CN206920290U - A kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus - Google Patents
A kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus Download PDFInfo
- Publication number
- CN206920290U CN206920290U CN201720267758.0U CN201720267758U CN206920290U CN 206920290 U CN206920290 U CN 206920290U CN 201720267758 U CN201720267758 U CN 201720267758U CN 206920290 U CN206920290 U CN 206920290U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure
- tight sand
- measurement apparatus
- stress sensitive
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to hyposmosis tight sand oil-gas reservoir capability forecasting technical field, specifically, it is related to a kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus, including high-purity gas tank, regulating valve, air boost pump, four-way valve, the first check valve, the first relief valve, first pressure sensor, core holding unit, second pressure sensor, back-pressure valve, gas viscosimeter and the constant volume tank being sequentially connected；The second check valve and the second relief valve are sequentially provided between four-way valve free end and core holding unit；The 3rd check valve and the 3rd relief valve are sequentially provided between another free end of four-way valve and back-pressure valve；Nitrogen gas concn detection sensor is provided with constant volume tank；Receiver is connected with first pressure sensor, second pressure sensor, viscosimeter with nitrogen gas concn detection sensor.The utility model is simple in construction, ingenious in design, and automaticity is high, high to hyposmosis tight sand stress sensitive coefficients measuring accuracy, and the cycle is short.
Description
Technical field
A kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus is the utility model is related to, belongs to hyposmosis densification sand
Oil gas pool capability forecasting technical field.
Background technology
Hyposmosis tight sand refers to that porosity is less than 10%, and permeability is less than 1mD sandstone rock.China's hyposmosis causes
Oil and gas reserves very abundant in close sandstone, but compared to conventional oil gas reservoir, it is larger that it exploits difficulty, therefore not all the time
Obtain effective exploitation.At present, because the increase of China's demand for energy and the change of energy consumption structure are, it is necessary to accelerate to this
The development of class unconventional petroleum resources, and capability forecasting as the important step during oil-gas exploration and development, it is necessary to enter
One step is furtherd investigate.
The stress sensitive characteristic of rock refers to that the porosity and permeability of rock can be sent out with the change of its stress
Changing, and the porosity and permeability of rock is the underlying parameter during oil and gas productivity prediction, the influence to prediction result
It is very huge.Substantial amounts of research shows that hyposmosis tight sand has very strong stress sensitivity, therefore accurate evaluation is low at present
The stress sensitive degree of infiltration tight sand has highly important meaning to the capability forecasting of this kind of oil-gas reservoir.
The stress sensitive coefficients of rock are the characterization parameters of its stress sensitive degree, are typically obtained by testing, but nowadays
Conventional stress sensitive coefficients measurement apparatus error is larger, apparatus structure is complicated and cost is higher.
Utility model content
The utility model provides a kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus, it is intended that solution
Certainly the above-mentioned problems in the prior art.
The technical solution of the utility model is as follows：
The utility model provides a kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus, including be sequentially connected
High-purity gas tank, regulating valve, air boost pump, four-way valve, the first check valve, the first relief valve, first pressure sensor, rock core
Clamper, second pressure sensor, back-pressure valve, gas viscosimeter and constant volume tank.
In embodiment provided by the utility model, above-mentioned core holding unit is provided with the 3rd pressure sensor, the 3rd pressure
Force snesor is connected with four-way valve, and is sequentially provided with the second check valve and the second pressure release between four-way valve and the 3rd pressure sensor
Valve.
In embodiment provided by the utility model, above-mentioned back-pressure valve is connected with four-way valve, and four-way valve and back-pressure valve it
Between be sequentially provided with the 3rd check valve and the 3rd relief valve.
In embodiment provided by the utility model, the detection source of the gas in above-mentioned high-purity gas tank is nitrogen.
In embodiment provided by the utility model, nitrogen gas concn detection sensor is provided with above-mentioned constant volume tank.
In embodiment provided by the utility model, above-mentioned hyposmosis tight sand stress sensitive coefficients measurement apparatus is also wrapped
Include receiver, receiver and first pressure sensor, second pressure sensor, the 3rd pressure sensor, gas viscosimeter and nitrogen
Gas concentration detection sensor is connected, for showing and recording the pressure, viscosity and nitrogen gas concn data of different time points.
