State Key Laboratory of Organic Geochemistry,Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China;
Sichuan Key Laboratory of Shale Gas Evaluation and Exploitation,Chengdu 610091,China;
Research Institute of Petroleum Exploration and Development,PetroChina Yarim Oilfield Company,Korla 841000,Xinjiang,China;
Kerogen; Heterogeneity; Tarim Basin; Stable isotope geochemistry;