BALL SEATS HAVING SEAL INTERFACE ELEMENT FOR PROLONGING THE SEAL BETWEEN BALL AND SEAT IN CORROSIVE ENVIRONMENTS AND METHODS OF USING SAME
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United States of America Patent
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Issued Date -
Jun 6, 2013
app pub date -
Dec 6, 2011
filing date -
Dec 6, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Apparatuses for restricting fluid flow through a well conduit comprise a tubular member, a seat, a plug element, and a seal interface element comprising a seal interface material. The seal interface material resists or retards corrosion by a corroding fluid of the portion of the sealing interface between the plug element and the seat. The seal interface material may be acid-resistant, hydrogen sulfide resistant, and/or the like depending on the type of corroding fluid that is present in the tubular member.
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