Casing
121Baker Hughes — Infobox Company company name = Baker Hughes Incorporated company company type = Public (nyse|BHI) company slogan = Core Values of Integrity, Teamwork, Performance Learning foundation = 1987 (merger) location = flagicon|US Houston, Texas, USA key… …
122Drilling 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… …
123Drilling 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… …
124turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …
125Oil 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… …
126Compound turbine — A compound turbine is a steam turbine in which there are two casings, a high pressure casing and a low pressure casing, operating in concert to extract work from a single source of steam. The steam is partially expanded in the high pressure… …
127Dalek — This article is about the fictional species. For the 1963 serial, see The Daleks. For the 2005 episode, see Dalek (Doctor Who episode). For other uses, see Dalek (disambiguation). Doctor Who alien …
128Pencil — This article is about the handwriting instrument. For other uses, see Pencil (disambiguation). HB graphite pencils A pencil is a …
