing equipment and testing expenses, the permeability and the factor of porosity that carry out in-situ test measurement crack rock are at the scene very difficult or even impossible, therefore can only be measured by the method for shop experiment.But the natural rock sample got by shop experiment sample size is usually only containing one group or do not comprise crack, fully can not reflect the impact of the pore texture of crack rock on the seepage flow character of rock mass, and crack rock has the polytrope of geometric properties, different rock cranny differs greatly, the test findings taking from the natural rock sample of part rock mass does not have adequate representation, and lack at present and effectively quantitatively determine that the pore texture of crack rock affects method to the seepage flow character of rock mass, but the permeability of the pore texture of crack rock on rock mass has appreciable impact, a small amount of change of factor of porosity can cause the significantly change of permeability, therefore quantitatively determine that crack rock different directions permeability is to the method for factor of porosity sensitivity in the urgent need to a kind of
Summary of the invention
Goal of the invention: the object of the invention is for problems of the prior art, provides a kind of and determines that crack rock different directions permeability is to the method for factor of porosity sensitivity.
Technical scheme: the present invention relates to and a kind ofly determine that crack rock different directions permeability is to the method for factor of porosity sensitivity, comprises the steps:
Step 1, simulates actual crack rock, and preparation and horizontal direction are the analog material of different angle;
Step 2, applies confined pressure step by step to each inclination angle analog material, measures permeability and the factor of porosity of each inclination angle analog material respectively, determine each permeability of inclination direction analog material and the functional relation of factor of porosity after every grade of confined pressure steady;
Step 3, to each functional relation differentiate, gained derived function represents that the permeability of counter-bevel direction analog material is to the rate of change of factor of porosity respectively;
Step 4, carries out standardization to each derived function, obtains the variable quantity that unit factor of porosity in counter-bevel direction changes the unit permeation rate caused, the sensitivity that the permeability that this variable quantity is actual crack rock counter-bevel direction to be measured changes factor of porosity.
Permeability is obtained on different angle direction to the rate of change of factor of porosity by method of the present invention, obtain unit factor of porosity on each inclination direction after standardization and change the unit permeation rate variable quantity caused, can the larger anisotropy of permeability rock mass different directions permeability of accurate characterization permeability contrast to the sensitivity of factor of porosity.
Concrete, in step 1, preparation and horizontal direction are that the method for the analog material of different angle comprises:
(1) according to form and the distribution in crack in the geometric shape of actual crack rock and this rock mass, the three-dimensional digital model of this crack rock is made;
(2) by this three-dimensional digital model input 3D printer, rotating this three-dimensional digital model, is the analog material of different angle for raw material prints with horizontal direction with the powder of actual crack rock.
Preferably, inclination angle is 0 °, 15 °, 30 °, 45 °, 60 °, 75 ° or 90 °.
Preferably, in step 2, choose arbitrary inclination angle analog material, represent the factor of porosity of all inclination angles analog material under this grade of confined pressure with this inclination angle analog material factor of porosity under every grade of confined pressure.Size due to different angle direction analog material factor of porosity and the Changing Pattern with confined pressure, close to consistent, therefore can measure the factor of porosity of a certain inclination angle analog material to represent the factor of porosity of analog material on all inclination directions.
In above-mentioned steps 2, according to the permeability of each inclination angle analog material recorded under every grade of confined pressure and factor of porosity, take factor of porosity as horizontal ordinate, permeability is ordinate, make the scatter diagram of each inclination direction factor of porosity and permeability, draw the functional relation the highest with each scatter diagram degree of fitting respectively by process of iteration, be the corresponding permeability of inclination direction analog material and the functional relation of factor of porosity.
In above-mentioned steps 2, apply the confined pressure of 3MPa, 8MPa, 15Mpa, 25MPa, 30MPa and 35MPa step by step.
In above-mentioned steps 4, the method for each derived function being carried out to standardization is: by the original permeability of the derived function of step 3 gained divided by counter-bevel direction analog material, and this original permeability is the permeability of the analog material recorded under initial confined pressure.
