Liquid Storage Characteristics of Nanoporous Particles in Shale: Rigorous Proof
Different from conventional reservoirs, a significant proportion of oil is in an adsorbed or even immobile state in shale and tight rocks. There are established comprehensive mathematical models quantifying the adsorbed, immobile, and free oil contents in shale rocks. However, the conclusions of the...
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-10-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/12/20/3985 |
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| author | Jiangfeng Cui Long Cheng |
| author_facet | Jiangfeng Cui Long Cheng |
| author_sort | Jiangfeng Cui |
| collection | DOAJ |
| description | Different from conventional reservoirs, a significant proportion of oil is in an adsorbed or even immobile state in shale and tight rocks. There are established comprehensive mathematical models quantifying the adsorbed, immobile, and free oil contents in shale rocks. However, the conclusions of the monotonicity of the complicated models from sensitivity analysis might not be universal, and rigorous mathematical derivation is needed to demonstrate their rationale. In this paper, the models for oil/water storage in the nanoporous grains in shale, i.e., kerogen and clay, are achieved based on the aforementioned storage models. Rigorous analytical derivations are employed to strictly prove the monotonicity of the immobile and adsorbed models, which is the main purpose of this work. This work expands the applicability of the storage models, is fundamental and important for mobility analysis in shale reservoirs, and can shed light on its efficient exploration and development. |
| first_indexed | 2024-04-11T13:36:50Z |
| format | Article |
| id | doaj.art-c34c2aa2153b493b9c44e87ce214736d |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-04-11T13:36:50Z |
| publishDate | 2019-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-c34c2aa2153b493b9c44e87ce214736d2022-12-22T04:21:27ZengMDPI AGEnergies1996-10732019-10-011220398510.3390/en12203985en12203985Liquid Storage Characteristics of Nanoporous Particles in Shale: Rigorous ProofJiangfeng Cui0Long Cheng1School of Petroleum Engineering, China University of Petroleum (East China), Qingdao 266000, ChinaSchool of Geosciences, University of Science and Technology of China, Hefei 230026, ChinaDifferent from conventional reservoirs, a significant proportion of oil is in an adsorbed or even immobile state in shale and tight rocks. There are established comprehensive mathematical models quantifying the adsorbed, immobile, and free oil contents in shale rocks. However, the conclusions of the monotonicity of the complicated models from sensitivity analysis might not be universal, and rigorous mathematical derivation is needed to demonstrate their rationale. In this paper, the models for oil/water storage in the nanoporous grains in shale, i.e., kerogen and clay, are achieved based on the aforementioned storage models. Rigorous analytical derivations are employed to strictly prove the monotonicity of the immobile and adsorbed models, which is the main purpose of this work. This work expands the applicability of the storage models, is fundamental and important for mobility analysis in shale reservoirs, and can shed light on its efficient exploration and development.https://www.mdpi.com/1996-1073/12/20/3985shalestoragenanoporousclaykerogen |
| spellingShingle | Jiangfeng Cui Long Cheng Liquid Storage Characteristics of Nanoporous Particles in Shale: Rigorous Proof Energies shale storage nanoporous clay kerogen |
| title | Liquid Storage Characteristics of Nanoporous Particles in Shale: Rigorous Proof |
| title_full | Liquid Storage Characteristics of Nanoporous Particles in Shale: Rigorous Proof |
| title_fullStr | Liquid Storage Characteristics of Nanoporous Particles in Shale: Rigorous Proof |
| title_full_unstemmed | Liquid Storage Characteristics of Nanoporous Particles in Shale: Rigorous Proof |
| title_short | Liquid Storage Characteristics of Nanoporous Particles in Shale: Rigorous Proof |
| title_sort | liquid storage characteristics of nanoporous particles in shale rigorous proof |
| topic | shale storage nanoporous clay kerogen |
| url | https://www.mdpi.com/1996-1073/12/20/3985 |
| work_keys_str_mv | AT jiangfengcui liquidstoragecharacteristicsofnanoporousparticlesinshalerigorousproof AT longcheng liquidstoragecharacteristicsofnanoporousparticlesinshalerigorousproof |