Reservoir Evaluation and Development ›› 2018, Vol. 8 ›› Issue (5): 8-13.
• Reservoir Geology • Previous Articles Next Articles
Jia Jun1,2,Li Chang3,Wang Liang2,Zhao Ning2
Received:
2017-12-13
Online:
2018-10-26
Published:
2018-12-05
CLC Number:
Jia Jun,Li Chang,Wang Liang,Zhao Ning. Experimental study on identification of influencing factors of igneous gas and water layer by longitudinal and shear wave velocities[J].Reservoir Evaluation and Development, 2018, 8(5): 8-13.
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Table 1
Longitudinal and transverse wave velocity test results"
序号 | 岩样编号 | 岩性 | 孔隙度, % | 饱和样品 | 干燥样品 | 纵/横波速比 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
密度/ (g·cm-3) | VP/ (km·s-1) | VS/ (km·s-1) | VP/VS | 密度 (g·cm-3) | VP/ (km·s-1) | VS/ (km·s-1) | VP/VS | VP饱/VP干 | VS饱/VS干 | ||||||
1 | 00429 | 玄武岩 | 0.20 | 3.02 | 3.87 | 2.11 | 1.83 | 2.81 | 3.08 | 2.02 | 1.52 | 1.26 | 1.04 | ||
2 | 05640 | 2.10 | 2.85 | 3.36 | 2.11 | 1.59 | 2.66 | 3.19 | 2.33 | 1.37 | 1.05 | 0.91 | |||
3 | 16487 | 14.80 | 2.80 | 3.88 | 2.17 | 1.79 | 2.41 | 2.74 | 1.46 | 1.88 | 1.42 | 1.49 | |||
4 | 16488 | 13.70 | 2.74 | 4.02 | 2.05 | 1.96 | 2.35 | 2.44 | 1.97 | 1.24 | 1.65 | 1.04 | |||
5 | 04678 | 安山岩 | 15.30 | 2.68 | 2.38 | 1.45 | 1.64 | 2.29 | 2.36 | 1.49 | 1.59 | 1.01 | 0.97 | ||
6 | 04673 | 13.00 | 2.62 | 2.53 | 1.61 | 1.57 | 2.27 | 2.50 | 1.48 | 1.69 | 1.01 | 1.09 | |||
7 | 04400 | 1.00 | 2.69 | 4.24 | 2.74 | 1.55 | 2.54 | 3.29 | 2.19 | 1.51 | 1.29 | 1.25 | |||
8 | 04404 | 2.60 | 2.54 | 3.99 | 2.00 | 1.99 | 2.36 | 3.09 | 2.01 | 1.53 | 1.29 | 1.00 | |||
9 | 20321 | 闪长玢岩 | 8.00 | 2.74 | 3.02 | 1.89 | 1.59 | 2.46 | 3.17 | 1.75 | 1.82 | 0.95 | 1.08 | ||
10 | 05568 | 9.20 | 2.64 | 3.86 | 2.12 | 1.83 | 2.37 | 2.90 | 1.83 | 1.59 | 1.33 | 1.16 | |||
11 | 05579 | 9.90 | 2.60 | 3.45 | 1.88 | 1.84 | 2.33 | 2.96 | 1.93 | 1.54 | 1.17 | 0.97 | |||
12 | 20329 | 11.10 | 2.66 | 3.01 | 1.79 | 1.68 | 2.40 | 3.17 | 1.80 | 1.76 | 0.95 | 0.99 | |||
13 | 06103 | 花岗斑岩 | 6.80 | 2.62 | 4.20 | 2.53 | 1.66 | 2.39 | 3.79 | 2.46 | 1.54 | 1.11 | 1.03 | ||
14 | 06106 | 3.30 | 2.64 | 3.91 | 2.05 | 1.91 | 2.45 | 3.41 | 2.06 | 1.66 | 1.15 | 1.00 | |||
15 | 06109 | 8.70 | 2.64 | 2.95 | 1.80 | 1.64 | 2.37 | 2.91 | 1.84 | 1.58 | 1.01 | 0.98 | |||
平均值 | 7.90 | 2.70 | 3.51 | 2.02 | 1.74 | 2.43 | 3.00 | 1.91 | 1.59 | 1.18 | 1.07 |
Table 2
Relation between longitudinal and transverse wave velocities and density regression of igneous core samples"
岩性 | ρ 和 VP | ρ 和 VS | |||
---|---|---|---|---|---|
回归公式 | 相关系数 | 回归公式 | 相关系数 | ||
玄武岩 | ρ=1.349VP0.608 | 0.89 | ρ=2.191VS0.232 | 0.55 | |
安山岩 | ρ=1.795VP0.269 | 0.87 | ρ=2.087VS0.218 | 0.89 | |
闪长玢岩 | ρ=1.541VP0.394 | 0.80 | ρ=3.251VS-0.512 | 0.94 | |
花岗斑岩 | ρ=2.269VP0.049 | 0.37 | ρ=2.378VS0.016 | 0.14 |
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