SLT291-2025水利水电工程钻探规程-条文说明

中华人民共和国水利行业标准水利水电工程钻探规程SL/T xxx－20xx条文说明目 次3 基本规定...............................................................................................................874 准备工作...............................................................................................................884.1 组织策划.......................................................................................................884.2 钻进方法的选择...........................................................................................884.3 设备机具的选择与使用...............................................................................884.4 作业准备.......................................................................................................895 钻探方法与工艺...................................................................................................915.1 硬质合金钻进...............................................................................................915.2 金刚石钻进...................................................................................................915.3 绳索取心钻进...............................................................................................945.4 金刚石复合片钻进.......................................................................................955.5 冲击钻进.......................................................................................................955.6 液动冲击回转钻进.......................................................................................965.7 空气潜孔锤钻进...........................................................................................965.8 其他钻进方法...............................................................................................976 定向钻探与定向取心...........................................................................................996.1 定向钻探......................................................................