High Quality Content by WIKIPEDIA articles! The Aban Pearl was a twin-hull, column-stabilized, semi-submersible offshore drilling rig owned and operated by Aban Offshore drilling company. It is registered in Singapore. In 2009, the Aban Pearl became the first offshore gas rig operated by the Venezuela`s state-owned oil company PDVSA. In May 2010, the rig sank into the sea though all workers aboard at the time were saved.