DRILLING BRAZILIAN SALT: CENPES uses FEA to design casing for Santos basin

Planning, modeling, collecting data, and maintaining flexible response options are necessary to drill thick, highly mobile salt sections successfully. A continuous circulation system to monitor and control fluid density closely, and seismic-while-drilling sensors are valuable tools; high-collapse-strength casing is vital.Petrobras is faced with drilling through thick sections of salt offshore in the Campos and Santos basins. This study, conducted at the Petrobras Research and Development Center (CENPES) in Rio de Janiero, involves developing the drilling and casing plans for the first of four deep exploratory wells in the Santos basin. The first well site is in 2,140 m water, planned to 6...

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