College of Geoscience and Surveying Engineering;
China University of Mining and Technology;
Shandong Provincial Key Laboratory of Depositional Mineralization & Sedimentary Minerals;
Shandong University of Science and Technology;
CSIRO Energy;
Private Bag 10;
China United Coal Bed Methane Co.Ltd;
School of Earth and Space Sciences;
Peking University;
coal; measure; gas; transitional; shale; gas; tight; sand; gas; three; gases; eastern; Ordos; Basin;