Genetic types and sources of Cretaceous crude oil in Shunbei area, Tarim Basin
The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Xian WU [verfasserIn] Zicheng CAO [verfasserIn] Qinghua LU [verfasserIn] Caijun HONG [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Chinesisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Shiyou shiyan dizhi - Editorial Office of Petroleum Geology and Experiment, 2024, 42(2020), 2, Seite 255-262 |
|---|---|
| Übergeordnetes Werk: |
volume:42 ; year:2020 ; number:2 ; pages:255-262 |
| Links: |
|---|
| DOI / URN: |
10.11781/sysydz202002255 |
|---|
| Katalog-ID: |
DOAJ095548785 |
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| 520 | |a The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and oil-source correlations were studied systematically in order to determine the genesis types and sources of crude oil in the Shunbei area. The saturated hydrocarbon chromatogram of the Cretaceous crude oil in the Shunbei area shows a unimodal distribution. The n-alkanes are intact and the distribution is unchanged without any obvious "UCM". The Pr/Ph values of crude oil range 1.65-1.71. The C21TT/C23TT ratio is <1. In biomarkers, the hopane series are dominant and the ∑tricyclic terpanes/∑hopanes ratio is < 1. The gammacerane and triaryl stanine compounds are abundant, indicating that the crude oil of continental origin is well preserved. The Cretaceous crude oil in the Shunbei area and the Yingmai, Dawanqi and Dalaoba areas around the Kuqa Sag in the north, and the Triassic Huangshanjie mudstones in the Kuqa River area show similar m/z 191 biomarker patterns, which indicates that the crude oil was sourced from the Huangshanjie mudstones in the Kuqa Sag. The thermal evolution degrees of crude oil decrease from Dawanqi, Yingmai to Shunbei. We inferred that the early terrestrial hydrocarbon was sourced in the Triassic source rocks in the Kuqa Sag, and then migrated laterally from north to south through the Cretaceous sand bodies, the T40 unconformity surface and the faults. | ||
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10.11781/sysydz202002255 doi (DE-627)DOAJ095548785 (DE-599)DOAJd55319aa5ec047a8982e9e8a7fe860ce DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Xian WU verfasserin aut Genetic types and sources of Cretaceous crude oil in Shunbei area, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and oil-source correlations were studied systematically in order to determine the genesis types and sources of crude oil in the Shunbei area. The saturated hydrocarbon chromatogram of the Cretaceous crude oil in the Shunbei area shows a unimodal distribution. The n-alkanes are intact and the distribution is unchanged without any obvious "UCM". The Pr/Ph values of crude oil range 1.65-1.71. The C21TT/C23TT ratio is <1. In biomarkers, the hopane series are dominant and the ∑tricyclic terpanes/∑hopanes ratio is < 1. The gammacerane and triaryl stanine compounds are abundant, indicating that the crude oil of continental origin is well preserved. The Cretaceous crude oil in the Shunbei area and the Yingmai, Dawanqi and Dalaoba areas around the Kuqa Sag in the north, and the Triassic Huangshanjie mudstones in the Kuqa River area show similar m/z 191 biomarker patterns, which indicates that the crude oil was sourced from the Huangshanjie mudstones in the Kuqa Sag. The thermal evolution degrees of crude oil decrease from Dawanqi, Yingmai to Shunbei. We inferred that the early terrestrial hydrocarbon was sourced in the Triassic source rocks in the Kuqa Sag, and then migrated laterally from north to south through the Cretaceous sand bodies, the T40 unconformity surface and the faults. terrestrial crude oil oil source accumulation model cretaceous shunbei area tarim basin Geophysics. Cosmic physics Geology Zicheng CAO verfasserin aut Qinghua LU verfasserin aut Caijun HONG verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 255-262 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:255-262 https://doi.org/10.11781/sysydz202002255 kostenfrei https://doaj.org/article/d55319aa5ec047a8982e9e8a7fe860ce kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002255 kostenfrei https://doaj.org/toc/1001-6112 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_2817 AR 42 2020 2 255-262 |
