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for “page 2 of 7” · 3972ms
Patent
US4089373 Situ coal combustion heat recovery method
Cited prior art · Merrill J. Reynolds · Ralph W. Disney · United States · 1978
of combustion. type of situation, it may be desirable to surround the Page 7 plurality of oil pipes 56 with a ring of input wells 54 bustion then
Patent
US4018279 In situ coal combustion heat recovery method
Cited prior art · Merrill J. Reynolds · Ralph W. Disney · United States · 1977
in ing or driving fluid to carry the oil into the central Page 7 portion of the field and to the outlet pipes 56. In this ume either