Wells – Processes – Heating – cooling or insulating
Patent
1988-06-17
1989-09-12
Kisliuk, Bruce M.
Wells
Processes
Heating, cooling or insulating
166 61, 166 62, 166 57, 166261, E21B 4324, E21B 3602
Patent
active
048651303
ABSTRACT:
A housing surrounds a portion of a tubular member forming a combustion chamber in the annulus between the housing and the tubular member. The housing has an upper end and a lower end with a port for the passage of hot gases. The tubular member has a port at a lower end portion. The tubular member and housing are located in a borehole and oxygen and hydrogen are injected into the chamber to form a combustible mixture which is ignited and burned to form combustion gases for flow through the port of the housing into the borehole. Steam is injected through the tubular member for cooling the housing and the combustion gases. After a period of time, the injection of the oxygen, hydrogen and steam is terminated and a pump is lowered into the tubular member for pumping fluids in the borehole upward through the tubular member to the surface. Instead of steam, an excess of hydrogen may be injected into the combustion chamber for cooling purposes.
REFERENCES:
patent: 3018827 (1962-01-01), Henderson et al.
patent: 3456721 (1969-07-01), Smith
patent: 3982591 (1976-09-01), Hamrick et al.
patent: 4452309 (1984-06-01), Widmyer
patent: 4463803 (1984-08-01), Wyatt
patent: 4597441 (1986-07-01), Ware et al.
patent: 4609041 (1986-09-01), Magda
Amundson Robert M.
Ware Charles H.
Kisliuk Bruce M.
WorldEnergy Systems, Inc.
Zobal Arthur F.
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