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Rack up
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
- To move the drilling machine forward into alinement with the borehole, using the rack-and-gear pinion to facilitate moving the machine.
- To stack and arrange the drill rods in an orderly fashion in the tripod, mast, or derrick, or horizon tally on a rack provided on the ground.
- To place core on a rack.
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Facilitate, английский
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Relief hole, английский
- A port or passageway through which the core, as it advances into the inner tube of a double-tube core barrel, forces water out of the inner tube to the outside of the barrel through the inner-tube head.
- A borehole drilled ahead of underground openings to tap and drain a water-bearing formation. also called cover hole, pilot hole.
Pump lift, английский
- The vertical distance that a pump can suck up water. theoretically, this should be about 34 feet at sea level; practically, the limit is about 26 feet.
- The vertical distance a pump can force water to flow.
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