drill stem
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drill stem — noun : the string of drill pipe that transmits power from the surface down to the drill bit in well drilling * * * drill stem, the part of a rotary drill that transmits power from the rotary table to the bit that grinds and crushes rocks. * * * n … Useful english dictionary
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-stem test — noun : a test for determining productivity of an oil or gas well by means of sampling the flow while the drill stem is still in the bore … Useful english dictionary
drill stem test — noun a test of the productive capacity of an oil or gas well when still full of drilling mud …
Drill, baby, drill — Drill, baby, drill! was a 2008 Republican campaign slogan first used at the 2008 Republican National Convention[1] by former Maryland Lieutenant Governor Michael Steele, who was later elected Chairman of the Republican National Committee.[2] The… … 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
stem — 1. n. & v. n. 1 the main body or stalk of a plant or shrub, usu. rising into light, but occasionally subterranean. 2 the stalk supporting a fruit, flower, or leaf, and attaching it to a larger branch, twig, or stalk. 3 a stem shaped part of an… … Useful english dictionary
Drill — Drill, n. 1. An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press … The Collaborative International Dictionary of English
Drill jig — Drill Drill, n. 1. An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill … The Collaborative International Dictionary of English
Drill pin — Drill Drill, n. 1. An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill … The Collaborative International Dictionary of English
