Water Jet Drilling Horizontal Holes in Coal
This paper examines potential benefits that may accrue, both in conventional horizontal hole drilling from a mine site underground, and also in drilling from the surface if a high pressure water jet drill is used to drill the degasification holes.
D. A. Summers et al., "Water Jet Drilling Horizontal Holes in Coal," Mining Engineering, American Institute of Mining, Metallurgical and Petroleum Engineers (AIME), Jan 1980.
Mining and Nuclear Engineering
Article - Journal
© 1980 American Institute of Mining, Metallurgical and Petroleum Engineers (AIME), All rights reserved.