دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: 1. a cylindrical or tubuIar projection, relatively small in diameter, that extends below a downhole tool and helps to guide the tool to a designated spot (such as into the centre of a portion of stuck pipe). 2. a device for guiding pipe and lowering it to the water bottom as it is being laid down by a lay barge. It is hinged to permit adjustments in the angle of pipe launch.

n: Any cylindrical or tubular projection,relatively small in diameter,that extends below a downhole tool and helps to guide the tool to a designated spot (as in the center of a portion of stuck pipe).

n: water accumulated at (or sometimes added to) the bottom of the oil in a storage tank.