Wells – Processes – Heating – cooling or insulating
Patent
1983-01-31
1984-10-09
Novosad, Stephen J.
Wells
Processes
Heating, cooling or insulating
166 59, E21B 4324
Patent
active
044755961
ABSTRACT:
The present invention relates to a process for increasing the yield of hydrocarbons from an underground hydrocarbon-bearing formation penetrated by a borehole and wherein a gas generator is located in the borehole at or above the level of the formation. The gas generator includes a housing forming a chamber and having an upper inlet end for receiving fuel, a catalyst assembly in an upper region of the chamber, a gas-generating reaction chamber below the catalyst assembly, this reaction chamber having a separate chemical reactant inlet and a restricted lower outlet for the passage of hot gaseous reaction products. The method of this invention relates to the operation of this gas generator by the steps comprising: flowing from the surface a fuel consisting of hydrogen peroxide, catalytically reacting the hydrogen peroxide to form hot reaction gases including oxygen and steam and contacting the hot reaction gases with a chemical reactant which converts the oxygen into steam, whereby hot gaseous reaction products substantially free of uncombined oxygen penetrate the hydrocarbon-bearing formation.
REFERENCES:
patent: 2680486 (1954-06-01), Carpenter
patent: 3075463 (1963-01-01), Eilers et al.
patent: 3230707 (1966-01-01), Rothmayer et al.
patent: 3447316 (1969-06-01), White
patent: 3746088 (1973-07-01), Haskin et al.
patent: 3982592 (1976-09-01), Hamrick et al.
patent: 4078613 (1978-03-01), Hamrick et al.
Neuder William P.
Novosad Stephen J.
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