Petrobrás started drilling deep water wells offshore Brazil in the mid-eighties. Nowadays, after ten years of experience, 180 wells have been drilled in water depths ranging from 400 m to 1800 m. Several records have been broken since the Marlim Field Pilot System came on stream. Recent activities and new prospects are pushing on limits into even deeper waters, where Petrobrás is committed to drill and produce wells in the near future.

This paper addresses main problems faced in the Campos Basin area, southeast Brazil, during the deep water exploratory program and the solutions achieved to solve them. A a brief description of the current field developments is also given. Finally, a point about the future challenges to be overcome is made.

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