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10.11781/sysydz202002255 doi (DE-627)DOAJ095548785 (DE-599)DOAJd55319aa5ec047a8982e9e8a7fe860ce DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Xian WU verfasserin aut Genetic types and sources of Cretaceous crude oil in Shunbei area, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and oil-source correlations were studied systematically in order to determine the genesis types and sources of crude oil in the Shunbei area. The saturated hydrocarbon chromatogram of the Cretaceous crude oil in the Shunbei area shows a unimodal distribution. The n-alkanes are intact and the distribution is unchanged without any obvious "UCM". The Pr/Ph values of crude oil range 1.65-1.71. The C21TT/C23TT ratio is <1. In biomarkers, the hopane series are dominant and the ∑tricyclic terpanes/∑hopanes ratio is < 1. The gammacerane and triaryl stanine compounds are abundant, indicating that the crude oil of continental origin is well preserved. The Cretaceous crude oil in the Shunbei area and the Yingmai, Dawanqi and Dalaoba areas around the Kuqa Sag in the north, and the Triassic Huangshanjie mudstones in the Kuqa River area show similar m/z 191 biomarker patterns, which indicates that the crude oil was sourced from the Huangshanjie mudstones in the Kuqa Sag. The thermal evolution degrees of crude oil decrease from Dawanqi, Yingmai to Shunbei. We inferred that the early terrestrial hydrocarbon was sourced in the Triassic source rocks in the Kuqa Sag, and then migrated laterally from north to south through the Cretaceous sand bodies, the T40 unconformity surface and the faults. terrestrial crude oil oil source accumulation model cretaceous shunbei area tarim basin Geophysics. Cosmic physics Geology Zicheng CAO verfasserin aut Qinghua LU verfasserin aut Caijun HONG verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 255-262 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:255-262 https://doi.org/10.11781/sysydz202002255 kostenfrei https://doaj.org/article/d55319aa5ec047a8982e9e8a7fe860ce kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002255 kostenfrei https://doaj.org/toc/1001-6112 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_2817 AR 42 2020 2 255-262 |
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10.11781/sysydz202002255 doi (DE-627)DOAJ095548785 (DE-599)DOAJd55319aa5ec047a8982e9e8a7fe860ce DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Xian WU verfasserin aut Genetic types and sources of Cretaceous crude oil in Shunbei area, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and oil-source correlations were studied systematically in order to determine the genesis types and sources of crude oil in the Shunbei area. The saturated hydrocarbon chromatogram of the Cretaceous crude oil in the Shunbei area shows a unimodal distribution. The n-alkanes are intact and the distribution is unchanged without any obvious "UCM". The Pr/Ph values of crude oil range 1.65-1.71. The C21TT/C23TT ratio is <1. In biomarkers, the hopane series are dominant and the ∑tricyclic terpanes/∑hopanes ratio is < 1. The gammacerane and triaryl stanine compounds are abundant, indicating that the crude oil of continental origin is well preserved. The Cretaceous crude oil in the Shunbei area and the Yingmai, Dawanqi and Dalaoba areas around the Kuqa Sag in the north, and the Triassic Huangshanjie mudstones in the Kuqa River area show similar m/z 191 biomarker patterns, which indicates that the crude oil was sourced from the Huangshanjie mudstones in the Kuqa Sag. The thermal evolution degrees of crude oil decrease from Dawanqi, Yingmai to Shunbei. We inferred that the early terrestrial hydrocarbon was sourced in the Triassic source rocks in the Kuqa Sag, and then migrated laterally from north to south through the Cretaceous sand bodies, the T40 unconformity surface and the faults. terrestrial crude oil oil source accumulation model cretaceous shunbei area tarim basin Geophysics. Cosmic physics Geology Zicheng CAO verfasserin aut Qinghua LU verfasserin aut Caijun HONG verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 255-262 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:255-262 https://doi.org/10.11781/sysydz202002255 kostenfrei https://doaj.org/article/d55319aa5ec047a8982e9e8a7fe860ce kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002255 kostenfrei https://doaj.org/toc/1001-6112 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_2817 AR 42 2020 2 255-262 |
