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Mining Publication: Investigation of Similarities Between Methane Drainage Potential of Utah's Sunnyside Coalbed and Eastern U.S. Coalbeds
Keywords: Coal mining Horizontal boreholes Methane
Original creation date: January 1986
Authors: GM Molinda, TM Kohler, GL Finfinger
Report of Investigations - January 1986
Download PDF Document (0.51 MB)
NIOSHTIC2 Number: 10004946
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9007, 1986 Jan; :1-10
The Bureau of Mines has completed an investigation of the effectiveness of methane drainage in the lower Sunnyside coalbed at Kaiser Steel Corp. Sunnyside No. 1 Mine in Utah. Most of the previous attempts to drain methane gas using long horizontal holes were conducted in the eastern coal province. From the high degree of success realized in these efforts and the large body of knowledge gained from associated research, it seemed natural to extend the technology to western coalfields. Previous work had indicated that properties affecting gas drainage were variable in the sunnyside coalbed. In an attempt to characterize these properties, four degasification holes were drilled from the outside entries of an advancing section. The holes were drilled to lengths of 780, 1,680, 1,315, and 1,047 ft and produced initial flow rates of 50,000, 180,000, 340,000, and 240,000 ft3/d, respectively. A total of over 300 million ft3 of commercial-quality gas has been removed from the sunnyside coalbed. The four holes have reduced face emissions by 78 pct.
Image of publication Investigation of Similarities Between Methane Drainage Potential of Utah's Sunnyside Coalbed and Eastern U.S. CoalbedsReport of Investigations - January 1986
Download PDF Document (0.51 MB)
NIOSHTIC2 Number: 10004946
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9007, 1986 Jan; :1-10
See Also
Degasification of the Mary Lee Coalbed, Brookwood, Ala
Development and Application of Reservoir Models and Artificial Neural Networks for Optimizing Ventilation Air Requirements in Development Mining of Coal Seams
Guidelines for the Control and Monitoring of Methane Gas on Continuous Mining Operations
Methane Control by Isolation of a Major Coal Panel - Pittsburgh Coalbed
Methane Emission Rate Studies in a Northern West Virginia Mine
Peak Methane Concentrations During Coal Mining: An Analysis
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
Rotary Drilling Techniques Used in the Beckley Coalbed
Stochastic Modeling of Gob Gas Venthole Production Performances in Active and Completed Longwall Panels of Coal Mines
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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