borehole en
71Directional drilling — A horizontal directional drill in operation Directional drilling (or slant drilling) is the practice of drilling non vertical wells. It can be broken down into three main groups: Oilfield Directional Drilling, Utility Installation Directional… …
72Well to Hell hoax — The Well to Hell is a fictitious borehole in the Soviet Union which was purportedly drilled so deep that it broke through to hell. This urban legend has been circulating on the Internet since at least 1997. It is first attested in English as a… …
73Hot dry rock geothermal energy — (HDR) is a type of geothermal power production that uses the very high temperatures (approx 200 Celsius) that can be found in rocks a few kilometers below ground. Electricity is generated by pumping high pressure water down a borehole (injection… …
74List of Statutory Instruments of the United Kingdom, 1988 — NOTOC This is a complete list of all 1558 Statutory Instruments published in the United Kingdom in the year 1988.1 100* Origin of Goods (Petroleum Products) Regulations 1988 S.I. 1988/1 * Export of Sheep (Prohibition) (No.2) Amendment Order 1988… …
75Mud logging — Mud log in process. Well logging Gamma ray logging Spontaneous potential logging Resistivity logging Density logging …
76Namacalathus — Temporal range: Ediacaran 550–542 Ma Scientific classification Kingdom: Animalia Phylum …
77Clean-in-place — (CIP) is a method of cleaning the interior surfaces of pipes, vessels, process equipment, filters and associated fittings, without disassembly. Up to the 1950s, closed systems were disassembled and cleaned manually. The advent of CIP was a boon… …
78Gamma ray logging — is a method of measuring naturally occuring gamma radiation to characterize the rock or sediment in a borehole. It is sometimes used in mineral exploration and water well drilling, but most commonly for formation evaluation in oil and gas well… …
79Hamilton, New South Wales — Infobox Australian Place | type = suburb name = Hamilton city = Newcastle state = nsw caption = The Kent Hotel, est. 1924, is the iconic landmark of Beaumont Street. lga = City of Newcastle postcode = 2303 pop = 3711 (2006 census) area = 1.4 est …
80Deep foundation — A deep foundation installation for a bridge in Napa, California, United States …
