| 新疆乌苏市巴音沟煤层气勘探井护壁堵漏技术 |
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| 引用本文： | 陈磊,赵廷忠,夏荣,尼亮亮.新疆乌苏市巴音沟煤层气勘探井护壁堵漏技术[J].探矿工程,2018,45(5):50-54. |
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| 作者姓名： | 陈磊 赵廷忠 夏荣 尼亮亮 |
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| 作者单位： | 新疆地质矿产开发局第七地质大队,新疆地质矿产开发局第七地质大队,新疆地质矿产开发局第七地质大队,新疆地质矿产开发局第七地质大队 |
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| 摘 要： | 在煤层气勘探井固体岩心钻探施工过程中，遇岩层构造发育、地下水系发达的施工条件，钻进中往往发生钻井多层漏失、护壁困难的情况。因煤层气勘探井对录井工作的特殊要求，护壁堵漏工作的成功与否成为钻探施工的关键。在进行钻井护壁堵漏处理时，因技术方法不得当或未采取正确的计算经常导致护壁堵漏失败，甚至引发重大的钻探事故。通过对工区施工的经验总结，提出了切实可行的护壁堵漏技术措施，为类似地层钻井勘探施工提供借鉴。
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| 关 键 词： | 煤层气 勘探井 水泥浆 惰性材料 替浆量 护壁堵漏 |
| 收稿时间： | 2018/3/26 0:00:00 |
| 修稿时间： | 2018/5/8 0:00:00 |
Wall Protection and Plugging Technology for Bayingou Coalbed Methane Exploration in Xinjiang |
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| CHEN Lei,ZHAO Ting-zhong,XIA Rong and NI Liang-liang.Wall Protection and Plugging Technology for Bayingou Coalbed Methane Exploration in Xinjiang[J].Exploration Engineering(Drilling & Tunneling),2018,45(5):50-54. |
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| Authors: | CHEN Lei ZHAO Ting-zhong XIA Rong and NI Liang-liang |
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| Institution: | The Seventh Geological Brigade of Xinjiang Geology and Minerals Bureau,The Seventh Geological Brigade of Xinjiang Geology and Minerals Bureau,The Seventh Geological Brigade of Xinjiang Geology and Minerals Bureau,The Seventh Geological Brigade of Xinjiang Geology and Minerals Bureau |
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| Abstract: | During the construction of solid core drilling in coalbed methane exploration well, when encountering the tectonic development of rock strata and developed underground water system, multi-layer leakage and difficult wall protection often happen. Because of the special requirements for logging operation in coalbed methane exploration wells, the wall protection and plugging become the key of drilling construction. In the process of wall protecting and plugging treatment, some improper technical methods and incorrect calculation can lead to the failure, even cause major drilling accident. By the summary of the construction experience of the work area, the feasible technical measures of wall protection and plugging are put forward, which provide reference for the similar stratum drilling exploration and construction. |
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| Keywords: | coalbed methane exploration well cement slurry inert material the amount of cement displacement wall protection and plugging |
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