| JZ20-2凝析油气田井壁稳定性研究 |
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| 引用本文： | 王玉静,刘长海,杨进,李彦彬. JZ20-2凝析油气田井壁稳定性研究[J]. 内蒙古石油化工, 2011, 0(18): 1-3 |
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| 作者姓名： | 王玉静 刘长海 杨进 李彦彬 |
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| 作者单位： | 1. 中海油能源发展股份有限公司钻采工程研究院,天津,300452
2. 中国石油大学,北京,102249 |
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| 基金项目： | 国家重大科技专项:大型油气田及煤层气开发,课题编号:2008ZX05000-23,专题:近海隐蔽油气藏勘探技术。专题编号:2008ZX05000-23-2 |
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| 摘 要： | JZ20-2凝析油气田钻遇馆陶组砂砾岩、东营组泥岩段以及沙河街组高孔隙压力段时,容易造成井壁坍塌和漏失以及井涌井喷造成的井壁坍塌。针对以上各地层影响井壁稳定性的地层孔隙压力、油气田地应力等因素入手,通过引进三轴强度试验装置系统,进行地层强度测试及建立准确的强度剖面。并综合考虑调整井的井斜、方位对坍塌压力和破裂压力的影响,从而精细确定了各地层安全泥浆密度窗口。
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| 关 键 词： | JZ20-2凝析油气田 井壁稳定性 泥浆密度 |
Research on sidewall stability of JZ20-2 condensation oil-gas field |
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| WANG Yu-jing,LIU Chang-hai,YANG Jin,LI Yan-bin. Research on sidewall stability of JZ20-2 condensation oil-gas field[J]. Inner Mongulia Petrochemical Industry, 2011, 0(18): 1-3 |
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| Authors: | WANG Yu-jing LIU Chang-hai YANG Jin LI Yan-bin |
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| Affiliation: | WANG Yu-jing1,LIU Chang-hai1,YANG Jin2,LI Yan-bin1(1.Oilfield Engineering Research Institute,CNOOC Energy Technology & Services,Tianjin,300452,2.China Petroleum university,Beijing,102249) |
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| Abstract: | Sidewall of JZ20-2 condensation oil-gas field will be easy to create cave-in and dropout when drilling the Guantao Group sandy conglomerate,Dongying Group mudstone section and high pore pressure section of Shahejie Group.In view of above various strata factors of influencing wall such as stable stratum pore pressure and oil-gas field crustal stress,through the introduction three axle structural testing installment system,we carries on the stratum strength test and the establishment accurate intensity sectio... |
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| Keywords: | JZ20-2 condensation oil-gas field Sidewall stability Mud density |
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