rock drill bit
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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
rock drill — noun a drill for penetrating rock • Syn: ↑bore bit, ↑borer, ↑stone drill • Derivationally related forms: ↑bore (for: ↑borer) • Hypernyms: ↑ … Useful english dictionary
drill bit — noun a bit used in drilling for oil • Syn: ↑drilling bit • Hypernyms: ↑bit • Hyponyms: ↑core bit, ↑fishtail bit, ↑blade bit, ↑rock bit, ↑ … Useful english dictionary
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 — 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 — 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
rock bit — noun a drill bit that has hardened rotating rollers • Syn: ↑roller bit • Hypernyms: ↑drilling bit, ↑drill bit * * * noun : a hardened drill for making holes in hard rock * * * rock bit, a bit with jagged teeth, used for drilling through hard rock … Useful english dictionary
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
bit — I (New American Roget s College Thesaurus) n. scrap, mite; slice, piece; tool, drill; curb; informal, routine. See part, littleness, speciality. II (Roget s IV) n. 1. [A small quantity] Syn. piece, fragment, crumb, dot, particle, jot, trifle,… … English dictionary for students
Rock of Love: Charm School — Cast of Rock of Love: Charm School Format Reality Created by Cris Abrego … Wikipedia
Rock core — A rock core is a special type of drill core and is a long tube looking run of rock obtained from the subsurface by drilling using a drilling rig. Usually using a method called mud rotary and cutting with a 2 inch bit and can be a few feet in… … Wikipedia
