Research on Adaptability of Well Pattern of Fractured Horizontal Well Development for Low permeability Oilfields

Aimed at the development features for low permeability oilfields, based on the optimized calculating result of single well fracturing horizontal well, for effective reservoir recovery of individual well , 3 kinds adaptable well patterns such as reverse five-spot horizontal well, anamorphic reverse nine-spot horizontal well and vertical well were optimized from 12 kinds of different well patterns combined with reservoir simulation for given low permeability reservoirs. The method could provide advisable development program of well patterns for low permeability reservoirs. It provides a rational program of well pattern arrangement for horizontal well development for low permeability reservoir.