Browse TRAIL Inventories

Methane and dust control by water infusion :Pittsburgh coalbed (Fairview, W. Va.)

Methane and dust controls for longwalls:Pocahontas no.3 coalbed, Grundy, Va.

Rotary drilling holes in coalbeds for degasification

Water infusion of coalbeds for methane and dust control

Methane drainage study using an underground pipeline, Marianna mine 58

Underground gob gas drainage during longwall mining

Degasification of the Mary Lee Coalbed, Brookwood, Ala.

Degasification study from an air shaft in the Beckley Coalbed

Control of longwall gob gas with cross-measure boreholes (upper Kittanning coalbed)

Water infusion -an effective and economical longwall dust control

Methane control on longwalls with cross-measure boreholes (Lower Kittanning Coalbed)

Comparisons between cross-measure boreholes and surface gob holes

Triboelectric effects on polyethylene methane drainage pipelines

Method factors for anemometer measurement at pipe outlets

Cost comparison of gob hole and cross-measure borehole systems to control methane in gobs

Horizontal trajectories of rotary-drilled holes


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