Modify Selection
- Hazard prevention and control:
- Fire and explosion prevention
- or
- Permissible explosives
- or
- Explosion suppression
- or
- Rock dusting
- or
- Inerting atmosphere
- or
- Ignition source elimination
- or
- Explosion proof design
- or
- Intrinsically safe design
- or
- Methane control
- or
- Degasification
- or
- Gob gas vent holes
- or
- Horizontal boreholes
Home Links
Results 191 - 196 of 196
-
1/1/1972 - Reports of InvestigationsA degasification experiment was conducted in a Pocahontas No. 3 Coalbed mine in Virginia. It involved (1) drilling holes in the coalbed in the outside headings of a set of five being developed in virgin area and (2) conducting a methane emission rate st...
-
3/1/1969 - Technical Progress ReportsAn experimental degasification program using a vertical borehole and vacuum pump to drain gas from the gob area of a longwall panel was successful at Bethlehem Mines Corporation, Cambria Division, No. 33 coal mine. Sixty-one million cubic feet of methan...
-
3/1/1969 - Technical Progress ReportsThe 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.
-
1/1/1962 - Reports of InvestigationsA joint investigation by the Bureau of Mines and the Christopher Coal Co. at the Humphrey No. 7 mine, operating in the Pittsburgh coalbed in northern West Virginia, was undertaken to gain more insight concerning the hazardous emission of methane gas in ...
-
2/1/1920 - NIOSH/USBM numbered publicationsThis bulletin deals with the general theory of protection from fire damp and also covers a detailed description of the apparatus that has been tested and approved.
-
1/1/1911 - NIOSH/USBM numbered publicationsThis bulletin traces the growth in the belief in the explosibility of coal dust, summarizes the experiments and mine investigations that have established this belief, and gives the present (1911) status of preventive measures.
Home Links
Content source: National Institute for Occupational Safety and Health, Mining Program