Multiplex BOP system utilizes updated technology, decreases riser disconnect time

Pete Fougere Transocean Offshore Inc. Houston Joseph R. Roche Hydril Co. Houston Transocean's Discoverer Seven Seas is poised to lower the multiplex BOP system on top of the stack. The BOP system is positioned beside the moon pool next to the derrick (Fig. 1). [28,499 bytes] The driller's panel mimics the BOP stack and other functions. Its location allows the toolpusher or driller easy access during the drilling operations (Fig. 3). [18,845 bytes] The central control unit is a modern day, computer-controlled version of the hydraulic manifold. Input from the driller's panel is directed through the control unit, which processes, di...

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