In embodiment provided by the utility model, above-mentioned hyposmosis tight sand stress sensitive coefficients measurement apparatus is also wrapped
Insulating box is included, core holding unit is provided with the insulating box.
In embodiment provided by the utility model, above-mentioned four-way valve is sequentially provided with first interface, along clockwise direction
Two interfaces, the 3rd interface and the 4th interface, wherein first interface are connected with air boost pump, second interface and the second check valve phase
Even, the 3rd interface and the first check valve are connected, and the 4th interface and the 3rd check valve are connected.
In embodiment provided by the utility model, above-mentioned constant volume tank is provided with pneumatic control valve, and hair is normal to air pressure automatically
Enclosed, but when the pressure in constant volume tank is more than 5MP, the pneumatic control valve is automatically turned on, and the gas in constant volume tank is discharged, and is prevented
Fastening hold tank in pressure it is excessive and cause constant volume tank explode.
The beneficial effects of the utility model are：Hyposmosis tight sand stress sensitive coefficients measurement provided by the utility model
Device has cleverly used four-way valve, enormously simplify measurement apparatus, has saved instrument cost；Introduce receiver and its supporting
Pressure sensor, concentration detection sensor and viscosimeter, improve the automaticity and measurement accuracy of measurement apparatus, reduce
Influence of the human factor to measurement result；Change in concentration amount is obtained using concentration detector to calculate perm-plug method, very well
Small, the big problem of perm-plug method measurement error, so as to fine that solves hyposmosis tight sand rock core rate of discharge
The stress sensitive degree of hyposmosis tight sand is evaluated on ground, and weight is provided for the capability forecasting of live hyposmosis tight sand oil-gas reservoir
The theory support wanted.
Brief description of the drawings
, below will be to required in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, it will be appreciated that and the following drawings illustrate only some embodiments of the present utility model, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work,
Other related accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 hyposmosis tight sand stress sensitive coefficients measurement apparatus structure charts provided by the utility model；
Fig. 2 four-way valve structure charts provided by the utility model.
Diagram：100- hyposmosis tight sand stress sensitive coefficients measurement apparatus；1- high-purity gas tanks；2- regulating valves；3-
Air boost pump；4- four-way valves；First interface 41；Second interface 42；3rd interface 43；4th interface 44；The check valves of 5- first；
The relief valves of 6- first；7- first pressure sensors；8- core holding units；9- insulating boxs；10- rock cores；11- second pressures sense
Device；12- back-pressure valves；13- viscosimeters；14- constant volume tanks；15- pneumatic control valves；The check valves of 16- second；The relief valves of 17- second；
The pressure sensors of 18- the 3rd；The check valves of 19- the 3rd；The relief valves of 20- the 3rd；21- receivers；22- nitrogen gas concns detection sensing
Device.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shown
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Therefore, below
It is new that the detailed description of embodiment of the present utility model to providing in the accompanying drawings is not intended to limit this claimed practicality
The scope of type, but it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
In description of the present utility model, it is to be understood that the term of indicating position or position relationship is based on accompanying drawing
Shown orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply institute
The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality
With new limitation.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is on or below second feature
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Directly over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is special second
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Highly it is less than second feature.
Such as Fig. 1, the utility model provides a kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus 100, including
The high-purity gas tank 1 that is sequentially connected, regulating valve 2, air boost pump 3, four-way valve 4, the first check valve 5, the first relief valve 6,
One pressure sensor 7, core holding unit 8, second pressure sensor 11, back-pressure valve 12, gas viscosimeter 13 and constant volume tank 14.
High-purity gas tank 1 is provided with regulating valve 2, for adjusting the gas output of the high-purity gas tank 1.
In the present embodiment, the detection source of the gas in high-purity gas tank 1 is nitrogen.
Air boost pump 3 is used for gas (nitrogen) pressurization to detection source of the gas.
Core holding unit 8 is provided with the 3rd pressure sensor 18, and the 3rd pressure sensor 18 is connected with four-way valve 4, and four
The second check valve 16 and the second relief valve 17 are sequentially provided between the pressure sensor 18 of port valve 4 and the 3rd.
