The Subfacies Boundary Description of Fan Delta under the Control of Sequence Stratigraphy of Triassic Baikouquan Formation in the Mahu Slope Area,Junggar Basin
Received date: 2015-05-21
Revised date: 2015-08-21
Online published: 2015-09-20
The overall understanding of favorable facies was limited of Triassic Baikouquan Formation in the Mahu slope area of Junggar Basin because of the inconsistent drilling stratigraphic division and non-Isochronism.Through the combination of well and seismic,sequence stratigraphic framework was built,and a four-level sequence interface was recognized for the Baikouquan Formation.According to the idea of “point-line-surface”,using the core and logging data,the sequence stratigraphy can be divided and the sedimentary system characteristics can be recognized.Using the seismic deposition technology,the sequence evolution and the subfacies boundary can be described.The favorable fan delta front facies area of the Mahu slope is about 13 000km2,and the central sag also developed a large area of front facies.The research broadened the favorable area.
HUANG Lin-jun,TANG Yong,CHEN Yong-bo,QU Jian-hua,MA Yong-ping,TENG Tuan-yu,GUO Juan-juan . The Subfacies Boundary Description of Fan Delta under the Control of Sequence Stratigraphy of Triassic Baikouquan Formation in the Mahu Slope Area,Junggar Basin[J]. Natural Gas Geoscience, 2015 , 26(S1) : 25 -32 . DOI: 10.11764/j.issn.1672-1926.2015.S1.0025
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