دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

v: under certain drill pressure,drilling without langing the drilling tools until there is no pressure

n: the computer program used to work out the best drill pressure and relevant drilling speed according real-time data from the drill off test

n: a tool used to drill off the deposited cuttings and other stems in the pipe

n: the operation to drill off the cement left the bottom of the casing and continue to dill a section of layer

v: the string of tools used to drill off the casing accessories and cement and also drill out the casing

n: (MODU) a drilling rig that is used exclusively to drill offshore exploration and development wells. It floats on the surface of the water when being moved from one drill site to another. but it mayor may not float once drilling begins. Two basic types of mobile offshore drilling unit are used to drill most offshore wildcat wells: bottom-supported off- shore drilling rigs and floating drilling rigs.