دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the name used for the working platform of the derrickhand (the monkeyboard) when it is located at a height in the derrick or mast equal to two lengths of pipe joined together. Compare fourble board, thribble board.

n: the platform on which the grabber works


working platform for the derrickman on a drilling rig.

n: refer to fourble board

n: the name used for the working platform of the derrickman. or the monkeyboard. when it is located at a height in the derrick equal to approximately four lengths of pipe joined together. Compare double board, thribble board.

n: the hight of eighty board is the four drill pipeshight.

n: refer to fourble board

n: the name used for the derrickhands working platform, the monkeyboard, when it is located at a height in the derrick equal to three lengths of pipe joined together. Compare double board, fourble board.

n: Also called kelly board,which is the operation board where derrick monkey work.