Yan Chang Gas Field H8 Layer Fracturing Technology Research

Yan chang gas field Since exploration, for a total of h8 layers fracturing 77 layers,existing unimpeded flow of 52 floors, the unimpeded flow Wanfang 41 layers, layer construction accounted for 78.8%, but can reach 10 Articles of only one layer, 30 Articles of zero, far below the expected results.Now through targeted research carried out h8 fracturing process analysis in the overall evaluation of the cartridge h8 existing reservoir characteristics, now with the fracturing design parameters and construction data on the basis of their relationship with the unimpeded flow analysis, research factors influencing the sort of h8 fracturing and fracturing fluid is preferably evaluated proppant performance evaluation and sensitivity analysis of reservoir studies recipe system work, a comprehensive study of the region fracturing technology features and fracturing fluid formulation system Features, fracturing the formation of a comprehensive adaptation program and technology system of the formation, increase production after the pressure of gas reservoir development to provide reasonable reservoir reconstruction programs to improve the ultra-low permeability gas reservoir exploitation degree and recovery.According to extend the field of ancient reservoirs of different permeability characteristics, permeability values ??were 0.25 × 10-3μm2,0.5 × 10-3μm2,1.5 ×10-3μm2,4×10-3μm2 optimization and fracture half-length and production optimization and system optimization based on fracture.Geological parameters cartridge 4 gas wells by FracproPT fractured gas wells fracturing design software to determine the gas pump sequence tables, ahead fluid volume, sand ratio,perforation and other construction parameters, design the appropriate fracturing Construction reports.Fracturing fluid formulation material testing and quality analysis testing and fracturing the scene to guide the design of four wells, four wells fracturing sand appropriate scale,fracturing parameters also reached design requirements, the fracturing process is normal.