- Bottom drill
- Bottom drill.См. Донное сверло.(Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО "Профессионал", НПО "Мир и семья"; Санкт-Петербург, 2003 г.)
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Bottom drill
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Drill bit sizes — Drill bits are the cutting tools of drilling machines. They can be made in any size to order, but standards organizations have defined sets of sizes that are produced routinely by drill bit manufacturers and stocked by distributors. In the U.S.,… … Wikipedia
Drill cuttings — Drill cuttings[1] are the broken bits of solid material removed from a borehole drilled by rotary, percussion, or auger methods. Boreholes drilled in this way include oil or gas wells, water wells, and holes drilled for geotechnical… … Wikipedia
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
Drill string — A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit. The term is loosely applied as the assembled collection of… … Wikipedia
Drill string compensator — active heave compensator redirects here. For other uses, see active heave compensator (disambiguation). A drill string compensator decreases the influence of the heave of a drilling vessel on the drill bit. Drill string compensators are also… … Wikipedia
drill — [[t]drɪ̱l[/t]] drills, drilling, drilled 1) N COUNT A drill is a tool or machine that you use for making holes. ...pneumatic drills. ...a dentist s drill. 2) VERB When you drill into something or drill a hole in something, you make a hole in it… … English dictionary
Drill line — … Wikipedia
drill bit stock — n. A stock that has a price under one dollar. Example Citation: Heard the latest lingo on the Street? It s drill bit stocks, as in stocks trading in the drill bit range (3/64, 5/16, etc.). Andy Serwer, Loose Change, Fortune, April 30, 2001… … New words
Drill bit (well) — A Drill bit, is a device attached to the end of the drill string that breaks apart, cuts or crushes the rock formations when drilling a wellbore, such as those drilled to extract water, gas, or oil. The drill bit is hollow and has jets to allow… … Wikipedia
Drill floor — The Drill Floor is the heart of any drilling rig and is also known as the pad. This is the area where the drill string begins its trip into the earth. It is traditionally where joints of pipe are assembled, as well as the BHA (bottom hole… … Wikipedia
