低密度水包油钻井液在中原油田水平井的应用 |
投稿时间:2010-03-19 修订日期:2010-03-19 点此下载全文 |
引用本文:郑德荣,孙善刚,李国保,等.低密度水包油钻井液在中原油田水平井的应用[J].钻探工程,2010,37(9):15-18.ZHENG De-rong,SUN Shan-gang,LI Guo-bao,et al. Application of Oil-in-water Low-density Drilling Fluid in Horizontal Wells of Zhongyuan Oilfield[J]. Drilling Engineering, 2010,37(9):15-18. |
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中文摘要: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。 |
中文关键词:欠平衡 低密度 钻井液 水平井 水包油 储层保护 |
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Application of Oil-in-water Low-density Drilling Fluid in Horizontal Wells of Zhongyuan Oilfield |
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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/cm3was 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. |
keywords:underbalanced low density drilling fluid horizontal well oil-in-water reservoir protection |
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