drilling bit assembly

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• Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …   Wikipedia

• drilling mud — noun a mixture of clays and chemicals and water; pumped down the drill pipe to lubricate and cool the drilling bit and to flush out the cuttings and to strengthen the sides of the hole • Syn: ↑drilling fluid • Hypernyms: ↑lubricant, ↑lubricator,… …   Useful english dictionary

• Drilling fluid — This article is about fluids used when drilling a well. For fluids used with drill bits during metal working, see cutting fluid. Driller pouring a foaming agent down the rod string on a drilling rig In geotechnical engineering, drilling fluid is… …   Wikipedia

• Drilling rig (petroleum) — The equipment associated with a rig is to some extent dependent on the type of rig but typically includes at least some of the following items: #Mud tank #Shale shakers #Suction line (mud pump) #Mud pump #Motor or power source #Vibrating hose… …   Wikipedia

• Drilling mud — In geotechnical engineering, drilling mud, also known as spud mud (when beginning the drilling process), is a drilling fluid used to drill boreholes into the earth. Often used while drilling oil and natural gas wells and on exploration drilling… …   Wikipedia

• Drilling stabilizer — Integral drilling stabilizer with tungsten carbide bricks (TCB) hardfacing A Drilling Stabilizer is a downhole equipment used in the bottom hole assembly (BHA) of a drill string. Its purpose is to mechanically stabilize the BHA in the borehole in …   Wikipedia

• bit — bit1 bitless, adj. /bit/, n., v., bitted, bitting. n. 1. Mach. a. a removable drilling or boring tool for use in a brace, drill press, or the like. b. a removable boring head used on certain kinds of drills, as a rock drill. c. a device for… …   Universalium

• Directional drilling — A horizontal directional drill in operation Directional drilling (or slant drilling) is the practice of drilling non vertical wells. It can be broken down into three main groups: Oilfield Directional Drilling, Utility Installation Directional… …   Wikipedia

• List of components of oil drilling rigs — This article lists the main components of a petroleum onshore drilling rig. Offshore drilling rigs have similar elements, but are configured with a number of different drilling systems to suit drilling in the marine environment. The equipment… …   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

• bottom-hole assembly — bottˈom hole assembly noun (mining) The drilling string attached to the bottom of the drilling pipe, comprising the drill bit and collars to maintain direction • • • Main Entry: ↑bottom …   Useful english dictionary