储层岩心提取物中的极性非烃污染物的检测
储层岩心提取物中的极性非烃污染物 Polar non-hydrocarbon contaminants in reservoir core extracts30克岩芯粉末以二氯甲烷和甲醇的共沸混合物(93:7)为溶剂使用格哈特索克森自动萃取仪萃取样品。Approximately 30 g of powdered rock sample was extracted with an azeotropic mixture of dichloromethane±methanol (93 : 7) using a soxtherm apparatus (Soxtherm automatic, Gerhardt).