Reservoir Oil Saturation Monitoring Through Casing with New Carbon/Oxygen Measurements


A. Vittachi, D. Schnorr

SPWLA 34th Annual Logging Symposium, June 13-16, 1993



Like all mature fields, Alaska’s Prudhoe Bay oil field is declining. Oil production rates since 1988’s peak of 1.5 million b/d has declined by a factor of four, from 7000 b/d/well to less than 1700 b/d/well. Water production now exceeds oil rates, and GOR levels continue to rise.