CN105547959B - Fine and close basement rock mesostroma hole preserves the analysis method of natural gas ability - Google Patents
Fine and close basement rock mesostroma hole preserves the analysis method of natural gas ability Download PDFInfo
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- 239000011435 rock Substances 0.000 title claims abstract description 132
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000003345 natural gas Substances 0.000 title claims abstract description 27
- 238000004458 analytical method Methods 0.000 title claims abstract description 25
- 239000011148 porous material Substances 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 34
- 239000011159 matrix material Substances 0.000 claims abstract description 32
- 229910052734 helium Inorganic materials 0.000 claims abstract description 20
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001307 helium Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000013507 mapping Methods 0.000 claims abstract description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 24
- 229910052753 mercury Inorganic materials 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 13
- 238000000280 densification Methods 0.000 claims description 10
- 239000007789 gas Substances 0.000 description 13
- 238000005259 measurement Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
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Abstract
The present invention provides the analysis methods that a kind of fine and close basement rock mesostroma hole preserves natural gas ability, which includes: the gaseous porosity that rock sample to be measured is measured using helium method；The total pore size volume of rock sample to be measured is calculated according to the volume of rock sample to be measured and gaseous porosity；Non-wetted phase liquid is injected to rock sample to be measured, and is gradually increased injection pressure, until the saturation degree of non-wetted phase liquid does not increase with the increase of pressure value, wherein the saturation degree is calculated by the total pore size volume；The mapping of data cultellation is carried out according to pressure value and its saturation degree of corresponding non-wetted phase liquid, obtains the capillary pressure curve of rock sample to be measured；The maximum value for reading the non-wetted phase hold-up degree on capillary pressure curve, the percentage of the total pore size volume of rock sample to be measured is accounted for according to the volume that the maximum value obtains matrix pores.Percent by volume shared by entire block rock sample mesostroma hole can be accurately calculated using the present invention, so that it is determined that matrix pores preserve the ability of natural gas.
Description
Technical field
The present invention relates to the evaluating reservoir field in Natural Gas Geology exploration engineering, especially a kind of fine and close basement rock mesostroma
Hole preserves the analysis method of natural gas ability.
Background technique
Reservoir assessment technology is one of most important technology in petroleum geology exploration field, and rock preserves energy in oil-gas Layer
Power directly determines the scale and production capacity of oil-gas reservoir, and wherein evaluation of physical property and pore configuration research are the weights in Oil/Gas Reservoir Assessment
Want one of content (National Energy Board, SY/T 6285-2011 Oil/Gas Reservoir Assessment method, p.1-15,2011；Sieve bruising pool and Wang Yun
Really, the pore structure of reservoir of oil and gas, Beijing, Science Press, 1986).
In recent years, explorationists have found huge natural gas in the fine and close basement rock in the area Caidamu Basin Dong Ping
Hiding, scholars have found that it is minimum to develop a large amount of apertures in reservoir by the basement rock gas reservoir of the research land maximum-norm in this China
Matrix pores (Ma Feng etc., the Caidamu Basin area Dong Ping basement rock gas reservoir evaluation, Petroleum finance, v42, n3, p.266-
273,2015), the unapproachable matrix pores of these petroleum liquids are the good reservoir spaces of natural gas, this important achievement changes
Become in the past it is conventionally believed that " basement rock reservoir space is based on the crack that is broken and its derives from " viewpoint (YAN Xiang-
Bin et al., Ordovician Basement Hydrocarbon Reservoirs in the Tarim Basin,
China, Acta Geologica Sinca, v78, n3, p.676-683,2004；Anirbid Sircar, Hydrocarbon
Production from fractured basement formations, Current science, v87, n2, p.147-
151,2004) important factor for controlling of eastern level ground gas reservoir energy Sustainable high yield, stable yields, has also been annotated well.
Geologists' method for generalling use when measuring the porosity of rock include: Archimedes's mercury immersion method,
Mercury the displacement process, (country of the People's Republic of China (PRC) such as vernier caliper measurement method, Boyle's law dual chamber method, fluid saturation method
Quality supervision and test quarantine general bureau, Standardization Administration of China, GB/T 29172-2012 core analysis method,
P.78-102, the porosity data that 2012), these methods or combination or independent measurement go out has the meaning of total pore size volume, but
It cannot be distinguished different aperture type (such as matrix pores, dissolution porosity, crack) respective shared percentage, especially matrix
The determination of pore volume is particularly important, and percentage composition directly determines that can natural gas continuously steady production or production declines rate.
The measurement of identification and pore size for fine and close basement rock mesostroma hole, geologists generally use field emission scanning electron microscope
Method (China State Bureau of Quality and Technical Supervision, GB/T 18295-2001 oil and gas reservoir sample of sandstone scanning electron microscope analysis method,
P.1-8, it 2001) realizes, the pore size of single matrix pores is scanned after Electronic Speculum amplification a mesh on instrument system scale
It is clear, but scanning electron microscope method can not calculate these matrix pores percent by volume shared in entire rock sample block, i.e. base
The ability of preserving of matter hole is difficult to quantitative analysis.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of fine and close basement rock mesostroma holes to preserve natural gas ability
Analysis method, the analysis method include:
The gaseous porosity of rock sample to be measured is measured using helium method；
The total pore size volume of the rock sample to be measured is calculated according to the volume of the rock sample to be measured and the gaseous porosity:
Non-wetted phase liquid is injected to the rock sample to be measured, and is gradually increased injection pressure, until non-wetted phase liquid
Saturation degree does not increase with the increase of pressure value, wherein the saturation degree is calculated by the total pore size volume；
The mapping of data cultellation is carried out according to the pressure value and its saturation degree of corresponding non-wetted phase liquid, described in acquisition
The capillary pressure curve of rock sample to be measured；
The maximum value for reading the non-wetted phase hold-up degree on the capillary pressure curve, obtains according to the maximum value
To matrix pores volume account for the rock sample to be measured total pore size volume percentage；
Wherein, VpFor the total pore size volume of rock sample to be measured；VbFor the volume of rock sample to be measured；For the gas orifice of rock sample to be measured
Porosity.
In one embodiment, the gaseous porosity of rock sample to be measured is measured using helium method, comprising:
The rock sample to be measured is put into sample room, and helium is inputted into reference cell, the indoor pressure of reference is made to reach default
Pressure P1, it is connected to the reference cell and sample room, the indoor pressure of reference is measured after the pressure balance of reference cell and sample room
P2；
According to the volume of the reference cell, the volume of sample room, preset pressure P1And pressure P2Calculate particle in rock sample to be measured
Volume；
The gaseous porosity of rock sample to be measured is calculated according to the volume of particle in the rock sample to be measured and the volume of rock sample to be measured:
Wherein,For the gaseous porosity of rock sample to be measured；VgFor the volume of particle in rock sample to be measured.
In one embodiment, according to the volume of the reference cell, the volume of sample room, preset pressure P1, pressure P2Calculate to
Survey the volume of particle in rock sample, comprising:
By the volume of the reference cell, preset pressure P1And pressure P2Boyle formula is substituted into, middle volume variable is calculated；
According to the volume of the sample room, the volume of reference cell and the middle volume variable, rock sample to be measured is calculated
The volume of middle particle.
In one embodiment, the predetermined pressure P1Value range be [690kPa, 1380kPa].
In one embodiment, the pore volume of the rock sample to be measured is accounted for according to the volume that the maximum value obtains matrix pores
Long-pending percentage, comprising: poor with maximum value work with 100%, the volume for obtaining matrix pores accounts for the total of the rock sample to be measured
The percentage of pore volume.
In one embodiment, the analysis method further include:
The geometric dimension of rock sample to be measured is obtained, and calculates the volume of the rock sample to be measured according to the geometric dimension.
In one embodiment, before the geometric dimension for obtaining rock sample to be measured, the analysis method further include: by rock to be measured
Sample cleans up and drying to constant weight.
In one embodiment, the non-wetted phase liquid is mercury.
The pore size of matrix pores is only capable of measuring for scanning electron microscope method and can not calculate the volume hundred of matrix pores
Divide the problem of ratio, the present invention is combined using helium method and mercury injection method can accurately calculate entire block rock sample mesostroma hole institute
The percent by volume accounted for, so that it is determined that matrix pores preserve the ability of natural gas.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the process signal for the analysis method that densification of embodiment of the present invention basement rock mesostroma hole preserves natural gas ability
Figure；
Fig. 2 is the flow diagram for the gaseous porosity that the embodiment of the present invention measures rock sample to be measured using helium method；
Fig. 3 is the capillary pressure curve of 105 four basement rock samples of well of the Caidamu Basin of embodiment of the present invention Dong Ping.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is the process signal for the analysis method that densification of embodiment of the present invention basement rock mesostroma hole preserves natural gas ability
Figure.As shown in Figure 1, the analysis method mainly comprises the steps that
Step S1, the gaseous porosity of rock sample to be measured is measured using helium method.
