油气化探分析测试质量监控与评估方法探讨
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胡斌, 李广之
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A discussion on quality monitoring and evaluation methods for oil and gas geochemical analysis and testing
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HU Bin, LI Guang-Zhi
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表1 油气化探常规测试项目不同标准方法允许误差对比
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Table 1 Allowable errors of different standard methods for conventional test items
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| 测试项目 | 假定测定值 | 行标方法 | 国标方法 | | 下限 | 上限 | 极差 | 下限 | 上限 | 极差 | | 8.0 | 4.3 | 14.9 | 10.6 | 5.3 | 11.7 | 6.5 | 酸解烃/
(μL·kg-1) | 80.0 | 48.0 | 133.4 | 85.4 | 62.6 | 100.9 | 38.3 | | 180.0 | 120.0 | 270.0 | 150.0 | 146.8 | 218.7 | 71.9 | | 8.0 | 4.3 | 14.9 | 10.6 | 5.5 | 11.3 | 5.8 | 顶空
φ(CH4)/10-6 | 80.0 | 48.0 | 133.4 | 85.4 | 62.7 | 96.5 | 33.8 | | 180.0 | 120.0 | 270.0 | 150.0 | 145.7 | 220.7 | 75.0 | | 8.0 | 4.3 | 14.9 | 10.6 | 5.8 | 10.7 | 5.0 | 热释烃/
(μL·kg-1) | 80.0 | 48.0 | 133.4 | 85.4 | 64.7 | 98.7 | 34.0 | | 180.0 | 120.0 | 270.0 | 150.0 | 146.5 | 220.9 | 74.4 | 荧光
w(B)/10-9 | 30.0 | 20.0 | 45.0 | 25.0 | 22.7 | 38.9 | 16.3 | | 120.0 | 88.7 | 162.4 | 73.7 | 99.3 | 143.6 | 44.3 | 蚀变碳酸盐
w(ΔC)/10-2 | 0.8 | 0.6 | 1.1 | 0.5 | 0.7 | 0.9 | 0.3 | | 2.2 | 1.8 | 2.7 | 0.9 | 2.0 | 2.5 | 0.5 | | 8.0 | 5.3 | 12.0 | 6.7 | 5.9 | 10.2 | 4.3 | 热释汞
w(Hg)/10-9 | 15.0 | 11.1 | 20.3 | 9.2 | 12.5 | 17.7 | 5.2 | | 25.0 | 20.5 | 30.6 | 10.1 | 21.8 | 28.4 | 6.6 |
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