塔北沙西—轮台地区亚格列木组砂岩沉积相及储层评价

SEDIMENT FACIES AND RESERVOIR APPRECIATION OF SANDSTONE OF YAGELIEMU FORMATION FROM SHAXI LUNTAI ZONE OF NORTHERN TARIM BASIN

沙雅西—轮台地区卡普沙良群亚格列木组为一套棕红色陆相碎屑岩沉积,包括冲积扇、辫状河、三角洲、辫状河三角洲和砾质滨岸等沉积体系,多呈扇形。岩性较粗,通常具有较高的原始孔隙度,是有利的油气储集体,按储层的好坏可分为4类储层区。

Yageliemu Formation of Kapushaliang Group is composed of brown red clastic nonmarine sediment in Shaxi Luntai zone of northern Tarim Basin which includes the sediment system of rush fan,braid river,delta,braid river delta and shore bank of gravel etc.Most of them show as sector and the lithogy is coarser,usually possessed of higher original porosity.They are remunerative reservoir of petroleum.Based on quality,it can be divided into 4 kinds of reservoir zones.