CN106940279B - A method of evaluation shale reservoir preservation absorption tolerance - Google Patents
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Abstract
A method of evaluation shale reservoir preservation absorption tolerance belongs to petroleum exploration and development technical field.The problem of this method can evaluate shale reservoir preservation ADSORPTION STATE shale tolerance under different temperatures, pressure, make up live rock core parsing at present and adsorption isotherm experiment somewhat expensive.Steps of the method are: 1) pass through each component institute area coverage in different pore size hole in multiple dimensioned argon ion polishing-scanning electron microscope imaging method unit of analysis quality mud shale sample；2) molecular simulation constructs a series of single pore model of the various components covering internal pore surface of different pore sizes；3) molecular simulation calculates the thickness and density of the various mineral single hole gap mold inner surfaces ADSORPTION STATE methane under different temperatures, pressure condition；4) in conjunction with various mineral single hole gap mold inner surfaces ADSORPTION STATE methane thickness, density under the covered surface area of each component in different pore size hole in mud shale sample and different temperatures, pressure, shale reservoir preservation absorption tolerance under relevant temperature, pressure condition is calculated.
Description
Technical field
The present invention relates to a kind of methods for evaluating shale reservoir preservation absorption tolerance, belong to petroleum exploration and development technology neck
Domain.
Background technique
Shale gas be main body with adsorb and free state preservation in hydrocarbon generation capacity mud stone and the stratum such as shale in
Gas accumulation, suction-operated are one of the important mechanisms of shale gas preservation.Domestic and foreign scholars generally believe in mud shale at present
Adsorbed gas content at least accounts for the 40% of the total air content of mud shale, and adsorbed gas has very important make to the contribution of shale gas stock number
With.Mud shale ADSORPTION STATE shale tolerance directly affects shale reservoir air content, is calculating shale gas stock number, preferably advantageous
Area and the important evaluation parameter for formulating shale gas well development scheme.The experimental method for analyzing mud shale absorption tolerance is mainly used for reference
Study the adsorption isotherm experiment of coal bed gas.Adsorption isotherm experiment is the high pressure isothermal adsorption test for quoting GB/T 9560-2004 coal
Method, the ability of evaluation mud shale absorption shale gas.Adsorption isotherm experiment is to set the shale samples of certain particle size (60-80 mesh)
In sealing container, the test such as adsorbed methane when it reaches adsorption equilibrium under the conditions of mutually synthermal, different pressures is measured
The volume of gas；Then according to Langmuir mono molecule layer adsorption, go out to characterize mud shale to methane etc. by theoretical calculation
The Lan Shi volume V of test gas characterization of adsorptionL, Lan Shi pressure PLAnd adsorption isothermal curve.Other than adsorption isotherm experiment, page
Rock gas exploration research aspect is also using quantitative assessments shale reservoir preservation absorption such as the parsing experiment of rock core scene and well log interpretations
Tolerance.But the analysis cost of three kinds of methods such as adsorption isotherm experiment, the parsing experiment of rock core scene and well log interpretation is relatively
Valuableness, first two method needs carry out coring operation in drilling well, and well log interpretation evaluates mud shale and adsorbs shale gas capability approach
Core technology monopolize in the trans-corporations such as Schlumberger hand.
For this purpose, the present invention determines unit mass mud shale sample by multiple dimensioned argon ion polishing-scanning electron microscope imaging method
Each component institute area coverage in different pore size hole in product, binding molecule simulation calculate various under different temperatures, pressure condition
The thickness and density of the single hole gap mold inner surfaces ADSORPTION STATE methane of component is evaluated mud shale under different temperatures, pressure condition and is stored up
The method of layer preservation absorption tolerance.This method is easily operated, low-cost.
Summary of the invention
The object of the present invention is to provide a kind of methods for evaluating shale reservoir preservation absorption tolerance, realize to not equality of temperature
The quantitative assessment of shale reservoir preservation absorption tolerance under degree, pressure condition.Overcome the prior art, method complicated for operation and expense
High disadvantage.
