| 汶川地震断裂带科学钻探三号孔（WFSD-3）事故处理与认识 |
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| 引用本文： | 张文生,张正.汶川地震断裂带科学钻探三号孔（WFSD-3）事故处理与认识[J].安徽地质,2016,26(1):40-43. |
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| 作者姓名： | 张文生 张正 |
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| 作者单位： | 安徽省地质矿产勘查局313地质队,安徽六安,237010;安徽省地质矿产勘查局313地质队,安徽六安,237010 |
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| 摘 要： | WFSD-3孔因地层破碎、缩径,不可预知因素多,发生多起孔内事故,通过对钻铤脱扣、下套管卡钻、埋钻等不同事故原因分析、事故处理,对WFSD-3孔施工工艺做出了改进与调整,总结了对科学钻探孔事故预防与处理的经验体会。
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| 关 键 词： | 汶川地震断裂带 复杂地层 事故处理 认识与体会 |
treAtment of the ACCident With SCientifiC drillinG hole WfSd-3 in the WenChuAn SeiSmiC fAult zone And the underStAndinGS |
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| zhAnG Wen-sheng,zhAnG zheng.treAtment of the ACCident With SCientifiC drillinG hole WfSd-3 in the WenChuAn SeiSmiC fAult zone And the underStAndinGS[J].Geology of Anhui,2016,26(1):40-43. |
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| Authors: | zhAnG Wen-sheng zhAnG zheng |
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| Abstract: | Hole WFSD-3 encountered a number of downhole accidents due to stratigraphic breakage, hole shrinkage and many unforeseen factors. After analysis of causes and treatment of different accidents such as drill collar tripping, run-casing sticking and bit burying, this paper improved and adjusted hole WFSD-3 construction techniques, summarized work experiences from prevention and treatment of scientific drilling hole accidents. |
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| Keywords: | Wenchuan seismic fault zone complex stratum accident treatment understandings |
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