| 钾铵基聚磺钻井液体系在大牛地气田水平井钻井中的应用 |
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| 引用本文： | 王旭宏. 钾铵基聚磺钻井液体系在大牛地气田水平井钻井中的应用[J]. 探矿工程(岩土钻掘工程), 2009, 36(8): 31-33,36 |
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| 作者姓名： | 王旭宏 |
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| 作者单位： | 中石化华北分公司开发处,河南,郑州,450006 |
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| 摘 要： | 大牛地气田水平井钻井中,由于A点前井眼尺寸较大,二叠系石千峰至下石盒子组泥岩普遍存在易水化膨胀、剥落、掉块、垮塌现象,处理复杂情况导致钻井周期长.经过2口水平井的钻井实践,摸索出了适合A点前的钾铵基聚磺钻井液体系,减少了井下复杂情况,提高了钻井效率,缩短了A点前的钻井周期,从而提高了该工区钻进水平井的综合效益.
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| 关 键 词： | 水平井 " 双保" 天然高分子钻井液 钾铵基聚磺钻井液 大牛地气田 |
Application of Potassium-ammonium Polysulfonate Drilling Fluid System in Horizontal Well of Danudi Gas Field |
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| WANG Xu-hong. Application of Potassium-ammonium Polysulfonate Drilling Fluid System in Horizontal Well of Danudi Gas Field[J]. Exploration Engineering （Rock & Soil Drilling and Tunneling）, 2009, 36(8): 31-33,36 |
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| Authors: | WANG Xu-hong |
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| Affiliation: | SINOPEC North China Company |
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| Abstract: | In drilling of Daniudi gas field, hydrating swelling, spalling, block-falling and collapsing were the common phenomenon in the mudstone of Permian Shiqianfeng formation to lower Shihezi formation, which led to long drilling period. Potassium-ammonium polysulfonate drilling fluid system was found out based on the drilling experience of 2 horizontal wells, with which drilling efficiency was improved. |
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| Keywords: | horizontal well natural polymer drilling fluid for both oil/gas reservoir protection potassium-ammonium polysulfonate drilling fluid Daniudi gas field |
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