石油勘探与开发2011，Vol.38Issue(5)：606-612,7.
鱼骨状分支水平井井形设计优化
Design optimization for the horizontal well pattern with herringbone-like laterals
摘要
Abstract
For the configuration design of herringbone wells, we applied a coupled multi-segment well model to determine the design principles of different parameters, and also made evaluation of the sensitivity for each parameter by orthogonal design. The results show that the factors influencing productivity of herringbone wells are mainly those of layout (location, sides and symmetry) and laterals morphology (length, number, angles and spacing). The order of morphology parameters influencing on the production of herringbone wells is as follows: length > number > angle > spacing for laterals. The design principles of the configuration of herringbone wells are: the laterals are on different sides and asymmetric, the laterals should be put as close as possible to the ends of the main wellbore, the number of laterals should be not least than 2, and the angle should be more than 30 degrees. The actual engineering capability should be considered in practice. With this method, three herringbone wells in the Shengli Oilfield were applied to calculate the productivity, and all the errors were less than 3%. The designed BO2 well of the Bajiaoting reservoir which was located in the Pinghu oil and gas field of East China Sea had a productivity of 350 m3/d.关键词
鱼骨状分支井/分段耦合模型/数值模型/参数优化/井形设计优化Key words
herringbone-like well/ coupled multi-segment well model/ numerical modeling/ parameter optimization/ design optimization of well pattern分类
能源科技引用本文复制引用
张世明,周英杰,宋勇,万海艳,安永生,许强,董志刚..鱼骨状分支水平井井形设计优化[J].石油勘探与开发,2011,38(5):606-612,7.基金项目
国家863项目"鱼骨状分支水平井整体开发边际油田技术研究"(2007AA09Z314) （2007AA09Z314）
国家重大专项"复杂结构井优化设计与控制关键技术"(2009ZX05009-005) （2009ZX05009-005）
