Patent Number: 7,785,427

Title: High strength alloys

Abstract: High strength metal alloys are described herein. At least one composition of a metal alloy includes chromium, nickel, copper, manganese, silicon, niobium, tungsten and iron. System, methods, and heaters that include the high strength metal alloys are described herein. At least one heater system may include a canister at least partially made from material containing at least one of the metal alloys. At least one system for heating a subterranean formation may include a tubular that is at least partially made from a material containing at least one of the metal alloys.

Inventors: Maziasz; Phillip James (Oak Ridge, TN), Shingledecker; John Paul (Knoxville, TN), Santella; Michael Leonard (Knoxville, TN), Schneibel; Joachim Hugo (Knoxville, TN), Sikka; Vinod Kumar (Oak Ridge, TN), Vinegar; Harold J. (Bellaire, TX), John; Randy Carl (Houston, TX), Kim; Dong Sub (Sugar Land, TX)

Assignee: Shell Oil Company

International Classification: C22C 38/42 (20060101); C22C 38/58 (20060101); E21B 36/00 (20060101)

Expiration Date: 8/31/12018