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Industry Article: Automated MPD System Provides BHP Measurement and Management

Technology can help preserve wellbore stability and increase drilling efficiency.

DAPC EP tn
Publication: E&P
Publication Date: 08/01/2013

An automated managed pressure drilling (MPD) system that measures and manages bottomhole pressure (BHP), the Dynamic Annular Pressure Control (DAPC) system from M-I SWACO features a programmable control and integrated real-time hydraulics model. The system was the first of its kind approved for use on a deepwater platform in the Gulf of Mexico by the Bureau of Safety and Environmental Enforcement (formerly the US Minerals Management Service). The technology has won the drilling tools category of Hart Energy’s 2008 Meritorious Awards for Engineering Innovation, and is recognized as one of the most accurate pressure control systems. The system has been used in several key fields globally to date. Since the introduction of the DAPC system, many improvements have been made to the operations algorithms that make the control system faster and more responsive. In addition, reliability improvements were made to the hydraulic actuators and back-pressure pump that reduced mechanical downtime.




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