The Controlling Factors of the Natural Gas Hydrate Accumulation in the Songnan Low Uplift, Qiongdongnan Basin, China
Hydrocarbon charging stages and natural gas hydrate accumulation models were established in the Songnan Low Uplift, Qiongdongnan Basin (QDNB), China. Detailed geochemical analysis, paleotemperature and paleopressure analyses, seismic interpretation, and hydrocarbon charging characterization were con...
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| Format: | Article |
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Frontiers Media S.A.
2022-05-01
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| Series: | Frontiers in Earth Science |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/feart.2022.882080/full |
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| author | Yang Wei Yang Wei Yang Wei Yang Wei Kuang Zenggui Kuang Zenggui Ren Jinfeng Ren Jinfeng Liang Jinqiang Liang Jinqiang Lu Hong Ning Zijie Ning Zijie Xu Chenlu Xu Chenlu Lai Hongfei Lai Hongfei Chen Rui Zhao Bin Chen Jing Chen Jing Zhang Xi Zhang Xi Liu Lei |
| author_facet | Yang Wei Yang Wei Yang Wei Yang Wei Kuang Zenggui Kuang Zenggui Ren Jinfeng Ren Jinfeng Liang Jinqiang Liang Jinqiang Lu Hong Ning Zijie Ning Zijie Xu Chenlu Xu Chenlu Lai Hongfei Lai Hongfei Chen Rui Zhao Bin Chen Jing Chen Jing Zhang Xi Zhang Xi Liu Lei |
| author_sort | Yang Wei |
| collection | DOAJ |
| description | Hydrocarbon charging stages and natural gas hydrate accumulation models were established in the Songnan Low Uplift, Qiongdongnan Basin (QDNB), China. Detailed geochemical analysis, paleotemperature and paleopressure analyses, seismic interpretation, and hydrocarbon charging characterization were conducted to investigate the controlling factors of natural gas hydrate accumulation. The Yacheng and Lingshui formations in the Lingshui Sag were identified as effective source rocks. The δ13C1 values of the gas hydrates vary from −35.97‰ to −59.50‰, following a direction from the Sag Center to the Low Uplift, indicating that δ13C1 values became relatively lighter during gas migration. Seismic data evidence revealed that large-scale faults, laterally distributed sandstones, and gas chimneys were comprehensive, however efficient hydrocarbon migration pathways. Systematic overpressure was developed in the Yacheng and Huangliu formations, which offer sufficient hydrocarbon migration impetus. Hydrocarbon-bearing aqueous inclusions and their coexisting aqueous inclusions were observed in the Huangliu Formation in the Lingshui Sag, indicating four stages of hydrocarbon charging in the QDNB. Based on the comprehensive analysis in this research, two gas hydrate accumulation models were proposed in the Songnan Low Uplift, QDNB, as follows: 1) a mixture of gas migrated by large-scale faults and a thermogenic-biogenic mixed gas model and 2) gas hydrates from laterally distributed sandstones sealed by MTDs. |
| first_indexed | 2024-04-13T21:06:25Z |
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| id | doaj.art-2aaf087a0bfe45e69f7aa74147c6ada0 |
| institution | Directory Open Access Journal |
| issn | 2296-6463 |
| language | English |
| last_indexed | 2024-04-13T21:06:25Z |
| publishDate | 2022-05-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Earth Science |
| spelling | doaj.art-2aaf087a0bfe45e69f7aa74147c6ada02022-12-22T02:29:57ZengFrontiers Media S.A.Frontiers in Earth Science2296-64632022-05-011010.3389/feart.2022.882080882080The Controlling Factors of the Natural Gas Hydrate Accumulation in the Songnan Low Uplift, Qiongdongnan Basin, ChinaYang Wei0Yang Wei1Yang Wei2Yang Wei3Kuang Zenggui4Kuang Zenggui5Ren Jinfeng6Ren Jinfeng7Liang Jinqiang8Liang Jinqiang9Lu Hong10Ning Zijie11Ning Zijie12Xu Chenlu13Xu Chenlu14Lai Hongfei15Lai Hongfei16Chen Rui17Zhao Bin18Chen Jing19Chen Jing20Zhang Xi21Zhang Xi22Liu Lei23Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, ChinaState Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, ChinaNational Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaNational Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaNational Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaNational Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaState Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, ChinaNational Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaNational Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaNational Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaNational Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaNational Engineering Research Center of Gas Hydrate Exploration and Development, Guangzhou, ChinaGuangzhou Marine Geology Survey, China Geological Survey, Guangzhou, ChinaBeijing International Engineering Consulting Co., Ltd., Beijing, ChinaHydrocarbon charging stages and natural gas hydrate accumulation models were established in the Songnan Low Uplift, Qiongdongnan Basin (QDNB), China. Detailed geochemical analysis, paleotemperature and paleopressure analyses, seismic interpretation, and hydrocarbon charging characterization were conducted to investigate the controlling factors of natural gas hydrate accumulation. The Yacheng and Lingshui formations in the Lingshui Sag were identified as effective source rocks. The δ13C1 values of the gas hydrates vary from −35.97‰ to −59.50‰, following a direction from the Sag Center to the Low Uplift, indicating that δ13C1 values became relatively lighter during gas migration. Seismic data evidence revealed that large-scale faults, laterally distributed sandstones, and gas chimneys were comprehensive, however efficient hydrocarbon migration pathways. Systematic overpressure was developed in the Yacheng and Huangliu formations, which offer sufficient hydrocarbon migration impetus. Hydrocarbon-bearing aqueous inclusions and their coexisting aqueous inclusions were observed in the Huangliu Formation in the Lingshui Sag, indicating four stages of hydrocarbon charging in the QDNB. Based on the comprehensive analysis in this research, two gas hydrate accumulation models were proposed in the Songnan Low Uplift, QDNB, as follows: 1) a mixture of gas migrated by large-scale faults and a thermogenic-biogenic mixed gas model and 2) gas hydrates from laterally distributed sandstones sealed by MTDs.https://www.frontiersin.org/articles/10.3389/feart.2022.882080/fullmigration pathwaypaleopressure characteristicshydrocarbon charging stagesgas hydrate accumulationthe Songnan Low Uplift |
| spellingShingle | Yang Wei Yang Wei Yang Wei Yang Wei Kuang Zenggui Kuang Zenggui Ren Jinfeng Ren Jinfeng Liang Jinqiang Liang Jinqiang Lu Hong Ning Zijie Ning Zijie Xu Chenlu Xu Chenlu Lai Hongfei Lai Hongfei Chen Rui Zhao Bin Chen Jing Chen Jing Zhang Xi Zhang Xi Liu Lei The Controlling Factors of the Natural Gas Hydrate Accumulation in the Songnan Low Uplift, Qiongdongnan Basin, China Frontiers in Earth Science migration pathway paleopressure characteristics hydrocarbon charging stages gas hydrate accumulation the Songnan Low Uplift |
| title | The Controlling Factors of the Natural Gas Hydrate Accumulation in the Songnan Low Uplift, Qiongdongnan Basin, China |
| title_full | The Controlling Factors of the Natural Gas Hydrate Accumulation in the Songnan Low Uplift, Qiongdongnan Basin, China |
| title_fullStr | The Controlling Factors of the Natural Gas Hydrate Accumulation in the Songnan Low Uplift, Qiongdongnan Basin, China |
| title_full_unstemmed | The Controlling Factors of the Natural Gas Hydrate Accumulation in the Songnan Low Uplift, Qiongdongnan Basin, China |
| title_short | The Controlling Factors of the Natural Gas Hydrate Accumulation in the Songnan Low Uplift, Qiongdongnan Basin, China |
| title_sort | controlling factors of the natural gas hydrate accumulation in the songnan low uplift qiongdongnan basin china |
| topic | migration pathway paleopressure characteristics hydrocarbon charging stages gas hydrate accumulation the Songnan Low Uplift |
| url | https://www.frontiersin.org/articles/10.3389/feart.2022.882080/full |
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