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Mining Publication: Methodology for Determining Occluded Gas Contents in Domal Rock Salt
Keywords: Methane Salts Volumetric analysis
Original creation date: September 1982
Authors: DM Hyman
Report of Investigations - September 1982
Download PDF Document (0.63 MB)
NIOSHTIC2 Number: 10002603
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8700, 1982 Sep; :1-11
The Bureau of Mines has developed two experimental designs for determining the volumes and relative proportions of the various gas species, particularly methane (CH4), occluded in rock salt. To date, the rock salt samples analyzed have been relatively small (400- to 1,000-gram) grab samples from Louisiana gulf coast domal salt mines. The results obtained are comparable to results in Polish domal salt mines, in terms of occluded gas volumes per mass of rock salt. The notable difference between the Louisiana and Polish occluded gas mixtures is in the relative proportions of the individual gas species. The two methods used by the Bureau are ball- mill crushing and dissolution. Of the two, the dissolution method appears to be more versatile because it can be performed in situ. The relevance and applicability of data on the occluded gas contents of rock salt are dependent on sample size, sample collection method, geologic context of the sample, and the correlation with gas emissions that occur as a result of mining-induced fractures and pressure differentials.
Image of publication Methodology for Determining Occluded Gas Contents in Domal Rock SaltReport of Investigations - September 1982
Download PDF Document (0.63 MB)
NIOSHTIC2 Number: 10002603
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8700, 1982 Sep; :1-11
See Also
Assessment of Methane Hazards in an Anomalous Zone of a Gulf Coast Salt Dome
Degasification System Selection for U.S. Longwall Mines Using an Expert Classification System
Development and Application of Reservoir Models and Artificial Neural Networks for Optimizing Ventilation Air Requirements in Development Mining of Coal Seams
Investigation of Methane Emissions From an Advancing Face in the Belle Isle Domal Salt Mine, Louisiana
Investigation of Methane Occurrence and Outbursts in the Cote Blanche Domal Salt Mine, Louisiana
Methane Content of Gulf Coast Domal Rock Salt
Modeling and Prediction of Ventilation Methane Emissions of U.S. Longwall Mines Using Supervised Artificial Neural Networks
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
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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