Wettability; Fundamentals and surface forces
- Shell Development Co. (US)
The wetting of mineral surfaces by water and oil is described by models of surface forces that become important when two surfaces approach each other. Force components are electrostatic, van der Waals, and structural. The electrostatic forces depends on brine pH and salinity, crude oil composition, and the mineral. The surface forces are expressed as a disjoining pressure isotherm, and its integral is the specific interaction potential isotherm. The specific interaction potential isotherm can be used to determine the stable and metastable film-thickness profiles at the three-phase contact region for a given capillary pressure and/or curvature of the substrate. This paper gives the contact angle.
- OSTI ID:
- 5741220
- Journal Information:
- SPE Formation Evaluation (Society of Petroleum Engineers); (United States), Journal Name: SPE Formation Evaluation (Society of Petroleum Engineers); (United States) Vol. 6:2; ISSN 0885-923X; ISSN SFEVE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
020200* -- Petroleum-- Reserves
Geology
& Exploration
023000 -- Petroleum-- Properties & Composition
BRINES
CAPILLARY FLOW
CHEMICAL COMPOSITION
ENERGY SOURCES
FLUID FLOW
FLUIDS
FOSSIL FUELS
FUELS
ISOTHERMAL PROCESSES
OIL SATURATION
PETROLEUM
PH VALUE
RESERVOIR FLUIDS
RESERVOIR PRESSURE
RESERVOIR ROCK
ROCK-FLUID INTERACTIONS
SALINITY
SATURATION
VAN DER WAALS FORCES
VISCOSITY
WATER SATURATION
WETTABILITY