Oil and gas sources in Shunbei Oilfield, Tarim Basin
The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distrib...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Rong GU [verfasserIn] Lu YUN [verfasserIn] Xiuxiang ZHU [verfasserIn] Meng ZHU [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 248-254 |
|---|---|
| Übergeordnetes Werk: |
volume:42 ; year:2020 ; number:2 ; pages:248-254 |
| Links: |
|---|
| DOI / URN: |
10.11781/sysydz202002248 |
|---|
| Katalog-ID: |
DOAJ095548882 |
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| 520 | |a The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distribution of whole oil and group components were used. The C23 tricyclic terpane is dominant in crude oil samples from the Shunbei area, with a low content of gammacerane. The C27-C28-C29ααα20R regular steranes show an irregular "V" shape distribution. The regular steranes account for a larger amount than the rearranged steranes, and the carbon isotope of the crude oils is light. The geochemical characteristics of crude oil samples from the Middle and Lower Ordovician in the Shunbei area have a good affinity with those from the Lower Cambrian in the Keping outcrop and the well KT1. The δ13C1 and δ13C2 values of natural gas samples are -50.7‰ to -44.7‰ and -36.1‰ to -33.1‰, respectively. The gas dryness coefficient ranges from 0.520 to 0.883. The oil and natural gas in the Shunbei Oilfield have the same source, that is, the Lower Cambrian source rocks. The distribution of source rocks in the Lower Cambrian of the Tarim Basin was predicted by means of drilled lithofacies, sedimentary facies and seismic facies of the whole basin. The source rocks are about 30 m thick. They have a high TOC content and show a great hydrocarbon generation potential. They have experienced a long term of hydrocarbon generation and multiple stages of hydrocarbon supply, providing significant oil and gas resources for the Tarim Basin. | ||
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10.11781/sysydz202002248 doi (DE-627)DOAJ095548882 (DE-599)DOAJ3d8689a57d59436ea9e4560c3d4a78c0 DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Rong GU verfasserin aut Oil and gas sources in Shunbei Oilfield, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distribution of whole oil and group components were used. The C23 tricyclic terpane is dominant in crude oil samples from the Shunbei area, with a low content of gammacerane. The C27-C28-C29ααα20R regular steranes show an irregular "V" shape distribution. The regular steranes account for a larger amount than the rearranged steranes, and the carbon isotope of the crude oils is light. The geochemical characteristics of crude oil samples from the Middle and Lower Ordovician in the Shunbei area have a good affinity with those from the Lower Cambrian in the Keping outcrop and the well KT1. The δ13C1 and δ13C2 values of natural gas samples are -50.7‰ to -44.7‰ and -36.1‰ to -33.1‰, respectively. The gas dryness coefficient ranges from 0.520 to 0.883. The oil and natural gas in the Shunbei Oilfield have the same source, that is, the Lower Cambrian source rocks. The distribution of source rocks in the Lower Cambrian of the Tarim Basin was predicted by means of drilled lithofacies, sedimentary facies and seismic facies of the whole basin. The source rocks are about 30 m thick. They have a high TOC content and show a great hydrocarbon generation potential. They have experienced a long term of hydrocarbon generation and multiple stages of hydrocarbon supply, providing significant oil and gas resources for the Tarim Basin. oil-source correlation oil and gas source main source rock ordovician shunbei area tarim basin Geophysics. Cosmic physics Geology Lu YUN verfasserin aut Xiuxiang ZHU verfasserin aut Meng ZHU verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 248-254 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:248-254 https://doi.org/10.11781/sysydz202002248 kostenfrei https://doaj.org/article/3d8689a57d59436ea9e4560c3d4a78c0 kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002248 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 2 248-254 |
