The problem of low oil recovery factor of is closely connected to а lot of negative consequences of high recovery rate maintenance during reservoir flooding. The complex of innovative EOR technologies on the basis of in situ gas generation methods is offered, providing integrative efficiency of reservoir-type systems due to coordinate technological decisions. The paper reflects last years' results of the theoretical, experimental and field works on bed stimulations methods by gas-liquid СО2 slugs. New methods exclude negative consequences of CO2 surface injection from ground communications and provide in situ gas formation and generation as а result of chemical reaction of injected water solutions of gas-yielding and gas-making chemical agents.
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