The technical solution adopted by the present invention is that: the method for evaluation shale reservoir preservation absorption tolerance, it is characterised in that:
Step 1: by having in multiple dimensioned argon ion polishing-scanning electron microscope imaging method unit of analysis quality mud shale sample
Machine matter, illite, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite covering
The internal pore surface area S of different pore sizeOrganic matter i、SIllite i、SIllite/smectite mixed layer i、SMontmorillonite i、SChlorite i、SKaolinite i、SQuartzy i、SFeldspar i、SCalcite i、
SDolomite i、SPyrite i, the unit of the internal pore surface area of various component covering different pore sizes is nm2/ g, i=1,2,3 ..., n, be
The number in aperture, dimensionless group；
Step 2: utilizing Molecular Simulation Technique, building aperture is DiAnd respectively by organic matter, illite, illite/smectite mixed layer,
Montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite cover the single hole gap mould of internal pore surface
Type, the unit in aperture are nm, i=1,2,3 ..., n, be the number in aperture, dimensionless group；
Step 3: being T in temperaturej, pressure PkUnder the conditions of, molecular simulation calculate respectively by organic matter, illite, she deceives people
Layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite cover table in the hole of different pore size
The thickness h of the single hole gap model preservation ADSORPTION STATE methane in faceOrganic matter ijk、hIllite ijk、hIllite/smectite mixed layer ijk、hMontmorillonite ijk、hChlorite ijk、
hKaolinite ijk、hQuartzy ijk、hFeldspar ijk、hCalcite ijk、hDolomite ijk、hPyrite ijkWith the density p of ADSORPTION STATE methaneOrganic matter ijk、ρIllite ijk、
ρIllite/smectite mixed layer ijk、ρMontmorillonite ijk、ρChlorite ijk、ρKaolinite ijk、ρQuartzy ijk、ρFeldspar ijk、ρCalcite ijk、ρDolomite ijk、ρPyrite ijk, the unit of temperature is K,
The unit of pressure is MPa, and the thickness unit of ADSORPTION STATE methane is nm, and the density unit of ADSORPTION STATE methane is g/nm3, i=1,2,
3 ..., n, be aperture number, dimensionless group, j=1,2,3 ..., m, be temperature number, dimensionless group, k=1,2,
3 ..., x is the number of pressure, dimensionless group；
Step 4: using step 1 and step 3 as a result, being calculated according to the following formula in temperature is Tj, pressure PkUnder the conditions of
Mud shale sample preservation adsorbed gas content
In formula, QjkTo be T in temperaturej, pressure PkUnder the conditions of mud shale sample preservation adsorbed gas content, unit m3/ t,
M is the molecular weight 16.04 of methane, dimensionless group, SOrganic matter i、SIllite i、SIllite/smectite mixed layer i、SMontmorillonite i、SChlorite i、SKaolinite i、SQuartzy i、SFeldspar i、
SCalcite i、SDolomite i、SPyrite iRespectively in unit mass mud shale sample aperture number be i internal pore surface organic matter, Erie
The area that stone, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite are covered,
Unit is nm2/ g, hOrganic matter ijk、hIllite ijk、hIllite/smectite mixed layer ijk、hMontmorillonite ijk、hChlorite ijk、hKaolinite ijk、hQuartzy ijk、hFeldspar ijk、hCalcite ijk、
hDolomite ijk、hPyrite ijkRespectively temperature is Tj, pressure PkUnder the conditions of the number of aperture constructed by molecular simulation be i organic matter,
Illite, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite list pore model
The thickness of inner surface preservation ADSORPTION STATE methane, unit nm, ρOrganic matter ijk、ρIllite ijk、ρIllite/smectite mixed layer ijk、ρMontmorillonite ijk、ρChlorite ijk、
ρKaolinite ijk、ρQuartzy ijk、ρFeldspar ijk、ρCalcite ijk、ρDolomite ijk、ρPyrite ijkRespectively temperature is Tj, pressure PkUnder the conditions of molecular simulation institute
Building aperture number be i organic matter, illite, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, Fang Xie
The density of stone, dolomite, pyrite single hole gap mold inner surfaces preservation ADSORPTION STATE methane, unit g/nm3, i=1,2,3 ...,
N, be aperture number, dimensionless group, j=1,2,3 ..., m, be temperature number, dimensionless group, k=1,2,3 ..., x,
For the number of pressure, dimensionless group；
Beneficial effects of the present invention: the method that the present invention evaluates shale reservoir preservation absorption tolerance is realized to difference
The quantitative assessment of shale reservoir preservation absorption tolerance under temperature, pressure condition, and the evaluation method is easily operated, expense is low
It is honest and clean, under the different temperatures evaluated, pressure condition shale reservoir preservation absorption tolerance be must in shale gas exploration and exploitation
The important parameter needed.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment:
Embodiment 1: as described in Figure 1, a method of evaluation shale reservoir preservation absorption tolerance contains following steps；
Step 1: by having in multiple dimensioned argon ion polishing-scanning electron microscope imaging method unit of analysis quality mud shale sample
Machine matter, illite, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite covering
The internal pore surface area S of different pore sizeOrganic matter i、SIllite i、SIllite/smectite mixed layer i、SMontmorillonite i、SChlorite i、SKaolinite i、SQuartzy i、SFeldspar i、SCalcite i、
SDolomite i、SPyrite i, the unit of the internal pore surface area of various component covering different pore sizes is nm2/ g, i=1,2,3 ..., n, be
The number in aperture, dimensionless group, n=8, analysis the results are shown in Table 1 in this embodiment.
