1. Craft & Hawkins Department of Petroleum Engineering, Louisiana State University, 3207 Patrick F. Taylor Hall, Baton Rouge, LA 70803
2. Production Technology Incorporates, 14225 North 99th Street, Scottsdale, AZ 85260
3. Petroleum ETC, 707 Post Oak Boulevard #404, Houston, TX 77056
4. Shell Exploration and Production Company, 200 N Dairy Ashford Road, Houston, TX 77079
5. Shell International Exploration and Production, 200 N Dairy Ashford Road, Houston, TX 77079