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Chemical, carbon and sulfur isotopic compositions constrain the origin of Upper Carboniferous-Lower Triassic gases in eastern Sichuan Basin, SW China
Methane dominated gas is one of the cleanest energy resources; however, there is no direct method to determine its source rock. Natural gases produced from the eastern Sichuan Basin together with seismic data were studied for their sources and secondary alteration by thermochemical sulfate reduction...
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| Published in: | Science China. Earth sciences 2024-10, Vol.67 (10), p.3169-3185 |
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| container_end_page | 3185 |
| container_issue | 10 |
| container_start_page | 3169 |
| container_title | Science China. Earth sciences |
| container_volume | 67 |
| creator | Cai, Chunfang Kutuzov, Ilya Mei, Wenhua Wang, Daowei Luo, Bing Huang, Shipeng He, Bing Amrani, Alon |
| description | Methane dominated gas is one of the cleanest energy resources; however, there is no direct method to determine its source rock. Natural gases produced from the eastern Sichuan Basin together with seismic data were studied for their sources and secondary alteration by thermochemical sulfate reduction (TSR). Our results demonstrate that Upper Permian to Lower Triassic (P
3
ch-T
1
f) gases in the surrounding of the Kaijiang-Liangping area show volatile organic sulfur compounds (VOSCs)
δ
34
S values close to those of the associated H
2
S, and may have been altered by methane-dominated TSR, resulting in positive shift in methane
δ
13
C
1
values with increasing TSR extents. Other (or group 2) gases produced from the P
3
ch-T
1
f reservoirs from the southern area and the Upper Carboniferous to Middle Permian (C
2
h-P
2
q) from the eastern Sichuan Basin are not significantly changed by TSR, show similar
δ
34
S values between the kerogens and some VOSCs, and may have been derived from the Lower Silurian and Middle Permian source rocks. This study demonstrates a case for the first time showing the
δ
34
S values of VOSCs can be used as a tool for direct correlation between non-TSR altered gas and source rocks. Methane-dominated gas pools can be found using gas and source rock geochemistry combined with seismic data. |
| doi_str_mv | 10.1007/s11430-024-1368-0 |
| format | article |
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3
ch-T
1
f) gases in the surrounding of the Kaijiang-Liangping area show volatile organic sulfur compounds (VOSCs)
δ
34
S values close to those of the associated H
2
S, and may have been altered by methane-dominated TSR, resulting in positive shift in methane
δ
13
C
1
values with increasing TSR extents. Other (or group 2) gases produced from the P
3
ch-T
1
f reservoirs from the southern area and the Upper Carboniferous to Middle Permian (C
2
h-P
2
q) from the eastern Sichuan Basin are not significantly changed by TSR, show similar
δ
34
S values between the kerogens and some VOSCs, and may have been derived from the Lower Silurian and Middle Permian source rocks. This study demonstrates a case for the first time showing the
δ
34
S values of VOSCs can be used as a tool for direct correlation between non-TSR altered gas and source rocks. Methane-dominated gas pools can be found using gas and source rock geochemistry combined with seismic data.</description><identifier>ISSN: 1674-7313</identifier><identifier>EISSN: 1869-1897</identifier><identifier>DOI: 10.1007/s11430-024-1368-0</identifier><language>eng</language><publisher>Beijing: Science China Press</publisher><subject>Carboniferous ; Chemical composition ; Earth and Environmental Science ; Earth Sciences ; Energy resources ; Energy sources ; Gases ; Geochemistry ; Hydrogen sulfide ; Isotope composition ; Methane ; Natural gas ; Organosulfur compounds ; Permian ; Rock ; Rocks ; Seismic data ; Seismological data ; Silurian ; Sulfate reduction ; Sulfates ; Sulfur ; Sulfur compounds ; Sulphate reduction ; Sulphur ; Sulphur compounds ; Triassic</subject><ispartof>Science China. Earth sciences, 2024-10, Vol.67 (10), p.3169-3185</ispartof><rights>Science China Press 2024</rights><rights>Science China Press 2024.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c198t-c8086ea2b8f0a7acbff4c4e20db19fe73836b73408ce932bf389089ddf2295513</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Cai, Chunfang</creatorcontrib><creatorcontrib>Kutuzov, Ilya</creatorcontrib><creatorcontrib>Mei, Wenhua</creatorcontrib><creatorcontrib>Wang, Daowei</creatorcontrib><creatorcontrib>Luo, Bing</creatorcontrib><creatorcontrib>Huang, Shipeng</creatorcontrib><creatorcontrib>He, Bing</creatorcontrib><creatorcontrib>Amrani, Alon</creatorcontrib><title>Chemical, carbon and sulfur isotopic compositions constrain the origin of Upper Carboniferous-Lower Triassic gases in eastern Sichuan Basin, SW China</title><title>Science China. Earth sciences</title><addtitle>Sci. China Earth Sci</addtitle><description>Methane dominated gas is one of the cleanest energy resources; however, there is no direct method to determine its source rock. Natural gases produced from the eastern Sichuan Basin together with seismic data were studied for their sources and secondary alteration by thermochemical sulfate reduction (TSR). Our results demonstrate that Upper Permian to Lower Triassic (P
3
ch-T
1
f) gases in the surrounding of the Kaijiang-Liangping area show volatile organic sulfur compounds (VOSCs)
δ
34
S values close to those of the associated H
2
S, and may have been altered by methane-dominated TSR, resulting in positive shift in methane
δ
13
C
1
values with increasing TSR extents. Other (or group 2) gases produced from the P
3
ch-T
1
f reservoirs from the southern area and the Upper Carboniferous to Middle Permian (C
2
h-P
2
q) from the eastern Sichuan Basin are not significantly changed by TSR, show similar
δ
34
S values between the kerogens and some VOSCs, and may have been derived from the Lower Silurian and Middle Permian source rocks. This study demonstrates a case for the first time showing the
δ
34
S values of VOSCs can be used as a tool for direct correlation between non-TSR altered gas and source rocks. Methane-dominated gas pools can be found using gas and source rock geochemistry combined with seismic data.</description><subject>Carboniferous</subject><subject>Chemical composition</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Energy resources</subject><subject>Energy sources</subject><subject>Gases</subject><subject>Geochemistry</subject><subject>Hydrogen sulfide</subject><subject>Isotope composition</subject><subject>Methane</subject><subject>Natural gas</subject><subject>Organosulfur compounds</subject><subject>Permian</subject><subject>Rock</subject><subject>Rocks</subject><subject>Seismic data</subject><subject>Seismological data</subject><subject>Silurian</subject><subject>Sulfate reduction</subject><subject>Sulfates</subject><subject>Sulfur</subject><subject>Sulfur compounds</subject><subject>Sulphate reduction</subject><subject>Sulphur</subject><subject>Sulphur compounds</subject><subject>Triassic</subject><issn>1674-7313</issn><issn>1869-1897</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp1UctOwzAQjBBIVNAP4GaJaw1-pIlzhIiXVIlDW3G0HMduXLV28CZCfAj_i0uROLGXfc3MajVZdkXJDSWkvAVKc04wYTmmvBCYnGQTKooKU1GVp6kuyhyXnPLzbAqwJSl42rBykn3Vndk7rXYzpFVsgkfKtwjGnR0jchCG0DuNdNj3AdzggofUeBiich4NnUEhuk0qg0XrvjcR1T8qzpoYRsCL8JFmq-gUQNLZKDCAEtwoGEz0aOl0NyqP7hU4P0PLN1R3zqvL7MyqHZjpb77I1o8Pq_oZL16fXuq7Bda0EgPWgojCKNYIS1SpdGNtrnPDSNvQypqSC140Jc-J0KbirLHpayKqtrWMVfM55RfZ9VG3j-F9NDDIbRijTyclp5SxIi9InlD0iNIxAERjZR_dXsVPSYk8GCCPBshkgDwYIEnisCMHEtZvTPxT_p_0Dc59ing</recordid><startdate>20241001</startdate><enddate>20241001</enddate><creator>Cai, Chunfang</creator><creator>Kutuzov, Ilya</creator><creator>Mei, Wenhua</creator><creator>Wang, Daowei</creator><creator>Luo, Bing</creator><creator>Huang, Shipeng</creator><creator>He, Bing</creator><creator>Amrani, Alon</creator><general>Science China Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope></search><sort><creationdate>20241001</creationdate><title>Chemical, carbon and sulfur isotopic compositions constrain the origin of Upper Carboniferous-Lower Triassic gases in eastern Sichuan Basin, SW China</title><author>Cai, Chunfang ; Kutuzov, Ilya ; Mei, Wenhua ; Wang, Daowei ; Luo, Bing ; Huang, Shipeng ; He, Bing ; Amrani, Alon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c198t-c8086ea2b8f0a7acbff4c4e20db19fe73836b73408ce932bf389089ddf2295513</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Carboniferous</topic><topic>Chemical composition</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Energy resources</topic><topic>Energy sources</topic><topic>Gases</topic><topic>Geochemistry</topic><topic>Hydrogen sulfide</topic><topic>Isotope composition</topic><topic>Methane</topic><topic>Natural gas</topic><topic>Organosulfur compounds</topic><topic>Permian</topic><topic>Rock</topic><topic>Rocks</topic><topic>Seismic data</topic><topic>Seismological data</topic><topic>Silurian</topic><topic>Sulfate reduction</topic><topic>Sulfates</topic><topic>Sulfur</topic><topic>Sulfur compounds</topic><topic>Sulphate reduction</topic><topic>Sulphur</topic><topic>Sulphur compounds</topic><topic>Triassic</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cai, Chunfang</creatorcontrib><creatorcontrib>Kutuzov, Ilya</creatorcontrib><creatorcontrib>Mei, Wenhua</creatorcontrib><creatorcontrib>Wang, Daowei</creatorcontrib><creatorcontrib>Luo, Bing</creatorcontrib><creatorcontrib>Huang, Shipeng</creatorcontrib><creatorcontrib>He, Bing</creatorcontrib><creatorcontrib>Amrani, Alon</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Science China. Earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cai, Chunfang</au><au>Kutuzov, Ilya</au><au>Mei, Wenhua</au><au>Wang, Daowei</au><au>Luo, Bing</au><au>Huang, Shipeng</au><au>He, Bing</au><au>Amrani, Alon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chemical, carbon and sulfur isotopic compositions constrain the origin of Upper Carboniferous-Lower Triassic gases in eastern Sichuan Basin, SW China</atitle><jtitle>Science China. Earth sciences</jtitle><stitle>Sci. China Earth Sci</stitle><date>2024-10-01</date><risdate>2024</risdate><volume>67</volume><issue>10</issue><spage>3169</spage><epage>3185</epage><pages>3169-3185</pages><issn>1674-7313</issn><eissn>1869-1897</eissn><abstract>Methane dominated gas is one of the cleanest energy resources; however, there is no direct method to determine its source rock. Natural gases produced from the eastern Sichuan Basin together with seismic data were studied for their sources and secondary alteration by thermochemical sulfate reduction (TSR). Our results demonstrate that Upper Permian to Lower Triassic (P
3
ch-T
1
f) gases in the surrounding of the Kaijiang-Liangping area show volatile organic sulfur compounds (VOSCs)
δ
34
S values close to those of the associated H
2
S, and may have been altered by methane-dominated TSR, resulting in positive shift in methane
δ
13
C
1
values with increasing TSR extents. Other (or group 2) gases produced from the P
3
ch-T
1
f reservoirs from the southern area and the Upper Carboniferous to Middle Permian (C
2
h-P
2
q) from the eastern Sichuan Basin are not significantly changed by TSR, show similar
δ
34
S values between the kerogens and some VOSCs, and may have been derived from the Lower Silurian and Middle Permian source rocks. This study demonstrates a case for the first time showing the
δ
34
S values of VOSCs can be used as a tool for direct correlation between non-TSR altered gas and source rocks. Methane-dominated gas pools can be found using gas and source rock geochemistry combined with seismic data.</abstract><cop>Beijing</cop><pub>Science China Press</pub><doi>10.1007/s11430-024-1368-0</doi><tpages>17</tpages></addata></record> |
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| identifier | ISSN: 1674-7313 |
| ispartof | Science China. Earth sciences, 2024-10, Vol.67 (10), p.3169-3185 |
| issn | 1674-7313 1869-1897 |
| language | eng |
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| source | Springer Nature |
| subjects | Carboniferous Chemical composition Earth and Environmental Science Earth Sciences Energy resources Energy sources Gases Geochemistry Hydrogen sulfide Isotope composition Methane Natural gas Organosulfur compounds Permian Rock Rocks Seismic data Seismological data Silurian Sulfate reduction Sulfates Sulfur Sulfur compounds Sulphate reduction Sulphur Sulphur compounds Triassic |
| title | Chemical, carbon and sulfur isotopic compositions constrain the origin of Upper Carboniferous-Lower Triassic gases in eastern Sichuan Basin, SW China |
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