[Companies covered in the briefings: - U.S. Gulf Coast: BP, Anadarko Petroleum, Cameron International, Halliburton, MOEX Offshore (part of Mitsui Oil Exploration), Nalco, Transocean - Ecuador: Chevron and Texaco (now owned by Chevron), Petroecuador - Nigeria: Shell, Chevron, Eni, ExxonMobil, Total, Nigerian National Petroleum Corporation (NNPC)]