| 塔河油田超深定向井KCl-阳离子乳液聚磺钻井液技术 |
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| 引用本文： | 王立锋,王杰东,冯纪成,陈亮,沈青云. 塔河油田超深定向井KCl-阳离子乳液聚磺钻井液技术[J]. 石油钻探技术, 2012, 40(3): 73-77 |
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| 作者姓名： | 王立锋 王杰东 冯纪成 陈亮 沈青云 |
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| 作者单位： | 1. 中国石化华东石油局钻井工程公司,江苏镇江,212009
2. 中国石化西北油田分公司工程技术研究院,新疆乌鲁木齐,830011 |
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| 摘 要： | 塔河油田超深定向井钻井主要使用聚磺混油钻井液,该钻井液虽然能满足超深定向井的钻井要求,但无法满足环境保护和油气层保护的要求。因此,以阳离子乳液聚合物钻井液为基础,通过引入磺化材料提高其抗温性,加入KCl提高其抑制性,优选出了KCl-阳离子乳液聚磺钻井液。室内性能评价表明,KCl-阳离子乳液聚磺钻井液的高温润滑性、抑制性、稳定性与聚磺混油钻井液相当。现场应用表明,KCl-阳离子乳液聚磺钻井液能够满足塔河油田超深定向井的携岩、防塌、润滑和环保要求,可以替代聚磺混油钻井液,同样也适用于与塔河油田地质特征相似的超深定向井。
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| 关 键 词： | 超深井 定向井 乳化钻井液 聚合物钻井液 钻井液性能 塔河油田 |
KCl Cationic Emulsion Polymer-Sulfonate Drilling Fluid for Ultra-Deep Directional Well in Tahe Oilfield |
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| Wang Lifeng , Wang Jiedong , Feng Jicheng , Chen Liang , Shen Qingyun. KCl Cationic Emulsion Polymer-Sulfonate Drilling Fluid for Ultra-Deep Directional Well in Tahe Oilfield[J]. Petroleum Drilling Techniques, 2012, 40(3): 73-77 |
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| Authors: | Wang Lifeng Wang Jiedong Feng Jicheng Chen Liang Shen Qingyun |
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| Affiliation: | 1.Drilling Engineering Company,Sinopec East China Petroleum Bureau,Zhenjiang,Jiangsu,212009,China;2.Research Institute of Petroleum Engineering,Sinopec Northwest Oilfield Branch,Urumqi,Xinjiang,830011,China) |
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| Abstract: | Polymer-sulfonate oil-mixed drilling fluid was used in ultra-deep directional wells in Tahe Oilfield.Although this drilling fluid can meet the requirement of ultra-deep directional drilling,it is unable to satisfy the requirements of environment and reservoir protection.Therefore,on the basis of cationic emulsion polymer drilling fluid,KClcationic emulsion polymer-sulfonate drilling fluid was selected by introducing sulfonated material to improve the temperature resistance,adding KCl to improve its inhibitory properties.Laboratory performance evaluation showed that KClcationic emulsion polymer-sulfonate drilling fluid was similar with polymer-sulfonate oil-mixed drilling fluid in high temperature lubricity,inhibition and stability.Practical application showed KClcationic emulsion polymer-sulfonate drilling fluid could satisfy the requirements of cutting carrying,anti-sloughing,lubrication,and environmental protection of ultra-deep directional wells in Tahe Oilfield,replaced polymer-sulfonate oil-mixed drilling fluid,and was suitable for ultra-deep directional wells in similar geological conditions with Tahe Oilfield. |
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| Keywords: | ultra-deep well directional well emulsion drilling fluid polymer drilling fluid drilling fluid property Tahe Oilfield |
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