Multilateral, underbalanced well drilled in mature Brazil field

A multilateral well drilled in northeastern Brazil was highly successful in a mature field that had already been under waterflood and steam injection.The seven-leg well was drilled underbalanced with semishort-radius build rates in Carmopolis field about 35 miles northeast of Aracaju, Brazil.The field has multiple pay zones with about 2.2 billion bbl oil in place, and to date, has produced about 390 million bbl of oil. During the field's 20 years, waterflood and steam injection have been used in various parts, with production now reaching about 19,000 bo/d and 115,000 bw/d.The project Click here to enlarge imageThe field has complex geology and faulting. And, with the 1,450 wells al...

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