... velocity are examined for liquid-sand and gas-liquid-sand flows. reservoir surveillance particle sand particle viscosity multiphase flow particle concentration bhr group 2018 pipeline production monitoring superficial liquid velocity threshold concentration low concentration critical...

... Abstract Heavy oil production and transport remains a challenge due to the lack of understanding of the flow behavior of gas and high viscosity oil two-phase flow in pipes. For example, existing two-phase flow in pipes mechanistic models shows significant discrepancy in predicting high-liquid...

.... In this paper, a model is presented that aims to give a more detailed description of the effect of foamers on the flow. bhr group 2016 flow rate prediction gas flow rate foam flow bulk viscosity artificial lift system production logging foam upstream oil & gas reservoir surveillance...

... orifice orifice liquid viscosity transition production control equation viscosity froude number Is it possible to reduce the cost (and increase the accuracy) of multiphase flow meters? P Andreussi University of Pisa, Italy M Bonizzi, P Ciandri TEA Sistemi, Italy ABSTRACT In the present paper...

... Abstract A comprehensive investigation of emulsion viscosity in oil-water mixtures is presented in this work. A novel rheometer design was used to measure the viscosity of various crude oils with differing compositions (1 < μ < 2400 cP, 0.7 < rSG < 0.9) and water chemistries...

... is redirected to the sea floor using a down comer. Thus, the understanding of the viscosity effect in downward vertical flow becomes critical for the system design. An experimental study on the viscosity effect has been carried out using a 2-in. ID multiphase flow facility. The viscosity of the oil ranged from...

... Perspex venturi tube. The results show that the mixing capacity of the blind-t is dependent on the inlet flow pattern and oil viscosity which consequently influences the phase dispersion and slip characteristics through the venturi section. Introduction The oil and gas industry is becoming increasingly...

.... calculation mixture permittivity viscosity high salinity permittivity model brine saudi arabia government enhanced recovery bhr group 2014 salinity hanai equation conductivity frequency hanai equation conformance improvement multiphase mixture low frequency hanai equation frequency equation...

... viscosities, ranging from 0.069 Pa·s to 0.153 Pa·s. A fast response X-ray computer tomography (CT) system was utilised to measure holdups and phase distributions. The measurements from the X-ray CT system have been systematically analysed to illustrate how the oil viscosity impacts the flow characteristics...

... regime behaviour, emulsion viscosity, wall and interfacial shear stress for a stratified flow, etc. An assessment of the performance of the classical models of oil-water flow is conducted. reynolds number oil-water flow reservoir surveillance equation upstream oil & gas production...

... production chemistry production monitoring phase inversion pipe production control mixture velocity enhanced recovery inversion process chemical treatment fraction viscosity reservoir surveillance multiple emulsion emulsion fluid compatibility water-in-oil emulsion droplet size flow pattern...

.... A change in flow regime is observed both in terms of the bubble shape and the gas drift velocity. Correlations are derived from the CFD results that describe the time dependent drift velocity as a function of the liquid viscosity. bhr group 2014 pipe inviscid flow flow simulation boundary...

... superficial velocity sii 0 experimental result production control viscosity reservoir surveillance s-shaped riser bhr group 2014 simulator modeling & simulation bara sii 1 pressure time series Severe slugging with viscous liquids: experiments and simulations M J C Diaz, M Khatibi, O J Nydal...

... Introduction Gas-liquid two-phase flow in pipes is a common occurrence in the petroleum industry production and transportation of oil and gas. Brito et al. (2013) experimentally observed that slug flow is the most frequent flow pattern observed for medium oil viscosities. This study...

... ABSTRACT: The pressure drop in slug flow of heavy oil and gas in a pipe in the laminar regime is studied. A simple mechanistic model with closure laws from the literature is compared against experimental data for two-phase flow of high viscosity refined oil and atmospheric air. It is shown...

.... Irregular and breaking waves have been observed for high gas flow rates. Comparisons with wave formation criterion (Jeffrey, 1925) suggest that the sheltering coefficient is a function of the liquid viscosity. Finally, none of the criteria for stratified to non-stratified flow presents a fair agreement...

... Velocimeter (PIV) for direct measurement of turbulence. production logging multiphase 7 bhr group 2010 viscosity deposition mechanism waxy crude concentration thickness turbulent flow shear rate pipe drilling fluids and materials upstream oil & gas flow characteristic assessment...

... ABSTRACT Within the oil refinery industry, there are several flow processes which involve settling suspensions. Velocity profile models for multiphase flow with partially settling particles require correlations relating viscosity as a function of particle concentration. The parameters...

... ABSTRACT In a recent paper, Gokcal et al. (2008) investigated the effects of viscosity on drift velocity in a horizontal pipe experimentally and theoretically. Experiments were conducted in a 50.8-mm (2-in.) ID horizontal pipe. A mechanistic model was developed. The results revealed...

... coalescence viscosity reservoir surveillance The effect of fluid dynamic shear and gravity on the stability of W/O surfactant stabilised emulsions J Rane, D Harbottle, S Banerjee The Energy Institute, Grove School of Engineering, City College of New York, City University of New York, USA 1. ABSTRACT...