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Laboratory studies of variables in rotary drilling
| Author: | Whelan, James A. |
|---|---|
| Year: | 1962 |
| Document Type: | BMRA |
| Issuing Agency: | Bureau of Mines, |
| SUDOC: | I 28.23:6129 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 6129 |
| Subjects: | Rotary percussion drills |
| Drilling and boring machinery | |
| Link: | https://hdl.handle.net/2027/mdp.39015078524124 |
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