In 1988, the company was formed to own the resource assets of
Burlington Northern Railroad. The company became a
public company. In 1989, the company spun off
Plum Creek Timber. In 1997, the company acquired Louisiana Land & Exploration, gaining interest in properties in the
Gulf of Mexico. In 1999, the company acquired Poco Petroleums, gaining properties in the
Western Canadian Sedimentary Basin. The company also acquired
ARCO's operations in
Ecuador. In 2001, the company acquired Canadian Hunter Exploration, expanding its base in Canada. In 2003, the company started production in
Algeria. In 2004, the company received approval to develop a gas field in
China. In 2006, the company was acquired by
ConocoPhillips. ==References==