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<p>Reservoir characteristics of Ordos Basin Jingbian gas field X area Ordovician Ma5 section carbonate rock, study its reservoir main control factors, and predict the favourable zones of reservoir. According to the current domestic and foreign oil and gas exploration data, carbonate reservoirs have very favourable geological conditions for oil and gas exploration, and the vast majority of oil and gas reservoirs exist here, which can be used as the key research object for oil and gas reservoir development. However, nowadays, China’s research on marine carbonate reservoirs is not mature and has certain exploration difficulties, so it proves that the study of carbonate reservoirs has great significance for the development of oil and gas reservoirs in China. This paper takes the Ordovician weathered crust and the carbonate reservoir of Ma5 section in Area X of Jingbian gas field in Ordos Basin as the research object, integrates the geological theory and exploration practice, and makes use of the drilling and logging data, cores, thin sections, as well as the analysis of physical properties, gas test and other data in the research area to carry out an in-depth study on the characteristics of Ordovician Ma5 section in Area X of Jingbian gas field in Ordos Basin, respectively. Through the stratigraphic division and comparison of the Ordovician Ma5 section, reservoir pore characteristics and spatial characteristics in the study area, we analyse the favourable development intervals of the reservoir and predict the favourable zones to be as follows: rolling favourable exploration zone of the Jingbian karst terrace; favourable exploration zone of the Jila-Zhaohuangmiao-Angsumiao karst saddle-valley belt; favourable exploration zone of the eastern part of the X zone’s solifluction ping; favourable exploration zone of the southern part of the Yulin-Yanchuan karst plain.</p>

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Prediction of Gas Field Reservoir Favorable Zone Exploration and Its Main Control Factors

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • Lu Zixing,
  • Pei Wenchao,
  • Chen Juanping,
  • Wang Kangle,
  • Xue Dali,
  • Lv Bin,
  • Li Qingyao

摘要

Reservoir characteristics of Ordos Basin Jingbian gas field X area Ordovician Ma5 section carbonate rock, study its reservoir main control factors, and predict the favourable zones of reservoir. According to the current domestic and foreign oil and gas exploration data, carbonate reservoirs have very favourable geological conditions for oil and gas exploration, and the vast majority of oil and gas reservoirs exist here, which can be used as the key research object for oil and gas reservoir development. However, nowadays, China’s research on marine carbonate reservoirs is not mature and has certain exploration difficulties, so it proves that the study of carbonate reservoirs has great significance for the development of oil and gas reservoirs in China. This paper takes the Ordovician weathered crust and the carbonate reservoir of Ma5 section in Area X of Jingbian gas field in Ordos Basin as the research object, integrates the geological theory and exploration practice, and makes use of the drilling and logging data, cores, thin sections, as well as the analysis of physical properties, gas test and other data in the research area to carry out an in-depth study on the characteristics of Ordovician Ma5 section in Area X of Jingbian gas field in Ordos Basin, respectively. Through the stratigraphic division and comparison of the Ordovician Ma5 section, reservoir pore characteristics and spatial characteristics in the study area, we analyse the favourable development intervals of the reservoir and predict the favourable zones to be as follows: rolling favourable exploration zone of the Jingbian karst terrace; favourable exploration zone of the Jila-Zhaohuangmiao-Angsumiao karst saddle-valley belt; favourable exploration zone of the eastern part of the X zone’s solifluction ping; favourable exploration zone of the southern part of the Yulin-Yanchuan karst plain.