... monitoring flow regime pipe flow pressure gradient experiment stratified flow production control dispersion water-in-oil emulsion water cut production logging concentration viscosity crude oil viscous oil bhr group 2014 emulsion viscosity shear stress A study of viscous oil and water pipe...

... low water fractions up to the inversion point. After inversion, unstable water-in-oil in water multiple emulsions were observed under different flow regimes. The observed regimes are homogeneously dispersed water-in-oil droplets in water, water in-oil droplets in water and water, water-in-oil emulsion...

.... The objective of this work is to study the influence of the pipe diameter on the flow of water-in-oil emulsions. Pipe flow experiments were carried out with water-in-oil surfactant stabilized emulsions. 0.25% in volume of a lipophilic surfactant (Span 80) in oil Marcol 52 (μ=10 mPa.s) and salt water (3.5...