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10.11781/sysydz202002255 doi (DE-627)DOAJ095548785 (DE-599)DOAJd55319aa5ec047a8982e9e8a7fe860ce DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Xian WU verfasserin aut Genetic types and sources of Cretaceous crude oil in Shunbei area, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and oil-source correlations were studied systematically in order to determine the genesis types and sources of crude oil in the Shunbei area. The saturated hydrocarbon chromatogram of the Cretaceous crude oil in the Shunbei area shows a unimodal distribution. The n-alkanes are intact and the distribution is unchanged without any obvious "UCM". The Pr/Ph values of crude oil range 1.65-1.71. The C21TT/C23TT ratio is <1. In biomarkers, the hopane series are dominant and the ∑tricyclic terpanes/∑hopanes ratio is < 1. The gammacerane and triaryl stanine compounds are abundant, indicating that the crude oil of continental origin is well preserved. The Cretaceous crude oil in the Shunbei area and the Yingmai, Dawanqi and Dalaoba areas around the Kuqa Sag in the north, and the Triassic Huangshanjie mudstones in the Kuqa River area show similar m/z 191 biomarker patterns, which indicates that the crude oil was sourced from the Huangshanjie mudstones in the Kuqa Sag. The thermal evolution degrees of crude oil decrease from Dawanqi, Yingmai to Shunbei. We inferred that the early terrestrial hydrocarbon was sourced in the Triassic source rocks in the Kuqa Sag, and then migrated laterally from north to south through the Cretaceous sand bodies, the T40 unconformity surface and the faults. terrestrial crude oil oil source accumulation model cretaceous shunbei area tarim basin Geophysics. Cosmic physics Geology Zicheng CAO verfasserin aut Qinghua LU verfasserin aut Caijun HONG verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 255-262 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:255-262 https://doi.org/10.11781/sysydz202002255 kostenfrei https://doaj.org/article/d55319aa5ec047a8982e9e8a7fe860ce kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002255 kostenfrei https://doaj.org/toc/1001-6112 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_2817 AR 42 2020 2 255-262 |
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10.11781/sysydz202002255 doi (DE-627)DOAJ095548785 (DE-599)DOAJd55319aa5ec047a8982e9e8a7fe860ce DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Xian WU verfasserin aut Genetic types and sources of Cretaceous crude oil in Shunbei area, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and oil-source correlations were studied systematically in order to determine the genesis types and sources of crude oil in the Shunbei area. The saturated hydrocarbon chromatogram of the Cretaceous crude oil in the Shunbei area shows a unimodal distribution. The n-alkanes are intact and the distribution is unchanged without any obvious "UCM". The Pr/Ph values of crude oil range 1.65-1.71. The C21TT/C23TT ratio is <1. In biomarkers, the hopane series are dominant and the ∑tricyclic terpanes/∑hopanes ratio is < 1. The gammacerane and triaryl stanine compounds are abundant, indicating that the crude oil of continental origin is well preserved. The Cretaceous crude oil in the Shunbei area and the Yingmai, Dawanqi and Dalaoba areas around the Kuqa Sag in the north, and the Triassic Huangshanjie mudstones in the Kuqa River area show similar m/z 191 biomarker patterns, which indicates that the crude oil was sourced from the Huangshanjie mudstones in the Kuqa Sag. The thermal evolution degrees of crude oil decrease from Dawanqi, Yingmai to Shunbei. We inferred that the early terrestrial hydrocarbon was sourced in the Triassic source rocks in the Kuqa Sag, and then migrated laterally from north to south through the Cretaceous sand bodies, the T40 unconformity surface and the faults. terrestrial crude oil oil source accumulation model cretaceous shunbei area tarim basin Geophysics. Cosmic physics Geology Zicheng CAO verfasserin aut Qinghua LU verfasserin aut Caijun HONG verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 255-262 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:255-262 https://doi.org/10.11781/sysydz202002255 kostenfrei https://doaj.org/article/d55319aa5ec047a8982e9e8a7fe860ce kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002255 kostenfrei https://doaj.org/toc/1001-6112 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_2817 AR 42 2020 2 255-262 |
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Genetic types and sources of Cretaceous crude oil in Shunbei area, Tarim Basin |
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genetic types and sources of cretaceous crude oil in shunbei area, tarim basin |
