--> --> Adding value: A new perspective on aging leases, Tulare formation, Cymric oil field

AAPG Pacific Section and Rocky Mountain Section Joint Meeting

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Adding value: A new perspective on aging leases, Tulare formation, Cymric oil field

Abstract

The Cymric oil field is located in western Kern County, California. Aera Energy LLC currently produces from and actively steam floods the Tulare formation, which has been structurally deformed into three NW-SE trending anticlines. Development strategies have varied throughout its history, with a mixture of vertical and horizontal wells drilled on both the crests and flanks of the anticlines. Tasked with re-evaluating infill and future development opportunities within the leases, the asset team recognized areas for improvement in the geological interpretation, and a series of infill and delineation wells were drilled in 2015 and 2016. The information gathered from the delineation wells, including image logs and sidewall core, played a significant role in revising the structural interpretation and saturation model, and the production success of the new wells has opened up areas for development that were previously thought of as non-productive.