دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a temporary platform erected in the derrick or mast some 20 to 40 feet (6-12 metres) above the derrick floor. The derrickhand or another crew member works on the board while casing is being run in a well. The board may be wooden or fabricated of steel girders floored with antiskid material and powered electrically to be raised or lowered to the desired level. A stabbing board serves the same purpose as a monkeyboard but is temporary instead of permanent.

n: A temporary platform in the derrick ,20 to 40 feet above the floor,on which a crewman works while casing is being run to guide a joint while it is being screwed into the joint in the rotary table.