Table 1
Step 2: utilizing Molecular Simulation Technique, building aperture is DiAnd respectively by organic matter, illite, illite/smectite mixed layer,
Montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite cover the single hole gap mould of internal pore surface
Type, the unit in aperture are nm, i=1,2,3 ..., n, be the number in aperture, dimensionless group；
Step 3: under the conditions of temperature is 330K, pressure is 20MPa, molecular simulation calculate respectively by organic matter, illite,
The hole of illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite covering different pore size
The thickness h of the single hole gap model preservation ADSORPTION STATE methane of gap inner surfaceOrganic matter ijk、hIllite ijk、hIllite/smectite mixed layer ijk、hMontmorillonite ijk、
hChlorite ijk、hKaolinite ijk、hQuartzy ijk、hFeldspar ijk、hCalcite ijk、hDolomite ijk、hPyrite ijkWith the density p of ADSORPTION STATE methaneOrganic matter ijk、
ρIllite ijk、ρIllite/smectite mixed layer ijk、ρMontmorillonite ijk、ρChlorite ijk、ρKaolinite ijk、ρQuartzy ijk、ρFeldspar ijk、ρCalcite ijk、ρDolomite ijk、ρPyrite ijk, the list of temperature
Position is K, and the unit of pressure is MPa, and the thickness unit of ADSORPTION STATE methane is nm, and the density unit of ADSORPTION STATE methane is g/nm3, i=
1,2,3 ..., n, is the number in aperture, dimensionless group, n=8, j=1, are the number of temperature, dimensionless ginseng in this embodiment
Number, k=1 are the number of pressure, dimensionless group, the internal pore surface for the various components covering different pore size that molecular simulation calculates
The thickness results of single hole gap model preservation ADSORPTION STATE methane be shown in Table 2, the various components that molecular simulation calculates cover different holes
The density result of the single hole gap model preservation ADSORPTION STATE methane of the internal pore surface of diameter is shown in Table 3.
Table 2
Table 3
Step 4: using step 1 and step 3 as a result, calculate according to the following formula temperature be 330K, pressure 20MPa
Under the conditions of mud shale sample preservation adsorbed gas content be 2.41m3/t。
In formula, QjkTo be T in temperaturej, pressure PkUnder the conditions of mud shale sample preservation adsorbed gas content, unit m3/ t,
M is the molecular weight 16.04 of methane, dimensionless group, SOrganic matter i、SIllite i、SIllite/smectite mixed layer i、SMontmorillonite i、SChlorite i、SKaolinite i、SQuartzy i、SFeldspar i、
SCalcite i、SDolomite i、SPyrite iRespectively in unit mass mud shale sample aperture number be i internal pore surface organic matter, Erie
The area that stone, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite are covered,
Unit is nm2/ g, hOrganic matter ijk、hIllite ijk、hIllite/smectite mixed layer ijk、hMontmorillonite ijk、hChlorite ijk、hKaolinite ijk、hQuartzy ijk、hFeldspar ijk、hCalcite ijk、
hDolomite ijk、hPyrite ijkRespectively temperature is Tj, pressure PkUnder the conditions of the number of aperture constructed by molecular simulation be i organic matter,
Illite, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite list pore model
The thickness of inner surface preservation ADSORPTION STATE methane, unit nm, ρOrganic matter ijk、ρIllite ijk、ρIllite/smectite mixed layer ijk、ρMontmorillonite ijk、ρChlorite ijk、
ρKaolinite ijk、ρQuartzy ijk、ρFeldspar ijk、ρCalcite ijk、ρDolomite ijk、ρPyrite ijkRespectively temperature is Tj, pressure PkUnder the conditions of molecular simulation institute
Building aperture number be i organic matter, illite, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, Fang Xie
The density of stone, dolomite, pyrite single hole gap mold inner surfaces preservation ADSORPTION STATE methane, unit g/nm3, in this embodiment
I=1,2,3 ..., n, be aperture number, dimensionless group, n=8, j=1, be temperature number, dimensionless group, k=1, for pressure
The number of power, dimensionless group.
