Special Oil & Gas Reservoirs >

2021 , Vol. 28 >Issue 5: 45 - 52

DOI: https://doi.org/10.3969/j.issn.1006-6535.2021.05.007

Geologic Exploration

Application of Natural Gamma Spectrometry Logging in Mineral Resources Exploration in Sichuan Basin

  • Wu Xiaoguang ,
  • Miao Xiangxi ,
  • Wang Zhiwen ,
  • Kang Jianyun
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  • Sinopec Matrix Corporation, Chengdu, Sichuan 610100, China

Received date: 2020-06-15

  Revised date: 2021-07-15

  Online published: 2022-02-17

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Abstract

In view of the difficulties in identification and logging evaluation of highly radioactive reservoirs in Sichuan Basin, the causes of high radioactivity in the reservoirs were summarized and sorted out in combination with geological background, energy-spectrum logging characteristics and core data. The combined characteristics of the uranium, thorium and potassium curves in the spectrometry logging data and the cross plot analysis method were adopted in the effective research and analysis related to lithology, reservoir identification, mud content calculation and hydrocarbon source rock quality evaluation in the exploration of highly radioactive terrestrial dense sandstone gas reservoir, marine carbonate gas reservoir, shale gas reservoir and miscellaneous halite solid minerals. There is much for reference of the study to the exploration of highly radioactive mineral resources in the basin and other work areas with similar geological conditions

Key words： natural gamma-ray energy spectrum logging; natural gas; highly enriched uranium; highly radioactive reservoirs; Sichuan Basin

Cite this article

Wu Xiaoguang , Miao Xiangxi , Wang Zhiwen , Kang Jianyun . Application of Natural Gamma Spectrometry Logging in Mineral Resources Exploration in Sichuan Basin[J]. Special Oil & Gas Reservoirs, 2021 , 28(5) : 45 -52 . DOI: 10.3969/j.issn.1006-6535.2021.05.007

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