来凤地区龙马溪组含气页岩测井识别——以WY1井为例
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裴圣良, 屈建新, 张鹏
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Log-based identification of gas-bearing shales in the Longmaxi Formation of the Laifeng area: A case study of well WY1
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PEI Sheng-Liang, QU Jian-Xin, ZHANG Peng
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表1 WY1井龙马溪组泥页岩测井响应特征
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Table 1 Shale logging response characteristics of the Longmaxi Formation in well WY1
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| 岩性 | 含气量 | 自然伽马/API | 深侧向电阻率
/(Ω·m) | 浅侧向电阻率
/(Ω·m) | 岩性密度/
(g·cm-3) | 补偿中子/% | 声波时差/(μs·m-1) | | 黑色泥页岩 | 高 | 180.0~495.0 | 48.5~876.5 | 16.0~717.5 | 2.63~2.71 | 4.0~18.5 | 195.0~269.0 | | 灰色泥页岩 | 高 | 204.0~305.0 | 27.0~313.5 | 20.0~232.5 | 2.67~2.71 | 5.0~17.5 | 206.0~263.0 | | 粉砂质泥岩 | 高 | 230.0~300.0 | 87.5~63.5 | 75.0~495.0 | 2.65~2.70 | 9.0~11.5 | 203.0~234.5 | | 中 | 200.0~250.0 | 120.0~1000.0 | 80.0~770.0 | 2.64~2.72 | 6.0~10.0 | 192.0~211.0 | | 泥质粉砂岩 | 低 | 150.0~230.0 | 120.0~1300.0 | 100.0~1100.0 | 2.66~2.71 | 3.5~9.5 | 192.0~206.5 |
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