| 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,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 |
| 收稿时间： | 2009/3/25 0:00:00 |
| 修稿时间： | 2009/4/19 0:00:00 |
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(Drilling & Tunneling),2009,36(8):31-33,36. |
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| Authors: | WANG Xu-hong |
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| Institution: | WANG Xu-hong( SINOPEC North China Company, Zhengzhou Henan 450006, China) |
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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 poly-sulfonate drilling fluid Daniudi gas field |
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