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Mining Publication: Gas Migration Characteristics of Coalbeds
Keywords: Clay veins Coal Drilling Methane control Pressure
This page is archived for historical purposes and is no longer being maintained or updated. Contact NIOSH Mining if you need an accessible version.
Original creation date: March 1969
Authors: JD Hadden, A Sainato
Reference - March 1969
Download PDF Document (0.98 MB)
NIOSHTIC2 Number: 10000177
U.S. Department of the Interior, Bureau of Mines. Technical Progress Report 12, 1969; :1-10
The Bureau of Mines conducted drilling studies in the Pocahontas No. 3, the Pittsburgh, and a western coalbed to establish the gas migration characteristics for each. Gas pressures in the Pittsburgh coalbed were about 260 lb/in2 and in excess of 550 lb/in2 in the Pocahontas No. 3. Caving in drill holes prevented pressure measurements in the western coalbed. The Pittsburgh coalbed contained intersecting clay veins which formed gas pressure cells. Although these geological features hamper mining, they can be used to control the flow of methane into a mine working. Methane control techniques are proposed for the Pittsburgh and Pocahontas No. 3 coalbeds.
Image of publication Gas Migration Characteristics of CoalbedsReference - March 1969
Download PDF Document (0.98 MB)
NIOSHTIC2 Number: 10000177
U.S. Department of the Interior, Bureau of Mines. Technical Progress Report 12, 1969; :1-10
See Also
Development and Application of Reservoir Models and Artificial Neural Networks for Optimizing Ventilation Air Requirements in Development Mining of Coal Seams
Evaluation of the Relative Importance of Coalbed Reservoir Parameters for Prediction of Methane Inflow Rates During Mining of Longwall Development Entries
A Gas Pressure-Based Drift Round Blast Design Methodology
Methane and Dust Control by Water Infusion: Pittsburgh Coalbed (Fairview, W. Va.)
Methane Diffusion Parameters for Sized Coal Particles: A Measuring Apparatus and Some Preliminary Results
Modeling and Prediction of Ventilation Methane Emissions of U.S. Longwall Mines Using Supervised Artificial Neural Networks
Probability of Encountering Coalbed Discontinuities During Vertical and Horizontal Borehole Drilling
Remote Methane Sensors
Reservoir Rock Properties of Coal Measure Strata of the Lower Monongahela Group, Greene County (Southwestern Pennsylvania), from Methane Control and Production Perspectives
Water Infusion of Coalbeds for Methane and Dust Control
Page last reviewed: November 3, 2015
Page last updated: November 3, 2015
Content source: National Institute for Occupational Safety and Health, Mining Program
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