| 水包油钻井液在梨深1井欠平衡段的应用 |
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| 引用本文： | 祃树攀,张彦明.水包油钻井液在梨深1井欠平衡段的应用[J].探矿工程,2009,36(10):18-20. |
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| 作者姓名： | 祃树攀 张彦明 |
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| 作者单位： | 中国石化集团华北石油局五普钻井公司,河南新乡453700 |
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| 摘 要： | 采用何种流体作为携岩介质，既能保护油气层又能保持井壁的稳定是欠平衡钻井的关键。梨深1井在四开欠平衡井段采用了水包油钻井液体系，这是该区域首次使用此体系。通过配方的优选，科学的维护处理，不但能够发现和保护了油气层，同时对较长泥岩段的井壁稳定起到了良好的防塌效果，为以后该区域的欠平衡钻井施工提供了一个较好的携岩体系。
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| 关 键 词： | 欠平衡钻井 水包油钻井液 维护处理 防塌 保护油气层 |
| 收稿时间： | 2009/4/18 0:00:00 |
| 修稿时间： | 2009/4/18 0:00:00 |
Application of Oil-in-water Drilling Fluid in Unbalanced Drilling Section of Well Lishen 1 |
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| MA Shu-pan and ZHANG Yan-ming.Application of Oil-in-water Drilling Fluid in Unbalanced Drilling Section of Well Lishen 1[J].Exploration Engineering(Drilling & Tunneling),2009,36(10):18-20. |
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| Authors: | MA Shu-pan and ZHANG Yan-ming |
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| Institution: | (Wupu Drilling Company, SINOPEC North China Company, Xinxiang Henan 453700, China) |
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| Abstract: | Selection of cutting carrying medium is very important for unbalanced drilling, which should protect oil ＆ gas reservoir and keep the borehole stability. Oil-in-water system was firstly applied in the fourth unbalanced drilling section of Well Lishen 1. Optimized drilling fluid formula and scientific maintenance played well in oil ＆ gas formation protection and borehole collapsing prevention, a new type of cutting carrying medium was developed for unbalanced drilling construction in this area. |
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| Keywords: | unbalanced drilling oil-in-water drilling fluid maintenance and treatment collapse prevention oil and gas formation protection |
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