Case Study Injection Control Increases Production in the Permian Challenge Isolate an upper completion interval from a new lower injection zone in 28 CO2 injection wells. Methods reviewed to attain isolation included cemented conventional liners, scab liners, dual packer setups, cement squeezes, re-drill wells, and sidetrack operations – all proved problematic. To completely isolate the main pay zone (MPZ) from lower residual oil zone (ROZ) with options to set conventional liner in future if needed for conformance work. Added Value The ESealTM Liner provided reliable and consistent zonal isolation as opposed to previous attempts, enabled the Operator access to ROZ with potential pay equal to that of the MPZ, and allowed for future workovers by minimizing hole los

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