Fracturing Reconstruction Technology of Deep Horizontal Wells with Low Permeability

To solve the problem of fracturing in deep horizontal wells with low permeability in Zhongyuan Oilfield,a hydraulic jet fracturing technique was introduced.A fracturing fluid application system of stable performance,high shear rate and high sand carrying capacity was developed in allusion to the reservoir property.In combination with completion methods of horizontal wells,hydraulic jet fracturing tool was developed.In fracturing operation,the hydraulic fracturing technique,casing strings and its equipment and processes are optimized,reconstructed and perfected,by which hydraulic fracturing technologies suitable for Zhongyuan Oilfield are created.