Author(s): Xia Wenchen Fang Yanjun
Pages: 43-52
Year: 1993 Issue:  1
Journal: Oil & Gas Geology
Keyword:  碎屑湖滨带; 沉积构成; 成因单位; 沉积相; 生长层序; 沉积总体;
Abstract: Lacustrine clastic shoreline depositional package is common in the lacustrine system.Not only it has some particular lithofacies and genetic units which present relative deposi-tional processes,but also has special features on the shape of sand-dispersal system andinternal architecture.A complete sequence of lacustrine clastic shoreline depositionalpackage consists of deep lake and subaqueous gravity flow facies,transitional zone facies,low energy shallow lake and beach facies,high energy shoreline facies.Because thesand-dispersal system of lacustrine clastic shoreline depositional package is usually in-terfingering with deep lake mudstone,and the sandstone has good porosity and permeabili-ty,it is a excellent reservoir for oil and gas.