地热钻探技术规程
时间:2025-04-23
时间:2025-04-23
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DZ
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中华人民共和国地质矿产行业标准
地热钻探技术规程
Geothermal drilling regulations
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(征求意见稿)
(2011.8.30)
XXXX - XX - XX发布 XXXX - XX - XX实施
中华人民共和国国土资源部 发布
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I
XX/T XXXXX—XXXX 目 次
前言 ................................................................................. VI
1 范围 ............................................................................... 1
2 规范性引用文件 ..................................................................... 1
3 术语与定义 ......................................................................... 1
4 总则 ............................................................................... 3
5 地热井类型及井身结构 ............................................................... 4
5.1 地热井类型 ..................................................................... 4
5.2 地热井井身结构 ................................................................. 4
6 地热钻井工程设计 ................................................................... 5
6.1 钻井设计基本原则 ............................................................... 5
6.2 钻井设计基本要求 ............................................................... 5
6.3 钻井设计内容 ................................................................... 5
7 钻井设备的选择 ..................................................................... 8
7.1
7.2
7.3
7.4
7.5 钻机的选择 ..................................................................... 8 泥浆泵的选择 ................................................................... 8 井架与平台的选择 ............................................................... 8 钻井液固控系统的选择 ........................................................... 8 其他附属装置 ................................................................... 8
8 钻前准备 ........................................................................... 9
8.1
8.2
8.3
8.4 井场修建与布置 ................................................................. 9 设备安装 ....................................................................... 9 机具与材料准备 ................................................................ 10 检查与验收 .................................................................... 11
9 地热井钻进方法选择 ................................................................ 11
9.1 钻进方法分类 .................................................................. 11
9.2 钻进方法选择 .................................................................. 12
10 全面钻进 ......................................................................... 13 10.1
10.2
10.3
10.4
10.5
10.6
II 钻具组合一般要求 ............................................................. 13 牙轮钻头钻进 ................................................................. 14 刮刀(翼状)钻头钻进 ......................................................... 15 PDC钻头钻进 ................................................................. 16 气动潜孔锤钻进 ............................................................... 17 钢丝绳冲击钻进 ............................................................... 17
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10.7 液动潜孔锤全面钻进 .......................................................... 17
10.8 喷射钻井 .................................................................... 18
10.9 反循环钻进工艺 .............................................................. 19
11 取心钻进 ........................................................................ 19
11.1 地热井取心钻进 .............................................................. 19
11.2 地热井取心方法选择 .......................................................... 19
11.3 单回次取心钻进 .............................................................. 20
12 扩孔钻进 ........................................................................ 21
12.1 合金钻头扩孔钻进 ............................................................ 21
12.2 牙轮钻头扩孔钻进 ............................................................ 21
12.3 潜孔锤扩孔钻进 .............................................................. 21
13 地热井钻进特殊操作要求 .......................................................... 21 13.1
13.2
13.3
13.4
13.5
13.6
13.7
13.8 防斜操作要求 ................................................................ 21 划眼作业要求 ................................................................ 22 录井作业要求 ................................................................ 22 井控要求 .................................................................... 23 钻遇特殊地层操作要求 ........................................................ 23 预防井喷操作要求 ............................................................ 23 防止井漏操作要求 ............................................................ 23 高温钻井操作要求 ............................................................ 24
14 定向井钻进 ...................................................................... 24 14.1
14.2
14.3
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