Beneficial effect: compared with prior art, remarkable advantage of the present invention is: (1) the present invention simulates actual crack rock by preparing analog material, in-situ test need not be carried out, can determine that anisotropy of permeability crack rock different directions permeability is to the sensitivity of factor of porosity, saves a large amount of material resources and financial resources by indoor model test; Simultaneously, quantitatively determine that crack rock different directions permeability is to the rate of change of factor of porosity with Mathematical Method, and standardization is carried out to this rate of change expression formula, obtain unit factor of porosity on different angle direction and change the variable quantity of the unit permeation rate caused, can the larger crack rock different directions permeability of accurate characterization permeability contrast to the sensitivity of factor of porosity; (2) analog material of the present invention is prepared by 3D Method of printing, accurately can react spatial shape and the distribution in each crack, gained analog material fully can simulate the character of actual crack rock, during the sensitivity of the permeability using it for quantitative test anisotropy of permeability rock mass to factor of porosity, experimental result is representative.
Accompanying drawing explanation
Fig. 1 is inclination angle is the factor of porosity of the analog material of 0 ° and the scatter diagram of permeability;
Fig. 2 is inclination angle is the factor of porosity of the analog material of 15 ° and the scatter diagram of permeability;
Fig. 3 is inclination angle is the factor of porosity of the analog material of 30 ° and the scatter diagram of permeability;
Fig. 4 is inclination angle is the factor of porosity of the analog material of 45 ° and the scatter diagram of permeability;
Fig. 5 is inclination angle is the factor of porosity of the analog material of 60 ° and the scatter diagram of permeability;
Fig. 6 is inclination angle is the factor of porosity of the analog material of 75 ° and the scatter diagram of permeability;
Fig. 7 is inclination angle is the factor of porosity of the analog material of 90 ° and the scatter diagram of permeability.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.
Of the present inventionly a kind ofly determine that crack rock different directions permeability is to the method for factor of porosity sensitivity, comprises the steps:
Step 1, simulates actual crack rock, and preparation and horizontal direction are the analog material of different angle;
Inclination angle can be 0 °, 15 °, 30 °, 45 °, 60 °, 75 ° or 90 °; Concrete, preparation and horizontal direction are that the method for the analog material of different angle comprises the following two kinds:
The first, according to form and the distribution in crack in the geometric shape of actual crack rock and this rock mass, make the mould for the preparation of different angle analog material respectively; According to the mechanical property configuration sand-cement slurry of actual crack rock, pour mould into, maintenance, the demoulding, obtain the analog material of different angle.
The second, according to form and the distribution in crack in the geometric shape of actual crack rock and this rock mass, makes the three-dimensional digital model of this crack rock; By this three-dimensional digital model input 3D printer, rotating this three-dimensional digital model, is the analog material of different angle for raw material prints with horizontal direction with the powder of actual crack rock.Prepare analog material by 3D Method of printing, accurately can react spatial shape and the distribution in each crack, gained analog material fully can simulate the character of actual crack rock, and when using it for quantitative test anisotropy of permeability, experimental result is representative.
Step 2, applies confined pressure step by step to each inclination angle analog material, measures permeability and the factor of porosity of each inclination angle analog material respectively, determine each permeability of inclination direction analog material and the functional relation of factor of porosity after every grade of confined pressure steady;
Size due to different angle direction analog material factor of porosity and the Changing Pattern with confined pressure are close to consistent, therefore only can measure the factor of porosity of a certain inclination angle analog material under every grade of confined pressure, it can represent the factor of porosity of all inclination angles analog material under this grade of confined pressure.
The confined pressure of 3MPa, 8MPa, 15Mpa, 25MPa, 30MPa and 35MPa can be applied step by step.
According to the permeability of each inclination angle analog material recorded under every grade of confined pressure and factor of porosity, take factor of porosity as horizontal ordinate, permeability is ordinate, the scatter diagram of each inclination direction factor of porosity and permeability is made respectively in coordinate axis, draw the functional relation the highest with each scatter diagram degree of fitting respectively by process of iteration, be the corresponding permeability of inclination direction analog material and the functional relation of factor of porosity.
Step 3, to each functional relation differentiate, gained derived function represents that the permeability of counter-bevel direction analog material is to the rate of change of factor of porosity respectively;
Step 4, carries out standardization to each derived function, obtains the variable quantity that unit factor of porosity in counter-bevel direction changes the unit permeation rate caused, the sensitivity that the permeability that this variable quantity is actual crack rock counter-bevel direction to be measured changes factor of porosity.
