THE EVOLUTION OF ORDOVICIAN RESERVOIR AND MOVEMENT GATHERING OF OIL GAS IN ORDOS BASIN
Received date: 2005-09-14
Revised date: 2005-10-14
Online published: 2006-02-20
The palaeo-structrual pattern of Ordovician are three uplifts and two neks and one depress in Ordos basin.Three uplifts control together sedimentary system of Ordovician,at the same time control the development of the original reservoir.After sedimentary of Ordovician,sedimentary are interrupted about a hundred million years,karst reservoir developed widely.From benxi formation to middle Trias,the up-and-down configurations of Ordovician weathered crust peak are very steady,namely high in the middle and bellow in the east. There are a abrupt slop e between uplift and depress, it is important to evolution of karst reservoir. L ate trias, the up-and-down configurations of Ordovician weathered crust peak a re high on the west-north and low on the east-south, oil-gas moved to west-n orth. The middle Jurassic, the up-and-down configurations of Ordovician weathe red crust peak are high on the east and low on the west, oil-gas adjusted again , moved to east.
WANG Xin;LI Zhen-Hong;ZHENG Cong-bin . THE EVOLUTION OF ORDOVICIAN RESERVOIR AND MOVEMENT GATHERING OF OIL GAS IN ORDOS BASIN[J]. Natural Gas Geoscience, 2006 , 17(1) : 114 -118 . DOI: 10.11764/j.issn.1672-1926.2006.01.114
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