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9/18/2020 - Research projectsA project to address the lack of information on longwall-induced subsurface strata deformations and stresses and their effect on shale gas well casings by conducting detailed analysis and instrumentation on unconventional shale gas wells.
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9/16/2020 - Research projectsA project to evaluate and quantify subsurface overburden deformations in longwall abutment pillars under shallow overburden depths, and to employ field instrumentation results and 3D numerical modeling to identify critical parameters.
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9/1/2020 - Peer reviewed journal articlesAn article presenting an analytical model of gas transport through fractures in a low permeable stratum.
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1/1/1978 - Reports of InvestigationsSeven degasification wells have been completed in the Pittsburgh coalbed at the New Emerald Mine near Waynesburg, Pennsylvania. The Bureau of Mines performed stimulation treatments on five of the wells.
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1/1/1978 - Reports of InvestigationsIn this Bureau of Mines investigation, production was monitored for 1 year at over 30 coalbed gas-drainage boreholes located in Alabama, Pennsylvania, and West Virginia.
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7/1/1972 - Technical Progress ReportsAn oil well penetrating the Pittsburgh bituminous coalbed in northern West Virginia was plugged and safely mined through 3 months later. Effectiveness of the plugging in preventing reservoir gas from entering the mine through the well hole was verified ...
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1/1/1972 - Reports of InvestigationsThe method of moving averages was found useful in assessing the nature of methane emission in coal mines. Emission rates were influenced markedly by the presence of abandoned oil and gas wells in the vicinity of the mine. Such wells appeared to increase...
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Content source: National Institute for Occupational Safety and Health, Mining Program