p.c. drilling
31drilling mud — a water based or oil based suspension of clays pumped into an oil well during drilling in order to seal off porous rock layers, equalize the pressure, cool the bit, and flush out the cuttings. Also called drilling fluid. * * * ▪ excavation… …
32Drilling (Einheit) — Der Drilling war ein deutsches Flüssigkeitsmaß im Fürstentum Schaumburg Lippe. Als Biermaß war der Drilling dem Oxhoft gleich. In Schaumburg Lippe/ Lippe Bückeburg war er allgemein 1 Drilling = 6 Anker = 168 Maß = 672 Ort = 205,0796 Liter[1] 1… …
33Drilling rig — is a metal facility placed over a wellhead for running a drilling tool, a downhole motor or casing pipes in the well and pulling them out. There are tower and A type (mast type) drilling rigs. Most common drilling rigs are the ones of A type,… …
34drilling pipe — noun a series of tubes (joined by screwed collars) that connect a drilling platform to the drilling bit; rotates the bit and supplies drilling mud • Hypernyms: ↑pipe, ↑pipage, ↑piping * * * drilling pipe noun The tube that connects the drilling… …
35Drilling and blasting — Before the advent of tunnel boring machines, drilling and blasting was the only economical way of excavating long tunnels through hard rock, where digging is not possible. Even today, the method is still used in the construction of tunnels, such… …
36Drilling — Unter Drilling(en) versteht man: einen von drei Feten einer Mehrlingsschwangerschaft bzw. eines von drei Kindern nach einer Mehrlingsgeburt, siehe Mehrlinge eine Baumgabelung aus drei Trieben, siehe auch Zwiesel (Botanik) eine Militär oder… …
37Drilling — The act of boring a hole (1) to determine whether minerals are present in commercially recoverable quantities and (2) to accomplish production of the minerals (including drilling to inject fluids). ■ Exploratory. Drilling to locate probable… …
38drilling fluid — 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 mud • Hypernyms: ↑lubricant, ↑lubricator,… …
39drilling platform — noun drilling rig consisting of an offshore platform (floating or fixed to the sea bed) from which many oil wells can be bored radially • Syn: ↑offshore rig • Hypernyms: ↑drill rig, ↑drilling rig, ↑oilrig, ↑oil rig * * * drilling platform no …
40drilling cable — noun Etymology: drilling from gerund of drill (IV) : a cordage product made of three ropes twisted together with a left lay, having the surface treated with lubricant to resist abrasion, heat, and water, and used as the line to which drilling… …
