Xinjiang Petroleum Geology ›› 2025, Vol. 46 ›› Issue (1): 29-38.doi: 10.7657/XJPG20250104
• OIL AND GAS EXPLORATION • Previous Articles Next Articles
HU Xiangyang1(), WU Jian1(
), YANG Dong1, ZHANG Heng1, TAN Wei1, YUAN Wei2
Received:
2024-08-06
Revised:
2024-08-19
Online:
2025-02-01
Published:
2025-01-24
CLC Number:
HU Xiangyang, WU Jian, YANG Dong, ZHANG Heng, TAN Wei, YUAN Wei. Lower Limits of Physical and Electrical Properties of Low to Ultra-Low Permeability Gas Reservoirs[J]. Xinjiang Petroleum Geology, 2025, 46(1): 29-38.
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Table 1.
Physical properties of core samples and parameters of experiments under simulated formation conditions"
区块 | 实验项目 | 井名 | 岩心编号 | 深度/ m | 渗透率/ mD | 孔隙度/ % | 地层 温度/ ℃ | 地层 压力/ MPa | 上覆地层 压力/ MPa | 有效 上覆地层 压力/MPa | 驱替压力/MPa | 地层水 矿化度/ (mg·L-1) | 地层水型 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
东方A区 气藏 | 单相驱替 | DFA-7井 | 1 | 1 409.9 | 15.80 | 25.6 | 140 | 55 | 70 | 15 | 1.0、1.5、2.0、2.5、3.0、3.5、4.0、4.5、5.0、5.5、6.0 | 13 000 | NaHCO3型 |
DFA-7井 | 1a | 1 409.9 | 31.40 | 27.4 | |||||||||
DFA-5井 | 1a | 1 273.0 | 11.50 | 23.7 | |||||||||
DFA-4井 | 3a | 1 291.2 | 8.33 | 23.7 | |||||||||
DFA-4井 | 2 | 1 289.2 | 5.94 | 23.7 | |||||||||
DFA-2井 | 3 | 1 348.7 | 1.97 | 22.9 | |||||||||
毛细管 压力- 岩电联测 | DFA-2井 | 2 | 1 346.9 | 5.36 | 24.4 | 140 | 55 | 70 | 15 | 0.1、0.3、0.5、0.7、1.0、1.2、1.4、1.6、 1.8、2.0 | 13 000 | NaHCO3型 | |
DFA-2井 | 1a | 1 342.6 | 18.30 | 27.4 | |||||||||
DFA-5井 | 1 | 1 273.0 | 6.94 | 23.5 | |||||||||
DFA-4井 | 4a | 1 292.9 | 3.33 | 23.0 | |||||||||
DFA-4井 | 1 | 1 286.3 | 12.40 | 24.8 | |||||||||
DFA-4井 | 2a | 1 289.4 | 11.10 | 24.5 | |||||||||
文昌X/Y区 气藏 | 单相驱替 | WCY-2井 | 2 | 3 687.5 | 1.50 | 11.1 | 160 | 38 | 91 | 53 | 1.0、2.0、3.0、4.0、5.0、6.0、7.0、8.0、9.0、10.0 | 11 000 | NaHCO3型 |
WCY-2井 | 3 | 3 688.1 | 1.20 | 10.9 | |||||||||
WCY-2井 | 4 | 3 689.0 | 0.40 | 10.3 | |||||||||
WCX-3井 | 1a | 3 784.5 | 0.06 | 9.5 | |||||||||
WCX-3井 | 2a | 3 979.8 | 0.16 | 11.8 | |||||||||
WCX-3井 | 3 | 3 981.4 | 0.13 | 9.8 | |||||||||
毛细管 压力- 岩电联测 | WCY-2井 | 1 | 3 687.0 | 1.41 | 8.2 | 160 | 38 | 91 | 53 | 0.1、0.3、0.5、0.7、1.0、1.2、1.4、1.6、 1.8、2.0 | 11 000 | NaHCO3型 | |
WCY-3井 | 3 | 3 340.6 | 1.60 | 11.1 | |||||||||
WCY-3井 | 3a | 3 340.6 | 1.28 | 10.9 | |||||||||
WCY-3井 | 5a | 3 765.5 | 0.74 | 10.3 | |||||||||
WCX-3井 | 2 | 3 989.2 | 0.19 | 9.8 | |||||||||
WCX-3井 | 3a | 3 990.5 | 0.15 | 9.5 |
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