BW Offshore aims to achieve first oil at the Dussafu development, which targets the Gamba and Dentale sandstones offshore Gabon, by second-half 2018, the company said during an update.

The project will initially develop the Tortue discovery; however, there are several other smaller discoveries and more than a dozen prospects nearby that could add upside to this Atlantic Margin presalt play.

Tortue Phase 1, which secured approval from Gabonese authorities in December 2017, includes two subsea horizontal production wells with a provision for gas lift and sand control. One well will target the Gamba reservoir, while the other will target the deeper Dentale. The water depth is 115 m (377 ft), which company executives said makes the project easier to develop.

The company also plans to drill one appraisal well, which will be located on the west side of the field, in hopes of finding additional resources.

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