China University of Mining and Technology (CUMT) - Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process, China University of Mining and Technology (CUMT) - Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process, China University of Mining and Technology (CUMT) - Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process, China University of Mining and Technology (CUMT) - Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process, China University of Mining and Technology (CUMT) - Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process and 194 Coal Geological Co,. Ltd.