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10.11781/sysydz202002248 doi (DE-627)DOAJ095548882 (DE-599)DOAJ3d8689a57d59436ea9e4560c3d4a78c0 DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Rong GU verfasserin aut Oil and gas sources in Shunbei Oilfield, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distribution of whole oil and group components were used. The C23 tricyclic terpane is dominant in crude oil samples from the Shunbei area, with a low content of gammacerane. The C27-C28-C29ααα20R regular steranes show an irregular "V" shape distribution. The regular steranes account for a larger amount than the rearranged steranes, and the carbon isotope of the crude oils is light. The geochemical characteristics of crude oil samples from the Middle and Lower Ordovician in the Shunbei area have a good affinity with those from the Lower Cambrian in the Keping outcrop and the well KT1. The δ13C1 and δ13C2 values of natural gas samples are -50.7‰ to -44.7‰ and -36.1‰ to -33.1‰, respectively. The gas dryness coefficient ranges from 0.520 to 0.883. The oil and natural gas in the Shunbei Oilfield have the same source, that is, the Lower Cambrian source rocks. The distribution of source rocks in the Lower Cambrian of the Tarim Basin was predicted by means of drilled lithofacies, sedimentary facies and seismic facies of the whole basin. The source rocks are about 30 m thick. They have a high TOC content and show a great hydrocarbon generation potential. They have experienced a long term of hydrocarbon generation and multiple stages of hydrocarbon supply, providing significant oil and gas resources for the Tarim Basin. oil-source correlation oil and gas source main source rock ordovician shunbei area tarim basin Geophysics. Cosmic physics Geology Lu YUN verfasserin aut Xiuxiang ZHU verfasserin aut Meng ZHU verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 248-254 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:248-254 https://doi.org/10.11781/sysydz202002248 kostenfrei https://doaj.org/article/3d8689a57d59436ea9e4560c3d4a78c0 kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002248 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 2 248-254 |
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10.11781/sysydz202002248 doi (DE-627)DOAJ095548882 (DE-599)DOAJ3d8689a57d59436ea9e4560c3d4a78c0 DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Rong GU verfasserin aut Oil and gas sources in Shunbei Oilfield, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distribution of whole oil and group components were used. The C23 tricyclic terpane is dominant in crude oil samples from the Shunbei area, with a low content of gammacerane. The C27-C28-C29ααα20R regular steranes show an irregular "V" shape distribution. The regular steranes account for a larger amount than the rearranged steranes, and the carbon isotope of the crude oils is light. The geochemical characteristics of crude oil samples from the Middle and Lower Ordovician in the Shunbei area have a good affinity with those from the Lower Cambrian in the Keping outcrop and the well KT1. The δ13C1 and δ13C2 values of natural gas samples are -50.7‰ to -44.7‰ and -36.1‰ to -33.1‰, respectively. The gas dryness coefficient ranges from 0.520 to 0.883. The oil and natural gas in the Shunbei Oilfield have the same source, that is, the Lower Cambrian source rocks. The distribution of source rocks in the Lower Cambrian of the Tarim Basin was predicted by means of drilled lithofacies, sedimentary facies and seismic facies of the whole basin. The source rocks are about 30 m thick. They have a high TOC content and show a great hydrocarbon generation potential. They have experienced a long term of hydrocarbon generation and multiple stages of hydrocarbon supply, providing significant oil and gas resources for the Tarim Basin. oil-source correlation oil and gas source main source rock ordovician shunbei area tarim basin Geophysics. Cosmic physics Geology Lu YUN verfasserin aut Xiuxiang ZHU verfasserin aut Meng ZHU verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 248-254 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:248-254 https://doi.org/10.11781/sysydz202002248 kostenfrei https://doaj.org/article/3d8689a57d59436ea9e4560c3d4a78c0 kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002248 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 2 248-254 |
