Results 111 to 120 of about 2,665,111 (174)

Water Conduction and Production Mechanisms in Coal Measure Strata: Key Insights from a Typical Case Study. [PDF]

ACS Omega
Chang S, Gao G, Liu Y, Yan T, Zhang S, Meng Y, Yan X, Zhao D, Zhang C.   +8 more
europepmc   +1 more source

Methane drainage study in the Sunnyside coalbed, Utah [PDF]

"The Bureau of Mines is conducting research to determine the effectiveness of long holes in degasifying an area of the upper split of the lower Sunnyside coalbed at Kaiser SteelCompany's Sunnyside No. 1 mine. These holes were drilled from the two outside

core  

Adsorption Characteristics and Micromechanical Properties of CH₄‑Containing Coal under the Coupling Effect of Temperature and Pressure: A Molecular Simulation Study. [PDF]

ACS Omega
Wang M, Yin L, Yan W.
europepmc   +1 more source

Coalbed Methane Reservoir Characterization and Geological Modeling: A Case Study of Block A in the Shenfu Gas Field, Eastern Margin of the Ordos Basin. [PDF]

ACS Omega
Yang D, Tian Y, Fang M, Bai Y, Qi Y, Liu F, Feng R, Lu H.   +7 more
europepmc   +1 more source

Guidelines for the prediction and control of methane emissions on longwalls [PDF]

"Although longwall mining productivity can far exceed that of room-and-pillar mining, the total methane emissions per extracted volume associated with longwall sections are generally higher than those for continuous miner or pillar removal sections ...

core  

Preparation and Performance Evaluation of a Biodegradable Gel for Deep Coal Reservoir Drilling Fluids. [PDF]

Polymers (Basel)
Xin J, Hao X, Qi Z, Chen G, Wang W, Wang Z, Han J, Jin J, Wang G.   +8 more
europepmc   +1 more source

Methane emission from U.S. coal mines in 1975 : a survey : a supplement to Information circulars 8558 and 8659 [PDF]

This Bureau of Mines report tabulates methane emissions from U.S. bituminous coal mines with daily emission rates of at least 100,000 cfd according to States, counties, and coalbeds.

core  

Dynamic Fracture Monitoring Technique in Deep Coal Seams Based on a Time-Varying Electric Field Method. [PDF]

ACS Omega
Zhang J, Yang F, An Q, Ding H, Cao X, Yan B, Deng Q.   +6 more
europepmc   +1 more source

Subdivision of Gas-Bearing Systems and Sequence Stratigraphic Analysis in the Eastern Pingdingshan Mining District. [PDF]

ACS Omega
Liu S, Chen Y, Xue H, Zhang K, Zhao M, Dong J.   +5 more
europepmc   +1 more source

Comparative Study of Enhanced CH₄ Desorption in Real-Reservoir Coal Containing Trace O₂ under Injection of Different Superheated Gases. [PDF]

ACS Omega
Zhang X, Tang J, Wang A, Dai L, Jiang C, Wang F, Zhang X, Yu H, Chang T.   +8 more
europepmc   +1 more source