An in-situ combustion method for oil recovery from a subterranean oil-bearing formation traversed by a plurality of wells comprising a series of well pattern units wherein air permeability is established sequentially in the individual well pattern units pior to the initiation of in-situ combustion, thereby...http://www.google.es/patents/US4194562?utm_source=gb-gplus-sharePatente US4194562 - Method for preconditioning a subterranean oil-bearing formation prior to in-situ combustion
Method for preconditioning a subterranean oil-bearing formation prior to in ...
