页岩油吸附与游离定量评价模型及微观赋存机制
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摘要
页岩油的赋存状态影响其可动性及可采性。为了定量评价不同赋存状态页岩油含量(吸附量与游离量)及其比例,建立了一系列数学模型,初步形成了页岩油吸附与游离定量评价理论框架,可用于分析:①非饱和吸附状态(0
The occurrence state of shale oil affects both its mobility and recoverability. In order to quantitatively evaluate the shale oil contents in different occurrence states( adsorbed and free) and their ratios,a series of mathematical models and a theoretical framework for quantitative evaluation of adsorbed and free shale oil were established. They can be used to evaluate: ①the contents of adsorbed and free single-component hydrocarbons under unsaturated adsorption conditions( 0 < p/p0< 1); ②the contents of adsorbed and free single-component hydrocarbons and mixed hydrocarbons( remaining oil) and their ratios under saturated adsorption conditions( p/p0≥1). The models have comprehensively taken into account the microscopic occurrence characteristics of shale oil( density of adsorbed and free phases,thickness of adsorbed phase),microscopic structure of shale pores( morphology,size,pore volume,specific surface area) and physical properties of shale reservoir( porosity,oil saturation,apparent density). According to the models and the target area of lacustrine shale oil in eastern China( a case study of Dongying sag),the microscopic occurrence mechanisms of shale oil are preliminarily revealed and the following understandings are obtained: ① the contents of adsorbed and free oil and their ratios are jointly controlled by multiple influential parameters; ② the impact of pore size is significant when the pore size is less than 50 nm or so,while when the pore diameter is larger than 50 nm or so,the impact is relatively weak,and the content of free oil depends on the volume of oil-bearing pores.
引文
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[12]陈小慧.页岩油赋存状态与资源量评价方法研究进展[J].科学技术与工程,2017,17(3):136-144.Chen Xiaohui. Advances in the research on the occurrence state and resources assessment of shale oil[J]. Science Technology and Engineering,2017,17(3):136-144.
[13]蒋启贵,黎茂稳,钱门辉,等.不同赋存状态页岩油定量表征技术与应用研究[J].石油实验地质,2016,8(6):842-849.Jiang Qigui,Li Maowen,Qian Menhui,et al. Quantitative characterization of shale oil in different occurrence states and its application[J]. Petroleum Geology&Experiment,2016,8(6):842-849.
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[16]张林晔,包友书,李钜源,等.湖相页岩中矿物和干酪根留油能力实验研究[J].石油实验地质,2015,37(6):776-780.Zhang Linye,Bao Youshu,Li Juyuan,et al. Hydrocarbon and crude oil adsorption abilities of minerals and kerogens in lacustrine shales[J]. Petroleum Geology&Experiment,2015,37(6):776-780.
[17] Li Z,Zou Y,Xu X,et al. Adsorption of mudstone source rock for shale oil-Experiments,model and a case study[J]. Organic Geochemistry,2016c,92:55-62.
[18] Pernyeszi T,Patzkó,Berkesi O,et al. Asphaltene adsorption on clays and crude oil reservoir rocks[J]. Colloids&Surfaces A:Physicochemical&Engineering Aspects,1998,137,373-384.
[19]王森,冯其红,查明,等.页岩有机质孔缝内液态烷烃赋存状态分子动力学模拟[J].石油勘探与开发,2015,42(6):772-778.Wang Sen,Feng Qihong,Zha Ming,et al. Molecular dynamics simulation of liquid alkane occurrence state in pores and fractures of shale organic matter[J]. Petroleum Exploration and Development,2015,42(6):772-778.
[20] Wang S,Feng Q,Javadpour F,et al. Oil adsorption in shale nanopores and its effect on recoverable oil-in-place[J]. International Journal of Coal Geology,2015,147-148:9-24.
[21] Tian S,Xue H,Lu S,et al. Molecular simulation of oil mixture adsorption character in shale system[J]. Journal of Nanoscience&Nanotechnology,2017a,17(9):6198-6209.
[22] Tian S,Erastova V,Lu S,et al. Understanding model crude oil component interactions on kaolinite silicate and aluminol surfaces:towards improved understanding of shale oil recovery[J]. Energy&Fuels,2017b,32(2):1155-1165.
[23] Li J,Lu S,Xie L,et al. Modeling of hydrocarbon adsorption on continental oil shale:a case study on n-alkane[J]. Fuel,2017,206:603-613.
[24] Falk K,Coasne B,Pellenq R,et al. Subcontinuum mass transport of condensed hydrocarbons in nanoporous media[J]. Nature Communications,2015,6:6949.
