bore hole
71Oil well control — is the management of the dangerous effects caused by unexpected high pressures upon surface equipment of oil or gas drilling rigs. Technically, oil well control involves preventing Formation fluid, usually referred to as kick, from entering into… …
72Practice chanter — The bagpipe practice chanter is a double reed woodwind instrument in appearance somewhat like that of a recorder. Although it can be played as an instrument in its own right, its main function is as an adjunct to the bagpipe. In this respect, its …
73Petrophysics — ( petro is Latin for rock and physics is the study of nature) is the study of the physical and chemical properties that describe the occurrence and behavior of rocks, soils and fluids [http://www.seed.slb.com/qa2/FAQView.cfm?ID=914] .… …
74Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …
75Meadowhall Centre — Coordinates: 53°24′52″N 1°24′39″W / 53.414430°N 1.410949°W / 53.414430; 1.410949 …
76History of the petroleum industry in Canada (oil sands and heavy oil) — Canada s oil sands and heavy oil resources are among the world s great petroleum deposits. They include the vast oil sands of northern Alberta, and the heavy oil reservoirs that surround the small city of Lloydminster, which sits on the border… …
77Mud engineer — A mud engineer (correctly called a Drilling Fluids Engineer, but most often referred to as the Mud Man ) works on an oil well or gas well drilling rig, and is responsible ensuring the properties of the drilling fluid, also known as drilling mud,… …
78Trepanning — Trepanation redirects here. For other uses, see Trepanation (disambiguation). A detail from The Extraction of the Stone of Madness , a painting by Hieronymus Bosch depicting trepanation (c.1488 1516) Trepanning, also known as trephination,… …
79Trepanation — (also known as trepanning, trephination, trephining or burr hole) is surgery in which a hole is drilled or scraped into the Human skull, thus exposing the dura mater in order to treat health problems related to intracranial diseases, though in… …
80gravitation — gravitational, adj. gravitationally, adv. /grav i tay sheuhn/, n. 1. Physics. a. the force of attraction between any two masses. Cf. law of gravitation. b. an act or process caused by this force. 2. a sinking or falling …
