| 气体钻井转换钻井液保持井壁稳定技术 |
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| 引用本文： | 孙长健,张仁德,漆林,刘伟,刘青,彭园.气体钻井转换钻井液保持井壁稳定技术[J].钻采工艺,2010,33(2):15. |
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| 作者姓名： | 孙长健 张仁德 漆林 刘伟 刘青 彭园 |
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| 作者单位： | 川庆钻探工程公司川东钻探公司 |
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| 摘 要： | 气体钻井可以提高机械钻速、预防井漏、加快施工速度、大大缩短钻井周期。绝大多数情况下气体钻井结束时循环介质仍要由气体转换为钻井液，因此钻井液的转换非常关键，钻井液体系的选择、钻井液的配制、钻井液的性能至关重要。在LG001-8井 的现场应用结果表明，制定的气液转换施工工艺能减少由气液转换导致井壁失稳造成的井下复杂情况，避免恶性钻井事故的发生。
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| 关 键 词： | 气体钻井 气液转换 井壁稳定 三低钻井液 LG001-8井 |
ENHANCING WELLBORE STABILITY TECHNIQUE WHILE MUD SYSTEM TRANSFORMATION IN GAS DRILLING |
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| SUN Changjian,ZHANG Rende,QI Lin,LIU Wei,LIU Qing,PENG Yuan.ENHANCING WELLBORE STABILITY TECHNIQUE WHILE MUD SYSTEM TRANSFORMATION IN GAS DRILLING[J].Drilling & Production Technology,2010,33(2):15. |
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| Authors: | SUN Changjian ZHANG Rende QI Lin LIU Wei LIU Qing PENG Yuan |
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| Affiliation: | SUN Changjian,ZHANG Rende,QI Lin,LIU Wei,LIU Qing , PENG Yuan(CCDC Chu,ong Drilling Co.) |
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| Abstract: | Gas drilling can enhance penetration rate,prevent lost circulation and reduce gas drilling cycle.However,at the end of gas drilling,the circulating medium must transform to drilling mud.So,the selection,preparation and properties of mud system are importance for the transformation.The application results in Well Longgang 001-8 showed that the gas-liquid transformation techniques could reduce downhole problems and avoid drilling accidents. |
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| Keywords: | gas drilling gas-liquid transformation sidewall stability drilling fluid Longgang 001-8 well |
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