Managed Pressure Drilling – Get the Facts www.nov.com/intelliserv Today’s challenging managed pressure drilling (MPD) and underbalanced drilling (UBD) opera- tions require downhole measurements beyond just near the bit, at data transmission rates that mudpulse is not capable of delivering. Far East – Drillship Shallow gas and a surface shoe strength of only 200 psi over pore pressure in 1,400 ft. water in the Andaman Sea presented challenge

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