Optimization of contact angle and interfacial tension measurements for fluid/rock systems at ambient conditions

W. Alnoush, Amr Sayed, Nayef Al Yafei

Research output: Contribution to journalArticle

Abstract

Quantification of interfacial tension (IFT) and contact angles is essential to characterize reservoir fluid-fluid and rock-fluid interactions. However, these measurements are highly dependent on chemical structure, surface residues, system conditions, flow dynamics and interface interactions. Interfacial interactions are specifically important for secondary and tertiary oil recovery processes where water or brine is injected to recover residual oil through complex multi-phase - rock/brine/oil- interactions Due to the delicate interactions across the interfaces, these systems are subjected to variations and inconsistencies that might be difficult to eliminate, thus, affecting the reliability, reproducibility, and certainty of the data. Therefore, reliable measurements need to eliminate fundamental sources of error and remove surface contaminants. To optimize these measurements, the presented methods take a holistic approach to carefully and reliably optimize the procedure for interfacial tension and contact angle measurements for fluid-fluid and rock-fluid interaction studies at ambient conditions (22.0 ± 2 °C and atmospheric pressure). • The presented method ensures minimization of impurities that alter interfacial tension measurements; • Enhanced preparation for tested surfaces for contact angle measurements, and; • Optimization of procedure at ambient conditions

Original languageEnglish
Pages (from-to)1706-1715
Number of pages10
JournalMethodsX
Volume6
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

Surface Tension
Contact angle
Surface tension
Rocks
Oils
Fluids
Angle measurement
Atmospheric Pressure
Impurities
Research Design
Atmospheric pressure
Water
Recovery
brine

Keywords

  • Contact angle
  • Immiscible fluids
  • Interfacial tension
  • Interfacial tension (Pendant Drop Method), static contact angle (Sessile Drop Method) and advancing and receding contact angles (Changing Volume Method or Captive-Drop Method)
  • Multi-phase
  • Optimization
  • Reservoir
  • Wettability

ASJC Scopus subject areas

  • Clinical Biochemistry
  • Medical Laboratory Technology

Cite this

Optimization of contact angle and interfacial tension measurements for fluid/rock systems at ambient conditions. / Alnoush, W.; Sayed, Amr; Al Yafei, Nayef.

In: MethodsX, Vol. 6, 01.01.2019, p. 1706-1715.

Research output: Contribution to journalArticle

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