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Pilot reaming bit
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
A box-threaded, diamond-set, annular-shaped bit designed to be coupled to a pilot and used to ream a borehole to a specific casing size. see pilot 1 for description of the pilot to which the reaming bit is attached.
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Description, английский
- Описание
- Описание (примеров осуществления изобретения)
- N описание phonetic ~ фонетическое описание sensory-based ~ псхл. описание, основанное на восприятиях structural ~ структурное описание
- Описание; характеристика description formописательная форма
- Описание; характеристика; обозначение
- Part of a patent application or specification. discloses the invention as claimed, specifies the technical field to which the invention relates and indicates any prior art the applicant is aware of.
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Pipe bit, английский
A bit designed for attachment to standard coupled pipe for use in socketing the pipe in bedrock. can be set with diamonds or other abrasive materials.
Pickard core barrel, английский
A double-tube core barrel in x-group sizes. the distinguishing feature of the pickard barrel is that when blocked the inner barrel slides upward into the head, closing the water ports and stopping the flow of the circulating liquid, and no additional drilling can be done without irreparably damaging the bit until the barrel is pulled and the blocked inner tube cleared.
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