永镇油田下 83 断块热采稠油油藏井网加密开发调整工程可行性讨论报告(钻采工程部分)编写人: 参加人: 初审人: 审核人: 批准人: 付合油田分公司2025 年 3 月目 录1、油藏地质概况..................................................12、现有工艺适应性评价............................................32.1 油层保护措施应用情况.........................................32.2 完井工艺适应性评价...........................................32.3 防砂工艺适应性评价...........................................42.4 注汽工艺适应性评价...........................................52.5 机采工艺适应性评价...........................................52.6 工艺适应性评价小结...........................................63、油层保护工艺..................................................63.1 高效防膨剂的筛选.............................................63.2 开发全过程的油层保护措施.....................................74、钻井工程方案..................................................84.1 井身轨迹要求.................................................84.2 井身结构设计.................................................94.3 钻井液设计..................................................104.4 固井工艺....................................................114.5 钻机选型....................................................115、完井工程设计.................................................125.1 完井方式选择................................................125.2 生产套管设计................................................145.3 水平井裸眼滤砂管完井设计....................................165.4 射孔工艺设计................................................186、防砂工艺设计.................................................216.1 防砂方式优选................................................216.2 防砂工艺设计................................................227、注汽工艺.....................................................247.1 注汽工艺管柱设计............................................247.2 注汽参数优化设计..........