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利用正交试验设计方法，对低渗油藏整体压裂时裂缝参数和注采压差对区块最终采收率的影响进行了直观分析和方差分析，得到了裂缝参数和注来压差对最终采收率影响的主次顺序，优选了适合于研究区块的裂缝参数和注采压差的最佳组合方案，对该区块的压裂施工和生产开发设计具有一定的指导意义。
Using orthogonal test design method, the influence of fracture parameters and injection-pressure difference on the ultimate recovery rate of the block during the whole fracturing of the low permeability reservoir was analyzed and analyzed by variance analysis. The fracture parameters and the injection pressure difference The final order of the recovery rate of the primary and secondary order, the best choice for the study of the fracture parameters of the block and injection pressure difference of the best combination of the block fracturing construction and production development and design has a certain significance.