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According to the above formula, the reserve parameters are calculated, where A is the oil-bearing area, h is the average effective thickness, φ is the effective porosity, S_oi is the oil saturation, ρ_o is the average density, and B_oi is the average original crude oil volume coefficient. The oil and gas reserves in the study area are 1077.81 × 10⁴ t.

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• TITLE: Application of Secondary Logging Interpretation—Taking Yan 9 Reservoir in X Area as an Example

  AUTHORS: Jiayu Li

  KEYWORDS: Secondary Logging Interpretation, Reserve Recalculation, Yan 9 Reservoir

  JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.12 No.6, June 17, 2024

  ABSTRACT: Logging data and its interpretation results are one of the most important basic data for understanding reservoirs and oilfield development. Standardized and unified logging interpretation results play a decisive role in fine reservoir description and reservoir development. Aiming at the problem of the conflict between the development effect and the initial interpretation result of Yan 9 reservoir in Hujianshan area of Ordos Basin, by combining the current well production performance, logging, oil test, production test and other data, on the basis of making full use of core, coring, logging, thin section analysis and high pressure mercury injection data, the four characteristics of reservoir are analyzed, a more scientific and reasonable calculation model of reservoir logging parameters is established, and the reserves are recalculated after the second interpretation standard of logging is determined. The research improves the accuracy of logging interpretation and provides an effective basis for subsequent production development and potential horizons.