Search U.S. government technical reports digitized or harvested by TRAIL.
Selected geologic factors affecting mining of the Pittsburgh coalbed
Methane in the Pittsburgh coalbed, Greene County, Pa.
Methane ignition by frictional impact between aluminum alloys and rusted steel
Methane emissions from an advancing coal mine section in the Pittsburgh coalbed
Geological factors affecting methane in the Beckley coalbed
Longwall gob degasification with surface ventilation boreholes above the Lower Kittanning coalbed
Geology and methane content of the upper Freeport coalbed in Fayette County, Pa.
Effects of hydraulic stimulation on coalbeds and associated strata
Estimating methane content of bituminous coalbeds from adsorption data
Methane absorption in oil shale and its potential mine hazard
Water infusion of coalbeds for methane and dust control
Hydraulic stimulation of a surface borehole for gob degasification
Quenching methane-air ignitions with water sprays
Methane emissions from gassy coals in storage silos
Foam stimulation to enhance production from degasification wells in the Pittsburgh coalbed
Methane drainage study in the Sunnyside coalbed, Utah
Experimental studies on the origin and accumulation of coalbed gas
Methane drainage :experience with hydraulic stimulation through slotted casing
Directional drilling for coalbed degasification :program goals and progress in 1978
Grouting horizontal drainage holes in coalbeds
Forecasting methane hazards in metal and nonmetal mines
Control of methane by ventilation of shafts during raise drilling
Underground gob gas drainage during longwall mining
Probability of encountering coalbed discontinuities during vertical and horizontal borehole drilling
Inhibition and extinction of coal dust and methane explosions
Site-specific and regional geologic considerations for coalbed gas drainage
Methodology for determining occluded gas contents in domal rock salt
Overspeed protection for mine diesels :a literature review
Simulation of methane flows in noncoal mines
Influence of electrode material on spark ignition probability