Rock sample to be measured is derived from fine and close basement rock, it includes the biggish other holes of the minimum matrix pores in aperture and aperture,
In, the minimum matrix pores in above-mentioned aperture are mainly used for preserving natural gas, to know ability that rock sample to be measured preserves natural gas,
The volume of volume or matrix pores that matrix pores need to be obtained accounts for the percentage of rock sample total pore size volume to be measured.
It also include biggish other class type holes since the total pore size volume of rock sample to be measured includes the pore volume of matrix pores
The volume of gap can the minimum matrix of entrance aperture under a certain pressure since helium atom radius is small and chemical property is stablized
Hole, therefore use helium method measures the gaseous porosity of cylindric rock sample.It, can to obtain higher accuracy in measurement
It is averaged based on duplicate measurements.
Step S2, the total pore space of rock sample to be measured is calculated according to the gaseous porosity that the volume of rock sample to be measured and step S1 are obtained
Volume:
In formula (1), VpFor the total pore size volume of rock sample to be measured；VbFor the volume of rock sample to be measured；For the gas of rock sample to be measured
Porosity.
Step S3, non-wetted phase liquid is injected to rock sample to be measured, and is gradually increased injection pressure, until non-wetted phase liquid
Saturation degree do not increase with the increase of pressure value, wherein above-mentioned saturation degree is calculated by the total pore size volume.
In the present invention, it is only illustrated, but is not limited thereto using non-wetted phase liquid as mercury.
Mercury is injected into rock sample to be measured, and is gradually increased injection pressure, records pressure by PiRise to Pi+1When into mercury quantity Bi
And Bi+1, and according to formula (2), corresponding mercury saturation degree increment △ S is calculated in conjunction with the total pore size volume of rock sample to be measuredHg, until mercury
Saturation degree does not increase with the increase of pressure.
△SHg=[(Bi+1-Bi)-(Ki+1-Ki)×α]/Vp× 100% (2)
SHg=∑ △ SHg (3)
Wherein, △ SHgFor mercury saturation degree increment；BiAnd Bi+1It is respectively pressure by PiRise to Pi+1When into mercury quantity, mL；Ki
And Ki+1Be respectively pressure be PiAnd Pi+1When blank assay volume measured value, mL；α is the volume constant of instrument, i.e. pressure mercury
Volume change representated by instrument unit measure；SHgTo add up mercury saturation degree.
Step S4, the mapping of data cultellation is carried out according to the pressure value and its corresponding non-wetted phase hold-up degree, obtained
Obtain the capillary pressure curve of the rock sample to be measured.
When it is implemented, carrying out data cultellation according to the corresponding accumulative mercury saturation degree of above-mentioned each pressure value and the pressure value
Mapping, using accumulative mercury saturation degree as abscissa (from right to left for by 0 to 100%), using the logarithm of pressure value as ordinate, half
The relation curve of capillary pressure Yu mercury saturation degree, i.e. capillary pressure curve are drawn out on logarithmic plot.Due to step S3
The middle injection mercury into rock sample to be measured does not increase up to mercury saturation degree with the increase of pressure value, therefore, hair obtained in step S4
Capillary pressure curve can perpendicular propradation.
Step S5, the maximum value for reading the non-wetted phase hold-up degree on the capillary pressure curve, according to described
The volume that maximum value obtains matrix pores accounts for the percentage of the total pore size volume of the rock sample to be measured.
The present invention is combined using helium method and mercury injection method and can be accurately calculated shared by entire block rock sample mesostroma hole
Percent by volume, so that it is determined that matrix pores preserve the ability of natural gas.
In step sl, when measuring the gaseous porosity of rock sample to be measured using helium method, rock sample to be measured need to be obtained in advance
Geometric dimension, and calculate according to its geometric dimension the volume of rock sample to be measured.It drills through diameter when it is implemented, usually taking and is
2.50cm is highly the cylindric rock sample of 3.00~8.00cm, is weighed with physical balance and obtains the quality W (unit: g) of rock sample,
It with its geometric dimension of vernier caliper precise measurement, is averaged based on 5 times or more duplicate measurements, calculates the volume V of rock sampleb
(unit: mL).
Generally, before the geometric dimension for obtaining rock sample to be measured, the size of more accurate rock sample to be measured, is needed in order to obtain
By rock sample to be measured after drying to constant weight, then the physical parameters such as size for measuring rock sample to be measured.
