hole drilling

  • 71tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …

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  • 722010 Copiapó mining accident — Copiapó mining accident redirects here. For the 2006 accident in the Carola Agustina mine, see 2006 Copiapó mining accident. 2010 Copiapó mining accident Rescue efforts at San José Mine near Copiapó, Chile on 10 August 2010 Date …

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  • 73Kola Superdeep Borehole — Coordinates: 69°23′46.39″N 30°36′31.20″E / 69.3962194°N 30.608667°E / 69.3962194; 30.608667 …

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  • 74Electrical discharge machining — An electrical discharge machine Electric discharge machining (EDM), sometimes colloquially also referred to as spark machining, spark eroding, burning, die sinking or wire erosion,[1] is a manufacturing process whereby a desired shape is obtained …

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  • 75Coiled tubing — In the oil and gas industries, coiled tubing refers to metal piping, normally 1 to 3.25 in diameter, used for interventions in oil and gas wells and sometimes as production tubing in depleted gas wells, which comes spooled on a large reel. Coiled …

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  • 76hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …

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  • 77ГОСТ Р 53554-2009: Поиск, разведка и разработка месторождений углеводородного сырья. Термины и определения — Терминология ГОСТ Р 53554 2009: Поиск, разведка и разработка месторождений углеводородного сырья. Термины и определения оригинал документа: 16 ловушка углеводородов Примечание Рассматриваются залежи, по количеству, качеству и условиям залегания… …

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  • 78Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …

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  • 79Conasauga shale gas field — The Conasauga Shale is a geological gas shale formation lying within the Appalachian thrust and fault region of the state of Alabama and consisting of Lower Paleozoic (Cambrian and Ordovician) sedimentary rocks at an approximate 1,000 foot depth… …

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  • 80Conasauga shale — Coordinates: 33°41′55.09″N 85°36′14.74″W / 33.6986361°N 85.6040944°W / 33.6986361; 85.6040944 The Conasauga Shale is a Cambri …

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