| The numerical modelling analysis on the characteristics of multi-type gas hydrates occurrence in the mass transport deposit area, the Qiongdongnan Basin | |
| Sun LuYi1,2,3,4; Li QingPing5; Chen Fang6; Yu Han6; Wang XiuJuan2,3,7,8; Jin JiaPeng2,3; Qian Jin9; Li LiXia5; Zhang GuangXu1,2,3; Zhang ZhengYi2,3,7,8 | |
| 2023-11-01 | |
| 发表期刊 | CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
 |
| ISSN | 0001-5733 |
| 卷号 | 66期号:11页码:4721-4741 |
| 通讯作者 | Wang XiuJuan([email protected]) |
| 摘要 | Fracture-filling gas hydrates with chimney-like seismic reflection and pore-filling gas hydrates within thin sand-rich layers related to thermogenic gas are revealed by gas hydrate drilling, three-dimensional seismic data and geochemical analysis within the Lingshui Sag of the Qiongdongnan Basin, north South China Sea. Different sites show different enrichment, thickness and morphologies of gas hydrates. However, to date, factors control the enrichment and accumulation of the multi-type gas hydrates are still poorly understood. In this work, based on the broadband reprocessed three-dimensional seismic data and the logging while drilling data, we delineated the spatial distribution of fracture-filling gas hydrates carefully and analyzed the influence of faults and mass transport deposit on the preservation of gas hydrates. We quantitatively simulated the controlling factors of formation and enrichment of multi -type gas hydrates by numerical modeling the basal stability zone of structure II gas hydrate affected by heavy hydrocarbon gas. Our results show that the faults initiated from the uplift connect the deep gas source and the gas hydrate stability zone, which control the upward migration of deep thermogenic gas. The local fractures within the mass transport deposits and the underlying sand-rich layers affect the superimposed distributions of gas hydrates. |
| 关键词 | Gas hydrates Multi-type Numerical modelling Superimposed distribution Qiongdongnan Basin |
| DOI | 10.6038/cjg2023R0003 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Geochemistry & Geophysics |
| WOS类目 | Geochemistry & Geophysics |
| WOS记录号 | WOS:001098162400023 |
| 出版者 | SCIENCE PRESS |
| WOS关键词 | DEEP-WATER AREA ; SOUTH CHINA SEA ; SUBMARINE-CANYON ; NATURAL GASES ; SHENHU AREA ; ACCUMULATION ; ORIGIN ; GEOCHEMISTRY ; RESERVOIR ; SYSTEMS |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/184086 |
| 专题 | 海洋地质与环境重点实验室 |
| 通讯作者 | Wang XiuJuan |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Shandong, Peoples R China 2.Laoshan Natl Lab Qingdao, Lab Marine Mineral Resources, Qingdao 266237, Shandong, Peoples R China 3.Laoshan Natl Lab Qingdao, Deep Sea Multidisciplinary Res Ctr, Qingdao 266237, Shandong, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.CNOOC Res Inst Co Ltd, State Key Lab Nat Gas Hydrate, Beijing 100028, Peoples R China 6.Guangzhou Marine Geol Survey, Guangzhou 510760, Peoples R China 7.Ocean Univ China, Frontiers Sci Ctr Deep Ocean Multispheres & Earth, Key Lab Submarine Geosci & Prospecting Tech, MOE, Qingdao 266100, Shandong, Peoples R China 8.Ocean Univ China, Coll Marine Geosci, Qingdao 266100, Shandong, Peoples R China 9.China Univ Min & Technol, Sch Resources & Geosci, Xuzhou 221116, Jiangsu, Peoples R China |
| 第一作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 GB/T 7714 | Sun LuYi,Li QingPing,Chen Fang,et al. The numerical modelling analysis on the characteristics of multi-type gas hydrates occurrence in the mass transport deposit area, the Qiongdongnan Basin[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2023,66(11):4721-4741. |
| APA | Sun LuYi.,Li QingPing.,Chen Fang.,Yu Han.,Wang XiuJuan.,...&Zhang ZhengYi.(2023).The numerical modelling analysis on the characteristics of multi-type gas hydrates occurrence in the mass transport deposit area, the Qiongdongnan Basin.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,66(11),4721-4741. |
| MLA | Sun LuYi,et al."The numerical modelling analysis on the characteristics of multi-type gas hydrates occurrence in the mass transport deposit area, the Qiongdongnan Basin".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 66.11(2023):4721-4741. |
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