Stress sensitivity of tight reservoirs during pressure loading and unloading process
Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deform...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
CAO, Nai [verfasserIn] LEI, Gang [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2019 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Petroleum Exploration and Development - [Erscheinungsort nicht ermittelbar] : KeAi Communications Co., Ltd., 0000, 46, Seite 138-144 |
|---|---|
| Übergeordnetes Werk: |
volume:46 ; pages:138-144 |
| DOI / URN: |
10.1016/S1876-3804(19)30013-8 |
|---|
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ELV001764322 |
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| 520 | |a Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious. | ||
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10.1016/S1876-3804(19)30013-8 doi (DE-627)ELV001764322 (ELSEVIER)S1876-3804(19)30013-8 DE-627 ger DE-627 rda eng CAO, Nai verfasserin aut Stress sensitivity of tight reservoirs during pressure loading and unloading process 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious. tight reservoir stress sensitivity hysteresis permeability stress sensitivity laboratory experiment theoretical model LEI, Gang verfasserin aut Enthalten in Petroleum Exploration and Development [Erscheinungsort nicht ermittelbar] : KeAi Communications Co., Ltd., 0000 46, Seite 138-144 Online-Ressource (DE-627)1760627542 (DE-600)3071667-6 1876-3804 nnns volume:46 pages:138-144 GBV_USEFLAG_U SYSFLAG_U GBV_ELV AR 46 138-144 |
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10.1016/S1876-3804(19)30013-8 doi (DE-627)ELV001764322 (ELSEVIER)S1876-3804(19)30013-8 DE-627 ger DE-627 rda eng CAO, Nai verfasserin aut Stress sensitivity of tight reservoirs during pressure loading and unloading process 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious. tight reservoir stress sensitivity hysteresis permeability stress sensitivity laboratory experiment theoretical model LEI, Gang verfasserin aut Enthalten in Petroleum Exploration and Development [Erscheinungsort nicht ermittelbar] : KeAi Communications Co., Ltd., 0000 46, Seite 138-144 Online-Ressource (DE-627)1760627542 (DE-600)3071667-6 1876-3804 nnns volume:46 pages:138-144 GBV_USEFLAG_U SYSFLAG_U GBV_ELV AR 46 138-144 |
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10.1016/S1876-3804(19)30013-8 doi (DE-627)ELV001764322 (ELSEVIER)S1876-3804(19)30013-8 DE-627 ger DE-627 rda eng CAO, Nai verfasserin aut Stress sensitivity of tight reservoirs during pressure loading and unloading process 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious. tight reservoir stress sensitivity hysteresis permeability stress sensitivity laboratory experiment theoretical model LEI, Gang verfasserin aut Enthalten in Petroleum Exploration and Development [Erscheinungsort nicht ermittelbar] : KeAi Communications Co., Ltd., 0000 46, Seite 138-144 Online-Ressource (DE-627)1760627542 (DE-600)3071667-6 1876-3804 nnns volume:46 pages:138-144 GBV_USEFLAG_U SYSFLAG_U GBV_ELV AR 46 138-144 |
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10.1016/S1876-3804(19)30013-8 doi (DE-627)ELV001764322 (ELSEVIER)S1876-3804(19)30013-8 DE-627 ger DE-627 rda eng CAO, Nai verfasserin aut Stress sensitivity of tight reservoirs during pressure loading and unloading process 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious. tight reservoir stress sensitivity hysteresis permeability stress sensitivity laboratory experiment theoretical model LEI, Gang verfasserin aut Enthalten in Petroleum Exploration and Development [Erscheinungsort nicht ermittelbar] : KeAi Communications Co., Ltd., 0000 46, Seite 138-144 Online-Ressource (DE-627)1760627542 (DE-600)3071667-6 1876-3804 nnns volume:46 pages:138-144 GBV_USEFLAG_U SYSFLAG_U GBV_ELV AR 46 138-144 |
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10.1016/S1876-3804(19)30013-8 doi (DE-627)ELV001764322 (ELSEVIER)S1876-3804(19)30013-8 DE-627 ger DE-627 rda eng CAO, Nai verfasserin aut Stress sensitivity of tight reservoirs during pressure loading and unloading process 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious. tight reservoir stress sensitivity hysteresis permeability stress sensitivity laboratory experiment theoretical model LEI, Gang verfasserin aut Enthalten in Petroleum Exploration and Development [Erscheinungsort nicht ermittelbar] : KeAi Communications Co., Ltd., 0000 46, Seite 138-144 Online-Ressource (DE-627)1760627542 (DE-600)3071667-6 1876-3804 nnns volume:46 pages:138-144 GBV_USEFLAG_U SYSFLAG_U GBV_ELV AR 46 138-144 |
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Stress sensitivity of tight reservoirs during pressure loading and unloading process |
| abstract |
Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious. |
| abstractGer |
Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious. |
| abstract_unstemmed |
Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000naa a22002652 4500</leader><controlfield tag="001">ELV001764322</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230428211045.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230428s2019 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/S1876-3804(19)30013-8</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)ELV001764322</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(ELSEVIER)S1876-3804(19)30013-8</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">CAO, Nai</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Stress sensitivity of tight reservoirs during pressure loading and unloading process</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2019</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Laboratory experiments were conducted on laboratory-made tight cores to investigate the stress-dependent permeability hysteresis of tight reservoirs during pressure loading and unloading process. Based on experiment results, and Hertz contact deformation principle, considering arrangement and deformation of rock particles, a quantitative stress dependent permeability hysteresis theoretical model for tight reservoirs was established to provide quantitative analysis for permeability loss. The model was validated by comparing model calculated results and experimental results. The research results show that during the early pressure-loading period, structural deformation and primary deformation worked together, rock permeability reduced dramatically with increasing effective stress. When the effective stress reached a certain value, the structural deformation became stable while the primary deformation continued; the permeability variation tended to be smooth and steady. In the pressure unloading process, the primary deformation recovered with the decreasing effective stress, while the structural deformation could not. The permeability thus could not fully recover, and the stress-dependent hysteresis was obvious.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">tight reservoir</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">stress sensitivity hysteresis</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">permeability stress sensitivity</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">laboratory experiment</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">theoretical model</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">LEI, Gang</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Petroleum Exploration and Development</subfield><subfield code="d">[Erscheinungsort nicht ermittelbar] : KeAi Communications Co., Ltd., 0000</subfield><subfield code="g">46, Seite 138-144</subfield><subfield code="h">Online-Ressource</subfield><subfield code="w">(DE-627)1760627542</subfield><subfield code="w">(DE-600)3071667-6</subfield><subfield code="x">1876-3804</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:46</subfield><subfield code="g">pages:138-144</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">46</subfield><subfield code="h">138-144</subfield></datafield></record></collection>
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