Harbour Energy PLC operates oil and gas fields with assets in the United Kingdom, Norway, Indonesia, Vietnam, Brazil, Falkland Islands, and Mexico. Operations are organized into six business units: Exploration, United Kingdom, Falkland Islands, Pakistan & Mauritania, Indonesia, and Vietnam. Common shares are listed on the LON (HBR) exchange. The name first appeared when the company was listed on the London stock exchange in 1936 as Premier Trinidad Oilfields.
Caribbean Oil was formed in 1934 with the intention of exploring for oil and gas in Trinidad. The company acquired its first interest in the North Sea in 1971 and merged with Ball & Collins North Sea in 1977. In 1995, Pict Petroleum was acquired in a stock transaction that gave Amerada Hess 25% equity in the Premier. Sumatra Gulf Oil was acquired in 1996. Petronas acquired a 25% in 1999 in cash transaction, but both Petronas and Amerada Hess gave up their stake in the company in exchange for various assets in 2002.
Chrysaor was formed in 2007 by Phil Kirk with GBP 100 million in funding from Natural Gas Partners IX. Shell assets were acquired in 2017 with equity backing from Harbour Energy. The company acquired U.K. assets from ConocoPhillips in 2019.Premier Oil and Chrysaor combined in April 2021 to form Harbour Energy.