Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Aban Pearl is 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.