drill assembly

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• 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 (disambiguation) — A drill is a tool or machine for cutting holes in a material. Drill may also refer to: Military: The movements performed on a military parade Former name of the United States Army Reserve s weekend assembly. See Battle Assembly. Exhibition drill …   Wikipedia

• Drill bit shank — The shank is the part of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit are at one end, and the shank is at the other. Different styles of shank/chuck combination deliver different performance, such as allowing… …   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

• 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 line — …   Wikipedia

• assembly — /euh sem blee/, n., pl. assemblies. 1. an assembling or coming together of a number of persons, usually for a particular purpose: The principal will speak to all the students at Friday s assembly. 2. a group of persons gathered together, usually… …   Universalium

• 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

• Drill sergeant — Sergeant Ser geant, n. [F. sergent, fr. L. serviens, entis, p. pr. of servire to serve. See {Serve}, and cf. {Servant}.] [Written also {serjeant}. Both spellings are authorized. In England {serjeant} is usually preferred, except for military… …   The Collaborative International Dictionary of English

• Hammer drill — A Hammer drill, also known as a rotary hammer or roto hammer , (see also rotary hammer drill) is a rotary drill with a hammering action. The hammering action provides a short, rapid hammer thrust to pulverize relatively brittle material and… …   Wikipedia

• .NET assembly — In the Microsoft .NET framework, an assembly is a partially compiled code library for use in deployment, versioning and security. In the Microsoft Windows implementation of .NET, an assembly is a PE (portable executable) file. There are two types …   Wikipedia