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08090 Performance of Selected Corrosion Resistant Alloys Under Simulated Seawater Injection Conditions Downhole

A for fitness-for-service evaluation was conducted in simulated seawater injection conditions for three levels of dissolved oxygen (30, 50, and 100 ppb) to assess the effect of upsets in control of the deaeration. Four materials were studied:  austenitic UNS S31603, duplex UNS S39274, and two nickel base alloys

Product Number: 51300-08090-SG
ISBN: 08090 2008 CP
Author: Robert D. Mack and John Carminati
Publication Date: 2008
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$20.00
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A for fitness-for-service evaluation was conducted in simulated seawater injection conditions for three levels of dissolved oxygen (30, 50, and 100 ppb) to assess the effect of upsets in control of the deaeration. The test temperature varied to simulate the temperature during constant injection (38°C) and during shut-in (78°C) during which oxygen replenishment does not occur. Four materials were studied: austenitic stainless steel UNS S31603, a 25Cr duplex stainless steel UNS S39274, and two precipitation hardened nickel base alloys, UNS N09925 and N07718. Only UNS S31603 incurred significant localized corrosion.

A for fitness-for-service evaluation was conducted in simulated seawater injection conditions for three levels of dissolved oxygen (30, 50, and 100 ppb) to assess the effect of upsets in control of the deaeration. The test temperature varied to simulate the temperature during constant injection (38°C) and during shut-in (78°C) during which oxygen replenishment does not occur. Four materials were studied: austenitic stainless steel UNS S31603, a 25Cr duplex stainless steel UNS S39274, and two precipitation hardened nickel base alloys, UNS N09925 and N07718. Only UNS S31603 incurred significant localized corrosion.

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