Claims (1)
1. a kind of method for evaluating shale reservoir preservation absorption tolerance, it is characterised in that:
Step 1: by organic in multiple dimensioned argon ion polishing-scanning electron microscope imaging method unit of analysis quality mud shale sample
Matter, illite, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite covering are not
With the internal pore surface area S in apertureOrganic matter i、SIllite i、SIllite/smectite mixed layer i、SMontmorillonite i、SChlorite i、SKaolinite i、SQuartzy i、SFeldspar i、SCalcite i、
SDolomite i、SPyrite i, the unit of the internal pore surface area of various component covering different pore sizes is nm2/ g, i=1,2,3 ..., n, be
The number in aperture, dimensionless group；
Step 2: utilizing Molecular Simulation Technique, building aperture is DiAnd it is de- by organic matter, illite, illite/smectite mixed layer, illiteracy respectively
Stone, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite cover single pore model of internal pore surface, hole
The unit of diameter be nm, i=1,2,3 ..., n, be aperture number, dimensionless group；
Step 3: being T in temperaturej, pressure PkUnder the conditions of, molecular simulation calculate respectively by organic matter, illite, illite/smectite mixed layer,
Montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite cover the internal pore surface of different pore size
The thickness h of single hole gap model preservation ADSORPTION STATE methaneOrganic matter ijk、hIllite ijk、hIllite/smectite mixed layer ijk、hMontmorillonite ijk、hChlorite ijk、hKaolinite ijk、
hQuartzy ijk、hFeldspar ijk、hCalcite ijk、hDolomite ijk、hPyrite ijkWith the density p of ADSORPTION STATE methaneOrganic matter ijk、ρIllite ijk、ρIllite/smectite mixed layer ijk、
ρMontmorillonite ijk、ρChlorite ijk、ρKaolinite ijk、ρQuartzy ijk、ρFeldspar ijk、ρCalcite ijk、ρDolomite ijk、ρPyrite ijk, the unit of temperature is K, the list of pressure
Position is MPa, and the thickness unit of ADSORPTION STATE methane is nm, and the density unit of ADSORPTION STATE methane is g/nm3, i=1,2,3 ..., n, be
The number in aperture, dimensionless group, j=1,2,3 ..., m, be temperature number, dimensionless group, k=1,2,3 ..., x, for pressure
The number of power, dimensionless group；
Step 4: using step 1 and step 3 as a result, being calculated according to the following formula in temperature is Tj, pressure PkUnder the conditions of mud page
Rock sample product preservation adsorbed gas content
In formula, QjkTo be T in temperaturej, pressure PkUnder the conditions of mud shale sample preservation adsorbed gas content, unit m3/ t, M are
The molecular weight 16.04 of methane, dimensionless group, SOrganic matter i、SIllite i、SIllite/smectite mixed layer i、SMontmorillonite i、SChlorite i、SKaolinite i、SQuartzy i、SFeldspar i、
SCalcite i、SDolomite i、SPyrite iRespectively in unit mass mud shale sample aperture number be i internal pore surface organic matter, Erie
The area that stone, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite are covered,
Unit is nm2/ g, hOrganic matter ijk、hIllite ijk、hIllite/smectite mixed layer ijk、hMontmorillonite ijk、hChlorite ijk、hKaolinite ijk、hQuartzy ijk、hFeldspar ijk、hCalcite ijk、
hDolomite ijk、hPyrite ijkRespectively temperature is Tj, pressure PkUnder the conditions of the number of aperture constructed by molecular simulation be i organic matter,
Illite, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, calcite, dolomite, pyrite list pore model
The thickness of inner surface preservation ADSORPTION STATE methane, unit nm, ρOrganic matter ijk、ρIllite ijk、ρIllite/smectite mixed layer ijk、ρMontmorillonite ijk、ρChlorite ijk、
ρKaolinite ijk、ρQuartzy ijk、ρFeldspar ijk、ρCalcite ijk、ρDolomite ijk、ρPyrite ijkRespectively temperature is Tj, pressure PkUnder the conditions of molecular simulation institute
Building aperture number be i organic matter, illite, illite/smectite mixed layer, montmorillonite, chlorite, kaolinite, quartz, feldspar, Fang Xie
The density of stone, dolomite, pyrite single hole gap mold inner surfaces preservation ADSORPTION STATE methane, unit g/nm3, i=1,2,3 ...,
