PetroQuest Energy , Inc. Announces CL&F #12 Begins Production LAFAYETTE; December 9, 1998 PetroQuest Energy , Inc. Announces Discovery at Turtle Bayou Field LAFAYETTE; November 9, 1998 PetroQuest Energy Announces Fourth Quarter Drilling Plans LAFAYETTE; October 5, 1998 Optima Petroleum Corporation Announces Name Change to PetroQuest Energy, Inc. and Closing of Merger LAFAYETTE; September 2, 1998 Optima Announces Shareholder Approval Of Merger VANCOUVER, B.C.; August 24, 1998 Merger Status / New Production VANCOUVER, B.C.; July 28, 1998 Fiscal Results 1997 Merger Update CALGARY, ALBERTA; April 7, 1999 Optima Petroleum Corporation And American Explorer, L.L.C. Announce Merger Agreement HOUSTON; February 12, 1998