| 苏里格气田水平井S77-5-8钻井液技术 |
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| 引用本文： | 严利咏,贾标,党战锋,陈建,骆旋.苏里格气田水平井S77-5-8钻井液技术[J].重庆科技学院学报(自然科学版),2012,14(4):53-55,59. |
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| 作者姓名： | 严利咏 贾标 党战锋 陈建 骆旋 |
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| 作者单位： | 1. 西部钻探定向井技术服务公司,乌鲁木齐,830026
2. 辽河油田井下作业公司,盘锦,124107 |
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| 基金项目： | 国家油气重大专项(2008ZX05013) |
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| 摘 要： | 苏里格地区二叠系井壁失稳问题一直是油田勘探与开发的技术难点,采用适当密度的钻井液技术是复杂地层钻井成功的关键。通过分析该地层不稳定因素及钻井液施工技术难点,对钻井液的配伍进行改进,优选适合该地区的聚磺钻井液体系。该钻井液体系具有良好的流变性、造壁性、润滑性和抑制性。现场应用表明,该钻井液体系对该地区顺利钻进、井下安全及油气层保护有非常好的效果。
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| 关 键 词： | 聚磺钻井液 稳定井壁 卡钻 油气层保护 |
Drilling Fluid Technology of Horizontal Well S77-5-8in Sulige Gas Field |
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| YAN Liyong,JIA Biao,DANG Zhanfeng,CHEN Jian,LUO Xuan.Drilling Fluid Technology of Horizontal Well S77-5-8in Sulige Gas Field[J].Journal of Chongqing University of Science and Technology:Natural Science Edition,2012,14(4):53-55,59. |
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| Authors: | YAN Liyong JIA Biao DANG Zhanfeng CHEN Jian LUO Xuan |
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| Affiliation: | 1.Directional Drilling Company of Xibu Drilling Engineering Company Limited,CNPC,Urumqi 830026; 2.Downhole Operation Service of Liaohe Oilfield,Panjin 124107) |
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| Abstract: | The problem of borehole instability in Dyas of Sulige region has been kept as a major difficulty in the exploration and development.The key of successful drilling of complex lithological formation is to use drilling fluid with appropriate density.This paper analyzes and researches the labile factor of Sulige region Dyas complex formation and the difficulties to the implementation of drilling fluid technology,improves the compatibility of the drilling fluid and optimized polysulfonate drilling fluid system as the appropriate drilling fluid.The drilling fluid system has good rheological,building capacity,oiliness and rejection capability.Application result shows that the drilling fluid is useful to the easy drilling,underground safety and hydrocarbon reservoir protection. |
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| Keywords: | polysulfonate drilling fluid persistent borehole wall sticking of a tool hydrocarbon reservoir protection |
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