Tube material for sour wells of intermediate depths

Details Tube material for sour wells of intermediate depths Tube material for sour wells of intermediate depths

C - Chemistry, Metallurgy

22

C

75/116, 166/68

C22C 38/44 (2006.01) C22C 19/05 (2006.01) E21B 17/00 (2006.01)

Patent

CA 1187314

ABSTRACT OF THE DISCLOSURE Directed to an oil well tube for use in corrosive well environments, said tube being made of an age-hardened alloy containing about 38% to 46% nickel, about 19.5% to 23.5% chromium, about 2.5% to about 3.5% molybdenum, about 1.5% to 3% copper, about 1% to 3% titanium, up to about 1.5% aluminum, up to about 3.5% columbium, not more than 0.15% carbon and the balance essentially iron.

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