Search U.S. government technical reports digitized or harvested by TRAIL.
Effect of a surface borehole on longwall gob degasification(Pocahontas No. 3 Coalbed)
An in-situ diffusion parameter for the Pittsburgh and Pocahontas No. 3 coalbeds
Methane migration characteristics of the Pocahontas No. 3 coalbed
Methane emission in coal mines :effects of oil and gas wells
Methane and dust control by water infusion :Pittsburgh coalbed (Fairview, W. Va.)
Methane control in United States coal mines, 1972
Gases desorbed from five coals of low gas content
Bleeder system in virgin area in a Pittsburgh coalbed mine
Methane in the Pittsburgh coalbed, Washington County, Pa.
Methane and dust controls for longwalls:Pocahontas no.3 coalbed, Grundy, Va.
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