- drill pipe
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(in oil-well drilling or the like) any of several coupled tubes for rotating the bit and supplying drilling mud.
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Universalium. 2010.
drill pipe
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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 pipe — noun or drill rod : a pipe or rod that drives a rotary drill bit (as in drilling wells) * * * (in oil well drilling or the like) any of several coupled tubes for rotating the bit and supplying drilling mud. * * * drill pipe, a pipe for driving a… … Useful english dictionary
Stand (drill pipe) — A Stand (of drill pipe) is 2 or 3 joints of drill pipe connected together and stood in the derrick vertically, usually while tripping pipe.See Drilling rig (petroleum) for a diagram of a drilling rig … Wikipedia
drill collar — drill collar, a joint of hollow steel pipe fastening the drill pipe to the bit … Useful english dictionary
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 Stem Test — A drill stem test (DST) is a procedure for isolating and testing the surrounding geological formation through the drill stem. The test is a measurement of pressure behavior at the drill stem and is a valuable way to obtain important sampling… … Wikipedia
Pipe rack — A Pipe rack is a set of steel framed structures (typically triangularly shaped) that drill pipe is stacked on for storage or when being readied for use on a drilling rig.Pipe rack also refers to the wooden pad on the drill floor where the stands… … 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 rod — noun carbon steel used for rock drills and dowels • Syn: ↑drill steel • Hypernyms: ↑carbon steel * * * I. noun see drill pipe II. noun see … Useful english dictionary
