Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China

Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. The hydrogen isotopic data indicate that the source rocks are formed in terrestrial limnetic facies with freshwater. Natural gases from Well Ba23 and Well Ke19 experienced biodegradation in the late stage. Key words: Turpan-Hami Basin, Taibei sag, Jurassic, carbon isotope, hydrogen isotope, coal-derived gas, low mature gas Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Yunyan NI [verfasserIn] Fengrong LIAO [verfasserIn] Deyu GONG [verfasserIn] Lixin JIAO [verfasserIn] Jinliang GAO [verfasserIn] Limiao YAO [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch ; Chinesisch

Erschienen:	2019

Übergeordnetes Werk:	In: Petroleum Exploration and Development - KeAi Communications Co., Ltd., 2018, 46(2019), 3, Seite 531-542
Übergeordnetes Werk:	volume:46 ; year:2019 ; number:3 ; pages:531-542

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/S1876-3804(19)60033-9

Katalog-ID:	DOAJ049693638

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allfields	10.1016/S1876-3804(19)60033-9 doi (DE-627)DOAJ049693638 (DE-599)DOAJfc103fb336a4428dbf1839a29e2af7fd DE-627 ger DE-627 rakwb eng chi TP690-692.5 Yunyan NI verfasserin aut Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. The hydrogen isotopic data indicate that the source rocks are formed in terrestrial limnetic facies with freshwater. Natural gases from Well Ba23 and Well Ke19 experienced biodegradation in the late stage. Key words: Turpan-Hami Basin, Taibei sag, Jurassic, carbon isotope, hydrogen isotope, coal-derived gas, low mature gas Petroleum refining. Petroleum products Fengrong LIAO verfasserin aut Deyu GONG verfasserin aut Lixin JIAO verfasserin aut Jinliang GAO verfasserin aut Limiao YAO verfasserin aut In Petroleum Exploration and Development KeAi Communications Co., Ltd., 2018 46(2019), 3, Seite 531-542 (DE-627)588778257 (DE-600)2471051-9 18763804 nnns volume:46 year:2019 number:3 pages:531-542 https://doi.org/10.1016/S1876-3804(19)60033-9 kostenfrei https://doaj.org/article/fc103fb336a4428dbf1839a29e2af7fd kostenfrei http://www.sciencedirect.com/science/article/pii/S1876380419600339 kostenfrei https://doaj.org/toc/1876-3804 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 46 2019 3 531-542
spelling	10.1016/S1876-3804(19)60033-9 doi (DE-627)DOAJ049693638 (DE-599)DOAJfc103fb336a4428dbf1839a29e2af7fd DE-627 ger DE-627 rakwb eng chi TP690-692.5 Yunyan NI verfasserin aut Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. The hydrogen isotopic data indicate that the source rocks are formed in terrestrial limnetic facies with freshwater. Natural gases from Well Ba23 and Well Ke19 experienced biodegradation in the late stage. Key words: Turpan-Hami Basin, Taibei sag, Jurassic, carbon isotope, hydrogen isotope, coal-derived gas, low mature gas Petroleum refining. Petroleum products Fengrong LIAO verfasserin aut Deyu GONG verfasserin aut Lixin JIAO verfasserin aut Jinliang GAO verfasserin aut Limiao YAO verfasserin aut In Petroleum Exploration and Development KeAi Communications Co., Ltd., 2018 46(2019), 3, Seite 531-542 (DE-627)588778257 (DE-600)2471051-9 18763804 nnns volume:46 year:2019 number:3 pages:531-542 https://doi.org/10.1016/S1876-3804(19)60033-9 kostenfrei https://doaj.org/article/fc103fb336a4428dbf1839a29e2af7fd kostenfrei http://www.sciencedirect.com/science/article/pii/S1876380419600339 kostenfrei https://doaj.org/toc/1876-3804 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 46 2019 3 531-542
allfields_unstemmed	10.1016/S1876-3804(19)60033-9 doi (DE-627)DOAJ049693638 (DE-599)DOAJfc103fb336a4428dbf1839a29e2af7fd DE-627 ger DE-627 rakwb eng chi TP690-692.5 Yunyan NI verfasserin aut Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. The hydrogen isotopic data indicate that the source rocks are formed in terrestrial limnetic facies with freshwater. Natural gases from Well Ba23 and Well Ke19 experienced biodegradation in the late stage. Key words: Turpan-Hami Basin, Taibei sag, Jurassic, carbon isotope, hydrogen isotope, coal-derived gas, low mature gas Petroleum refining. Petroleum products Fengrong LIAO verfasserin aut Deyu GONG verfasserin aut Lixin JIAO verfasserin aut Jinliang GAO verfasserin aut Limiao YAO verfasserin aut In Petroleum Exploration and Development KeAi Communications Co., Ltd., 2018 46(2019), 3, Seite 531-542 (DE-627)588778257 (DE-600)2471051-9 18763804 nnns volume:46 year:2019 number:3 pages:531-542 https://doi.org/10.1016/S1876-3804(19)60033-9 kostenfrei https://doaj.org/article/fc103fb336a4428dbf1839a29e2af7fd kostenfrei http://www.sciencedirect.com/science/article/pii/S1876380419600339 kostenfrei https://doaj.org/toc/1876-3804 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 46 2019 3 531-542
