Geoscience ›› 2021, Vol. 35 ›› Issue (03): 819-831.DOI: 10.19657/j.geoscience.1000-8527.2020.098
• Petroleum Geology • Previous Articles Next Articles
YU Jingwei1(), NIU Zhijie2, QI Liqi1, SUN Xinming3, LIU Ni3, ZHANG Jin1, CAO Song1
Received:
2020-06-15
Revised:
2020-10-10
Online:
2021-06-23
Published:
2021-06-24
CLC Number:
YU Jingwei, NIU Zhijie, QI Liqi, SUN Xinming, LIU Ni, ZHANG Jin, CAO Song. Comprehensive Study on Reservoir Heterogeneity of Toutunhe Formation in the Slope Area, North of Fukang Sag, Junggar Basin[J]. Geoscience, 2021, 35(03): 819-831.
非均质程度 | VK | TK | JK | k |
---|---|---|---|---|
弱 | <0.5 | <2.0 | <2.0 | >0.3 |
中等 | 0.5~0.7 | 2.0~3.0 | 2.0~6.0 | 0.1~0.3 |
强 | >0.7 | >3.0 | >6.0 | <0.1 |
Table 1 Division standard of reservoir heterogeneity
非均质程度 | VK | TK | JK | k |
---|---|---|---|---|
弱 | <0.5 | <2.0 | <2.0 | >0.3 |
中等 | 0.5~0.7 | 2.0~3.0 | 2.0~6.0 | 0.1~0.3 |
强 | >0.7 | >3.0 | >6.0 | <0.1 |
层位 | 夹层厚度/m | 夹层平均密度/% | 夹层平均频率/(个/m) |
---|---|---|---|
J2t3 | 0.5~3.6 | 42 | 0.3 |
J2t2 | 0.2~2 | 35 | 0.22 |
J2t1 | 0~2 | 30 | 0.19 |
Table 2 Statistics of distribution characters on interlayers of sandstone reservoir in Toutunhe Formation in Fubei area
层位 | 夹层厚度/m | 夹层平均密度/% | 夹层平均频率/(个/m) |
---|---|---|---|
J2t3 | 0.5~3.6 | 42 | 0.3 |
J2t2 | 0.2~2 | 35 | 0.22 |
J2t1 | 0~2 | 30 | 0.19 |
层位 | 分层系数/(层/m) | 砂地比/% | |||
---|---|---|---|---|---|
范围 | 平均值 | 范围 | 平均值 | ||
J2t3 | 1~12 | 6.3 | 4~70 | 30 | |
J2t2 | 2~16 | 6.4 | 13~89 | 43.8 | |
J2t1 | 0~13 | 5.9 | 0~83 | 39.7 |
Table 3 Statistical table of stratification coefficient and sandbady density in Toutunhe Formation of Fubei area
层位 | 分层系数/(层/m) | 砂地比/% | |||
---|---|---|---|---|---|
范围 | 平均值 | 范围 | 平均值 | ||
J2t3 | 1~12 | 6.3 | 4~70 | 30 | |
J2t2 | 2~16 | 6.4 | 13~89 | 43.8 | |
J2t1 | 0~13 | 5.9 | 0~83 | 39.7 |
层位 | 样品数/ 个 | 石英/% | 长石/% | 岩屑/% | Q/(F+R) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
平均 | 范围 | 平均 | 范围 | 范围 | 平均 | 范围 | 平均 | |||||
J2t3 | 10 | 15.7 | 0~27 | 14.3 | 0~24 | 51~100 | 70 | 0~0.36 | 0.2 | |||
J2t2 | 18 | 25.4 | 10~68 | 24.4 | 16~38 | 11~60 | 50.3 | 0.1~2.19 | 0.44 | |||
J2t1 | 12 | 20.7 | 0~31 | 18.8 | 0~27 | 48~100 | 60.8 | 0.16-0.45 | 0.3 |
Table 4 Statistics of average mass fraction and clastic composition in Toutunhe Formation in Fubei area
层位 | 样品数/ 个 | 石英/% | 长石/% | 岩屑/% | Q/(F+R) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
平均 | 范围 | 平均 | 范围 | 范围 | 平均 | 范围 | 平均 | |||||
J2t3 | 10 | 15.7 | 0~27 | 14.3 | 0~24 | 51~100 | 70 | 0~0.36 | 0.2 | |||
J2t2 | 18 | 25.4 | 10~68 | 24.4 | 16~38 | 11~60 | 50.3 | 0.1~2.19 | 0.44 | |||
J2t1 | 12 | 20.7 | 0~31 | 18.8 | 0~27 | 48~100 | 60.8 | 0.16-0.45 | 0.3 |
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