Abstract
Santa Fe Springs (SFS) field is located 12 mi southeast of downtown Los Angeles. The Meyer zone (early Pliocene, Repetto) is located at a drill depth of 4600 ft. SFS ranks as one of the most prolific multi-zone fields in the world with a total production since 1919 of 640 million bbl of oil. Cumulative production from the Meyer zone is estimated at 260 million bbl of oil. The Meyer zone consists of channel-fill deposits associated with a submarine fan complex. Waterflooding of the Meyer zone was initiated in 1971. Some problems with the waterflood are (1) very poor injection profiles, (2) steep reservoir pressure gradients, (3) uneven fill-up of Meyer sands, (4) premature water breakthrough with water cycling through relatively thin sands, and (5) cross flow between different Meyer sands in idle well bores. This study has combined a depositional model with production data to target potential unswept oil and improve waterflood performance. Based on results of this study, new well locations, recompletions, workovers, and injector conversions are planned.
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