[25]卢双舫,黄文彪,陈方文,等.页岩油气资源分级评价标准探讨[J].石油勘探与开发,2012,39(2):249-256.Lu Shuangfang,Huang Wenbiao,Chen Fangwen,et al. Classification and evaluation criteria of shale oil and gas resources:Discussion and application[J]. Petroleum Exploration and Development,2012,39(2):249-256.
[26] Li J,Wang W,Cao Q,et al. Impact of hydrocarbon expulsion efficiency of continental shale upon shale oil accumulations in eastern China[J]. Marine&Petroleum Geology,2015,59(59):467-479.
[27]张林晔,包友书,李钜源,等.湖相页岩油可动性—以渤海湾盆地济阳坳陷东营凹陷为例[J].石油勘探与开发,2014,41(6):641-649.Zhang Linye Bao Youshu,Li Juyuan,et al. Movability of lacustrine shale oil:A case study of Dongying Sag,Jiyang Depression,Bohai Bay Basin[J]. Petroleum Exploration and Development,2014,41(6):641-649.
[28]李进步,卢双舫,陈国辉,等.热解参数S1的轻烃与重烃校正及其意义—以渤海湾盆地大民屯凹陷E2s4(2)段为例[J].石油与天然气地质,2016,37(4):538-545.Li Jinbu,Lu Shuangfang,Chen Guohui,et al. Correction of light heavy hydrocarbon loss for residual hydrocarbon S1and its significance to assessing resource potential of E2s4(2)member in Damintun Sag,Bohai Bay Basin[J]. Oil&Gas Geology,2016,37(4):538-545.
[29]薛海涛,田善思,王伟明,等.页岩油资源评价关键参数—含油率的校正[J].石油与天然气地质,2016,37(1):15-22.Xue Haitao,Tian Shansi,Wang Weiming,et al. Correction of oil content-one key parameter in shale oil resource assessment[J].Oil&Gas Geology,2016,37(1):15-22.
[30]卢双舫,陈国辉,王民,等.辽河坳陷大民屯凹陷沙河街组四段页岩油富集资源潜力评价[J].石油与天然气地质,2016,37(1):8-14.Lu Shuangfang,Chen Guohui,Wang Min,et al. Potential evaluation of enriched shale oil resource of Member 4 of the Shahejie Formation in the Damintun Sag,Liaohe Depression[J]. Oil&Gas Geology,2016,37(1):8-14.
[31] Li J,Wang S,Lu S,et al. Microdistribution and mobility of water in gas shale:A theoretical and experimental study[J]. Marine and Petroleum Geology,2019,102:496-507.
[32] Li J,Zhang P,Lu S,et al. Microstructural characterization of the clay-rich oil shales by nuclear magnetic resonance(NMR)[J].Journal of Nanoscience&Nanotechnology,2017,17(9):7026-7034.
[33] Zhang P,Lu S,Li J,et al. Petrophysical characterization of oil-bearing shales by low-field nuclear magnetic resonance(NMR)[J]. Marine&Petroleum Geology,2018,89:775-785.
[34] Li J,Lu S,Cai J,et al. Adsorbed and free oil in lacustrine nanoporous shale:a theoretical model and a case study[J]. Energy&Fuels,2018,32(12):12247-12258.
[2]邹才能,杨智,崔景伟,等.页岩油形成机制、地质特征及发展对策[J].石油勘探与开发,2013,40(1):14-26.Zou Caineng,Yang Zhi,Cui Jingwei et al. Formation mechanism,geological characteristics and development strategy of nonmarine shale oil in China[J]. Petroleum Exploration and Development,2013,40(1):14-26.
[3]张林晔,李锯源,李政,等.北美页岩油气研究进展及对中国陆相页岩油气勘探的思考[J].地球科学进展,2014,29(6):700-711.Zhang Linye,Li Juyuan,Li Zheng,et al. Advances in shale oil/gas research in North America and considerations on exploration for continental shale oil/gas in China[J]. Advances in Earth Science,2014,29(6):700-711.
[4]宋国奇,徐兴友,李政,等.济阳坳陷古近系陆相页岩油产量的影响因素[J].石油与天然气地质,2015,36(3):463-471.Song Guoqi,Xu Xingyou,Li Zheng,et al. Factors controlling oil production from Paleogene shale in Jiyang depression[J]. Oil&Gas Geology,2015,36(3):463-471.
