Institution: | (1) Exxon Production Research Company, P.O. Box 2189, 77252-2189 Houston, Texas;(2) Exxon Production Research Company, P.O. Box 2189, 77252-2189 Houston, Texas;(3) Earth Sciences, University of Waikato, Private Bag 3105, Hamilton, New Zealand;(4) Exxon Production Research Company, P.O. Box 2189, 77001 Houston, Texas |