I 目 次 前 言 ....................................................................... III 1 范围 ......................................................................... 1 2 规范性引用文件................................................................ 1 3 术语和定义 ................................................................... 1 4 基本规定 ..................................................................... 3 4.1 热储类型................................................................ 3 4.2 地热井类型.............................................................. 3 4.3 地热井深度.............................................................. 3 4.4 地热井口径系列 .......................................................... 4 4.5 钻进方法分类与选择 ...................................................... 4 4.6 基本要求................................................................ 4 5 钻探设备及器具选择 ............................................................ 4 5.1 钻探设备的选择 .......................................................... 4 5.2 钻具、井管及仪器仪表的选择 .............................................. 6 6 钻探设备的安装、拆卸及搬迁 .................................................... 7 6.1 机场地基修筑 ............................................................ 7 6.2 钻井液循环净化系统的设置 ................................................ 7 6.3 基台的安装.............................................................. 8 6.4 钻塔的安装与拆卸 ........................................................ 8 6.5 机械设备的安装 .......................................................... 8 6.6 附属设施的安装 .......................................................... 9 6.7 设备的拆卸与搬迁 ....................................................... 10 7 钻探工艺 .................................................................... 10 7.1 钻井结构..............................