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drill pipe string

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  • Drill pipe — Drill pipe, is hollow, thick walled, steel piping that is used on drilling rigs to facilitate the drilling of a wellbore and comes in a variety of sizes, strengths, and weights but are typically 30 to 33 feet in length. They are hollow to allow… …   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 line — …   Wikipedia

  • drill stem — noun : the string of drill pipe that transmits power from the surface down to the drill bit in well drilling * * * drill stem, the part of a rotary drill that transmits power from the rotary table to the bit that grinds and crushes rocks. * * * n …   Useful english dictionary

  • 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 — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …   Wikipedia

  • drill string — (on a drill rig) the assemblage of drill pipes that link the drill bit to the mechanism that imparts rotary or reciprocating motion. [1695 1705] * * * drill string noun A pipe made of metal tubes that forms the bore of a drillhole, esp for oil or …   Useful english dictionary

  • 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

  • Tripping (pipe) — Tripping pipe is the physical act of running or pulling the drill string into or out of the wellbore. This is done by physically disconnecting (when pulling out of the hole) every other 2 or 3 joints of drill pipe at a time (called a stand) and… …   Wikipedia

  • Casing string — is a long section of connected oilfield pipe that is lowered into a wellbore and cemented. The pipe joints are typically about 40 ft [12 m] in length, male threaded on each end and connected with short lengths of double female threaded pipe… …   Wikipedia

  • Borehole mining — (BHM) is a remote operated method of extracting (mining) mineral resources through boreholes by means of high pressure water jets. This process can be carried out from land surface, open pit floor, underground mine or floating platform or vessel… …   Wikipedia

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