Reservoir-forming Features of Oil and Gas in North of Qaidam Basin

SUN De-qiang ; ZHANG Tao ;LIANG Bin  ;QI Wen-zhen ;LIU Jian ;ZHAI Zhi-feng ;YANG LIAN-xi ;LIU Zhi-Zhou ;ZHAO Fan

doi:10.11764/j.issn.1672-1926.2008.05.652

Natural Gas Geoscience >

2008 , Vol. 19 >Issue 05: 652 - 656

DOI: https://doi.org/10.11764/j.issn.1672-1926.2008.05.652

Reservoir-forming Features of Oil and Gas in North of Qaidam Basin

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(1. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China;2.China Petroleum Enginering CO. (Qinghai), Dunhuang 736202, China; 3. Petroleum Exploration and Development Research Institute,Qinghai Oilfield Company, Dunhuang 736202; China; 4.Qinghai Department of Logging Limited Company of CNPC, Dunhuang 736202, China;5. No.1 Production Plant of Qinghai Oilfield, Huatugou 816400, China)

Received date: 2008-07-31

Revised date: 2008-09-22

Online published: 2008-10-10

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Abstract

Despite of its encouraging exploration prospect, the northern Qaidam basin has a complex geologic background which makes it difficult to understand the reservoir forming law of oil and gas. Analysis on accumulation times and migration direction and rebuilding on accumulation conditions reveal that different oil and gas fields, even different blocks have different petroleum charging times and pool forming conditions, and that the pool forming of Lenghu Area in the northern Qaidam basin is divided into there stages: sedimentary and erosion in Jurassic, deep pool forming in Early Teriary and shallow pool forming in Late Teriary

Key words： Northern Qaidam Basin; Oil and gas; Pool forming; Fluid inclusions.

Cite this article

SUN De-qiang ; ZHANG Tao ;LIANG Bin ;QI Wen-zhen ;LIU Jian ;ZHAI Zhi-feng ;YANG LIAN-xi ;LIU Zhi-Zhou ;ZHAO Fan . Reservoir-forming Features of Oil and Gas in North of Qaidam Basin[J]. Natural Gas Geoscience, 2008 , 19(05) : 652 -656 . DOI: 10.11764/j.issn.1672-1926.2008.05.652

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