| 利用套管井补偿中子时间推移测井识别气层及侵入 |
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| 引用本文： | 付金华,石玉江,孙小平.利用套管井补偿中子时间推移测井识别气层及侵入[J].物探与化探,2002,26(3):203-206. |
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| 作者姓名： | 付金华 石玉江 孙小平 |
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| 作者单位： | 1. 西北大学,地质系,陕西,西安,710021;长庆油田公司,勘探开发研究院,陕西,西安,710021
2. 长庆油田公司,勘探开发研究院,陕西,西安,710021 |
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| 摘 要： | 根据泥浆侵入气层前后补偿中子测井响应值的变化,设计了套管井内补偿中子时间推移测井试验。结果表明,该方法对识别渗透率在(1～3)×10-3μm2以上的砂岩气层有明显效果,为鄂尔多斯盆地上古生界低渗透砂岩可疑气层、低阻气层、泥浆污染气层的识别和老井资料复查提供了一种新的手段。
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| 关 键 词： | 时间推移测井 补偿中子测井 低渗透储层 识别气层 |
| 文章编号： | 1000-8918(2002)03-0203-04 |
| 收稿时间： | 2001-04-27 |
| 修稿时间： | 2002-03-01 |
THE APPLICATION OF TIME-LAPSED CNL IN CASED HOLE TO THE IDENTIFICATION OF GAS RESERVOIR AND MUD FILTRATE INVASION |
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| FU Jin-hua ,SHI Yu-jiang ,SUN Xiao-ping.THE APPLICATION OF TIME-LAPSED CNL IN CASED HOLE TO THE IDENTIFICATION OF GAS RESERVOIR AND MUD FILTRATE INVASION[J].Geophysical and Geochemical Exploration,2002,26(3):203-206. |
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| Authors: | FU Jin-hua SHI Yu-jiang SUN Xiao-ping |
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| Institution: | FU Jin-hua 1,2,SHI Yu-jiang 2,SUN Xiao-ping 2 |
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| Abstract: | Based on the different responses of compensated neutron log (CNL) in the gas reservoir before and after mud filtrate invasion, the authors designed the test of time-lapsed CNLin cased hole. The result indicates that time-lapsed CNLis effective in gas identification of a reservoir whose permeability is higher than (1～3)×10-3μm2. The test has provided a new method for the interpretation of the questionable, low resistivity or mud contaminated reservoir and for the restudy of old well data. |
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| Keywords: | time-lapsed log invasion compensated neutron log low permeability reservoir |
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