Back-pressure valve 12 is connected with four-way valve 4, and the 3rd check valve 19 and are sequentially provided between four-way valve 4 and back-pressure valve 12
Three relief valves 20.
In the present embodiment, above-mentioned back-pressure valve 12 is used for the outlet pressure for adjusting rock core 10.
Such as Fig. 2, four-way valve 4 is sequentially provided with first interface 41, second interface 42, the 3rd interface 43 and along clockwise direction
Four interfaces 44：Wherein first interface 41 is connected with air boost pump 3, is detection gas (nitrogen) air inlet, in the measurements to be normal
Open interface；Second interface 42 is connected with the second check valve 16, and opening the relief valve 17 of second interface 42 and second can clamp to rock core
The annular space of device 8 carries out plus confined pressure；3rd interface 43 is connected with the first check valve 5, opens the 3rd interface 43 and the first relief valve 6 can
Adjust the inlet pressure of rock core 10；4th interface 44 is connected with the 3rd check valve 19, coordinates back-pressure valve 12 to be used to adjust rock core 10
Outlet pressurization；Therefore, one or more of four-way valve 4 interface is opened or closed, corresponding function, the four-way valve can be achieved
4 use enormously simplify measurement apparatus, save cost of investment.
First check valve 5, the second check valve 16 and the 3rd check valve 19 be in order to ensure can simultaneously to confined pressure, rock core 10
Any 2 or 3 progress blower operations in the outlet pressure of inlet pressure and rock core 10, and measurement institute can be reached each other
The pressure differential needed.
Core holding unit 8 is provided with insulating box 9, rock core 10 is provided with the clamper.
Constant volume tank 14 is provided with pneumatic control valve 15, and pneumatic control valve 15 is normally closed type, but when the pressure in constant volume tank 14
During more than 5MP, the pneumatic control valve 15 is automatically turned on, and the gas in constant volume tank 14 is discharged, prevents pressure mistake in constant volume tank 14
Constant volume tank 14 is caused to explode greatly.
Viscosimeter 13 is used to detect exit gas viscosity.
Nitrogen gas concn detection sensor 22 is provided with constant volume tank 14.
Specifically, in the present embodiment, above-mentioned nitrogen gas concn detection sensor 22 is big peace IGM100-N2 sensors,
Its measurement range is 0-100%vol, precision 3%FS.
Receiver 21 and first pressure sensor 7, second pressure sensor 11, the 3rd pressure sensor 18, gas viscosity
Meter 13 and nitrogen gas concn detection sensor 22 are connected, for showing and recording the pressure, viscosity and nitrogen gas concn of different time points
Data.
Specifically, in the present embodiment, above-mentioned first pressure sensor 7, the pressure of second pressure sensor 11 and the 3rd pass
Sensor 18 is MIK-P300G pressure sensors, and its measurement range is 0.1-100MPa, and precision is 0.5 grade.
100 measuring methods of hyposmosis tight sand stress sensitive coefficients measurement apparatus provided by the utility model are as follows：
Atmospheric pressure, rock sample length, rock sample sectional area are first determined before measurement.For hyposmosis tight sand due to rock core
The gas flow in the exit of clamper 8 is very small, it is difficult to is directly measured with flowmeter, therefore first passes through measure detection source of the gas (nitrogen
Gas) concentration in constant volume tank 14 extrapolates the gas flow in the exit of rock core 10 again, formula (1) for detection source of the gas concentration and
Relational expression between the exit gas flow of rock core 10.
In formula：Qg is the exit gas flow of rock core 10, mL/s；
Δ Cg be constant volume tank 14 in detect source of the gas change in concentration amount, mg/cm3；
V be constant volume tank 14 volume, cm3；
Δ T be the corresponding time variable quantity, s.
In above-mentioned formula (1), Δ Cg is the constant volume tank 14 within this period time T1 to T2 (i.e. Δ T=T2-T1)
The change in concentration amount of middle detection source of the gas.Detection source of the gas is nitrogen in the present embodiment, nitrogen gas concn wherein corresponding to T1, T2 time
Measured value all shows and is recorded in receiver 21.
