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Cold-nosing
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
Running an unhoused drill in cold weather. 2. synonym for wildcatting. 25
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Wildcatting, английский
Wildcat drilling
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Guy ring, английский
A ring on the head block or top of a drill pole, derrick, or tripod to which guys are attached.
Blunt stones, английский
Rounded, water-worn carbon, or carbon whose sharp edges have been rounded by repeated use, grinding, tumbling in a ball mill, or other artificial means. bji. letter name for an a-range, nonstandard, special-short-shank, pin-thread core bit having set inside and outside diameters of 1.386 and 2.329 inches, respectively. it is used on a core barrel designed for core drilling with a mud-laden drill fluid. bus. letter name for a b-range nonstandard, special-split-inner-tube, swivel-type, double-tube core barrel using face discharge, with short-shank box-threaded core bits cutting a 1.281-inch-diameter core. bms bits are produced in both full-face and step-face designs. bo. letter name for an experimental-size-and-design diamond-drill rod superseded in 1954 by a dcdma standard drill rod designated by the letter name bw. see appendix, table 1.
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