Drilling

Drilling
  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 mineral deposits or to establish the nature of geological structures; such wells may not be capable of production if minerals are discovered.
  ■ Developmental. Drilling to delineate the boundaries of a known mineral deposit to enhance the productive capacity of the producing mineral property.
  ■ Directional. Drilling that is deliberately made to depart significantly from the vertical.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary

Energy terms . 2014.

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  • Drilling — Drilling: Nach dem Muster von ↑ Zwilling werden seit dem 16. Jh. auch drei gleichaltrige Geschwister »Drillinge« genannt (älter nhd. Dreiling; vgl. ↑ drei). Entsprechend heißt seit dem 19. Jh. auch das dreiläufige Jagdgewehr »Drilling« …   Das Herkunftswörterbuch

  • Drilling — Drill ing, n. 1. The act of piercing with a drill. [1913 Webster] 2. A training by repeated exercises. [1913 Webster] …   The Collaborative International Dictionary of English

  • Drilling — Drill ing, n. The act of using a drill in sowing seeds. [1913 Webster] …   The Collaborative International Dictionary of English

  • Drilling — Drill ing, n. [G. drillich, fr. L. trilix having three threads, fr. the of tres three + licium a thread of the warm. See {Three}, and cf. {Twill}.] (Manuf.) A heavy, twilled fabric of linen or cotton. [1913 Webster] …   The Collaborative International Dictionary of English

  • Drilling — Drilling. См. Сверление. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • Drilling — Drilling, 1) ein mit 2 anderen zugleich gebornes Kind. Drillingsgeburten kommen unter 6500 Geburten nur einmal vor; noch seltener werden sie am Leben erhalten; 2) Drillingskrystalle, durcheinander gewachsene einfache Krystallgebilde, in denen 3… …   Pierer's Universal-Lexikon

  • Drilling — Drilling, Jagdgewehr mit drei Läufen, von denen zwei für Schrot , der dritte darunter liegende gezogen und für Kugelschuß bestimmt ist [Abb. 456] …   Kleines Konversations-Lexikon

  • drilling — index discipline (training) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • Drilling — Drilling,der:⇨Gewehr(1) …   Das Wörterbuch der Synonyme

  • Drilling — For other uses, see Drilling (disambiguation). Drilling is a cutting process that uses a drill bit to cut or enlarge a hole in solid materials. The drill bit is a multipoint, end cutting tool. It cuts by applying pressure and rotation to the… …   Wikipedia

  • Drilling — is the process of constructing a mine mostly of a cylindrical form (shot hole, well, mine shaft) by means of rock disintegration at the downhole with spalls removal. Drilling is mainly performed in the Earth crust. There are the following… …   Glossary of Oil and Gas

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