Be the original permeability in this direction with the permeability of each inclination direction analog material recorded under initial confined pressure, by the derived function on a certain inclination direction divided by the party's original permeability upwards, obtain the party upwards unit factor of porosity change the variable quantity of the unit permeation rate caused, characterize the party's upwards permeability sensitivity that factor of porosity is changed.
Simulating actual crack rock by preparing analog material, need not in-situ test be carried out, can determine that anisotropy of permeability crack rock different directions permeability is to the sensitivity of factor of porosity, saves a large amount of material resources and financial resources by indoor model test; Simultaneously, quantitatively determine that crack rock different directions permeability is to the rate of change of factor of porosity with Mathematical Method, and standardization is carried out to this rate of change expression formula, obtain unit factor of porosity on different angle direction and change the variable quantity of the unit permeation rate caused, can the larger crack rock different directions permeability of accurate characterization permeability contrast to the sensitivity of factor of porosity.
Embodiment
Quantitatively to determine dam foundation place, some hydropower station riverbed anisotropy of permeability rock mass different directions permeability counter stress sensitivity, of the present inventionly determine that the method for crack rock permeability to factor of porosity sensitivity comprises the steps:
(1) according to the spatial shape of structural plane in the volume of actual anisotropy of permeability crack rock and rock mass, quantity and distribution situation, make the three-dimensional digital model of this crack rock, three-dimensional digital model is inputted 3D printer, rotate this three-dimensional digital model, with the powder of actual crack rock to be measured for starting material, print the crack rock analog material from the horizontal by 0 °, 15 °, 30 °, 45 °, 60 °, 75 ° and 90 ° inclination angle respectively.
(2) different angle analog material is applied respectively step by step to the confined pressure of 3MPa, 8MPa, 15Mpa, 25MPa, 30MPa and 35MPa, utilize the permeability of different angle analog material under the different confined pressure of measuring gas permebility of rock measurement device; Size due to different angle direction analog material factor of porosity and the Changing Pattern with confined pressure, close to consistent, therefore represent the factor of porosity of all inclination angles analog material with the factor of porosity of 0 ° of inclination angle analog material under different confined pressure; With factor of porosity φ for horizontal ordinate, permeability k is ordinate, makes the permeability of different angle direction analog material and the scatter diagram of factor of porosity respectively, as Fig. 1 ~ Fig. 7; Then the functional relation the highest with each inclination direction scatter diagram degree of fitting is calculated respectively by process of iteration, as the functional relation of crack rock different directions permeability and factor of porosity, as table 1.
The functional relation of table 1 crack rock different directions permeability and factor of porosity
| Inclination angle/° | The functional relation of permeability and factor of porosity |
| 0 | k＝11.18φ -0. 69 |
| 15 | k＝130.71φ -0. 82 |
| 30 | k＝147.73φ -0. 57 |
| 45 | k＝131.19φ -0. 81 |
| 60 | k＝141.91φ -0. 66 |
| 75 | k＝117.51φ -0. 62 |
| 90 | k＝129.56φ -0. 7 |
(3) differentiate is carried out to the permeability of different angle direction analog material and the functional relation of factor of porosity, the absolute value of gained derived function as crack rock different directions permeability to the expression formula of the rate of change of factor of porosity, as table 2.
Table 2 crack rock different directions permeability is to the expression formula of the rate of change of factor of porosity
(4) carry out standardization to crack rock different directions permeability to the expression formula of the rate of change of factor of porosity, during initial confined pressure 3MPa, the original permeability at 0 °, 15 °, 30 °, 45 °, 60 °, 75 ° and 90 ° inclination direction place is respectively 5.11e
-17, 5.07 × 10
-16, 7.38 × 10
-16, 5.23 × 10
-16, 2.05 × 10
-15, 1.33 × 10
-16, 5.87 × 10
-16, with the permeability of correspondence direction crack rock to the expression formula of the rate of change of factor of porosity divided by this original permeability, and to take absolute value, obtain crack anisotropy of permeability rock mass permeability to the quantitative expression of factor of porosity sensitivity.
As table 3, this expression formula represents that correspondence direction unit factor of porosity changes the variable quantity of the unit permeation rate caused respectively, and this value characterizes the sensitivity that on correspondence direction, permeability changes factor of porosity.
Table 3 crack rock different directions permeability is to the quantitative expression of factor of porosity sensitivity
Claims (7)
1. determine that crack rock different directions permeability is to a method for factor of porosity sensitivity, is characterized in that, comprises the steps:
Step 1, simulates actual crack rock, and preparation and horizontal direction are the analog material of different angle;
Step 2, applies confined pressure step by step to each inclination angle analog material, measures permeability and the factor of porosity of each inclination angle analog material respectively, determine each permeability of inclination direction analog material and the functional relation of factor of porosity after every grade of confined pressure steady;
Step 3, to each functional relation differentiate, gained derived function represents that the permeability of counter-bevel direction analog material is to the rate of change of factor of porosity respectively;
Step 4, carries out standardization to each derived function, obtains the variable quantity that unit factor of porosity in counter-bevel direction changes the unit permeation rate caused, the sensitivity that the permeability that this variable quantity is actual crack rock counter-bevel direction to be measured changes factor of porosity.
2. according to claim 1ly determine that crack rock different directions permeability is to the method for factor of porosity sensitivity, is characterized in that, in step 1, described preparation and horizontal direction are that the method for the analog material of different angle comprises:
(1) according to form and the distribution in crack in the geometric shape of actual crack rock and this rock mass, the three-dimensional digital model of this crack rock is made;
(2) by this three-dimensional digital model input 3D printer, rotating this three-dimensional digital model, is the analog material of different angle for raw material prints with horizontal direction with the powder of actual crack rock.
3. according to claim 1 and 2ly determine that crack rock different directions permeability is to the method for factor of porosity sensitivity, is characterized in that, described inclination angle is 0 °, 15 °, 30 °, 45 °, 60 °, 75 ° or 90 °.
4. according to claim 1ly determine that crack rock different directions permeability is to the method for factor of porosity sensitivity, it is characterized in that, in step 2, choose arbitrary inclination angle analog material, represent the factor of porosity of all inclination angles analog material under this grade of confined pressure with the factor of porosity of this inclination angle analog material under every grade of confined pressure.
5. the determination crack rock different directions permeability according to claim 1 or 4 is to the method for factor of porosity sensitivity, it is characterized in that, in step 2, according to the permeability of each inclination angle analog material recorded under every grade of confined pressure and factor of porosity, take factor of porosity as horizontal ordinate, permeability is ordinate, make the scatter diagram of each inclination direction factor of porosity and permeability, draw the functional relation the highest with each scatter diagram degree of fitting respectively by process of iteration, be the corresponding permeability of inclination direction analog material and the functional relation of factor of porosity.
6. according to claim 1ly determine that crack rock different directions permeability is to the method for factor of porosity sensitivity, is characterized in that, in step 2, apply the confined pressure of 3MPa, 8MPa, 15Mpa, 25MPa, 30MPa and 35MPa step by step.
7. according to claim 1ly determine that crack rock different directions permeability is to the method for factor of porosity sensitivity, it is characterized in that, in step 4, describedly to the method that each derived function carries out standardization be: by the original permeability of the derived function of step 3 gained divided by counter-bevel direction analog material, this original permeability is the permeability of the analog material recorded under initial confined pressure.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917865A (en) * | 2016-10-11 | 2018-04-17 | 中国石油化工股份有限公司 | A kind of tight sandstone reservoir multi-parameter Permeability Prediction method |
| CN108681793A (en) * | 2018-05-18 | 2018-10-19 | 中国石油天然气集团有限公司 | Deep Reservoirs productivity index prediction technique and device |
| CN108760598A (en) * | 2018-04-12 | 2018-11-06 | 河海大学 | Determine that minimal circulation needed for filling jointed rock densification adds the method for unloading number |
