Reservoir Evaluation and Development ›› 2019, Vol. 9 ›› Issue (4): 73-78.
• Non-conventional Reservoir • Previous Articles Next Articles
TANG Jianxin
Received:
2019-04-08
Online:
2019-08-26
Published:
2019-08-28
CLC Number:
TANG Jianxin. Comparative studies on methane isothermal adsorption models of shale of Longmaxi formation in Pengshui area[J].Reservoir Evaluation and Development, 2019, 9(4): 73-78.
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Table 1
Basic information of experimental samples"
样品编号 | 层位 | 深度/m | TOC,% | 黏土矿物,% | 石英,% |
---|---|---|---|---|---|
PY1-2 | 龙一段 | 2 076.90 | 1.01 | 52.8 | 29.8 |
PY1-52 | 龙一段 | 2 084.85 | 1.80 | 49.3 | 27.7 |
PY1-62 | 龙一段 | 2 113.46 | 1.21 | 28.6 | 34.2 |
PY1-8 | 龙一段 | 2 129.21 | 1.35 | 41.6 | 32.6 |
PY1-76 | 龙一段 | 2 138.13 | 2.38 | 23.0 | 39.6 |
PY1-84 | 龙一段 | 2 153.42 | 3.58 | 25.1 | 57.6 |
PY1-85 | 龙一段 | 2 155.14 | 4.25 | 20.7 | 61.1 |
Table 2
Simulation results of different models"
样品 编号 | SDR | Langmuir | 密度修正的Langmuir | 定密度修正的Langmuir | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
n0/ (cm3·g-1) | ρabs/ (mg·cm-3) | D/ (mol2·kJ-2) | R2 | n0/ (cm3·g-1) | pl/ MPa | R2 | n0/ (cm3·g-1) | ρabs/ (mg·cm-3) | pl /MPa | R2 | n0/ (cm3·g-1) | pl/ MPa | R2 | ||||
PY1-2 | 1.78 | 249.43 | 0.014 2 | 0.98 | 1.33 | 1.81 | 0.972 | 1.76 | 332.55 | 2.83 | 0.981 | 1.64 | 2.54 | 0.98 | |||
PY1-52 | 2.65 | 175.55 | 0.013 6 | 0.952 | 1.88 | 1.02 | 0.928 | 2.54 | 230.57 | 1.76 | 0.962 | 2.18 | 1.35 | 0.954 | |||
PY1-62 | 2.51 | 288.26 | 0.010 1 | 0.947 | 1.91 | 1.14 | 0.963 | 1.98 | 1 766.52 | 1.22 | 0.963 | 2.23 | 1.53 | 0.958 | |||
PY1-8 | 1.23 | 441.91 | 0.009 | 0.994 | 0.95 | 1.43 | 0.999 | 0.95 | 79 955.61 | 1.43 | 0.999 | 1.17 | 2.11 | 0.987 | |||
PY1-76 | 2.98 | 304.32 | 0.011 5 | 0.978 | 2.30 | 1.61 | 0.981 | 2.41 | 1 467.52 | 1.75 | 0.982 | 2.76 | 2.19 | 0.979 | |||
PY1-84 | 3.59 | 378.54 | 0.011 7 | 0.983 | 2.85 | 2.18 | 0.984 | 2.88 | 7 019.91 | 2.22 | 0.984 | 3.49 | 3.00 | 0.981 | |||
PY1-85 | 4.01 | 413.06 | 0.009 3 | 0.971 | 3.13 | 1.49 | 0.965 | 3.13 | 46 058.05 | 1.49 | 0.965 | 3.77 | 2.09 | 0.958 |
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