| 文东地区深井高密度钻井液技术 |
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| 引用本文： | 贾朝敬,郭京华,庄义江.文东地区深井高密度钻井液技术[J].断块油气田,2001,8(3):61-62. |
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| 作者姓名： | 贾朝敬 郭京华 庄义江 |
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| 作者单位： | 1. 中原石油勘探局钻井工程技术研究院
2. 中原石油勘探局钻井一公司 |
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| 摘 要： | 针对中原油田文东地区地层复杂，盐间高压油气井钻井难度大，极易造成井喷、井漏、划眼、卡钻等复杂情况，分析了高密度钻井液技术的难点，对深井高密度聚磺饱和盐水钻井液的配制、维护处理提出了具体的要求。三开采用高密度聚磺饱和盐水钻井液，钻进过程中加强维护处理，有效的解决了文东深井高密度钻进液的流变性、润滑、防塌、抗温等难题，降低了钻井成本。
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| 关 键 词： | 中原油田 钻井流体 深井 高密度聚磺钻井液 盐膏层 |
| 修稿时间： | 2001年1月2日 |
High Density Drilling Fluid Technology in Wendong Oilfield |
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| Jia Chaojing.High Density Drilling Fluid Technology in Wendong Oilfield[J].Fault-Block Oil & Gas Field,2001,8(3):61-62. |
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| Authors: | Jia Chaojing |
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| Abstract: | Geological condition in Wendong Block of Zhongyuan Oilfield is very complicated, large section of evaporite beds exist. Therefore, drilling troubles as blow out, lost circulation, hole sloughing and stuck pipe are likely to happen. Analysising the difficult points of high density drilling technique, the detailed requirement for preparation and maintence of heigh density Polysulfonate saturated salt solution and salt water drilling fluid in deep wells are provided. High weight polysulfonate salt water drilling fluids were used while the third drilling. Wells drilled using this system were trouble free. |
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| Keywords: | Drilling fluid Deep wells High density Polysulfonate drilling fluid Evaporite bed |
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