Wells – Processes – Heating – cooling or insulating
Patent
1983-06-21
1985-09-10
Suchfield, George A.
Wells
Processes
Heating, cooling or insulating
166 59, 166269, 166275, 210764, 422 28, 423591, E21B 4320, E21B 4324, C02F 150, C01B 15024
Patent
active
045400520
ABSTRACT:
In accordance with the present invention, microorganisms are controlled in a body of fluid, particularly an aqueous fluid containing such microorganisms, by burning a hydrogen-containing fuel in the presence of an oxidizing agent under conditions sufficient to produce partial oxidation products, containing significant amounts of at least one compound capable of controlling microorganisms, such as hydrogen peroxide and aldehydes controlling the burning step to prevent significant decomposition of the thus produced partial oxidation products and the formation of products of complete combustion therefrom by controlling the burning step by selecting at least one of the type of hydrogen-containing fuel, the fuel/oxidizing agent equivalence ratio, the temperature, the pressure and the residence time, preferrably the residence time by introducing a quench medium, particularly water, into the partial oxidation products, to produce an effluent containing said partial oxidation products containing including at least one compound capable of controlling microorganisms and contacting the body of fluid with the effluent.
In one specific aspect of the present invention, all or part of the body of fluid to be treated is utilized as a quench medium to terminate the burning.
In yet another specific aspect of the present invention, oil is displaced from an oil-bearing subsurface earth formation with water by generating the microorganism control material containing effluent as stated above, and utilizing the thus generated effluent to treat the water.
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Kibbel, Jr. et al., "An Evaluation of Peroxides as Waterflood Bactericides", Producers Monthly, vol. 27, No. 12, Dec. 1963, pp. 16-20.
Phillips Petroleum Company
Steininger C. F.
Suchfield George A.
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