1. Reservoir Engineer, Quantitative Reservoir Management, Shell Int. Exploration and Production, Inc., 3737 Bellaire Blvd., Houston, TX 77025; formerly, Graduate Research Assistant, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, 1 University Station, C1786, Austin, TX 78712-1076.
2. Associate Professor, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, 1 University Station, C1786, Austin, TX 78712-1076.