2012, 31(4) 712-720 DOI:     ISSN: 1004-5589 CN: 22-1111/P
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Keywords
Tabei area
Triassic
seismic attributes
seismic facies
sedimentary facies
Authors
SHI Xiao-Zhang
REN Lai-Yi
QU Feng-Jie
DU Yan-Jun
WANG Bian-Yang
PubMed
Article by Shi, X. Z.
Article by Ren, L. Y.
Article by Qu, F. J.
Article by Du, Y. J.
Article by Wang, B. Y.

Depositional characteristics of Triassic in northern Tarim Basin and its significance for petroleum exploration

SHI Xiao-Zhang, REN Lai-Yi, QU Feng-Jie, DU Yan-Jun, WANG Bian-Yang

Research Institute of Yanchang Petroleum ( Group) Limited Company��Xi’an 710075��China

Abstract��

According to the logging data and well logging data of 120 wells��the authors analyze the seismic facies of 25 000 kilometers two dimensional seismic sections and analyze seismic attributes of the three dimensional seismic data of the northern Tarim area��using the seismic amplitude attributes��coherence and seismic facies as the main research techniques�� Six sedimentary facies developed in the Triassic: meandering river��braided river��delta�� littoral-shallow lake��half-deep lake and deep lake�� With the comprehensive analysis of oil and gas accumulation and the sedimentary evolution history��the sandbodys of the meandering river channel��braided river channel��aquatic bifurcating channels and subquatic distributary channel in the Triassic are considered to be favorable lithological- prospecting objects��

Keywords�� Tabei area   Triassic   seismic attributes   seismic facies   sedimentary facies  
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