دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The vertical heigh from the top of girder of drill floor to the bottom surface of crownblock beam.

n: The vertical heigh from the drill floor to the floor of monkey board.

n: The hook installed at one end of cathead line. Used for lifting drill tool or equipment to drill floor.

n: The hoist cable for lifting heavy object or drill tool to drill floor by cathead through a pulley at the top of derrick mask.

n: The portable catworks is installed in the drill floor to replace cat shaft.

n: The difference of bit load measured by weight indicator in drill floor and bit load measured by MWD.

n: The horizontal distance of adjacent center axis of leg along with apex face ridgepole in drill floor.

n: Refers to the working board extended at drill floor, monkey board and derrick crown and the winter proofing board installed around the derrick mask.

n: also called the rig floor or the drill floor. See rig floor.

n: The metal floor used for borers operating floor, installed on derrick base.

n: Two vertical girders sustaining drill floor and the equipments on it at the top of derrick base.