Exploration&Development Research Institute of PetroChina Qinghai Oilfield Company 736200;
No.2 Oil Production Plant of PetroChina Qinghai Oilfield Company 736200;
No.1 Oil Production Plant of PetroChina Qinghai Oilfield Company 736200;
energy resources; unconventional reservoir; sedimentary petrology; organic geochemistry; SALINIZATION; lacustrine sediments; NEOGENE;