| 合川气田快速钻井的难点与对策 |
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| 引用本文： | 梁益,陈家凤,王雁飞,胡萍,丁振龙.合川气田快速钻井的难点与对策[J].天然气技术,2010,4(1):52-54. |
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| 作者姓名： | 梁益 陈家凤 王雁飞 胡萍 丁振龙 |
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| 作者单位： | 中国石油天然气集团公司川庆钻探工程公司,四川,成都,610051 |
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| 摘 要： | 合川气田位于川中古隆平缓构造区的威远至龙女寺构造群。针对该气田地层夹层多、地层易漏、浅层油气显示活跃、须家河组地层可钻性差等影响钻井提速的因素，分析了第2次开钻和第3次开钻井身结构的破岩效率，提出了优化井身结构和钻头选型、采用旋转防喷器欠平衡钻进、使用井下动力钻具等提高机械钻速的措施。
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| 关 键 词： | 合川气田 钻井 钻井速度 措施 |
Difficulties and Solutions of Faster Drilling in Hechuan Gasfield |
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| LIANG Yi,CHEN Jia-feng,WANG Yan-fei,HU Ping,DING Zhen-long.Difficulties and Solutions of Faster Drilling in Hechuan Gasfield[J].NATURAL GAS TECHNOLOGY,2010,4(1):52-54. |
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| Authors: | LIANG Yi CHEN Jia-feng WANG Yan-fei HU Ping DING Zhen-long |
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| Abstract: | Located at Weiyuan-Longnvsi Structure of gentle structural area, Hechuan gasfield in the Central-Sichuan Paleuplift is characterized by much interlayer among strata, especially poor drillability, easy leaking, active oil/gas show and shallow safety window for Xujiahe Formation. These features can affect a faster drilling. In this paper, efficiency of breaking rock of casing program during second and third drilling is firstly analyzed, and then some solutions to increase a penetration rate are presented, suc... |
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| Keywords: | Hechuan gasfield drilling rate measures |
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