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Zero-surface-charge-controlled drilling for enhanced penetration and extended bit life
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Published Year
1980-1989 (1)
Subject
Directional drilling (1) *
Drilling muds--Testing (1)
Rock-drills (1)
Author
Engelmann, William H. (1)
Pahlman, J. E. (1)
Tuzinski, Patrick A. (1) *
Watson, Pamela J. (1)
