Accurate Directional Borehole Drilling: A Case Study at the Navajo Dam, New Mexico

Water Infusion of Coalbeds for Methane and Dust Control

Water Infusion: An Effective and Economical Longwall Dust Control

Water infusion of coalbeds for methane and dust control

Comparison of Rotary and In-hole Motor Techniques for Drilling Horizontal Boreholes in Coal

Demonstration of Accurate Directional Drilling at Navajo Dam

Principles of Ionization Smoke Detection: Development of a New Sensor for Combustion-generated Submicrometer Particulates, Issues 8241-8260