Bottom hole burner

Claim 1

A BOTTOM HOLE BURNER FOR INTRODUCING HEAT INTO AN OIL WELL COMPRISING, IN COMBINATION, A COMBUSTION CHAMBER HAVING AN UPPER END AND A LOWER END, A FIRST AND A SECOND CONDUIT EACH JOINED TO SAID UPPER END OF SAID COMBUSTION CHAMBER FOR COMMUNICATION WITH SUPPLY SOURCES ON THE SURFACE OF THE EARTH, ONE OF THESE CONDUITS PROVIDING A FUEL GAS AND THE OTHER THEREOF PROVIDING A COMBUSTION-SUPPORTING GAS, MEANS FOR IGNITING A COMBUSTIBLE MIXTURE POSITIONED ADJACENT SAID UPPER END OF SAID COMBUSTION CHAMBER, A CLOSURE PLUG FOR SAID LOWER END OF SAID COMBUSTION CHAMBER POSITIONED THEREIN FOR DISENGAGEMENT THEREFROM BY A PREDETERMINED PRESSURE EXERTED FROM WITHIN SAID COMBUSTION CHAMBER, SAID MEANS FOR IGNITING COMPRISING AN ELECTRODE POSITIONED ADJACENT BUT SPACED FROM ONE OF SAID CONDUITS, MEANS FOR SUPPLYING ELECTRICAL CURRENT TO SAID ELECTRODE, AND MEANS FOR CONDUCTING ELECTRICAL CURRENT FROM SAID ONE OF SAID CONDUITS WHEREBY A SPARK IS CREATED BETWEEN SAID LAST MENTIONED CONDUIT AND SAID ELECTRODE.