Abstract
Summary A pilot CO2 recovery system was installed in a major west Texas field to confirm the operation and performance of commercial-size coated hollow-fiber membrane gas separators. Data were gathered to verify predicted membrane performance on the basis of earlier demonstration tests. Such parameters as feed pressure, temperature, and CO2 content in the feed gas were evaluated. Removal of CO2 from a casinghead gas stream containing 40 to 80 vol% CO2 was successfully demonstrated with minimum pretreatment of the feed gas. The data taken compared favorably with predicted performance curves based on earlier demonstration unit results.
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