borehole surface

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• Borehole mining — (BHM) is a remote operated method of extracting (mining) mineral resources through boreholes by means of high pressure water jets. This process can be carried out from land surface, open pit floor, underground mine or floating platform or vessel… …   Wikipedia

• Borehole — A borehole is the generalised term for any narrow shaft drilled in the ground, either vertically or horizontally. A borehole may be constructed for many different purposes including the extraction of water or other liquid (such as petroleum) or… …   Wikipedia

• borehole — /ˈbɔhoʊl/ (say bawhohl) noun a hole bored into the surface of the earth, as for obtaining geological information, or releasing oil, water, etc …  

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

• Deep borehole disposal — is the concept of disposing of high level radioactive waste from nuclear reactors in extremely deep boreholes. Deep borehole disposal seeks to place the waste as much as five kilometers beneath the surface of the Earth and relies primarily on the …   Wikipedia

• Casing (borehole) — Casing is large diameter pipe that is assembled and inserted into a recently drilled section of a borehole and typically cemented into place.PurposeCasing that is cemented in place aids the drilling process in several ways: * Prevent… …   Wikipedia

• Near-surface geophysics — is the use of geophysical methods to investigate small scale features in the shallow (tens of meters) subsurface. It is closely related to applied geophysics or exploration geophysics. Methods used include seismic refraction and reflection,… …   Wikipedia

• Michael E. Mann — 230px Michael Mann Nacionalidad estadounidense Campo Paleoclimatología Controversia del gráfico de hockey Michael E. Mann …   Wikipedia Español

• petroleum production — Introduction       recovery of crude oil and, often, associated natural gas from the Earth.        petroleum is a naturally occurring hydrocarbon material that is believed to have formed in deep sedimentary (sedimentary rock) beds from animal and …   Universalium

• Formation evaluation — In petroleum exploration and development, formation evaluation is used to determine the ability of a borehole to produce petroleum. Essentially, it is the process of recognizing a commercial well when you drill one .Modern rotary drilling usually …   Wikipedia

• Proxy (climate) — Climate proxies are preserved physical characteristics of the past that enable scientists to reconstruct the climatic conditions that prevailed during much of the Earth s history. As reliable modern records of climate only began in the 1880s,… …   Wikipedia