Enhanced recovery

This paper presents the design and development of a prototype intelligent water-injection and smart allocation tool aimed at achieving autonomous waterflood operations.
Traditional oil extraction methods hit a snag in noncontiguous fields, where conventional flow-based EOR techniques falter. In southwest Texas, a producer faced imminent shutdown of its canyon sand field due to rapid production decline. Field tests using elastic-wave EOR determined whether the field could be revitalized or if a costly shut-in process was inevitable.
Oil production from thin-oil-rim fields can be a challenge considering early gas breakthrough and high gas/oil ratio. This study evaluates the performance of autonomous inflow control valves (in comparison with inflow control devices and sand screens) and their effectiveness in improved oil recovery in such fields.

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