Dry Gas Seals - Theory, Basic Design, & Applications

by Emery Johnson
John Crane

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Enhanced oil recovery (EOR) using Supercritical CO2 has been used in the oil and gas industry for decades. This process requires sealing turbo-machinery for high pressure reinjection at the wells and sealing the pumps that transport the CO2 throughout the pipeline. The Permian Basin in West Texas and eastern New Mexico is one example of how John Crane uses Type 28 VL dry gas seals to seal Supercritical CO2 for EOR applications. Recently, as interest in carbon sequestration has increased, John Crane has received a growing number of inquiries regarding how to seal Supercritical CO2. There have also been recent discussions on how to adequately seal high speed turbo expanders which use Supercritical CO2 as the working fluid. John Crane will present on successful operational experience of sealing Supercritical CO2, as well as discuss the future outlook of sealing technologies required to meet the growing interest of Supercritical CO2 applications in industry.