| 中亚异常高压产区固井问题井套管验漏与回接工艺技术 |
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| 引用本文： | 高庆云,张雪芹,赵俊威,张生兵. 中亚异常高压产区固井问题井套管验漏与回接工艺技术[J]. 内蒙古石油化工, 2012, 0(15): 102-103 |
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| 作者姓名： | 高庆云 张雪芹 赵俊威 张生兵 |
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| 作者单位： | [1]中油国际阿塞拜疆公司 [2]渤海钻探油气井测试公司 [3]长城钻探测井公司 [4]吐哈油田公司勘探开发研究院 |
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| 摘 要： | 针对异常高压产区深层探井KW 2固井质量不合格及套管悬挂部位存在漏失隐患的问题,采取了逐级压降法承压验漏、套管回接等一系列工艺技术措施,落实了油层套管密封情况并成功进行了回接作业。该工艺技术和现场经验对同类型措施井施工具有一定的参考价值。
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| 关 键 词： | 油层套管 验漏 回接 压降法 异常高压 |
Application and Technologies of Casing Leakage Checking and Tie-back in Abnormal High-pressure Zone Cementation Defect Well,Central Asia |
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| GAO Qing-yun,ZHANG Xue-qin,ZHAO Jun-wei,ZHANG Shengbing. Application and Technologies of Casing Leakage Checking and Tie-back in Abnormal High-pressure Zone Cementation Defect Well,Central Asia[J]. Inner Mongulia Petrochemical Industry, 2012, 0(15): 102-103 |
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| Authors: | GAO Qing-yun ZHANG Xue-qin ZHAO Jun-wei ZHANG Shengbing |
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| Affiliation: | 1.Azerbaijan Company,PetroChina International;2.Well Testing Company,Bohai Drilling and Exploration Engineering Company Limited;3.Well Logging Company,Great Wall Drilling and Exploration Engineering Company Limited;4.Exploration and Development Research Institute,Tuha Oil Field Company) |
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| Abstract: | As a deep exploration well,KW2 locates in abnormal high-pressure zone.Due to the well cementing defect in deep interval of the well bore,there is serious leakage risk at casing hanging section of deep production casing.In this case,applied a series of reasonable technologies,which involves gradually pressure drop down casing leakage checking and small casing tie-back etc.,resolved all complicated troubles successfully.All of the related technologies and methods can be used for reference of the similar well. |
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| Keywords: | Production Casing,Leakage Checking Casing Tie-back Pressure Drop-down Method Abnormal High-pressure |
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