N, be aperture number, dimensionless group, j=1,2,3 ..., m, be temperature number, dimensionless group, k=1,2,3 ..., x,
For the number of pressure, dimensionless group.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912958A (en) * | 2020-08-24 | 2020-11-10 | 东北石油大学 | Method for detecting adsorption and free oil amount in shale inorganic mineral enriched oil |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007838B (en) * | 2017-11-28 | 2020-07-31 | 西安石油大学 | Method for determining diameter limit values of coal methane adsorption pores and free pores |
| CN109342288A (en) * | 2018-11-02 | 2019-02-15 | 中国石油天然气股份有限公司 | The characterizing method of shale reservoir hole |
| CN109540764B (en) * | 2018-12-13 | 2020-02-07 | 中国石油大学(华东) | Method for evaluating thickness and density of adsorbed methane in contribution pores of shale reservoir |
| CN110018293B (en) * | 2019-05-05 | 2021-09-21 | 西安石油大学 | Shale clay multiphase coupling methane gas content calculation method considering water sensitivity |
| CN110715879B (en) * | 2019-10-23 | 2021-03-12 | 成都理工大学 | Gas-water distribution-based method for evaluating micro-pore adsorption gas amount of highly-evolved shale reservoir |
| CN110849844B (en) * | 2019-11-21 | 2022-03-11 | 中国石油大学(华东) | Method for measuring thickness of adsorbed methane in pure mineral nanoscale cylindrical tube |
| CN111007233B (en) * | 2019-12-25 | 2022-03-11 | 西南石油大学 | Method for analyzing movement behavior of methane-carbon dioxide in micro pores of shale |
| CN112304843B (en) * | 2020-10-12 | 2022-09-30 | 四川省科源工程技术测试中心 | Quantitative characterization method for shale gas adsorption capacity in shale |
| CN113670960B (en) * | 2021-07-23 | 2021-12-28 | 西南石油大学 | Real shale gas adsorption capacity prediction method based on molecular simulation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512838A (en) * | 2013-09-18 | 2014-01-15 | 中国石油大学(华东) | Method for determining contribution of pores with different apertures in shale reservoir stratum to porosity |
| CN104458489A (en) * | 2014-12-03 | 2015-03-25 | 中国石油大学(北京) | Method and device for predicating adsorption gas content of mud shale |
| CN106568922A (en) * | 2016-10-19 | 2017-04-19 | 中国石油天然气股份有限公司 | Method for calculating adsorption gas content of shale under formation temperature and pressure condition |
-
2017
- 2017-05-18 CN CN201710350135.4A patent/CN106940279B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512838A (en) * | 2013-09-18 | 2014-01-15 | 中国石油大学(华东) | Method for determining contribution of pores with different apertures in shale reservoir stratum to porosity |
| CN104458489A (en) * | 2014-12-03 | 2015-03-25 | 中国石油大学(北京) | Method and device for predicating adsorption gas content of mud shale |
| CN106568922A (en) * | 2016-10-19 | 2017-04-19 | 中国石油天然气股份有限公司 | Method for calculating adsorption gas content of shale under formation temperature and pressure condition |
Non-Patent Citations (4)
| Title |
|---|
| A Study on Quantitative Characterization of Adsorption Capacity of Shale;Fang Zeng et al.;《Advanced Materials Research》;20131213;第868卷;第20-25页 |
| 应用氩离子抛光－扫描电镜方法研究四川九老洞组页岩微观孔隙特征;王羽等;《岩矿测试》;20150531;第34卷(第3期);第278-285页 |
| 页岩吸附模型及吸附气含气量计算方法进展;郭怀志等;《地球物理学进展》;20161231;第31卷(第3期);第1080-1087页 |
| 页岩孔隙结构扫描电镜分析方法研究;焦淑静等;《电子显微学报》;20121031;第31卷(第5期);第432-436页 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912958A (en) * | 2020-08-24 | 2020-11-10 | 东北石油大学 | Method for detecting adsorption and free oil amount in shale inorganic mineral enriched oil |
| CN111912958B (en) * | 2020-08-24 | 2021-04-16 | 东北石油大学 | Method for detecting adsorption and free oil amount in shale inorganic mineral enriched oil |
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Inventor after: Chen Fangwen Inventor after: Xiao Dianshi Inventor after: Zhao Hongqin Inventor after: Ding Xue Inventor after: Lu Shuangfang Inventor after: Xue Haitao Inventor after: Li Jijun Inventor after: Wang Min Inventor after: Wang Weiming Inventor after: Huang Wenbiao Inventor before: Chen Fangwen Inventor before: Ding Xue Inventor before: Lu Shuangfang Inventor before: Xue Haitao Inventor before: Li Jijun Inventor before: Wang Min Inventor before: Wang Weiming Inventor before: Huang Wenbiao Inventor before: Xiao Dianshi |