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Results 21 - 30 of 111
Time-Lapse Analysis of Methane Quantity in the Mary Lee Group of Coal Seams Using Filter-Based Multiple-Point Geostatistical Simulation8/1/2013 - Peer reviewed journal articlesAn article examining the approach of using time-lapse methods to analyze the methane degasification of a group of coal mine seams in Alabama.
Integration of Vertical and In-Seam Horizontal Well Production Analyses with Stochastic Geostatistical Algorithms to Estimate Pre-Mining Methane Drainage Efficiency from Coal Seams: Blue Creek Seam, Alabama7/1/2013 - Peer reviewed journal articlesAn article detailing the extent to which it can be estimated that boreholes helped to degasify the Blue Creek coal seam in Alabama in advance of mining the seam.
9/28/2012 - News articlesPreventing coal mine explosions requires a suite of control strategies and NIOSH continues to conduct research to develop more effective intervention measures.
9/17/2012 - Contracts and cooperative agreementsA contract to integrate a micro electro mechanical system (MEMS) component into specialized electronics to measure methane levels in underground coal mines.
CFD modelling of sampling locations for early detection of spontaneous combustion in long-wall gob areas1/1/2012 - Peer reviewed journal articlesIn this study, computational fluid dynamics (CFD) modeling was conducted to optimize gas sampling locations for the early detection of spontaneous heating in longwall gob areas.
9/1/2011 - Peer reviewed journal articlesThis paper presents technical and application aspects of a new software suite, MCP (Methane Control and Prediction), developed for addressing some of the methane and methane control issues in longwall coal mines.
Coal Mine Methane: A Review of Capture and Utilization Practices with Benefits to Mining Safety and to Greenhouse Gas Reduction5/1/2011 - Peer reviewed journal articlesThis article reviews the technical aspects of coal mine methane (CMM) capture in and from coal mines, the factors affecting CMM accumulations in underground coal mines, methods for capturing methane using boreholes, and borehole designs.
Stochastic Modeling of Gob Gas Venthole Production Performances in Active and Completed Longwall Panels of Coal Mines11/1/2010 - Peer reviewed journal articlesThis paper describes a practical approach for implementing stochastic determination of gob gas ventholes production performances and for generalizing the prediction capability of deterministic models.
9/1/2010 - PC softwareA software program that addresses some of the methane and methane control issues in longwall coal mines in the U.S. and other countries.
Reservoir Diagnosis of Longwall Gobs Through Drawdown Tests and Decline Curve Analyses of Gob Gas Venthole Productions7/1/2010 - Peer reviewed journal articlesDuring longwall mining, fracturing and relaxation in the gob creates new and highly permeable flow paths. The production rate-pressure behavior of a gob gas venthole (GGV) drilled over a longwall panel was analyzed by using multi-rate drawdown and decl...