MULTI-STAGE SEAL FOR WELL FRACTURING
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United States of America Patent
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Issued Date -
Sep 4, 2014
app pub date -
Mar 1, 2013
filing date -
Mar 1, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A fracturing system including a ring gasket disposed between a fracturing tree and a wellhead component is provided. In one embodiment, the ring gasket includes multiple sealing stages that seal against grooves in the fracturing tree and the wellhead component. The ring gasket may also include one or more recesses between the sealing stages. In some embodiments, the ring gasket has a configuration that reduces gasket setting load and increases flange separation load compared to other gaskets used in fracturing operations. And in some embodiments, the system enables monitoring of gasket sealing integrity, even during fracturing operations. Additional systems, devices, and methods are also disclosed.
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