After measurement obtains the physical parameters such as the size of rock sample to be measured, in the gas hole for measuring rock sample to be measured using step S1
When spending, it can be carried out according to step shown in Fig. 2:
S11, rock sample to be measured is put into sample room (the indoor pressure of sample is equal to atmospheric pressure at this time), and be correspondingly arranged
One reference cell, and helium is passed through into reference cell, until the indoor pressure of reference reaches preset pressure value P1.It connects
, it is connected to reference cell and sample room, the indoor helium of reference is expanded into sample room at this time, waits for a period of time, to reference cell
And the indoor pressure P of reference is measured after the pressure balance of sample room2。
Step S12, according to the volume of reference cell, the volume of sample room, preset pressure P1And pressure P2It calculates in rock sample to be measured
The volume V of particleg。
Step S13, according to the volume V of particle in rock sample to be measuredgAnd the volume V of rock sample to be measuredbCalculate the gas of rock sample to be measured
Porosity:
In formula,For the gaseous porosity of rock sample to be measured；VgFor the volume of particle in rock sample to be measured.
It in step s 12, can be first by the volume of the reference cell, preset pressure P1And pressure P2Boyle formula is substituted into,
Calculate a middle volume variable V2:
P1V1=P2V2 (5)
In formula, V1For reference building volume；P1For preset pressure；That is reference cell initial pressure；P2Connect for reference cell and sample room
Pressure after logical, the pressure phase after reference cell is connected to sample room, in the matrix pores of sample room, reference cell and rock sample to be measured
Deng being equal to P2；V2For middle volume variable, V2=V1+Vc- Vg, i.e. V2It is subtracted for reference building volume sample-adding product building volume to be measured
The volume of particle, V in rock samplecFor sample building volume.
According to the volume of sample room, the volume of reference cell and above-mentioned middle volume variable, it is calculated in rock sample to be measured
The volume V of graing, i.e. Vg=V1+Vc- V2。
Under normal conditions, the predetermined pressure P achieved when being passed through helium into reference cell1Generally [690kPa,
1380kPa] interior value.
The maximum value that mercury saturation degree can be directly read on the capillary pressure curve that step S4 is obtained with 100% and is somebody's turn to do
Maximum value make it is poor, can be obtained matrix pores volume account for rock sample to be measured total pore size volume percentage.
The present invention is combined using helium method and mercury injection method and can be accurately calculated shared by entire block rock sample mesostroma hole
Percent by volume, so that it is determined that matrix pores preserve the ability of natural gas.
Fine and close basement rock mesostroma hole for a better understanding of the present invention preserve natural gas ability analysis method and its
Beneficial effect is illustrated below with reference to specific example.
By taking 105 well of Caidamu Basin Dong Ping as an example, it is highly 3.00~8.00cm that it is 2.54cm that diameter is drilled through in the well
Cylindric rock sample amount to four samples, these rock samples are cleaned up and be dried to it is horizontal heavy, with vernier caliper precise measurement its
Geometric dimension.Then, the total porosity point of No. 1 sample of helium method precise measurement, No. 2 samples, No. 3 samples and No. 4 samples is utilized
Not Wei 4.3%, 2%, 2.7% and 4.8%, recycle step S2~S4 obtains the capillary pressure curve of each rock sample respectively, such as
Shown in Fig. 3.Can be read from Fig. 3 each sample it is maximum into mercury saturation degree be respectively 61.7%, 59.3%, 54.1% and
50.7%, thus calculate matrix pores in each sample the percentage that rock sample accounts for total pore size volume be respectively 38.3%,
40.7%, 45.9% and 49.3%.
The pore size of matrix pores is only capable of measuring for scanning electron microscope method and can not calculate the volume hundred of matrix pores
Divide the problem of ratio, the method for the present invention is combined using helium method and mercury injection method can accurately calculate entire block rock sample mesostroma hole
Percent by volume shared by gap, so that it is determined that matrix pores preserve the ability of natural gas.This research achievement shows matrix hole
Gap plays key player in eastern level ground Gas Fields reservoir space type, thus predicts eastern level ground Gas Fields energy continuously steady production, right
It formulates development plan and plays directive function.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (8)
1. the analysis method that a kind of densification basement rock mesostroma hole preserves natural gas ability, which is characterized in that the analysis method
Include:
The gaseous porosity of rock sample to be measured is measured using helium method；
The total pore size volume of the rock sample to be measured is calculated according to the volume of the rock sample to be measured and the gaseous porosity:
Non-wetted phase liquid is injected to the rock sample to be measured, and is gradually increased injection pressure, until the saturation of non-wetted phase liquid
Degree does not increase with the increase of pressure value, wherein the saturation degree is calculated by the total pore size volume；
The mapping of data cultellation is carried out according to the pressure value and its saturation degree of corresponding non-wetted phase liquid, is obtained described to be measured
The capillary pressure curve of rock sample, the perpendicular propradation of the capillary pressure curve；
The maximum value for reading the non-wetted phase hold-up degree on the capillary pressure curve, obtains base according to the maximum value
The volume of matter hole accounts for the percentage of the total pore size volume of the rock sample to be measured；
Wherein, VpFor the total pore size volume of rock sample to be measured；VbFor the volume of rock sample to be measured；For the gaseous porosity of rock sample to be measured.
