Geological conditions of the Mesoproterozoic shale gas accumulation in Yanshan area, North China

被引：0

作者：

Liu J. ^{[1
]}

Zhou Z. ^{[2
]}

Liu X. ^{[1
]}

Ren S. ^{[3
]}

Wang J. ^{[1
]}

Wang H. ^{[4
]}

Zhou C. ^{[1
]}

Liu Y. ^{[4
]}

机构：

[1] Exploration and Development Research Institute, PetroChina Huabei Oilfield Company, Renqiu, 062552, Hebei

[2] Oil and Gas Survey Center, China Geological Survey, Beijing

[3] China Geological Survey, Beijing

[4] School of Earth Sciences and Resources, China University of Geosciences, Beijing

来源：

Shiyou Xuebao/Acta Petrolei Sinica | 2019年 / 40卷 / 03期

关键词：

Accumulation geological conditions; Favorable area; Mesoproterozoic; Shale gas; Yanshan area;

D O I：

10.7623/syxb201903002

中图分类号：

学科分类号：

摘要：

Two sets of organic-rich shale are developed in Yanshan area, including Mesoproterozoic Hongshuizhuang Formation and Xiamaling Formation. Because of low exploration level, the exploration potential of these shale gas resource is unknown. Based on the field geological survey in the Huailai county and Kuancheng county of Hebei province and the Ming Tombs area of Beijing, and the observation and experimental test of Mesoproterozoic black shale cores in Wells Jiyuan-1, Jiqian-1 and Jing-101, the geological conditions of shale gas accumulation in black shale of Hongshuizhuang Formation and Xiamaling Formation are studied, including the sedimentary facies distribution, abundance and type of organic matter, thermal maturity, porosity, permeability and rock mineral features. Research result shows that the shale in Hongshuizhuang Formation and Xiamaling Formation is characterized by large thickness, high organic matter content, moderate thermal evolutionary degree, late hydrocarbon generation, little destructive effect from late tectonic activity, and favorable accumulation geological conditions. The shale gas favorable area for Hongshuizhuang Formation is in the stable tectonic zone from Chengde to Kuancheng of Hebei province; and the area for Xiamaling Formation is in the stable tectonic zone from Zhuozhou of Hebei province to Fangshan, Mentougou and Changping of Beijing, as well as in the Lanqiyingzi area of Hebei province. © 2019, Editorial Office of ACTA PETROLEI SINICA. All right reserved.

引用

页码：268 / 278

页数：10

共 35 条

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