Sichuan Basin, a large and old oil-bearing superimposed basin in western China, has an acreage of 190 thousand square kilometers. Its superimposed strata are composed of 7000-12000 meters of sedimentary rock from the ...Sichuan Basin, a large and old oil-bearing superimposed basin in western China, has an acreage of 190 thousand square kilometers. Its superimposed strata are composed of 7000-12000 meters of sedimentary rock from the Sinian to the Quaternary, in which the strata are mainly marine carbonate below the Middle Triassic and terrestrial clastic rock above the Upper Triassic. For more than 50 years, CNPC has been working in the basin展开更多
文摘Sichuan Basin, a large and old oil-bearing superimposed basin in western China, has an acreage of 190 thousand square kilometers. Its superimposed strata are composed of 7000-12000 meters of sedimentary rock from the Sinian to the Quaternary, in which the strata are mainly marine carbonate below the Middle Triassic and terrestrial clastic rock above the Upper Triassic. For more than 50 years, CNPC has been working in the basin
