We suggest that the favorable reservoir facies within Ganchaigou Formation in West Qaidam Basin are delta front facies, fan-delta front facies, dam-and-beach facies of the littoral and shallow lake, lacustrine floor fan facies and carbonates facies.

• 强调了三角洲相前缘、扇三角洲相前缘、滨浅湖滩坝、湖底扇以及碳酸盐岩沉积是西部地区干柴沟组有利的储集岩相带。