|
|
|
|
|
|
|
|
|
C-one or
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
-a symbol commonly used to designate the best quality drill-diamond-grade congos. see con-gos, c-two.
|
|
|
Conventional coring, английский
- Cutting and recovering core by generally accepted methods and standard diamond-drilling equipment.
- As used by individuals associated with petroleum-well-drilling operations, to cut and recover core using any type of annular-shape cutting head other than a diamond bit. see calyx 3 for an example.
Cone bit, английский
- Synonym for roller bit.
- A cone-shaped noncoring bit, which may be set with diamonds or other cutting media.
- Colloquial term, improperly applied to bullnose bit.
|
|
|
|
|
|
|
