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Characteristics and Distribution Rule of Oil Shale in Lunpola Basin, Tibet

Xie Shangke1,2，Du Baiwei1,2，Wang Jian1,2，Peng Qinghua1,2，Zheng Bo1,2   

  1. 1.Chengdu Center,China Geological Survey,Chengdu610081, China;
    2.Key Laboratory for Sedimentary Basin and Oil and Gas Resources, Ministry of Land and Resources, Chengdu610081, China
  • Received:2014-03-14 Online:2014-11-26 Published:2014-11-26

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Abstract:

There are large-scale outcrop of oil shale in Lunpola basin, and the Lunpola oil shale is characterized by high oil content, high ash and special low sulfur according to the criteria of the oil shale industry classification. The Lunpola oil shale mainly developed in the Dingqinghu Formation, and had been formed in a semi-deep to deep lacustrine depositional environment. Based on collected data and lithofacies paleogeography study, the thickness of Lunpola oil shale was controlled by sedimentary facies, and gradually decreased in ring trend from deep lacustrine facies, semi-deep lacustrine facies, shallow lacustrine facies to lakeshore facies. The oil shale thickness is relatively large in Lunpori and Jiangriacuo area, which are located in the basin center, and has great prospects for development and utilization.

Key words: Lunpola basin, Dingqinghu Formation, oil shale, oil yield, distributing rules

CLC Number: 

  • P618.12
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