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 ...

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 ...

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 ...

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 ...