Oil Rig Photos

Please - someone - explain to me how this drilling rig works. It seems to have no resemblance to any conventional drill ship drilling system.

Added by Laurence Shallenberger on 22 October 2008.

This is a ram rig. On the Main there are 5 lifting cylinders, Aux 3 which when stroked out hoist up the sheave cluster and in turn the topdrive. If you picture a forklift it is the same principle. The Mast holds none of the force and is only there as a guide for the cluster. The cylinders take it all...

Added by Scott Mills on 01 June 2009.

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