Wells – Processes – With indicating – testing – measuring or locating
Patent
1976-03-22
1978-03-21
Novosad, Stephen J.
Wells
Processes
With indicating, testing, measuring or locating
166 53, 166 59, 166 64, 166 66, 166302, 166256, E21B 4324
Patent
active
040797848
ABSTRACT:
A method for heating a well or for initiating an in situ combustion operation to recover petroleum from a well in a subterranean reservoir, a method for assembling an ignition system for the in situ combustion, and an ignition system comprises an elongated combustion chamber suspended from a hollow electrical cable which supplies both electrical means and fuel gas to the chamber. Air inlet ducts in the walls of the combustion chamber receive air from the annular space between the hollow cable and the wellbore tubing. An electrical ignitor is temporarily energized to ignite the fuel-air mixture in the air inlet cylinder. An adjacent thermocouple is responsive to a flameout for re-energizing an ignitor manually such that burner operation is interrupted only momentarily .
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Calvin Douglas G.
Howard Curtis E.
Pitts, Jr. Robert W.
Nichols Theron H.
Novosad Stephen J.
Ries Carl G.
Texaco Inc.
Whaley Thomas H.
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