CHARACTERISTIC OF SEDIMENTARY MICROFACIES IN CHANG 6 OIL BEARING FORMATION OF YANCHANG FORMATION OF ANSAI OIL FIELD
Received date: 2004-07-20
Revised date: 2004-09-02
Online published: 2004-12-10
According to the outcrop observing and the core describing as well as lots of data analyzing, it indicated that front-delta deposition is the main sedimentary system of Chang 6 in Ansai district. The distributary channel deposits, the inter-distributary deposits and the sands are the main sedimentary microfacies in the studied area while the point bar isn't development. The distributary channel deposits is the main reservoir sands. The evolution and the distribution of the microfacies in every number have been studied. The accumulation of oil and gas are controlled by microfacies. The distributary channel deposit of Chang 6 is the good reservoir, and also is the direction of the developing in Ansai oil field.
DANG Ben，ZHAO Hong，LI Wen-hou，YANG Xiao-qi， DANG Yong-chao . CHARACTERISTIC OF SEDIMENTARY MICROFACIES IN CHANG 6 OIL BEARING FORMATION OF YANCHANG FORMATION OF ANSAI OIL FIELD[J]. Natural Gas Geoscience, 2004 , 15(6) : 597 -600 . DOI: 10.11764/j.issn.1672-1926.2004.06.597
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