دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a hinged, cylindrical metal device placed around a joint of pipe as it is being broken out during a trip out of the hole. It keeps mud from splashing beyond the immediate area. Also called mother hubbard, mud saver, splash box, or wet box.

n: one of complementary tools that assist the pulling out the hole.