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Keywords: fraction
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Proceedings Papers
Studies of parameters that influence hydrate plugging tendencies in a gas condensate subsea tieback
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-115
... insulation emulsion property flow assurance heat transfer coefficient fraction pipeline length bhr group 2018 simulation emulsion stability subsea tieback upstream oil & gas fluid distribution water cut Studies of parameters that influence hydrate plugging tendencies in a gas condensate...
Proceedings Papers
Pseudo slug flow in viscous oil systems - experiments and modelling with LedaFlow
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-461
... were DP-cells for pressure drop measurements, and narrow beam gamma densitometers to measure the liquid height. In addition, traversing gamma densitometers were mounted on each of the two near-horizontal sections to measure the time-averaged liquid distribution and volume fractions. In this campaign...
Proceedings Papers
Liquid accumulation and removal in transient three-phase flow with low liquid loading
Available to PurchasePublisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-033
.... Mass conservation is given by + = 0, i=g,h,w (1) where are the gas/oil/water densities, are the gas/oil/water bulk velocities and , are the gas/oil/water volume fractions. Momentum conservation is given by + = sin (2...
Proceedings Papers
An analysis of the coupled effects of mass transfer, slug flow hydrodynamics and heat transfer during hydrate formation using a quasi-stationary mechanistic model
Available to PurchasePublisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-071
.../(m2.K)] Hh Hydrate enthalpy of formation [J/kg] j Phase superficial velocity [m/s] J Mixture superficial velocity [m/s] k Thermal conductivity [W/(m.K)] L Length [m] m Mass flow rate [kg/s] M Molar mass [kg/kmol] P Pressure [Pa] R Phase volumetric fraction S Wetted perimeter [m] T Temperature [K] eq...
Proceedings Papers
Evaluation of blind-t mixing effectiveness within two-phase gas-viscous oil flow using electrical capacitance tomography
Available to PurchasePublisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-339
... flow rate fraction void fraction production control multiphase 10 viscosity test point effectiveness ect system phase slip multiphase flow loop oil flow bhr group 2016 flow metering flow pattern test point viscous oil electrical capacitance tomography production monitoring flow...
Proceedings Papers
Erosion in Under-Developed Multiphase Flows
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-D2
... flow loop. Erosion in the range of 0.04 to 0.14 mils/lb of sand was observed. upstream oil & gas entrainment bhr group 2014 reservoir surveillance orifice plate liquid fraction droplet production control fraction liquid film inlet circumferential angle inch upstream production...
Proceedings Papers
Gas-Liquid Pipe Flow Patterns as Directed Graphs: Their Creation and Applications
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-D5
.... intermittency force balance production monitoring slip node separated flow production logging upstream oil & gas representation bhr group 2014 mass balance flow pattern gas core pipe segment area fraction artificial intelligence node 2 equation slug flow fraction reservoir surveillance...
Proceedings Papers
Phase Inversion in Dispersed Two Phase Oil-Water Pipe Flow
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-E2
... pipe diameter drilling fluids and materials continuous phase pipe flow inversion water cut upstream oil & gas production chemistry production monitoring phase inversion pipe production control mixture velocity enhanced recovery inversion process chemical treatment fraction...
Proceedings Papers
Characterization and Analysis of Fluid Dynamic Instabilities on a Subsea Pumping Module
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-H2
... for instabilities such as severe slugs, but also to an excessive gas fraction at pump intake, causing the phenomenon known as gas-lock. This study intends to characterize the fluid-dynamic behavior of Pumping Modules through the use of a multiphase transient approach. This model has been developed using a 1-D...
Proceedings Papers
Pseudo Component Model to Calculate Retrograde Behaviour of Gas Mass Fraction
Available to PurchasePublisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A002
...Pseudo component model to calculate retrograde behaviour of gas mass fraction E Smith, E Dudley, D Erickson MSi Kenny, USA A fast pseudo-composition model is put forth to accurately predict the gas mass fraction (GMF) of production fluid. This model accurately predicts retrograde behaviour...
Proceedings Papers
Pressure Drop In Laminar Slug Flow With Heavy Oil
Available to PurchasePublisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A006
... drop is predicted with acceptable accuracy. The key closure relations for a unit cell slug flow model include: Gas volume fraction and velocity in slugs Taylor bubble front velocity (slug tail velocity) Extra wall friction behind the slug front Wall friction factor in the slug zone Wall...
Proceedings Papers
Oil And Water Droplet Entrainment In Horizontal Gas Liquid Flows
Available to PurchasePublisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A013
... (1-4 m/s) did not give large entrained droplet fractions. The effect of water is to reduce the entrainment and pressure drop. OLGA predicts the pressure drop quite well. 1. INTRODUCTION In order to design multiphase transport lines it is important to predict the transport of each phase...
Proceedings Papers
Advanced Two- And Three-dimensional Simulation of Multiphase Flow In Horizontal And Vertical Pipes
Available to PurchasePublisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A017
... (Hewitt, 2005). In both horizontal and vertical pipe flows, the phases can assume various geometric patterns or topologies (e.g. bubbly, slug, annular, mist) depending on the phasic volumetric flow rates, pipe diameter and inclination. In addition, the relative phasic volumetric fraction can change along...
Proceedings Papers
Investigation of Sorption Phenomena in Multiphase Conveying Processes
Available to PurchasePublisher: BHR Group
Paper presented at the 7th North American Conference on Multiphase Technology, June 2–4, 2010
Paper Number: BHR-2010-C1
... efficiency upstream oil & gas fraction sorption phenomenon loss flow solubility gas fraction mpp pressure difference multiphase 7 bhr group 2010 artificial lift system gap flow experiment hydraulic jet pump multiphase pump flow pattern carbon dioxide co 2 variation flow...
Proceedings Papers
Determining Rheology for Settling Suspensions
Available to PurchasePublisher: BHR Group
Paper presented at the 7th North American Conference on Multiphase Technology, June 2–4, 2010
Paper Number: BHR-2010-E3
... radius. Equation 1 is applicable to medium to high concentrated dispersions. This concentration range can be regarded to be from a concentration of about 0.5 x the maximum packing fraction to a concentration close to the maximum packing fraction. We assume that a certain average dispersion concentration...