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10.11781/sysydz202002248 doi (DE-627)DOAJ095548882 (DE-599)DOAJ3d8689a57d59436ea9e4560c3d4a78c0 DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Rong GU verfasserin aut Oil and gas sources in Shunbei Oilfield, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distribution of whole oil and group components were used. The C23 tricyclic terpane is dominant in crude oil samples from the Shunbei area, with a low content of gammacerane. The C27-C28-C29ααα20R regular steranes show an irregular "V" shape distribution. The regular steranes account for a larger amount than the rearranged steranes, and the carbon isotope of the crude oils is light. The geochemical characteristics of crude oil samples from the Middle and Lower Ordovician in the Shunbei area have a good affinity with those from the Lower Cambrian in the Keping outcrop and the well KT1. The δ13C1 and δ13C2 values of natural gas samples are -50.7‰ to -44.7‰ and -36.1‰ to -33.1‰, respectively. The gas dryness coefficient ranges from 0.520 to 0.883. The oil and natural gas in the Shunbei Oilfield have the same source, that is, the Lower Cambrian source rocks. The distribution of source rocks in the Lower Cambrian of the Tarim Basin was predicted by means of drilled lithofacies, sedimentary facies and seismic facies of the whole basin. The source rocks are about 30 m thick. They have a high TOC content and show a great hydrocarbon generation potential. They have experienced a long term of hydrocarbon generation and multiple stages of hydrocarbon supply, providing significant oil and gas resources for the Tarim Basin. oil-source correlation oil and gas source main source rock ordovician shunbei area tarim basin Geophysics. Cosmic physics Geology Lu YUN verfasserin aut Xiuxiang ZHU verfasserin aut Meng ZHU verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 248-254 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:248-254 https://doi.org/10.11781/sysydz202002248 kostenfrei https://doaj.org/article/3d8689a57d59436ea9e4560c3d4a78c0 kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002248 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 2 248-254 |
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10.11781/sysydz202002248 doi (DE-627)DOAJ095548882 (DE-599)DOAJ3d8689a57d59436ea9e4560c3d4a78c0 DE-627 ger DE-627 rakwb chi QC801-809 QE1-996.5 Rong GU verfasserin aut Oil and gas sources in Shunbei Oilfield, Tarim Basin 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distribution of whole oil and group components were used. The C23 tricyclic terpane is dominant in crude oil samples from the Shunbei area, with a low content of gammacerane. The C27-C28-C29ααα20R regular steranes show an irregular "V" shape distribution. The regular steranes account for a larger amount than the rearranged steranes, and the carbon isotope of the crude oils is light. The geochemical characteristics of crude oil samples from the Middle and Lower Ordovician in the Shunbei area have a good affinity with those from the Lower Cambrian in the Keping outcrop and the well KT1. The δ13C1 and δ13C2 values of natural gas samples are -50.7‰ to -44.7‰ and -36.1‰ to -33.1‰, respectively. The gas dryness coefficient ranges from 0.520 to 0.883. The oil and natural gas in the Shunbei Oilfield have the same source, that is, the Lower Cambrian source rocks. The distribution of source rocks in the Lower Cambrian of the Tarim Basin was predicted by means of drilled lithofacies, sedimentary facies and seismic facies of the whole basin. The source rocks are about 30 m thick. They have a high TOC content and show a great hydrocarbon generation potential. They have experienced a long term of hydrocarbon generation and multiple stages of hydrocarbon supply, providing significant oil and gas resources for the Tarim Basin. oil-source correlation oil and gas source main source rock ordovician shunbei area tarim basin Geophysics. Cosmic physics Geology Lu YUN verfasserin aut Xiuxiang ZHU verfasserin aut Meng ZHU verfasserin aut In Shiyou shiyan dizhi Editorial Office of Petroleum Geology and Experiment, 2024 42(2020), 2, Seite 248-254 (DE-627)1681607743 (DE-600)2999009-9 10016112 nnns volume:42 year:2020 number:2 pages:248-254 https://doi.org/10.11781/sysydz202002248 kostenfrei https://doaj.org/article/3d8689a57d59436ea9e4560c3d4a78c0 kostenfrei https://www.sysydz.net/cn/article/doi/10.11781/sysydz202002248 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 2 248-254 |
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Oil and gas sources in Shunbei Oilfield, Tarim Basin |
