Oil Search was incorporated in
Port Moresby on 17 January 1929. It was one of
Papua New Guinea's largest companies, and in 2006 was responsible for 13% of Papua New Guinea's gross domestic product. It was publicly listed on the
Port Moresby Stock Exchange and
Australian Securities Exchange. In 2021, Oil Search agreed terms with
Santos to merge, with Oil Search shareholders taking a 38.5% shareholding in Santos. The merger took effect on 14 December 2021. ==References==