| 河北省牛驮镇地热田钻探工艺 |
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| 引用本文： | 田京振,李砚智.河北省牛驮镇地热田钻探工艺[J].探矿工程,2009,36(8):27-30. |
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| 作者姓名： | 田京振 李砚智 |
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| 作者单位： | 河北省地矿局第三水文工程地质大队,河北衡水053000 |
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| 摘 要： | 河北省牛驮镇地热田地热地质条件为华北地区最好，开发20多年来，设备能力逐渐加强，管材由水文水井系列过渡到石油API系列，钻探工艺逐步发展。随着地下热水的开采，水位下降，储层的压力下降很多，在刚钻开基岩风化壳时出现了因泥浆骤然漏失而造成上部松散层坍塌的问题。针对这一施工难点问题，对钻进及成井工艺进行了改进。
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| 关 键 词： | 地热井 成井工艺 钻井结构 热储层 漏失 坍塌 牛驮镇地热田 |
| 收稿时间： | 2009/4/29 0:00:00 |
| 修稿时间： | 2009/6/7 0:00:00 |
Drilling Technology for Niutuozhen Geothermal Field in Hebei |
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| TIAN.Jing-zhen,LI Yan-zhi.Drilling Technology for Niutuozhen Geothermal Field in Hebei[J].Exploration Engineering(Drilling & Tunneling),2009,36(8):27-30. |
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| Authors: | TIANJing-zhen LI Yan-zhi |
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| Institution: | ( No. 3 Team of Hydrogeology and Engineering Geology, Hebei Provincial Bureau of Geo-exploration and Mineral Development, Hengshui Hebei 053000, China) |
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| Abstract: | Niutouzhen geothermal field is with the best geothermal geological condition in North China, pipe equipment was transitioned from hydrological well series to API series. But the groundwater and the reservoir pressure lowered with the continuous exploitation of geothermal groundwater, and upper loose layer collapsing occurred while drilling in base rock weathering crust. According to this construction difficulty, improvement was made on drilling and well completion technology. |
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| Keywords: | geothermal well well completion technology well structure geothermal reservoir leakage Niutouzhen geothermal field |
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