| 对大港油田钻井过程中井塌问题的探讨 |
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| 引用本文： | 徐同台. 对大港油田钻井过程中井塌问题的探讨[J]. 石油学报, 1985, 6(1): 91-98. DOI: 10.7623/syxb198501011 |
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| 作者姓名： | 徐同台 |
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| 作者单位： | 石油工业部钻井司 |
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| 摘 要： | 本文分析了大港地区泥岩矿物组份变化规律,对该地区井塌原因及防止井塌措施进行了探讨,并介绍了腐钾、氯化钾泥浆防塌作用机理及现场使用情况。
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| 关 键 词： | 大港油田 泥岩水化 沙河街组 井塌 井下复杂情况 蒙脱石 伊利石 回收率 井径扩大率 氯化钾泥浆 |
| 收稿时间： | 1984-01-27 |
ON CAVE-IN PROBLEMS IN THE DAGANG OIL FIELD |
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| Xu Tongtai. ON CAVE-IN PROBLEMS IN THE DAGANG OIL FIELD[J]. Acta Petrolei Sinica, 1985, 6(1): 91-98. DOI: 10.7623/syxb198501011 |
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| Authors: | Xu Tongtai |
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| Affiliation: | Ministry of Petroleum Industry |
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| Abstract: | Causes of and preventive measures for cave-in of wells in the Dagang oil field is discussed through analysis of the mineral composition of mudstone samples. An introduction is made of the use of polyacrylonitrile nitrated-sulfonated potassium humic acids and potassium chloride as additive in mud for prevention of cave-in. |
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