Logging identification and distribution characteristics of high-gamma sandstones in the 7th member of Triassic Yanchang Formation, Ordos Basin
A large number of sandstone interlayers were developed in the shale strata of the 7th member of the Triassic Yanchang Formation (Chang 7 member) in the Ordos Basin. These sandstone interlayers are frequently accompanied by abnormally high natural gamma values as high as 330.5 API. As a result, they...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Petroleum Geology and Experiment
2023-01-01
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Series: | Shiyou shiyan dizhi |
Subjects: | |
Online Access: | https://www.sysydz.net/cn/article/doi/10.11781/sysydz202301099 |