Effect of salinity and temperature on water cut determination in oil reservoirs

Abdel Mohsen O. Mohamed, Maisa El Gamal, Abdulrazag Y. Zekri

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)

Abstract

In this study, system stability and water cut were evaluated via IR analysis and physicochemical properties of the tested mixture. Samples were prepared with different water cuts at a specified salinity and tested by IR. Different cations were also used in the water portion of the mixture to evaluate its effect of interaction and stability. In addition, the effect of water cut, temperature, salinity and cation type, and composition on specific gravity, API gravity, kinematic and dynamic viscosities and surface tension were investigated. The studied water content range was from 0 to 0.8 while temperature from 20 to 100 °C. Salinity effect up to 40,000 ppm was also evaluated. For each mixed ion solution, equivalent sodium concentrations and mixture resistivity were calculated. Relationships between water cut, major functional groups and mixture physicochemical properties were developed. Therefore, for a known property, water cut could be predicted.

Original languageEnglish
Pages (from-to)177-188
Number of pages12
JournalJournal of Petroleum Science and Engineering
Volume40
Issue number3-4
DOIs
Publication statusPublished - Dec 2003

Keywords

  • Functional groups
  • Gravity
  • Interfacial tension
  • Resistivity
  • System stability
  • Viscosity
  • Water cut

ASJC Scopus subject areas

  • Fuel Technology
  • Geotechnical Engineering and Engineering Geology

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