Exxonmobil Upstream Research Company

Joseph C Bondos

Narasimha-Rao Venkata Bangaru

Jayoung Koo

Raghavan Ayer

Shiun Ling

Sebastian Chialvo

Dylan V Pugh

Shalawn K Jackson

Jeronimo Hernandez

The present application describes a steel composition that provides enhanced corrosion resistance. This steel composition includes one of vanadium in an amount of 1 wt % to 9 wt %, titanium in an amount of about 1 wt % to 9 wt %, and a combination of vanadium and titanium in an amount of 1 wt % to about 9 wt %. In addition, the steel composition includes carbon in an amount of 0.03 wt % to about 0.45 wt %, manganese in an amount up to 2 wt % and silicon in an amount up to 0.45 wt %. In one embodiment, the steel composition includes a microstructure of one of the following: ferrite, martensite, tempered martensite, dual phase ferrite and martensite, and dual phase ferrite and tempered martensite. Further, the present application describes a method for processing the steel composition and use of equipment such as oil country tubular goods, fabricated with the steel composition.

Low alloy steels with superior corrosion resistance for oil country tubular goods

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Houston, TX, United States of America

Joseph C Bondos