2. densification basement rock mesostroma hole according to claim 1 preserves the analysis method of natural gas ability, feature exists
In measuring the gaseous porosity of rock sample to be measured using helium method, comprising:
The rock sample to be measured is put into sample room, and helium is inputted into reference cell, the indoor pressure of reference is made to reach preset pressure
P1, it is connected to the reference cell and sample room, the indoor pressure P of reference is measured after the pressure balance of reference cell and sample room2；
According to the volume of the reference cell, the volume of sample room, preset pressure P1And pressure P2Calculate the body of particle in rock sample to be measured
Product；
The gaseous porosity of rock sample to be measured is calculated according to the volume of particle in the rock sample to be measured and the volume of rock sample to be measured:
Wherein,For the gaseous porosity of rock sample to be measured；VgFor the volume of particle in rock sample to be measured.
3. densification basement rock mesostroma hole according to claim 2 preserves the analysis method of natural gas ability, feature exists
According to the volume of the reference cell, the volume of sample room, preset pressure P1, pressure P2Calculate the body of particle in rock sample to be measured
Product, comprising:
By the volume of the reference cell, preset pressure P1And pressure P2Boyle formula is substituted into, middle volume variable is calculated；
According to the volume of the sample room, the volume of reference cell and the middle volume variable, it is calculated in rock sample to be measured
The volume of grain.
4. densification basement rock mesostroma hole according to claim 2 preserves the analysis method of natural gas ability, feature exists
In the preset pressure P1Value range be [690kPa, 1380kPa].
5. densification basement rock mesostroma hole according to claim 1 preserves the analysis method of natural gas ability, feature exists
In accounting for the percentage of the total pore size volume of the rock sample to be measured according to the volume that the maximum value obtains matrix pores, comprising: use
100% with the maximum value make it is poor, obtain matrix pores volume account for the rock sample to be measured total pore size volume percentage.
6. densification basement rock mesostroma hole according to claim 1 preserves the analysis method of natural gas ability, feature exists
In the analysis method further include:
The geometric dimension of rock sample to be measured is obtained, and calculates the volume of the rock sample to be measured according to the geometric dimension.
7. densification basement rock mesostroma hole according to claim 6 preserves the analysis method of natural gas ability, feature exists
In, before the geometric dimension for obtaining rock sample to be measured, the analysis method further include: rock sample to be measured is cleaned up and is dried to
Constant weight.
8. densification basement rock mesostroma hole according to claim 1-7 preserves the analysis method of natural gas ability,
It is characterized in that, the non-wetted phase liquid is mercury.
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| CN105974092A (en) * | 2016-07-08 | 2016-09-28 | 重庆科技学院 | Method for full-dimension representation and analysis of dense reservoir pore throats |
| CN106908371B (en) * | 2017-04-05 | 2019-08-27 | 中国石油化工股份有限公司石油勘探开发研究院 | A kind of shale storage and collection performance measuring device and method |
| CN108896462A (en) * | 2018-05-16 | 2018-11-27 | 中国石油天然气股份有限公司 | A kind of conglomerate porosity determination method |
| CN108956422B (en) * | 2018-07-18 | 2019-05-10 | 中国石油大学(华东) | A kind of porosity experimental measurement method of compact reservoir |
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| FR2853071B1 (en) * | 2003-03-26 | 2005-05-06 | Inst Francais Du Petrole | METHOD AND DEVICE FOR EVALUATING PHYSICAL PARAMETERS OF A UNDERGROUND DEPOSIT FROM ROCK DEBRIS WHICH ARE TAKEN THEREFROM |
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| CN105181547A (en) * | 2015-08-05 | 2015-12-23 | 中国石油天然气股份有限公司 | Analysis method for reservoir diplopore system relative reservoir capability and analysis device |
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