METHOD FOR DESIGNING CORROSION RESISTANT ALLOY TUBULAR STRINGS
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United States of America Patent
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Issued Date -
Nov 15, 2007
app pub date -
May 10, 2006
filing date -
May 10, 2006
priority date (Note) -
Abandoned
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Abstract
A method to design an oilfield tubular string for a well includes determining the corrosiveness of fluids in the well and selecting an alloy for the oilfield tubular string, such that a corrosion resistance and a yield strength of the alloy may be varied through a heat treatment process, heat treating the alloy to survive the determined well fluid corrosiveness and determining the yield strength of the heat treated alloy, and selecting a diameter, a wall thickness, and a connection type for the oilfield tubing string based on the determined yield strength.
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