1
Harold J Vinegar, Thomas Mikus, John Michael Karanikas, Scott Lee Wellington: Heater well method and apparatus. Shell Oil Company, May 2, 2000: US06056057 (302 worldwide citation)

A method and apparatus is disclosed for heating of formations using fired heaters. Each fired heater may consist of two concentric tubulars emplaced in the formation, connected via a wellhead to a burner at the surface. Combustion gases from the burner go down to the bottom of the inner tubular and ...


2
Thomas Mikus, Scott Lee Wellington, John Michael Karanikas, Harold J Vinegar: Heater well method and apparatus. Shell Oil Company, Del S Christensen, June 27, 2000: US06079499 (294 worldwide citation)

A method and apparatus is disclosed for heating of formations using fired heaters. The method includes the steps of: