Characteristics and genesis of high-gamma sandstones in the 6th to 9th oil groups of the Triassic Yanchang Formation， Wuqi area， Ordos Basin
Hao DIAO, Xinzhi YAN, Jingzhou ZHAO, Rong MA
Oil & Gas Geology . 2025, (5): 1700 -1716 .  DOI: 10.11743/ogg20250519