METHOD FOR DEVELOPMENT OF MULTIPLE-BED OIL POOL Russian patent published in 1997 - IPC

FIELD: oil production industry. SUBSTANCE: method can be used in development of oil pool with reservoirs of different permeability which are divided by non-permeable separating layer. Oil is taken through producing wells. Intensifying agent is pumped through injection wells into interval of low-permeable interlayer until bottom-hole zone permeability achieves permeability of distant part of interlayer. Working agent is pumped through injection well into low-permeable interlayer for no less period than it is needed for establishing influence of injection well upon producing well. Working agent is injected into low-permeable and high-permeable interlayers. Levelling of inflow and/or injectivity is effected beginning with low-permeable interlayer until achieving equal pressure of injectivity of levelling agent in interlayers. EFFECT: high efficiency.