pit annulus
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Oil well control — is the management of the dangerous effects caused by unexpected high pressures upon surface equipment of oil or gas drilling rigs. Technically, oil well control involves preventing Formation fluid, usually referred to as kick, from entering into… … Wikipedia
mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… … Universalium
Falkirk Wheel — The Falkirk Wheel is a rotating boat lift connecting the Forth and Clyde Canal with the Union Canal. It is named after the nearby town of Falkirk in central Scotland. The difference in the levels of the two canals at the wheel is convert|24|m,… … Wikipedia
steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying … Universalium
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 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
Geology of solar terrestrial planets — The geology of solar terrestrial planet mainly deals with the geological aspects of four planets of the Solar system namely, Mercury, Venus, Earth and Mars and one terrestrial dwarf planet, Ceres. Objects like Pluto are similar to terrestrial… … Wikipedia
Water well — Village pump redirects here. For information on Wikipedia project related discussions see Wikipedia:Village pump. Water well at the Wald monastery in Germany. A water well is an excavation or structure created in the ground by digging, driving,… … Wikipedia
circus — Synonyms and related words: Broadway, O, agora, amphitheater, annular muscle, annulus, arena, areola, athletic field, auditorium, aureole, background, bear garden, bowl, boxing ring, bull ring, burlesque, burlesque show, campus, canvas, carnival … Moby Thesaurus
ring — Synonyms and related words: Bund, Chinese boxing, DDD, Kekule formula, O, Rochdale cooperative, affiliation, agora, alliance, amphitheater, anklet, annular muscle, annulet, annulus, anthelion, antisun, arena, areola, armlet, armory, assemblage,… … Moby Thesaurus