Abu Dhabi: Abu Dhabi National Energy Co., the state-controlled investment company known as Taqa, bought six offshore operating licenses and two non-operated sub-sea tiebacks, or satellite fields, in the North Sea.

Subsidiary Taqa Bratani Ltd. bought the permits from Royal Dutch Shell Plc unit Shell UK Ltd. and Esso Exploration & Production UK Ltd., the Abu Dhabi-based company said today in a statement posted on the Web site of the Abu Dhabi bourse.