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Showing: 1 to 10 of 5850 matches for "gas drainage"  Page   1   2   3   4   5   6   7   8   9  next TITLE A New Approach in Planning Gas Drainage Practices  SUMMARY Page 1. A New Approach in Planning Gas Drainage Practices L W Lunarzewski 1 ABSTRACT ... 2. design of gas drainage holes and gas capture strategies, ... PUBLISHED 1998 TITLE Seam Gas Drainage as a Means of Outburst Control  SUMMARY SEAM GAS DRAINAGE AS A MEANS OF OUTBURST CONTROL By OJ RICHARDS 1 . ... Seam gas drainage Inducer shot-firing Water infusion Mining an adjacent upper seam first ... PUBLISHED 1980 TITLE Reducing Gassiness of Outburst-Prone Coal at Coal Basin Mines, Colorado, USA  SUMMARY ... The Aus.IMM IlIawarra Branch Symposium, "Seam Gas Drainage with particular reference to the Working Seam", May 1982 Page 2. 300. NORTH FORK VALLEY ... AUTHOR Martin T PUBLISHED 1982 TITLE Closing Address  SUMMARY ... The subject of the Symposium, Seam Gas Drainage has become a matter of great import- ance to the Australian Coal Industry in a comparatively short time. ... PUBLISHED 1982 TITLE The Directional Drill Monitor for Long Hole Gas Drainage in Coal Mines  SUMMARY Page 1. THE DIRECflONAL DRILL MONITOR FOR LONG HOLE GAS DRAINAGE IN COAL MINES ... This prolongs the time required for efficient gas drainage of a longwall block. ... PUBLISHED 1992 TITLE The Influence of Strata Control and Coal Production on Gassiness and Gas Drainage Efficiency in NewCastle Collieries  SUMMARY Page 1. THE INFLUENCE OF STRATA CONTROL AND COAL PRODUCTION ON GASSINESS AND GAS DRAINAGE EFFICIENCY IN NEWCASTLE COLLIERIES By LW Lunarzewski 1 and RB:. ... AUTHOR Larkings RH PUBLISHED 1986 TITLE Overcoming the Problem of Instantaneous Outbursts of Coal and Gas in Australian Collieries  SUMMARY ... means of predicting the nature and location of outburst zones ahead of the face and, 2. an improved means of measuring the effectiveness of gas drainage. ... PUBLISHED 1987 TITLE Some Aspects of Longwall Ventilation in Australian Coal Mining  SUMMARY ... of each ventilat- ion system, such factors as longwall layout (pillar design, number of headings and gateroad stability), the need for gas drainage and bleed ... AUTHOR Savidis G PUBLISHED 1983 TITLE In-seam Drilling Technologies for Underground Coal Mines  SUMMARY ... safety and the efficiency of in-seam gas drainage drilling. Results from high pressure waterjet rotary drilling trials indicate that by. ... AUTHOR Dunn P ; Hatherly P PUBLISHED 1998 TITLE Inseam Drilling for Gas and Exploration û Recent Advances  SUMMARY ... The requirements of inseam drilling for gas drainage have mainly surpassed the technical limits of rotary drilling and are mainly being addressed by guided ... PUBLISHED 1998 Showing: 1 to 10 of 5850 matches for "gas drainage"  Page   1   2   3   4   5   6   7   8   9  next Search Again