Comparison Analysis of Water Resistivity Measurements for a Giant Carbonate Reservoir in Middle East

H. Al-Ibadi*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We aim to investigate various calculation methods for water resistivity to figure out to what degree these calculations are consistent. Such analysis helps us to understand how much we can rely on the calculated water resistivity particularly for carbonate reservoirs which are usually very complex in terms of the geological structure. To approach this scope, we calculated Rw using SP-method and Archie equation. The results were then compared against Rw measured from water samples where the latter was utilized as a reference. We found that the calculated water resistivity using Archie Equation resulted in notable fluctuation in Rw value between the wells understudy. The SP-method gave more stable results, however. Apart from one well, each calculation method gave Rw value that did not match the Rw obtained by the other method. Further, none of these was consistent with Rw obtained from the water samples. Such notable variation in Rw indicated that the need to more detailed analysis of Rw is highly recommended to accurately one can estimate water saturation.

Original languageEnglish
Title of host publication83rd EAGE Conference and Exhibition 2022
PublisherEAGE Publishing BV
Pages3074-3078
Number of pages5
ISBN (Electronic)9781713859314
DOIs
Publication statusPublished - 6 Jun 2022
Event83rd EAGE Conference and Exhibition 2022 - Madrid, Virtual, Spain
Duration: 6 Jun 20229 Jun 2022

Conference

Conference83rd EAGE Conference and Exhibition 2022
Country/TerritorySpain
CityMadrid, Virtual
Period6/06/229/06/22

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

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