ACCUMULATION REGULARITY IN  NORTHERN OF QAIDAM BASIN

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  • Northwest Branch, Research Institute of Petroleum Exploration and Development, PetroChina, Lanzhou 730020, China

Received date: 2006-07-24

  Revised date: 2006-08-24

  Online published: 2006-10-20

Abstract

Based on the analysis of Meso-Cenozoic sedimentation and structural reconstruction in northern of Qaidam basin, general review the reservoiring patterns of variant petroleum systems of middle-lower Jurassic in northern of Qaidam basin. With the generalization of reservoiring patterns of existing petroleum reservoirs and put forth the favorable reservoir combinations and bed sets of each region. With the deeply understand of reservoiring patterns in northern of Qaidam basin, from the points of oil-gas generation, migration, accumulation and reservoiring to analysis the accumulation regularity in northern of Qaidam basin. Combining the structural evolution of petroleum generation depressions of middle-lower Jurassic, point out that the scale of the effective petroleum generation depression and the structural position where the depression is controlled the accumulation of petroleum. The phase state of petroleum is controlled by buried depth in horizon and oil\|gas generation period in vertial.

Cite this article

Zhang Zheng-gang,Yuan Jian-ying,Chen Qi-lin . ACCUMULATION REGULARITY IN  NORTHERN OF QAIDAM BASIN[J]. Natural Gas Geoscience, 2006 , 17(5) : 649 -652 . DOI: 10.11764/j.issn.1672-1926.2006.05.649

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