煤层中CO2注入运移瞬变电磁法监测技术探索
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崔方智, 周韬, 张兵
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TEM monitoring technology of CO2 injection and transport in coal seam
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Fang-Zhi CUI, Tao ZHOU, Bing ZHANG
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表1 注入井3#煤层附近测井电阻率计算统计
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Table 1 Statistical table for calculating logging resistivity near coal seam of injection well
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钻井
编号 | 测井深度/m
(间隔0.05 m) | 煤层视
厚度/m | 未进行CO2注入 | | CO2注入使煤层电阻率增加2倍 | 底板上20 m
范围内地层
等效电阻率
变化率/% | 煤层等效
电阻率
/(Ω·m) | 煤层底板上20 m
范围内地层等效
电阻率/(Ω·m) | 煤层等效
电阻率
/(Ω·m) | 煤层底板上20 m
范围内地层等效
电阻率/(Ω·m) | | SX006 | 1102 | 6.04 | 843.0 | 220.0 | 2528.8 | 231.5 | 5.23 | | SX006-1 | 962 | 6.20 | 441.7 | 196.7 | 1325.2 | 224.0 | 13.88 | | SX006-2 | 993 | 6.15 | 726.0 | 175.5 | 2178 | 184.9 | 5.36 |
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