allfieldsGer	10.1016/S1876-3804(19)60033-9 doi (DE-627)DOAJ049693638 (DE-599)DOAJfc103fb336a4428dbf1839a29e2af7fd DE-627 ger DE-627 rakwb eng chi TP690-692.5 Yunyan NI verfasserin aut Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. The hydrogen isotopic data indicate that the source rocks are formed in terrestrial limnetic facies with freshwater. Natural gases from Well Ba23 and Well Ke19 experienced biodegradation in the late stage. Key words: Turpan-Hami Basin, Taibei sag, Jurassic, carbon isotope, hydrogen isotope, coal-derived gas, low mature gas Petroleum refining. Petroleum products Fengrong LIAO verfasserin aut Deyu GONG verfasserin aut Lixin JIAO verfasserin aut Jinliang GAO verfasserin aut Limiao YAO verfasserin aut In Petroleum Exploration and Development KeAi Communications Co., Ltd., 2018 46(2019), 3, Seite 531-542 (DE-627)588778257 (DE-600)2471051-9 18763804 nnns volume:46 year:2019 number:3 pages:531-542 https://doi.org/10.1016/S1876-3804(19)60033-9 kostenfrei https://doaj.org/article/fc103fb336a4428dbf1839a29e2af7fd kostenfrei http://www.sciencedirect.com/science/article/pii/S1876380419600339 kostenfrei https://doaj.org/toc/1876-3804 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 46 2019 3 531-542
allfieldsSound	10.1016/S1876-3804(19)60033-9 doi (DE-627)DOAJ049693638 (DE-599)DOAJfc103fb336a4428dbf1839a29e2af7fd DE-627 ger DE-627 rakwb eng chi TP690-692.5 Yunyan NI verfasserin aut Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. The hydrogen isotopic data indicate that the source rocks are formed in terrestrial limnetic facies with freshwater. Natural gases from Well Ba23 and Well Ke19 experienced biodegradation in the late stage. Key words: Turpan-Hami Basin, Taibei sag, Jurassic, carbon isotope, hydrogen isotope, coal-derived gas, low mature gas Petroleum refining. Petroleum products Fengrong LIAO verfasserin aut Deyu GONG verfasserin aut Lixin JIAO verfasserin aut Jinliang GAO verfasserin aut Limiao YAO verfasserin aut In Petroleum Exploration and Development KeAi Communications Co., Ltd., 2018 46(2019), 3, Seite 531-542 (DE-627)588778257 (DE-600)2471051-9 18763804 nnns volume:46 year:2019 number:3 pages:531-542 https://doi.org/10.1016/S1876-3804(19)60033-9 kostenfrei https://doaj.org/article/fc103fb336a4428dbf1839a29e2af7fd kostenfrei http://www.sciencedirect.com/science/article/pii/S1876380419600339 kostenfrei https://doaj.org/toc/1876-3804 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2004 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 46 2019 3 531-542
language	English Chinese
source	In Petroleum Exploration and Development 46(2019), 3, Seite 531-542 volume:46 year:2019 number:3 pages:531-542
sourceStr	In Petroleum Exploration and Development 46(2019), 3, Seite 531-542 volume:46 year:2019 number:3 pages:531-542
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Petroleum refining. Petroleum products
isfreeaccess_bool	true
container_title	Petroleum Exploration and Development
authorswithroles_txt_mv	Yunyan NI @@aut@@ Fengrong LIAO @@aut@@ Deyu GONG @@aut@@ Lixin JIAO @@aut@@ Jinliang GAO @@aut@@ Limiao YAO @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	588778257
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language_de	englisch chinesisch
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To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. 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callnumber-first	T - Technology
author	Yunyan NI
spellingShingle	Yunyan NI misc TP690-692.5 misc Petroleum refining. Petroleum products Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China
