Mud circulation monitoring provides real-time verification of hydraulic balance, hole cleaning, and primary well control during drilling. It sits in the drilling execution phase, interfacing tightly ...

Shell UK Exploration & Production, an operating unit of Royal Dutch/Shell Group, used an electromagnetic measurement-while-drilling (EM-MWD) tool to transmit downhole-measured data during drilling ...

The recently proven continuous circulation system (CCS) for drilling mud has now chalked up two successful commercial applications. Next, in not much more than a month, this cost-saving aid for ...

But one British group believes it is feasible -- and should also be considerably cheaper -- to site the whole thing on the seafloor. A seabed drilling rig that can carry out the same activities as a ...