Pacific Resources, a Honolulu-based energy company, has...

Pacific Resources, a Honolulu-based energy company, has agreed to merge with a subsidiary of Broken Hill Proprietary Co., Australia’s largest public company. BHP, with worldwide operations in oil, minerals and steel making, plans a cash tender offer for the outstanding shares of Pacific Resources. The proposed deal would make the Honolulu firm the new international headquarters for marketing BHP’s crude oil, according to Robert G. Reed, chairman and chief executive of Pacific Resources.