1. Argonne National Laboratory, Argonne, Illinois 60439, United States
2. Central
Energy Resources Science Center, United States Geological Survey, Denver, Colorado 80225, United States
3. Rose-Hulman Institute of Technology, Terre
Haute, Indiana 47803, United States
4. Schlumberger-Doll Research, Cambridge, Massachusetts 02139, United States
5. Schlumberger Dhahran Carbonate Research Center, Dhahran 31942, Saudi Arabia