Waterflood Test Of Low Permeability Reservoirs In Chang8Reservoir Of Zhangjiawan Of Zhiluo Oilfield

With the increase of degree of oil exploration and development in our country, thestorage of the low permeable oil fields have become more and more improtant.As the lowpermeable oil fields have a poor reservoir property, and the single well production is low, soits development is difficult. The key of the Low permeability oilfield is to maintain formationpressure. and advanced water injection, namely first note after gas injection way cancomplement formation energy reasonably, improve the formation pressure, the oil Wells in thelong-term maintaining high production capacity, production decline significantly reduced. Soit is necessary to further study of advanced water injection, in order to better development oflow permeable oil fields.Advanced water injection development approach can complement formation energyreasonably, improve the formation pressure, maintain a strong production capacity of oil Wellsin the long-term. Zhangjiawan Dadonggou district group8reservoir physical property is poor,low permeability, insufficient natural energy, and formation pressure drop quickly, accordingto the characteristics, take a experiment in Lu46wellblock with advanced water injection,through the experiment to find out the best way to recover the oil in Chang8reservoir, anddetermine its form of reasonable water injection timing and pattern, water injection mode,water injection intensity, to guide the reasonable development of the oilfield effectively.