State Key Laboratory of Petroleum Resources and Prospecting University of Petroleum(Beijing) 102249;
College of Geosciences University of Petroleum(Beijing) 102249;
Research Institute of Exploration and Development Tuha Oilfield Company 839009;
Organic-rich rocks; PALEOENVIRONMENT; Organic matter enrichment; Hydrothermal activity; Ha’erjiawu Formation; Santanghu Basin;