The intra-platform of the fourth member of the Dengying Formation in the Upper Sinian of the Sichuan Basin is an important area for gas exploration. To clarify the hydrocarbon accumulation and enrichment patterns and distribution characteristics in this region. a study was conducted on the hydrocarbon sources and accumulation processes based on geochemical characteristics of natural g... https://herbsdailyes.shop/product-category/nutritional-food-supplements/