Then by measuring the inlet pressure of rock core, outlet pressure, atmospheric pressure, rock sample length, rock sample sectional area, gas
Viscosity, the perm-plug method of rock core 10 is finally calculated according to formula (2)：
In formula：K is the perm-plug method of rock core 10, mD；
P0For atmospheric pressure, MPa；
Qg is the exit gas flow of rock core 10, mL/s；
μ is gas viscosity, Pas；
L be rock core 10 to be measured length, cm；
A be rock core 10 to be measured sectional area, cm2；
Δ P be the both ends of rock core 10 pressure differential, MPa.
Then, with the net confined pressure value P of a certain interior pressurec-PiGentle survey permeability value KiFor initial value, measurement data is entered
Row normalized, obtain, without therefore net confined pressure and without the relation curve between therefore permeability, referring to the relation curve
Number fitting, then the stress sensitive coefficients of rock core 10 are calculated according to formula (3).
In formula：S is stress sensitive coefficients, without therefore；
KaFor the perm-plug method of a certain interior pressure, mD；
KiFor the perm-plug method in certain time period, mD；
PcFor confined pressure, MPa；
PpFor pore pressure, MPa；
PiFor the internal pressure in certain time period, MPa；
Wherein, internal pressure PiFor the average value of core entry pressure and outlet pressure sum.
Specific measuring process is as follows：
The first step, rock core 10 is put into core holding unit 8, starts insulating box 9 and air boost pump 3, opened adjust successively
Valve 2, first interface 41, the relief valve 17 of second interface 42 and second are saved, confined pressure is added to the annular space of core holding unit 8 to after 5MPa
Close second interface 42.
Second step, while open the 3rd interface 43, the first relief valve 6；4th interface 44, the 3rd relief valve 20 and back-pressure valve
12, the inlet pressure of rock core 10 is adjusted respectively to 3MPa, outlet pressure to 1MPa.
3rd step, reopen second interface 42 and add confined pressure, and slowly synchronous increase confined pressure, the entrance of rock core 10 to annular space
Pressure and outlet pressure, when internal pressure reaches certain value (such as 40MPa), close the 3rd interface 43 and the 4th interface 44.
4th step, continue confined pressure increasing to 10MPa values bigger than internal pressure, close second interface 42, keep confined pressure constant.
5th step, inlet pressure, outlet pressure and the nitrogen gas concn value of rock core 10 are recorded using receiver 21, according to formula
(1), (2) calculate perm-plug method K nowa, and calculate pore pressure P nowp(inlet pressure of rock core 10 and go out
The difference of mouth pressure).
6th step, back-pressure valve 12 is adjusted, allows internal pressure PiGradually reduced with a particular value, and calculate gas relative every time and survey
Permeability KiWith internal pressure Pi。
7th step, measurement data is normalized, and is obtained without therefore net confined pressure and without between therefore permeability
Relation curve, exponential fitting is carried out to the relation curve.
8th step, the stress sensitive coefficients of rock core 10 are calculated according to formula (3).
9th step, close regulating valve 2, air boost pump 3 and insulating box 9；Open the first relief valve 6, the second relief valve 17
With the 3rd relief valve 20, pressure release is carried out to the inlet pressure of rock core 10, outlet pressure and confined pressure respectively.
Hyposmosis tight sand stress sensitive coefficients measurement apparatus provided by the utility model has the beneficial effect that：This practicality
The hyposmosis tight sand stress sensitive coefficients measurement apparatus of new offer has cleverly used four-way valve, enormously simplify measurement
Device, instrument cost is saved；Receiver and its supporting pressure sensor, concentration detection sensor and viscosimeter are introduced,
The automaticity and measurement accuracy of measurement apparatus are improved, reduces influence of the human factor to measurement result；Utilize concentration
Detector obtains change in concentration amount to calculate perm-plug method, solves hyposmosis tight sand rock core rate of discharge well
It is small, the big problem of perm-plug method measurement error, so as to evaluate the stress sensitive degree of hyposmosis tight sand well,
Capability forecasting for live hyposmosis tight sand oil-gas reservoir provides important theory support.
It is described above, not make any formal limitation to the utility model, although the utility model is with preferably real
It is disclosed above to apply example, but is not limited to the utility model, any person skilled in the art, is not departing from this reality
With in new technique aspects, when the technology contents using the disclosure above make a little change or are modified to equivalent variations
Equivalent embodiment, as long as being the content without departing from technical solutions of the utility model, according to the technical essence of the utility model to
Any simple modification, equivalent change and modification that upper embodiment is made, in the range of still falling within technical solutions of the utility model.
