| 大斜度及水平井中水泥浆的失重和气侵研究 |
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| 引用本文： | 郭小阳 刘崇建 谢应权 许树谦 王军 苏洪生. 大斜度及水平井中水泥浆的失重和气侵研究[J]. 西南石油大学学报(自然科学版), 1996, 18(2): 25-34. DOI: 10.3863/j.issn.1000-2634.1996.02.05 |
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| 作者姓名： | 郭小阳 刘崇建 谢应权 许树谦 王军 苏洪生 |
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| 作者单位： | (1.西南石油学院；2.新疆石油管理局) |
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| 摘 要： | 大斜度及水平井中,水泥浆的失重和气侵规律与直井不完全相同,主要表现在水泥浆的析水量、井斜角、井径及井身结构等因素的影响。零析水水泥浆的失重与气侵主要是胶凝悬挂引起的,而非零析水水泥浆的失重与气侵,除了胶凝悬挂外,井壁上侧形成的自由水槽却是另一个重要因素。研究还表明,在倾斜井筒中,按API常规方法测量的析水是不合理的,而必须将水泥浆装入测量筒,倾斜45°进行测量。
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| 关 键 词： | 固井 水泥浆 水泥浆胶凝 气侵 低滤失量 |
| 收稿时间： | 1996-04-01 |
Study of Weightlessness and Air Cutting of Cement Slurry in Hihgly Derivated and Horizontal Well |
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| Guo Xiao-yang Liu Chong-jian Xie ying-quan Xu Shu-qian Wang Jun Su Hong-sheng. Study of Weightlessness and Air Cutting of Cement Slurry in Hihgly Derivated and Horizontal Well[J]. Journal of Southwest Petroleum University(Seience & Technology Edition), 1996, 18(2): 25-34. DOI: 10.3863/j.issn.1000-2634.1996.02.05 |
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| Authors: | Guo Xiao-yang Liu Chong-jian Xie ying-quan Xu Shu-qian Wang Jun Su Hong-sheng |
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| Affiliation: | (1.Southwest Petroleum Institute；2.Xinjiang Petroleum Administration) |
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| Abstract: | Rules of weightlessness and air cutting in highly derivated and horizontal wells are not the same as in vertical wells, which lies in the effects of cement slurry filtration rate, hole derivation angle, well calibre and well structure, etc. Weightlessness and air cutting of zero-filtrateless cement slurry result from suspended agglomeration, but those of non-zero-filtrateless cement slurry are caused by free water groove formed on the upper wellface as well as suspended agglomeration. The study also shows that the filtration rate of cement slurry measured with API normal method is not reasonable and it must be measured with the measuring tube inclined 45℃. |
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| Keywords: | Well cementing Horizontal well Cement slurry Cement slurry gel Gas cut Low fluid loss |
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