Churn-drill performance
Technical Report
·
OSTI ID:7295021
Results are given of a series of tests conducted at various quarries to evaluate various factors affecting churndrill performance. Factors examined included drillability of rock, weight of drill tools, length of stroke, number of strokes per minute, diameter of bit, amount of drilling water added periodically, and specific gravity of drilling sludge. Numerous charts and interpretative data on tests conducted are included.
- Research Organization:
- Bureau of Mines, Washington, D.C. (USA)
- OSTI ID:
- 7295021
- Report Number(s):
- BM-RI-4058
- Country of Publication:
- United States
- Language:
- English
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