[5]卢双舫,薛海涛,王民,等.页岩油评价中的若干关键问题及研究趋势[J].石油学报,2016,37(10):1309-1322.Lu Shuangfang,Xue Haitao,Wang Min,et al. Several key issues and research trends in evaluation of shale oil[J]. Acta Petrolei Sinica,2016,37(10):1309-1322.
[6]王勇,刘惠民,宋国奇,等.济阳坳陷页岩油富集要素与富集模式研究[J].高校地质学报,2017,23(2):268-276.Wang Yong,Liu Huimin,Song Guoqi,et al. Enrichment controls and models of shale oil in the Jiyang Depression,Bohai Bay Basin[J]. Geological Journal of China Universities,2017,23(2):268-276.
[7]卢双舫,李俊乾,张鹏飞,等.页岩油储集层微观孔喉分类与分级评价[J].石油勘探与开发,2018,45(3):436-444.Lu Shuangfang,Li Junqian,Zhang Pengfei,et al. Classification of microscopic pore-throats and the grading evaluation on shale oil reservoirs[J]. Petroleum Exploration and Development,2018,45(3):436-444.
[8]贾承造,邹才能,李建忠,等.中国致密油评价标准、主要类型、基本特征及资源前景[J].石油学报,2012,33(3):343-350.Jia Chengzao,Zou Caineng,Li Jianzhong,et al. Assessment criteria,main types,basic features and resource prospects of the tight oil in China[J]. Acta Petrolei Sinica,2012,33(3):343-350.
[9]宁方兴,王学军,郝雪峰,等.济阳坳陷不同岩相页岩油赋存机理[J].石油学报,2017,38(2):187-195.Ning Fangxing,Wang Xuejun,Hao Xuefeng,et al. Occurrence mechanism of shale oil with different lithofacies in Jiyang depression[J].Acta Petrolei Sinica,2017,38(2):187-195.
[10]宁方兴,王学军,郝雪峰,等.济阳坳陷页岩油赋存状态和可动性分析[J].新疆石油天然气,2015,11(3):1-5.Ning Fangxing,Wang Xuejun,Hao Xuefeng,et al. An analysis on occurrence state and mobility of shale oil in Jiyang depression[J]. Xinjiang Oil&Gas,2015,11(3):1-5.
[11]钱门辉,蒋启贵,黎茂稳,等.湖相页岩不同赋存状态的可溶有机质定量表征[J].石油实验地质. 2017. 39(2):278-286.Qian Menhui,Jiang Qigui,Li Maowen,et al. Quantitative characterization of extractable organic matter in lacustrine shale with different occurrences[J]. Petroleum Geology&Experiment,2017. 39(2):278-286.
[12]陈小慧.页岩油赋存状态与资源量评价方法研究进展[J].科学技术与工程,2017,17(3):136-144.Chen Xiaohui. Advances in the research on the occurrence state and resources assessment of shale oil[J]. Science Technology and Engineering,2017,17(3):136-144.
[13]蒋启贵,黎茂稳,钱门辉,等.不同赋存状态页岩油定量表征技术与应用研究[J].石油实验地质,2016,8(6):842-849.Jiang Qigui,Li Maowen,Qian Menhui,et al. Quantitative characterization of shale oil in different occurrence states and its application[J]. Petroleum Geology&Experiment,2016,8(6):842-849.
[14] Jarvie D M. Components and processes affecting producibility and commerciality of shale resource systems[J]. Geologica Acta,2014,12(4):307-325.
[15] Ribeiro R C,Correia J C G,Seidl P R. The influence of different minerals on the mechanical resistance of asphalt mixtures[J]. Journal of Petroleum Science&Engineering,2009,65(3-4):171-174.
[16]张林晔,包友书,李钜源,等.湖相页岩中矿物和干酪根留油能力实验研究[J].石油实验地质,2015,37(6):776-780.Zhang Linye,Bao Youshu,Li Juyuan,et al. Hydrocarbon and crude oil adsorption abilities of minerals and kerogens in lacustrine shales[J]. Petroleum Geology&Experiment,2015,37(6):776-780.
[17] Li Z,Zou Y,Xu X,et al. Adsorption of mudstone source rock for shale oil-Experiments,model and a case study[J]. Organic Geochemistry,2016c,92:55-62.
[18] Pernyeszi T,Patzkó,Berkesi O,et al. Asphaltene adsorption on clays and crude oil reservoir rocks[J]. Colloids&Surfaces A:Physicochemical&Engineering Aspects,1998,137,373-384.
