整体压裂井网与裂缝优化设计新方法.pdfVIP

32 2 Vol. 32 No. 2 2 011 3 A CT A PETROLEI SINICA Mar . 2 01 1 :( 2 01 1) 0202900 5 1 2 1 1 1 甘云雁 张士诚 刘书杰 齐 桃 曹砚锋 ( 1 100027; 2 102249) : 建立了既适用于常规低渗透油藏也适用于复杂断块低渗透油藏的压裂井网和裂缝优化模型, 以压裂井 油藏的波及系数最 大死油区最小为目标, 充分考虑压裂裂缝与井网的优化匹配, 结合油藏数值模拟的方法, 通过选取采出程度较高平均单井产油量 较高油藏综合含水率较低的井网部署方案来达到 压裂井参数的优化, 从而获得适合油藏实际情况的井网类型和裂缝参数的最 佳组合方案在此基础上系统研究了地层最大水平主应力方向和单井椭圆泄油区域 低渗透油藏井网部署的影响首次 复杂 断块低渗透油藏不规则井网的部署以及整体压裂开发方案的设计进行了研究, 进 一步完善了低渗透油藏整体压裂开发方案的设计 理论该方法应用于大庆油田和渤海某油田试验区整体压裂开发方案的设计中, 取得了较好的生产效益 : 低渗透油藏; 整体压裂; 井网优化; 不规则井网; 数值模拟 : T E3 571 1 : A A new method for well pattern optimization and integral fracturing design in low permeability reservoirs 1 2 1 1 1 GAN Yun an ZHANG Shicheng LIU Shujie QI T ao CAO Yanfeng ( 1. CN OOC Research I nstitute, B eij ing 10 0027, China; 2. Faculty of Petroleum Eng ineer ing , China Uni ers ity of Petroleum, Beij ing 1022 49, China) Abstract: A new well pattern design model w as built that can be applied to not onl normal but also complicated fault-block low per- meabilit reservoirs, the largest sw eep area of fracturing and the highest recover w ere target parameters for the optimization design b the model, and the effect of the irregular aligned fracture orientation on the well pattern design w as full considered. A reservoir numerical simulation was applied to optimizing parameters of fract uring wells b mean of selecting a w ell pattern allocation scheme that combined various factors together, such as higher degree of rese