GEOCHEMISTRY AND COMPREHENSIVE EVALUATION OF SOIL FOR OIL AND GAS IN BAICHENG AREA, WESTERN MARGIN OF SONGLIAO BASIN
SU Fei1, BIAN Xiong-fei1, WANG Bo2, ZHANG Jian1
1. Shenyang Center of China Geological Survey, Shenyang 110034, China; 2. No.2 Geophysical Exploration Team of Shaanxi Geology and Mineral Resources Bureau, Xi'an 710016, China
Abstract:The analysis methods of acidolysis hydrocarbon, ultraviolet spectrometry and fluorescence spectrometry are used in soil geochemical exploration for oil-gas in the western margin of Songliao Basin to summarize the geochemical anomaly characteristics of methane, heavy hydrocarbon, aromatic hydrocarbon and its derivatives and altered carbonate, and delineate the Qikeshu grade-I composite anomaly and Qianjinmachang grade-III composite anomaly. The former is characterized by high anomaly intensity and large scale, with the most favorable oil-gas prospect of Baicheng area as the anomaly area and good oil-gas show in the borehole of ZS1 well, which is the main direction of further exploration, while the latter is in small scale with simple indicator combination but high anomaly intensity, worthy of further attention.
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SU Fei, BIAN Xiong-fei, WANG Bo, ZHANG Jian. GEOCHEMISTRY AND COMPREHENSIVE EVALUATION OF SOIL FOR OIL AND GAS IN BAICHENG AREA, WESTERN MARGIN OF SONGLIAO BASIN. GEOLOGY AND RESOURCES, 2022, 31(3): 375-380.
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