نمایش نتیجه 11631 تا 11640 از 14709 نتیجه یافت شده برای P:
n: see pop valve.
n pi: metal-toed shoes or boots with nonskid, corrosion-resistant soles worn by oilfield workers to minimize falls and injury to their feet.
n: Its feature is corrosion prevention and antislip.
n: a wire-line device normally mounted near the monkey-board to afford the derrick-hand a means of quick exit to the surface in case of emergency. It is usually affixed to a wire-line, one end of which is attached to the derrick or mast and the other end to the surface. To exit by the safety slide, the derrick-hand grasps a handle on it and rides it down to the ground. Also called a geronimo.
n: A kind of safty equipment ,which be setted near the safty platform,the derrick man can slide to groud along it when unexpected thing happened .
the line from the derrickman’s platform to the ground, used in an emergency. Also called a Geronimo line.
n: 1. an automatic valve that opens or closes when an abnormal condition occurs (e.g., a pressure relief valve on a separator that opens if the pressure exceeds the set point, or the shutdown valve at the wellhead that closes if the line pressure becomes too high or too low). 2. a valve installed at the top of the drill stem to prevent flow out of the drill pipe if a kick occurs during tripping operations.
various. Generally used in describing a surface or subsurface safety valve.
شیر ایمنی
n: a wire rope used on well-servicing rigs to operate a swab or bailer. It is usually 9/16-in in diameter and several thousand feet long.
settling of particles in a fluid.
n: a temporarily unsupported span of pipe between the stinger and the seabed in marine pipe laying.
n: the distortion of the hull of a vessel when the middle is lower than either end because of excessively heavy or unbalanced loads. Compare hogging.
n: a term used to describe the maximum drift angle in a directional well.
the planned inclination of the tangent section of a directional well. In a horizontal well if would be 90 deg (+/- 10 deg),in a build and hold or S well it would be the tangent section, in a slant well it would be the inclination throughout.
various, but generally the gas send to the pipeline after dehydrating, stripping and sweetening.
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