• Tyumen Oil Co., Moscow, plans to merge its four crude oil production subsidiaries: Samotlorneftegas, Nizhnevartovsk Oil Production, Tyumennefte Gas and TNK-Nyagan. The reorganization is among several steps Tyumen is taking to prepare to tap international debt and equity markets. The company is considering an international bond offering in mid-2001. • TransAtlantic Petroleum Corp., Calgary, plans to acquire a 40% interest in an 800,000-acre concession in Pakistan, from Protium Energy Group, Dallas. • Nexen Inc., Calgary, plans to acquire BHP Petroleum Ltd.'s 50% interest in the Buffalo Field offshore Australia for US$21 million. The deal will increase Nexen's interest to 100% and is expected to close in the first quarter. • The AIG African Infrastructure Fund LLC and RMB Resources Ltd. will fund PanAfrican Energy Corp. Ltd.'s operations and expansion in sub-Saharan Africa through a newly formed subsidiary, PAE Mauritius Ltd. PanAfrican will contribute all of its African assets for a 61.82% interest in the joint venture. The fund and RMB will contribute US$30.7 million and receive a 38.18% interest in PAE Mauritius along with certain preferences on distributions. PanAfrican will manage and operate the joint venture. Total funds available to PanAfrican for investment are expected to exceed US$60 million. -Heather H. Read