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Tong up
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
To couple lengths of drill rod, pipe, or casing, using tongs to grip and screw the members together.
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Azimuth test, английский
To determine the horizontal compass direction that a borehole is trending at a specific depth by means of one of several borehole-surveying instruments. b. 1. a dcdma letter name for a range of drill fittings intended to be used together with the appropriate casing having an inside diameter of approximately 2v2 inches or somewhat less. see appendix, tables 1 and 3. 2. one of several letter symbols used to designate a medium quality or grade of drill diamonds. compare aa. 3. letter name for nonstandard and now obsolete size of core bit and/or casing. see b bit, b casing. 0 b. abbr. baum6 degree. see baum?.
Rod up, английский
To couple and lower an assembled drill string into a borehole.
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