The RAM RIG is a new concept used to hoist the drill string.
The Drawwork and the drilling line are replaced with a system of hydraulic pistons and rams. Ram rigs can be used with singles or stands, depending on the height of the derrick.
They have only recently been developed and are not yet classified within API/ISO Specs
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1 comments:
very nice way of explanation about dynamic and static loads on derricks and masts.you may also explain hoisting loads of mast and ground support required.i complement your efforts
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