MacAskill, Langusch, Elixir Petroleum; Sandy, Pan Pacific; Chapman, Steinepreis, Nido Petroleum; Albertine, Hinton, Semco Energy; Collins, Martin, Ephraim, Sondex; Anselmi, Attwood, Foster Wheeler; Matsuyama, Cascade Natural Gas; Deaton, Wiley, Baker Hughes; Bohling, Gelfand, Amerada Hess; Smith, Delta Petroleum; Sen, Petrogen; Kerr, Innova Exploration