1. ABQMR Albuquerque, NM 87106 USA
2. ExxonMobil Upstream Research Houston, TX 77098 USA
3. Institute of Geophysics and Planetary PhysicsScripps Institution of OceanographyUniversity of California San Diego La Jolla, CA 92093 USA
4. ExxonMobil Research & Engineering Annandale, NJ 08801 USA