METHOD FOR DEVELOPING OIL POOLS IN CARBONATE RESERVOIRS HAVING A HIGH HETEROGENEITY OF PERMEABILITY STRATIFICATION

摘要

The invention relates to a process for the mining of petroleum deposits in carbonate reservoirs of high stratified inhomogeneity with respect to permeability, which includes hydrofrac and acid treatment of the layers. The oil reserves contained in the weakly permeable layers of the productive rock sequence are included in the active degradation by first combining the petroleum layers, which are similar in permeability, into individual groups of layers, with a subsequent perforation of these layers comprising a 1 to 2 m imperforate space between the groups in the Ex-Strange for packaging is allowed, that each group of weakly permeable (low permeability and medium permeable) layers is exposed to a conventional Hydrofrac with input of water and proppant or quartz sand by means of packers, followed by a hydrochloric acid treatment of the same layer groups with Help the packers is performed and that if necessary, the high-permeability layers are exposed to an acid treatment, wherein in these layers no Hydrofrac is performed.