Deep hole drilling definition

Deep hole drilling means the result of the technological process, in the course of which a hole (cylinder-shaped mining space) shall be created in the earth’s crust mechanically, for geological or mining purposes, together with the formation, maintenance and armouring of the hole, in case of which the length (depth) of formation, as compared to its defined diameter relatively small, is large. The deep hole drilling may be perpendicular, of directed inclination, or, in the finishing phase of the hole formation, horizontal.
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Related to Deep hole drilling

  • Deep well means a well located and constructed in such a manner that there is a continuous layer of low permeability soil or rock at least 5 feet thick located at least 25 feet below the normal ground surface and above the aquifer from which water is to be drawn.

  • drilling means the act of boring a hole to reach a proposed bottom hole location through which oil or gas may be produced if encountered in paying quantities, and includes redrilling, sidetracking, deepening, or other means necessary to reach the proposed bottom hole location, testing, logging, plugging, and other operations necessary and incidental to the actual boring of the hole;

  • Water well means an excavation that is drilled, cored, bored, augered, washed, driven, dug, jetted, or otherwise constructed for the purpose of exploring for groundwater, monitoring groundwater, utilizing the geothermal properties of the ground, or extracting water from or injecting water into the aquifer. “Water well” does not include an open ditch or drain tiles or an excavation made for obtaining or prospecting for oil, natural gas, minerals, or products mined or quarried.

  • Production company means a person or entity engaged in the business of making motion picture, television, or radio images for theatrical, commercial, advertising, or education purposes; Reserved

  • AMI means Area Median Income as defined by HUD.