Inventors
Harold J Vinegar, Thomas Mikus, John Michael Karanikas, Scott Lee Wellington
Publication date
2000/5/2
Patent office
US
Patent number
6056057
Application number
08950480
Description
Assignee: Shell Oil Company, Houston, Tex. 57 ABSTRACT A method and apparatus is disclosed for heating of forma Appl. No.: 08/950,480 tions using fired heaters. Each fired heater may consist of 1-1. two concentric tubulars emplaced in the formation, con Filed: Oct. 15, 1997 nected via a wellhead to a burner at the Surface. Combustion Related US Application Data gases from the burner go down to the bottom of the inner Provisional application No. 60/028,376, Oct. 15, 1996. tubular and return to the Surface in the annular space
2-. 12 2 between the two tubulars. The two tubulars may be insulated
Total citations
Scholar articles
HJ Vinegar, T Mikus, JM Karanikas, SL Wellington - US Patent 6,056,057, 2000