| 煤成气井取心技术实践及认识 |
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| 引用本文： | 郑锋辉.煤成气井取心技术实践及认识[J].石油钻探技术,1998,26(2):23-24. |
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| 作者姓名： | 郑锋辉 |
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| 作者单位： | Zheng Fenghui，engineer of CBM Section of the 5th Surveying and Exploration Co.，Huabei Petroleum Bureau，CNSPC. |
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| 摘 要： | 煤成气井取心要求高收获率、尽可能短的提钻时间和出筒与装罐时间。根据煤成气井取心特点，选择绳索取心工具作为煤成气井取心工具并推荐了取心技术参数。山西、陕西、甘肃、河北等地８口煤成气井煤层取心实践证明，本文提供的技术方法可行。
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| 关 键 词： | 煤成气 气井 储集层特征 绳索取心 取心工具 含气量 解吸 压力 渗透率 时间 参数 应用 山西 陕西 甘肃 河北 |
Coring Practices in CBM Wells and Its Knowledge |
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| Zheng Fenghui,engineer of CBM Section of the th Surveying and Exploration Co.,Huabei Petroleum Bureau,CNSPC..Coring Practices in CBM Wells and Its Knowledge[J].Petroleum Drilling Techniques,1998,26(2):23-24. |
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| Authors: | Zheng Fenghui engineer of CBM Section of the th Surveying and Exploration Co Huabei Petroleum Bureau CNSPC |
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| Affiliation: | Zheng Fenghui,engineer of CBM Section of the 5th Surveying and Exploration Co.,Huabei Petroleum Bureau,CNSPC. |
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| Abstract: | Keys of coring in CBM wells are high recovery,short trip out time and more quickly to be held.According to the characteristics of coring in CBM wells,the wireling coring tool is chosen as coring tool and the reasonable parameters are proposed.It proved suitable after coring in 8 CBM wells in Shanxi,Gansu,Hebei,etc. |
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| Keywords: | coal formed gas gas well reservoir characteristics wireling coring gas content desorption pressure permeability time parameter applicattion Shanxi Shanxi Gansu Hebei |
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