buckling of a drilling string

См. также в других словарях:

• Extended Reach Drilling — (ERD) describes an extreme form of Directional drilling that achieves horizontal well departures beyond the conventional, or achieves particularly challenging geometries of a well in terms of horizontal versus vertical offsets from the surface… …   Wikipedia

• hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …   Universalium