Logging evaluation of glutenite reservoir in north region of Lijin, Dongying Sag
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TE122.1

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    Abstract:

    Glutenite reservoirs in the north region of Lijin,Dongying Sag have complex mineral components,resulting in the low accuracy of the interpretation of physical parameters and the difficulty of defining the boundary of oil and dry layers. Based on the data of logging,mud logging,production test,and analysis testing,this paper combined crossplot chart identification with radar pattern recognition mode to effectively distinguish glutenite lithology in the area. Based on the lithology identification, oil-bearing occurrence analysis, and testing data analysis, this paper established the lower limits of physical and electrical properties of effective conglomerate and carbonate reservoirs. Combining with the production test data,this paper constructed the interpretation chart of classification and evaluation standard of the effective reservoir of glutenite in the north region of Lijin,Dongying Sag,and built the porosity and permeability parameter models of conglomerate and carbonate reservoirs,respectively,which provided a quantitative evaluation method for complex glutenite reservoirs in the north region of Lijin,Dongying Sag. The application has verified the research in the production wells of glutenite reservoirs in the north region of Lijin,Dongying Sag,and the results are promising.

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HE Dongxu, CHEN Zhixiang, ZHANG Chenghao, ZHU Menggao. Logging evaluation of glutenite reservoir in north region of Lijin, Dongying Sag[J]. Petroleum Geology and Recovery Efficiency,2024,31(2):48~57

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History
  • Received:September 17,2022
  • Revised:December 17,2023
  • Adopted:
  • Online: April 23,2024
  • Published: