Exploration prospects of the whole oil and gas system in the Permian hydrocarbon depressions in the Eastern Junggar Basin

ZHI Dongming; XIE An; YANG Fan; MA Qiang; HE Changsong; GOU Hongguang

doi:10.12090/j.issn.1006-6616.2024029

Volume 30 Issue 5

Oct. 2024

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Article Navigation > Journal of Geomechanics > 2024 > 30(5): 781-794

ZHI D M，XIE A，YANG F，et al.，2024. Exploration prospects of the whole oil and gas system in the Permian hydrocarbon depressions in the Eastern Junggar Basin[J]. Journal of Geomechanics，30（5）：781−794 doi: 10.12090/j.issn.1006-6616.2024029

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Exploration prospects of the whole oil and gas system in the Permian hydrocarbon depressions in the Eastern Junggar Basin

doi: 10.12090/j.issn.1006-6616.2024029

1.
Xinjiang Research Institute of Huairou Laboratory, Urumqi 830000, Xinjiang, China
2.
Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China
3.
Tuha Oilfield Company, PetroChina, Hami 839009, Xinjiang, China

Funds: This research is financially supported by the Xinjiang Uygur Autonomous Region "Tianshan Talents" Scientific and Technological Innovation Leading Talent Support Project (Grant No. 2022TSYCLJ0070).

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Author Bio:
支东明，1971年1月出生，教授级高级工程师，油气勘探与石油地质专业，2023年荣获第十八次李四光地质科学奖野外奖。现任怀柔国家实验室新疆基地（新疆研究院）常务副主任（常务副院长）、中国石油集团公司地质勘探首席专家，兼任中国石油大学（北京）、西南石油大学博士生导师。参加工作近30年来长期扎根祖国西部边陲，致力于新疆地区油气地质理论研究与勘探实践，主持我国首个国家级陆相页岩油示范区——新疆吉木萨尔页岩油示范区设立与建设，牵头完成10余项国家级和省部级油气重大科技专项，创新发展了凹陷区砾岩油藏勘探、陆相页岩油勘探开发、复杂前陆深大构造勘探等理论技术，主持研究发现了新疆玛湖、吉木萨尔页岩油两个10亿吨级特大型油田和一批重大油气发现成果。荣获国家科技进步一等奖1项（R1）、中国专利银奖1项（R1）、省部级科技进步与技术发明一等奖5项，入选中国石油学会首届会士、新疆首批科技创新领军人才，获得孙越崎能源大奖、黄汲清青年地质科学技术奖、金罗盘奖，享受国务院政府特殊津贴。出版专著10部，发表论文60余篇
Received: 2024-03-20
Revised: 2024-07-02
Accepted: 2024-07-04

Available Online: 2024-08-10

Published: 2024-10-28

Abstract

Abstract

Objective Multiple types of oil reservoirs, including conventional oil, tight oil, and shale oil, have been discovered from the slope area to the depression area in the Jimusaer Depression, demonstrating the characteristics of conventional–unconventional ordered coexistence and complete oil and gas system accumulation. Methods Source rocks, sedimentary reservoirs, and reservoir formation were examined to explore the rules of oil and gas accumulation in hydrocarbon-rich depressions in the Eastern Junggar. Results High-quality, saline, lacustrine facies source rocks are believed to be developed in the Middle Permian of the Eastern Junggar. The source rocks in the Jinan, Jimusaer, and Shishugou Depressions have large scale and best quality and have reached the mature stage of evolution. The inherited ancient uplifts around the Permian hydrocarbon-rich depression provided long-term material sources, with the development of fan deltas, braided river deltas, and saline lake sediments, forming sandy conglomerates, cloudy sandstones, cloudy mudstones, etc., in an orderly manner and demonstrating the characteristics of grain sequence reservoir formation. Conventional oil and gas, tight oil and gas, and shale oil and gas accumulations, demonstrating a complete type of reservoir formation and complete oil and gas system development pattern, are developed from the edge of the basin to the depression area. Conclusions The depressions in the Eastern Junggar Basin show a whole oil and gas system pattern. Significance Under the guidance of the entire oil and gas system reservoir formation model, the southern slope of the Shishugou Sag and the Lucaogou Formation of the Jinan Sag were selected as important exploration zones for future exploration in the Eastern Junggar.
- whole oil and gas system,
- saline lacustrine basin,
- Jimusaer Depression,
- Shishugou Depression,
- Jinan Depression,
- Junggar Basin

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References(61)

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