Claims (9)
1. a kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus, it is characterised in that including being sequentially connected by pipeline
High-purity gas tank, regulating valve, air boost pump, four-way valve, the first check valve, the first relief valve, first pressure sensor, rock
Heart clamp holder, second pressure sensor, back-pressure valve, gas viscosimeter and constant volume tank.
2. hyposmosis tight sand stress sensitive coefficients measurement apparatus according to claim 1, it is characterised in that the rock
Heart clamp holder is provided with the 3rd pressure sensor, and the 3rd pressure sensor is connected with four-way valve, and four-way valve and the 3rd pressure pass
The second check valve and the second relief valve are sequentially provided between sensor.
3. hyposmosis tight sand stress sensitive coefficients measurement apparatus according to claim 2, it is characterised in that described time
Pressure valve is connected with four-way valve, and the 3rd check valve and the 3rd relief valve are sequentially provided between four-way valve and back-pressure valve.
4. hyposmosis tight sand stress sensitive coefficients measurement apparatus according to claim 1, it is characterised in that the height
Detection source of the gas in purity gas tank is nitrogen.
5. hyposmosis tight sand stress sensitive coefficients measurement apparatus according to claim 1, it is characterised in that described fixed
Hold in tank and be provided with nitrogen gas concn detection sensor.
6. hyposmosis tight sand stress sensitive coefficients measurement apparatus according to claim 1, it is characterised in that constant volume tank
It is provided with pneumatic control valve.
7. hyposmosis tight sand stress sensitive coefficients measurement apparatus according to claim 1, it is characterised in that also include
Receiver, the receiver and first pressure sensor, second pressure sensor, the 3rd pressure sensor, gas viscosimeter and
Nitrogen gas concn detection sensor is connected, for showing and recording the pressure, viscosity and nitrogen gas concn data of different time points.
8. hyposmosis tight sand stress sensitive coefficients measurement apparatus according to claim 1, it is characterised in that also include
Insulating box, the insulating box is interior to be provided with core holding unit.
9. hyposmosis tight sand stress sensitive coefficients measurement apparatus according to claim 3, it is characterised in that described four
Port valve is sequentially provided with first interface, second interface, the 3rd interface and the 4th interface, wherein first interface and sky along clockwise direction
Gas booster pump is connected, and second interface is connected with the second check valve, and the 3rd interface and the first check valve are connected, the 4th interface and the 3rd
Check valve is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720267758.0U CN206920290U (en) | 2017-03-20 | 2017-03-20 | A kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720267758.0U CN206920290U (en) | 2017-03-20 | 2017-03-20 | A kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920290U true CN206920290U (en) | 2018-01-23 |
Family
ID=61310796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720267758.0U Expired - Fee Related CN206920290U (en) | 2017-03-20 | 2017-03-20 | A kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920290U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732077A (en) * | 2018-05-31 | 2018-11-02 | 四川大学 | A kind of engine oil channel pipeline penetrant detecting method |
| CN109339774A (en) * | 2018-10-18 | 2019-02-15 | 中国石油化工股份有限公司 | Low permeability deformation non linear fluid flow through porous medium method for numerical simulation based on boundary layer |
| CN109580454A (en) * | 2019-01-05 | 2019-04-05 | 中国海洋石油集团有限公司 | A method of compact reservoir Fluid Sensitivity is tested with pressure oscillation method |
| CN111272632A (en) * | 2020-03-09 | 2020-06-12 | 成都理工大学 | Method for predicting crack width based on stress sensitivity coefficient |
| CN113075108A (en) * | 2021-03-26 | 2021-07-06 | 西南石油大学 | Rock core multiple stress sensitivity test method considering irreducible water saturation |
| CN113075110A (en) * | 2021-04-06 | 2021-07-06 | 西南石油大学 | Multifunctional accurate metering device for rock core displacement experiment |
| CN113447420A (en) * | 2021-06-30 | 2021-09-28 | 西南石油大学 | Shale stress sensitivity detection device and method |
