New fields, new types and resource potentials of oil-gas exploration and development in Santanghu Basin

doi:10.7623/syxb202401007

Acta Petrolei Sinica ›› 2024, Vol. 45 ›› Issue (1): 115-132.DOI: 10.7623/syxb202401007

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New fields, new types and resource potentials of oil-gas exploration and development in Santanghu Basin

Zhi Dongming¹, Li Jianzhong¹, Zhou Zhichao², Jiao Lixin², Fan Tanguang², Li Bin², Liang Hui², Wang Xinggang²

1. Petrochina Tuha Oilfield Company, Xinjiang Hami 839009, China;
2. Research Institute of Exploration and Development, PetroChina Tuha Oilfield Company, Xinjiang Hami 839009, China

Received:2023-08-22 Revised:2023-09-15 Online:2024-01-25 Published:2024-02-20

三塘湖盆地油气勘探开发新领域、新类型及资源潜力

支东明¹, 李建忠¹, 周志超², 焦立新², 范谭广², 李斌², 梁辉², 王兴刚²

1. 中国石油吐哈油田公司新疆哈密 839009;
2. 中国石油吐哈油田公司勘探开发研究院新疆哈密 839009

通讯作者: 支东明,男,1971年1月生,2009年获西南石油大学硕士学位,现为中国石油吐哈油田公司教授级高级工程师,主要从事石油天然气地质综合研究及油气勘探开发管理工作。
作者简介:支东明,男,1971年1月生,2009年获西南石油大学硕士学位,现为中国石油吐哈油田公司教授级高级工程师,主要从事石油天然气地质综合研究及油气勘探开发管理工作。Email:zhidm@petrochina.com.cn
基金资助:
新疆维吾尔自治区科学技术厅"天山英才"培养计划科技创新领军人才项目"北疆地区二叠系超级盆地全油气系统地质理论研究与战略接替领域优选"（2022TSYCLJ0070）和中国石油天然气股份有限公司前瞻性基础性技术攻关项目"含煤盆地富油煤岩石物理响应与测井方法研究"（2021DJ3805）资助。

Abstract

Abstract: Over the past 30 years, significant progress has been made in the oil-gas exploration and development of Jurassic low-pressure sandstone reservoirs, Permian tuff reservoirs, and Carboniferous volcanic weathering crust reservoirs in Santanghu Basin, with the proved geological reserves of 168 ×10⁸t and a production capacity of crude oil of 56×10⁴t/a. The remaining oil-gas resources in Santanghu Basin have great potentials, but the proved unused reserves are insufficient. It is necessary to expand new fields and implement new types of oil-gas exploration and development, so as to achieve new discoveries and breakthroughs, and support stable and sustainable oil-gas production. Based on the understandings from the recent research on basin structure, source rock distribution, reservoir characteristics, as well as coal rock experiment, four new fields are proposed, i.e., southern thrust belt, shale oil in subsag areas, megaclast reservoirs at the near-source margin, and interior reservoirs in Carboniferous volcanics, with the petroleum geological resources of 0.86×10⁸t, 2.45×10⁸t, 0.69×10⁸t and 0.96×10⁸t, respectively. Also, two new types are proposed, i.e., coalbed methane in Jurassic Xishanyao Formation and tar-rich coal in Badaowan Formation, with the coalbed methane resources of 1 427×10⁸m³ and tar resources of 60.1×10⁸t, respectively. There is great resource potentials and broad prospects for exploration and development. Based on the hydrocarbon exploration degrees, geological conditions, and development technologies, deployments and arrangements were made at three levels, i.e., strategic deployment, strategic breakthrough, and strategic preparation.

Key words: resource potential, exploration and development, foreland thrust belt, shale oil, volcanic reservoirs, coal-based oil-gas, Santanghu Basin

摘要： 过去30年，三塘湖盆地在侏罗系低压砂岩油藏、二叠系凝灰岩油藏和石炭系火山岩风化壳油藏的油气勘探开发中取得了重要进展，探明石油地质储量为1.68×10⁸t，建成56×10⁴t/a的原油产能。三塘湖盆地剩余油气资源潜力大，但已探明未动用储量不足，需要落实油气勘探开发新领域和新类型，实现新的发现和突破，支撑稳健可持续的油气生产。基于盆地构造、烃源岩分布、储层特征研究及煤岩实验取得的认识，提出了南部冲断带、洼陷区页岩油、源边粗碎屑油藏和石炭系火山岩内幕型油藏4个新领域，其石油地质资源量分别为0.86×10⁸t、2.45×10⁸t、0.69×10⁸t和0.96×10⁸t，以及侏罗系西山窑组煤层气和八道湾组富油煤2种新类型，其煤层气资源量为1 427×10⁸m³，焦油资源量为60.20×10⁸t，资源潜力大，勘探开发前景广阔。根据勘探程度、地质条件和开发技术，按照战略展开、战略突破和战略准备3个层面进行了部署安排。

关键词: 资源潜力, 勘探开发, 前陆冲断带, 页岩油, 火山岩油藏, 煤基油气, 三塘湖盆地

CLC Number:

TE132.1

Zhi Dongming, Li Jianzhong, Zhou Zhichao, Jiao Lixin, Fan Tanguang, Li Bin, Liang Hui, Wang Xinggang. New fields, new types and resource potentials of oil-gas exploration and development in Santanghu Basin[J]. Acta Petrolei Sinica, 2024, 45(1): 115-132.

支东明, 李建忠, 周志超, 焦立新, 范谭广, 李斌, 梁辉, 王兴刚. 三塘湖盆地油气勘探开发新领域、新类型及资源潜力[J]. 石油学报, 2024, 45(1): 115-132.

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New fields, new types and resource potentials of oil-gas exploration and development in Santanghu Basin

三塘湖盆地油气勘探开发新领域、新类型及资源潜力

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