A Dresser Rand compressor and a General Electric Frame 5 turbine were uprated from 26,950 to 37,960 horsepower to increase injection capacity at Prudhoe Bay, Alaska. This paper discusses the user’s experience in field performance testing the machinery train to verify the operation and reliability of the uprate. Aerothermal performance was verified on both the gas turbine and compressor. Emissions testing conducted on the gas turbine demonstrated the equipment would be in compliance with Alaska regulations. To assess reliability, optical alignment, transient vibration checks and lubrication system heat balance analysis were also undertaken. Results from the testing verified the performance and reliability of the conversion, providing confidence to continue with the thirteen-machine, multi-year project.

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