-
2017
- 2017-03-20 CN CN201720267758.0U patent/CN206920290U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732077A (en) * | 2018-05-31 | 2018-11-02 | 四川大学 | A kind of engine oil channel pipeline penetrant detecting method |
| CN108732077B (en) * | 2018-05-31 | 2023-09-19 | 四川大学 | Engine oil duct pipeline penetration detection method |
| CN109339774A (en) * | 2018-10-18 | 2019-02-15 | 中国石油化工股份有限公司 | Low permeability deformation non linear fluid flow through porous medium method for numerical simulation based on boundary layer |
| CN109580454A (en) * | 2019-01-05 | 2019-04-05 | 中国海洋石油集团有限公司 | A method of compact reservoir Fluid Sensitivity is tested with pressure oscillation method |
| CN109580454B (en) * | 2019-01-05 | 2022-02-08 | 中国海洋石油集团有限公司 | Method for testing fluid sensitivity of tight reservoir by using pressure oscillation method |
| CN111272632A (en) * | 2020-03-09 | 2020-06-12 | 成都理工大学 | Method for predicting crack width based on stress sensitivity coefficient |
| CN113075108A (en) * | 2021-03-26 | 2021-07-06 | 西南石油大学 | Rock core multiple stress sensitivity test method considering irreducible water saturation |
| CN113075110A (en) * | 2021-04-06 | 2021-07-06 | 西南石油大学 | Multifunctional accurate metering device for rock core displacement experiment |
| CN113447420A (en) * | 2021-06-30 | 2021-09-28 | 西南石油大学 | Shale stress sensitivity detection device and method |
| US11513051B1 (en) | 2021-06-30 | 2022-11-29 | Southwest Petroleum University | Shale stress sensitivity testing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206920290U (en) | A kind of hyposmosis tight sand stress sensitive coefficients measurement apparatus | |
| CN106525690B (en) | Method for measuring gas-water relative permeability curve by tight sandstone steady-state method | |
| CN104101564B (en) | A kind of method of unstable state High Temperature High Pressure test flow in low permeability core free-boundary problem | |
| CN105675469A (en) | Full-automatic test system and measurement method for gas permeability of rock | |
| CN109443867B (en) | The method that the physical parameter of a kind of pair of tight rock is continuously detected | |
| CN109916799A (en) | Measure the experimental method of the spontaneous Imbibition Relative Permeability of unconventional tight gas reservoir | |
| CN101408493B (en) | Method and apparatus for measuring adsorbance-deformation-permeability coefficients of material | |
| CN103994943B (en) | A kind of coal/shale adsorption isotherm experiment device | |
| CN210264648U (en) | Multifunctional rock core displacement device | |
| CN206546315U (en) | A kind of hyposmosis tight sand permeability experimental provision | |
| CN109001243A (en) | A kind of method and apparatus of the dynamic water-blocking effect using low-field nuclear magnetic resonance evaluation coal | |
| CN106872328A (en) | A kind of test device and method of testing of flow in low permeability core porosity and permeability | |
| CN109883894A (en) | A kind of superhigh temperature super-pressure stable state air water mutually seeps test device and test method | |
| CN112986097B (en) | Experimental measurement method for determining relative permeability curve of tight reservoir steady state method | |
| CN104297126A (en) | Gas seepage starting pressure gradient measuring device and method for low-permeability reservoir | |
| CN113866069A (en) | Shale core permeability experiment device and method | |
| CN109085104B (en) | Method for determining gas relative permeability of dense gas reservoir | |
| WO2023071552A1 (en) | Gas solubility measuring apparatus and method, and storage potential predicting system and method | |
| CN116735835A (en) | Compact sandstone condensate gas reservoir failure development simulation device and method | |
| CN203241406U (en) | Coal dust methane gas diffusion measuring device | |
| CN110411905A (en) | A kind of high temperature and pressure shale unstable state air water mutually seeps test device and method | |
| CN111323359B (en) | Core spontaneous imbibition measuring device and method for high-pressure natural gas-water system | |
| CN203025067U (en) | Low-osmosis rock sample permeability tester | |
| CN206192840U (en) | Dual -purpose permeability testing arrangement of rock core gas -liquid | |
| CN110927359B (en) | Experimental test device and method for gas loss content in low-permeability porous medium coring process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20190320 |