- under-reaming bit
- эксцентричное долото для расширения скважины под башмаком обсадной трубы
English-Russian mining dictionary. 2015.
under-reaming bit
Смотреть что такое "under-reaming bit" в других словарях:
Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry … Wikipedia
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Exploration diamond drilling — Drilling rig capable of both diamond and reverse circulation drilling. Exploration diamond drilling is used in the mining industry to probe the contents of known ore deposits and potential sites. By withdrawing a small diameter core of rock from… … Wikipedia
Mr. Lisa Goes to Washington — The Simpsons episode Episode no. 37 Prod. code 8F01 Orig. airdate September 26, 1991[1] Show runner(s) Al Jean … Wikipedia