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Genetic types and sources of Cretaceous crude oil in Shunbei area, Tarim Basin |
| abstract |
The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and oil-source correlations were studied systematically in order to determine the genesis types and sources of crude oil in the Shunbei area. The saturated hydrocarbon chromatogram of the Cretaceous crude oil in the Shunbei area shows a unimodal distribution. The n-alkanes are intact and the distribution is unchanged without any obvious "UCM". The Pr/Ph values of crude oil range 1.65-1.71. The C21TT/C23TT ratio is <1. In biomarkers, the hopane series are dominant and the ∑tricyclic terpanes/∑hopanes ratio is < 1. The gammacerane and triaryl stanine compounds are abundant, indicating that the crude oil of continental origin is well preserved. The Cretaceous crude oil in the Shunbei area and the Yingmai, Dawanqi and Dalaoba areas around the Kuqa Sag in the north, and the Triassic Huangshanjie mudstones in the Kuqa River area show similar m/z 191 biomarker patterns, which indicates that the crude oil was sourced from the Huangshanjie mudstones in the Kuqa Sag. The thermal evolution degrees of crude oil decrease from Dawanqi, Yingmai to Shunbei. We inferred that the early terrestrial hydrocarbon was sourced in the Triassic source rocks in the Kuqa Sag, and then migrated laterally from north to south through the Cretaceous sand bodies, the T40 unconformity surface and the faults. |
| abstractGer |
The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and oil-source correlations were studied systematically in order to determine the genesis types and sources of crude oil in the Shunbei area. The saturated hydrocarbon chromatogram of the Cretaceous crude oil in the Shunbei area shows a unimodal distribution. The n-alkanes are intact and the distribution is unchanged without any obvious "UCM". The Pr/Ph values of crude oil range 1.65-1.71. The C21TT/C23TT ratio is <1. In biomarkers, the hopane series are dominant and the ∑tricyclic terpanes/∑hopanes ratio is < 1. The gammacerane and triaryl stanine compounds are abundant, indicating that the crude oil of continental origin is well preserved. The Cretaceous crude oil in the Shunbei area and the Yingmai, Dawanqi and Dalaoba areas around the Kuqa Sag in the north, and the Triassic Huangshanjie mudstones in the Kuqa River area show similar m/z 191 biomarker patterns, which indicates that the crude oil was sourced from the Huangshanjie mudstones in the Kuqa Sag. The thermal evolution degrees of crude oil decrease from Dawanqi, Yingmai to Shunbei. We inferred that the early terrestrial hydrocarbon was sourced in the Triassic source rocks in the Kuqa Sag, and then migrated laterally from north to south through the Cretaceous sand bodies, the T40 unconformity surface and the faults. |
| abstract_unstemmed |
The Cretaceous oil-bearing strata in the Tarim Basin have a good exploration potential. The Shunbei area has good oil and gas shows in the Cretaceous, and a small amount of crude oil has been obtained by testing. The geochemical characteristics of the Cretaceous crude oil as well as the oil-oil and oil-source correlations were studied systematically in order to determine the genesis types and sources of crude oil in the Shunbei area. The saturated hydrocarbon chromatogram of the Cretaceous crude oil in the Shunbei area shows a unimodal distribution. The n-alkanes are intact and the distribution is unchanged without any obvious "UCM". The Pr/Ph values of crude oil range 1.65-1.71. The C21TT/C23TT ratio is <1. In biomarkers, the hopane series are dominant and the ∑tricyclic terpanes/∑hopanes ratio is < 1. The gammacerane and triaryl stanine compounds are abundant, indicating that the crude oil of continental origin is well preserved. The Cretaceous crude oil in the Shunbei area and the Yingmai, Dawanqi and Dalaoba areas around the Kuqa Sag in the north, and the Triassic Huangshanjie mudstones in the Kuqa River area show similar m/z 191 biomarker patterns, which indicates that the crude oil was sourced from the Huangshanjie mudstones in the Kuqa Sag. The thermal evolution degrees of crude oil decrease from Dawanqi, Yingmai to Shunbei. We inferred that the early terrestrial hydrocarbon was sourced in the Triassic source rocks in the Kuqa Sag, and then migrated laterally from north to south through the Cretaceous sand bodies, the T40 unconformity surface and the faults. |
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