压裂新工艺在低渗透油田特殊井层的应用

Application of New Fracturing Technology in Special Well or Layer of Low Permeability Oilfield

针对低渗透油田低产液量新井和厚油层油井单井产量偏低的实际情况,从储层改造角度对油井低产原因进行了分析,并针对储层特点和油井低产原因,采用缝内转向压裂工艺和多级充填压裂工艺对储层进行压裂改造,有效地提高压裂裂缝在储层平面和纵向的改造程度,现场应用效果明显,为低渗透油田提高单井产量提供了重要技术支持。

To the reality situation of new well with low liquid production and low production of single well in thick oil layer in low permeability oilfield,from angle of transform reservoir,the reason of low production is analyzed,and to character of reservoir and reason of low production in oil well,reservoir is fractured and transformed by technology of steering fracturing within fracture and fracturing,which effectively improves transforming degree of fracturing fracture on the plane and vertical of reservoir,whose effect of application in field is obvious,and which provide important tech support for improving production of single well in low permeability oilfield.