... resulting from magnetic components in the bottom hole assembly (BHA), magnetic particles in drilling fluids, and fluctuations in the Earth's magnetic field. The Barents Sea is in the auroral zone where the largest geomagnetic field disturbances are experienced. Consequently, achieving accurate reference...

... operation automatic well control automatic control bottom hole pressure disturbance application flow metering Heidrun automatic startup sand entrainment startup Statoil Reservoir Surveillance drillstem/well testing GOR gas capacity production optimization society of petroleum engineers...

... Upstream Oil & Gas flow rate disturbance pressure response SPE choke pressure control Drilling annular pressure drilling Simulation accurate pressure control sensor long well feedforward back-pressure mpd downhole pressure Introduction Extended Reach Drilling (ERD) is defined...