收稿日期: 2017-11-07
修回日期: 2018-02-23
网络出版日期: 2018-04-10
基金资助
青海省地质勘查基金“青海省都兰县八宝山地区页岩气资源调查评价项目”（编号:2016021011kc063)；青海省重大科技专项“柴达木盆地南北缘成矿系统勘查开发示范项目”（编号:2016-SF-A3）联合资助.
Structural evolution and organic geochemical characteristics of source rocksin the Babaoshan Basin in eastern Kunlun area，Qinghai Province
Received date: 2017-11-07
Revised date: 2018-02-23
Online published: 2018-04-10
贺领兄，宋维刚，安生婷，徐永锋，沈娟，路超，王军 . 青海东昆仑地区八宝山盆地烃源岩有机地球化学特征与页岩气勘探前景[J]. 天然气地球科学, 2018 , 29(4) : 538 -549 . DOI: 10.11764/j.issn.1672-1926.2018.03.005
The Upper Triassic Babaoshan Formation in the Babaoshan Basin is a set of terrestrial sedimentary rocks dominated by volcanics and clasolite.Multiple layers of source rocks with various thickness are developed in these sediments.Through the route geological survey，drilling and sampling testing system，this paper analyzes the abundance，type and maturity of organic matter of the source rocks of the Upper Permian Babaoshan Formation in the Babaoshan Basin.The results show that the average value of organic carbon content (TOC)of the dark shale is 2.23%，indicative of good source rock.The organic matter belongs to (humus)type Ⅲ kerogen.The thermal maturity (RO)is 2.53%，and it is at highly mature stage.The sedimentary environment is a fluvial lacustrine depositional system.Therefore，it is considered that the shale gas reservoirs have a good prospect in the Upper Triassic Babaoshan Formation.
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