Replaceable seat seal assembly
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United States of America Patent
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Jun 16, 2020
Grant Date -
Sep 5, 2019
app pub date -
Mar 1, 2018
filing date -
Mar 1, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A replaceable seat seal assembly is used to form a replaceable portion of the ram cavity in a BOP that allows the central portion of the ram cavity to be replaced when wear occurs. A method is provided to refurbish a BOP that has a worn ram cavity with a replaceable portion of the ram cavity. The replaceable seat seal assembly includes a plurality of inserts such as a top insert, bottom insert, and two side inserts. The inserts of the replaceable seat seal assembly are positioned within one or more pockets or recesses machined into the ram cavity and throughbore. The inserts can be readily replaced for convenient maintenance without the need for heat treatments, welding, and the like that is normally needed to repair a used ram cavity.
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