METHOD FOR DEVELOPMENT OF NON-UNIFORM OIL DEPOSIT Russian patent published in 2019 - IPC E21B43/20 G06F17/50 E21B44/00 

FIELD: oil industry.

SUBSTANCE: invention relates to oil industry, in particular, to methods of development of oil deposit, and can be used for increasing oil recovery of developed oil deposits due to involvement in development of non-drilled sections. To achieve technical result, probabilistic geological and hydrodynamic models are created on sections selected for production drilling, scenarios of input of sections into development are formed and optimum version is selected based on technical and economic criteria, after that drilling of vertical injection wells and production wells, including horizontal wells are performed, if necessary, adaptation of the formed development system to the actual geological structure and filtration-capacitance properties of the section, arrangement of the water flooding of the formation and extraction of oil to the surface are performed, wherein in order to form an optimum scenario for the undeveloped section of the developed deposit to be developed, probabilistic geological and hydrodynamic models are used to transfer variability of geological characteristics inherent to the drilled sections, and use the obtained values to construct various realizations of geological and hydrodynamic models within non-drilled sections.

EFFECT: technical result of the invention is reduction of risks and improvement of quality of oil production forecast at arrangement of production drilling at new sections.

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