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The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distribution of whole oil and group components were used. The C23 tricyclic terpane is dominant in crude oil samples from the Shunbei area, with a low content of gammacerane. The C27-C28-C29ααα20R regular steranes show an irregular "V" shape distribution. The regular steranes account for a larger amount than the rearranged steranes, and the carbon isotope of the crude oils is light. The geochemical characteristics of crude oil samples from the Middle and Lower Ordovician in the Shunbei area have a good affinity with those from the Lower Cambrian in the Keping outcrop and the well KT1. The δ13C1 and δ13C2 values of natural gas samples are -50.7‰ to -44.7‰ and -36.1‰ to -33.1‰, respectively. The gas dryness coefficient ranges from 0.520 to 0.883. The oil and natural gas in the Shunbei Oilfield have the same source, that is, the Lower Cambrian source rocks. The distribution of source rocks in the Lower Cambrian of the Tarim Basin was predicted by means of drilled lithofacies, sedimentary facies and seismic facies of the whole basin. The source rocks are about 30 m thick. They have a high TOC content and show a great hydrocarbon generation potential. They have experienced a long term of hydrocarbon generation and multiple stages of hydrocarbon supply, providing significant oil and gas resources for the Tarim Basin. |
| abstractGer |
The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distribution of whole oil and group components were used. The C23 tricyclic terpane is dominant in crude oil samples from the Shunbei area, with a low content of gammacerane. The C27-C28-C29ααα20R regular steranes show an irregular "V" shape distribution. The regular steranes account for a larger amount than the rearranged steranes, and the carbon isotope of the crude oils is light. The geochemical characteristics of crude oil samples from the Middle and Lower Ordovician in the Shunbei area have a good affinity with those from the Lower Cambrian in the Keping outcrop and the well KT1. The δ13C1 and δ13C2 values of natural gas samples are -50.7‰ to -44.7‰ and -36.1‰ to -33.1‰, respectively. The gas dryness coefficient ranges from 0.520 to 0.883. The oil and natural gas in the Shunbei Oilfield have the same source, that is, the Lower Cambrian source rocks. The distribution of source rocks in the Lower Cambrian of the Tarim Basin was predicted by means of drilled lithofacies, sedimentary facies and seismic facies of the whole basin. The source rocks are about 30 m thick. They have a high TOC content and show a great hydrocarbon generation potential. They have experienced a long term of hydrocarbon generation and multiple stages of hydrocarbon supply, providing significant oil and gas resources for the Tarim Basin. |
| abstract_unstemmed |
The hydrocarbon sources in the Middle and Lower Ordovician in the Shunbei area of the Tarim Basin were studied based on the geochemical characteristics of oil and gas samples. The saturated hydrocarbon gas chromatography, mass spectrometry of crude oil and natural gas, and the carbon isotope distribution of whole oil and group components were used. The C23 tricyclic terpane is dominant in crude oil samples from the Shunbei area, with a low content of gammacerane. The C27-C28-C29ααα20R regular steranes show an irregular "V" shape distribution. The regular steranes account for a larger amount than the rearranged steranes, and the carbon isotope of the crude oils is light. The geochemical characteristics of crude oil samples from the Middle and Lower Ordovician in the Shunbei area have a good affinity with those from the Lower Cambrian in the Keping outcrop and the well KT1. The δ13C1 and δ13C2 values of natural gas samples are -50.7‰ to -44.7‰ and -36.1‰ to -33.1‰, respectively. The gas dryness coefficient ranges from 0.520 to 0.883. The oil and natural gas in the Shunbei Oilfield have the same source, that is, the Lower Cambrian source rocks. The distribution of source rocks in the Lower Cambrian of the Tarim Basin was predicted by means of drilled lithofacies, sedimentary facies and seismic facies of the whole basin. The source rocks are about 30 m thick. They have a high TOC content and show a great hydrocarbon generation potential. They have experienced a long term of hydrocarbon generation and multiple stages of hydrocarbon supply, providing significant oil and gas resources for the Tarim Basin. |
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