(in horizontal drilling)
81Kola Superdeep Borehole — Coordinates: 69°23′46.39″N 30°36′31.20″E / 69.3962194°N 30.608667°E / 69.3962194; 30.608667 …
82Deep foundation — A deep foundation installation for a bridge in Napa, California, United States …
83Orex Exploration — Inc. Type Public (TSX V: OX) Industry Mining Founded 1987 …
84Lathe — A lathe (pronEng|ˈleɪð) is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the workpiece to create an object which has… …
85Beaconsfield Mine collapse — The Beaconsfield Mine collapse occurred on 25 April 2006 in Beaconsfield, Tasmania, Australia. Of the 17 people who were in the mine at the time, 14 escaped immediately following the collapse, one was killed, and the remaining two were found… …
86Dye 3 — is an ice core site and previously part of the Distant Early Warning (DEW) line, located at (65°11′N 43°49′W / 65.183°N 43.817°W / 65.183; 43.817 ( …
87Forage — vertical pour trouver de l eau Forage pour trouver du pétro …
88Petroleum Development Oman — Petroleum Development of Oman PDO شركة تنمية نفط عمان Type Government owned corporation Industry Oil Gas Founded 1925 (as Petroleum Development of Oman and Dhofar ) 1967 (as Petroleum Development Oman ) Headquarters …
89undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… …
90Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of …
