Characterization of favorable lithofacies in tight sandstone reservoirs and its significance for gas exploration and exploitation: A case study of the 2nd Member of Triassic Xujiahe Formation in the Xinchang area, Sichuan Basin |
LIU Junlong,LIU Zhongqun,XIAO Kaihua,HUANG Yanqing,JIN Wujun |
Fig. 4. Types and typical core columns of lithofacies in the T3x2 Member of Xinchang tectonic zone. |