| 低密度水包油钻井液在中原油田水平井的应用 |
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| 引用本文： | 郑德荣,孙善刚,李国保,黄宁,史沛谦.低密度水包油钻井液在中原油田水平井的应用[J].探矿工程,2010,37(9):15-18. |
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| 作者姓名： | 郑德荣 孙善刚 李国保 黄宁 史沛谦 |
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| 作者单位： | [1]中原石油勘探局钻井三公司,河南濮阳457001 [2]中原石油勘探局钻井工程技术研究院,河南濮阳457001 [3]中原石油勘探局钻井一公司,河南濮阳457001 |
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| 摘 要： | 根据低压力储层水平井钻井油气层保护要求,通过室内研究形成了密度在0.89~0.99 g/cm3之间可调,具有良好乳化稳定性和流变性,防塌能力强的低密度水包油钻井液配方。在达平1井等井的现场应用中,水包油钻井液性能稳定,易于维护调节,钻井施工安全快速,能够满足低压水平井近平衡、欠平衡钻井和地质要求,保护储层作用明显,收到了良好的应用效果。
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| 关 键 词： | 欠平衡 低密度 钻井液 水平井 水包油 储层保护 |
| 收稿时间： | 2010/3/19 0:00:00 |
| 修稿时间： | 2010/3/19 0:00:00 |
Application of Oil-in-water Low-density Drilling Fluid in Horizontal Wells of Zhongyuan Oilfield |
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| ZHENG De-rong,SUN Shan-gang,LI Guo-bao,HUANG Ning and SHI Pei-qian.Application of Oil-in-water Low-density Drilling Fluid in Horizontal Wells of Zhongyuan Oilfield[J].Exploration Engineering(Drilling & Tunneling),2010,37(9):15-18. |
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| Authors: | ZHENG De-rong SUN Shan-gang LI Guo-bao HUANG Ning and SHI Pei-qian |
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| Institution: | 1.The Third Drilling Company of Zhongyuan Petroleum Exploration Bureau,Puyang Henan 457001,China;2.The Drilling Tecnology Research Institute of Zhongyuan Petroleum Exploration Bureau,Puyang Henan 457001,China;3.The First Drilling Company of Zhongyuan Petroleum Exploration Bureau,Puyang Henan 457001,China) |
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| Abstract: | To satisfy the requirements of protecting hydrocarbon reservoir of low pressure reservoir horizontal well,by means of research in laboratory,oil-in-water drilling fluid formula with variable density in 0.89-0.99g/cm3 was obtained.This oil-in-water low-density drilling fluid has good capability of emulsion stability,rheological property and anti-sloughing property.The result of application in Daping #1 well showed that the drilling fluid has stable property and can be simply maintained and adjusted for safe and fast drilling operation.It also can satisfy the demands of near-balanced drilling underbalanced drilling for low pressure horizontal well and geologic requirement.There are obvious effects for hydrocarbon reservoir protection. |
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| Keywords: | underbalanced low density drilling fluid horizontal well oil-in-water reservoir protection |
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