MINE DEGASIFICATION AS BASIC SAFETY ELEMENT IN THE UNDERGROUND PARTS OF GASSY COAL MINES IN THE OSTRAVA-KARVINá COALFIELD

In the article, degasification methods to drain the gas from the underground parts of coal mines in the Czech Republic are described. The authors are concerned with the possibilities of and new trends in ensuring safety by means of drilling operations. Examples of applications of degasification in mine plants in the Czech Republic, above all in a hard coal deposit in the Ostrava-Karviná Coalfield in the Upper Silesian Basin are presented.