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topic_title	TP690-692.5 Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China
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title	Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China
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title_full	Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China
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author_browse	Yunyan NI Fengrong LIAO Deyu GONG Lixin JIAO Jinliang GAO Limiao YAO
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title_sort	stable carbon and hydrogen isotopic characteristics of natural gas from taibei sag, turpan-hami basin, nw china
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title_auth	Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China
abstract	Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. The hydrogen isotopic data indicate that the source rocks are formed in terrestrial limnetic facies with freshwater. Natural gases from Well Ba23 and Well Ke19 experienced biodegradation in the late stage. Key words: Turpan-Hami Basin, Taibei sag, Jurassic, carbon isotope, hydrogen isotope, coal-derived gas, low mature gas
abstractGer	Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. The hydrogen isotopic data indicate that the source rocks are formed in terrestrial limnetic facies with freshwater. Natural gases from Well Ba23 and Well Ke19 experienced biodegradation in the late stage. Key words: Turpan-Hami Basin, Taibei sag, Jurassic, carbon isotope, hydrogen isotope, coal-derived gas, low mature gas
abstract_unstemmed	Turpan-Hami Basin is a major petroliferous basin in China. To date the natural gas exploration is concentrated in the Taibei sag. The origin and source of natural gas in the Taibei sag has long been controversial. To further investigate the origin and source of the natural gas in the Taibei sag, combined with previous studies and the local geological backgrounds, this study collected 23 gas samples from the Baka, Qiuling, Shanshan and Wenmi oil fields in the Taibei sag and analyzed the sample composition, stable carbon and hydrogen isotopes of all the gas samples. The results show that, gases from the four oil fields in the Taibei sag are dominated by hydrocarbon gas and belong to wet gas. Methane accounts for 65.84% to 97.94%, the content of heavy hydrocarbon (C2-5) can be up to 34.98%, while the content of nonhydrocarbon (CO2, N2) is trace. The δ13C1 value is –44.9‰ to –40.4‰, δ13C2 is –28.2‰ to –24.9‰, δ13C3 is –27.1‰ to –18.0‰ and δ13C4 is –26.7‰ to –22.1; while the variation of δD1 is not significant from –272‰ to –252‰, δD2 is –236‰ to –200‰ and δD3 is –222‰ to –174‰. Methane and its homologues (C2-5) are characterized by normal stable carbon and hydrogen isotopic distribution pattern, i.e., with the increase of carbon number, methane and its homologues become more and more enriched in 13C or D (δ13C1<δ13C2<δ13C3<δ13C4<δ13C5, δD1<δD2<δD3), which is consistent with the carbon and hydrogen isotopic features of typical thermogenic gas. All these results show that the natural gases in the four oil fields are coal-derived gas with low maturity (Ro averaged at 0.7%), and are sourced from the Middle-Lower Jurassic coal measure. The hydrogen isotopic data of natural gas are affected by both thermal maturity and the water medium of the environment where source rocks are formed. The hydrogen isotopic data indicate that the source rocks are formed in terrestrial limnetic facies with freshwater. Natural gases from Well Ba23 and Well Ke19 experienced biodegradation in the late stage. Key words: Turpan-Hami Basin, Taibei sag, Jurassic, carbon isotope, hydrogen isotope, coal-derived gas, low mature gas
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title_short	Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China
url	https://doi.org/10.1016/S1876-3804(19)60033-9 https://doaj.org/article/fc103fb336a4428dbf1839a29e2af7fd http://www.sciencedirect.com/science/article/pii/S1876380419600339 https://doaj.org/toc/1876-3804
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Stable carbon and hydrogen isotopic characteristics of natural gas from Taibei sag, Turpan-Hami Basin, NW China

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