HOUSTON--(BUSINESS WIRE)--National Oilwell Varco, Inc. (NYSE: NOV) today announces the sale of two 20,000-psi (20K) blowout preventer (BOP) stacks to Transocean, becoming the first oilfield equipment ...
Since the blowout preventer (BOP) is the ultimate defence in drilling operations, keeping it in good working order is crucial. When a BOP has a component failure, the industry typically analyses ...
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