石油钻采工艺2017，Vol.39Issue(1)：14-19,6.DOI:10.13639/j.odpt.2017.01.003
召10区块开发井网优化及加密调整分析
Optimization and infill adjustment of development well patterns in Zhao 10 Block
摘要
Abstract
In Zhao 10 Block, the well patterns were originally designed with small spacing density, and progressive development and concentrated construction were carried out, so at present, the distribution of well patterns is quite uneven. In order to improve the development results of this block, the original well pattern plans were optimized and adjusted by means of multiple methods (e.g. gas reservoir engineering, numerical simulation and economic evaluation) after the geological and dynamic characteristics were newly un-derstood. It is indicated that in the areas where no well is arranged, the spacing density of vertical well patterns can be set at 3.33 wells/km2 with the corresponding spacing of 500 m×600 m. For the well patterns with spacing of 600 m×800 m, regular infilling can, to some extent, increase the recovery factor of gas reservoirs, but it is economically infeasible. Vertical wells are advantageous in vertical reserves producing and horizontal wells are higher in areal reserve producing degree. Besides, horizontal wells can increase individual-well pro-duction rate effectively. Therefore, combined well patterns of vertical well+horizontal well can be ultimately used in this block, which can increase the recovery factor to 46.9%.关键词
致密砂岩气田/开发井网/井网优化/泄流半径/水平井/采收率/苏里格气田/鄂尔多斯盆地Key words
tight sandstone gas field/development well pattern/well pattern optimization/drainage radius/horizontal well/recov-ery factor/Sulige Gasfield/Ordos Basin分类
能源科技引用本文复制引用
郭平,顾蒙,彭松,孙振,成育红,汪周华..召10区块开发井网优化及加密调整分析[J].石油钻采工艺,2017,39(1):14-19,6.基金项目
国家留学基金"西部地区人才培养特别项目"(编号:201508515157) （编号:201508515157）
国家自然科学基金青年科学基金项目"基于密度泛函理论研究页岩气藏气固吸附微观机理"(编号:51204141). （编号:51204141）