[19]王森,冯其红,查明,等.页岩有机质孔缝内液态烷烃赋存状态分子动力学模拟[J].石油勘探与开发,2015,42(6):772-778.Wang Sen,Feng Qihong,Zha Ming,et al. Molecular dynamics simulation of liquid alkane occurrence state in pores and fractures of shale organic matter[J]. Petroleum Exploration and Development,2015,42(6):772-778.
[20] Wang S,Feng Q,Javadpour F,et al. Oil adsorption in shale nanopores and its effect on recoverable oil-in-place[J]. International Journal of Coal Geology,2015,147-148:9-24.
[21] Tian S,Xue H,Lu S,et al. Molecular simulation of oil mixture adsorption character in shale system[J]. Journal of Nanoscience&Nanotechnology,2017a,17(9):6198-6209.
[22] Tian S,Erastova V,Lu S,et al. Understanding model crude oil component interactions on kaolinite silicate and aluminol surfaces:towards improved understanding of shale oil recovery[J]. Energy&Fuels,2017b,32(2):1155-1165.
[23] Li J,Lu S,Xie L,et al. Modeling of hydrocarbon adsorption on continental oil shale:a case study on n-alkane[J]. Fuel,2017,206:603-613.
[24] Falk K,Coasne B,Pellenq R,et al. Subcontinuum mass transport of condensed hydrocarbons in nanoporous media[J]. Nature Communications,2015,6:6949.
[25]卢双舫,黄文彪,陈方文,等.页岩油气资源分级评价标准探讨[J].石油勘探与开发,2012,39(2):249-256.Lu Shuangfang,Huang Wenbiao,Chen Fangwen,et al. Classification and evaluation criteria of shale oil and gas resources:Discussion and application[J]. Petroleum Exploration and Development,2012,39(2):249-256.
[26] Li J,Wang W,Cao Q,et al. Impact of hydrocarbon expulsion efficiency of continental shale upon shale oil accumulations in eastern China[J]. Marine&Petroleum Geology,2015,59(59):467-479.
[27]张林晔,包友书,李钜源,等.湖相页岩油可动性—以渤海湾盆地济阳坳陷东营凹陷为例[J].石油勘探与开发,2014,41(6):641-649.Zhang Linye Bao Youshu,Li Juyuan,et al. Movability of lacustrine shale oil:A case study of Dongying Sag,Jiyang Depression,Bohai Bay Basin[J]. Petroleum Exploration and Development,2014,41(6):641-649.
[28]李进步,卢双舫,陈国辉,等.热解参数S1的轻烃与重烃校正及其意义—以渤海湾盆地大民屯凹陷E2s4(2)段为例[J].石油与天然气地质,2016,37(4):538-545.Li Jinbu,Lu Shuangfang,Chen Guohui,et al. Correction of light heavy hydrocarbon loss for residual hydrocarbon S1and its significance to assessing resource potential of E2s4(2)member in Damintun Sag,Bohai Bay Basin[J]. Oil&Gas Geology,2016,37(4):538-545.
[29]薛海涛,田善思,王伟明,等.页岩油资源评价关键参数—含油率的校正[J].石油与天然气地质,2016,37(1):15-22.Xue Haitao,Tian Shansi,Wang Weiming,et al. Correction of oil content-one key parameter in shale oil resource assessment[J].Oil&Gas Geology,2016,37(1):15-22.
[30]卢双舫,陈国辉,王民,等.辽河坳陷大民屯凹陷沙河街组四段页岩油富集资源潜力评价[J].石油与天然气地质,2016,37(1):8-14.Lu Shuangfang,Chen Guohui,Wang Min,et al. Potential evaluation of enriched shale oil resource of Member 4 of the Shahejie Formation in the Damintun Sag,Liaohe Depression[J]. Oil&Gas Geology,2016,37(1):8-14.
[31] Li J,Wang S,Lu S,et al. Microdistribution and mobility of water in gas shale:A theoretical and experimental study[J]. Marine and Petroleum Geology,2019,102:496-507.
[32] Li J,Zhang P,Lu S,et al. Microstructural characterization of the clay-rich oil shales by nuclear magnetic resonance(NMR)[J].Journal of Nanoscience&Nanotechnology,2017,17(9):7026-7034.
[33] Zhang P,Lu S,Li J,et al. Petrophysical characterization of oil-bearing shales by low-field nuclear magnetic resonance(NMR)[J]. Marine&Petroleum Geology,2018,89:775-785.
[34] Li J,Lu S,Cai J,et al. Adsorbed and free oil in lacustrine nanoporous shale:a theoretical model and a case study[J]. Energy&Fuels,2018,32(12):12247-12258.
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