| CN108875096A (en) * | 2017-05-09 | 2018-11-23 | 中国石油化工股份有限公司 | The simulation model construction method of rock core scale |
| CN109063334A (en) * | 2018-08-03 | 2018-12-21 | 河海大学 | A kind of fluid structure interaction mode construction method of LOW PERMEABILITY POROUS MEDIA material |
| CN109374497A (en) * | 2018-10-29 | 2019-02-22 | 河海大学 | A kind of rock micropore structure test method |
| CN109752302A (en) * | 2017-11-02 | 2019-05-14 | 中国石油天然气股份有限公司 | Method for predicting porosity of tight sandstone reservoir in upward inclination direction |
| CN110579427A (en) * | 2019-10-22 | 2019-12-17 | 桂林理工大学 | Fracture-pore double-permeation-medium dominant-flow simulation device and experimental method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207137A (en) * | 2013-04-08 | 2013-07-17 | 河海大学 | Device for fully automatically measuring penetration rate and void ratio of compact rock under dynamic confining pressure |
| CN103528934A (en) * | 2013-10-29 | 2014-01-22 | 中国石油大学(北京) | Mutual correlation technology for measuring permeability stress sensitivity of ultra-low permeability rocks |
| CN104515696A (en) * | 2014-12-09 | 2015-04-15 | 河海大学 | Method for preparation of columnar jointed rock mass similar material sample by 3D printing technology |
| CN105241802A (en) * | 2015-11-03 | 2016-01-13 | 河海大学 | Permeability tensor test method and anisotropy quantification assessment method for columnar jointed rock |
| US9291541B2 (en) * | 2011-12-05 | 2016-03-22 | Korea Institute Of Geoscience And Mineral Resources | Apparatus and method of measuring porosity and permeability of dioxide carbon underground storage medium |
-
2016
- 2016-01-29 CN CN201610064275.0A patent/CN105510207B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9291541B2 (en) * | 2011-12-05 | 2016-03-22 | Korea Institute Of Geoscience And Mineral Resources | Apparatus and method of measuring porosity and permeability of dioxide carbon underground storage medium |
| CN103207137A (en) * | 2013-04-08 | 2013-07-17 | 河海大学 | Device for fully automatically measuring penetration rate and void ratio of compact rock under dynamic confining pressure |
| CN103528934A (en) * | 2013-10-29 | 2014-01-22 | 中国石油大学(北京) | Mutual correlation technology for measuring permeability stress sensitivity of ultra-low permeability rocks |
| CN104515696A (en) * | 2014-12-09 | 2015-04-15 | 河海大学 | Method for preparation of columnar jointed rock mass similar material sample by 3D printing technology |
| CN105241802A (en) * | 2015-11-03 | 2016-01-13 | 河海大学 | Permeability tensor test method and anisotropy quantification assessment method for columnar jointed rock |
Non-Patent Citations (1)
| Title |
|---|
| 王环玲等: "低渗透岩石渗透率与孔隙率演化规律的气渗试验研究", 《水利学报》 * |
Cited By (12)
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| CN107917865A (en) * | 2016-10-11 | 2018-04-17 | 中国石油化工股份有限公司 | A kind of tight sandstone reservoir multi-parameter Permeability Prediction method |
| CN107917865B (en) * | 2016-10-11 | 2020-01-31 | 中国石油化工股份有限公司 | compact sandstone reservoir multi-parameter permeability prediction method |
| CN108875096A (en) * | 2017-05-09 | 2018-11-23 | 中国石油化工股份有限公司 | The simulation model construction method of rock core scale |
| CN108875096B (en) * | 2017-05-09 | 2021-11-23 | 中国石油化工股份有限公司 | Method for constructing simulation model of core scale |
| CN109752302A (en) * | 2017-11-02 | 2019-05-14 | 中国石油天然气股份有限公司 | Method for predicting porosity of tight sandstone reservoir in upward inclination direction |
| CN108760598A (en) * | 2018-04-12 | 2018-11-06 | 河海大学 | Determine that minimal circulation needed for filling jointed rock densification adds the method for unloading number |
| CN108760598B (en) * | 2018-04-12 | 2019-12-10 | 河海大学 | Method for determining minimum cyclic loading and unloading times required by filling joint rock compaction |
| CN108681793A (en) * | 2018-05-18 | 2018-10-19 | 中国石油天然气集团有限公司 | Deep Reservoirs productivity index prediction technique and device |
| CN108681793B (en) * | 2018-05-18 | 2022-02-01 | 中国石油天然气集团有限公司 | Deep reservoir oil extraction index prediction method and device |
| CN109063334A (en) * | 2018-08-03 | 2018-12-21 | 河海大学 | A kind of fluid structure interaction mode construction method of LOW PERMEABILITY POROUS MEDIA material |
| CN109374497A (en) * | 2018-10-29 | 2019-02-22 | 河海大学 | A kind of rock micropore structure test method |
| CN110579427A (en) * | 2019-10-22 | 2019-12-17 | 桂林理工大学 | Fracture-pore double-permeation-medium dominant-flow simulation device and experimental method |
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