... Greek Letters = Water surface elevation Viscosity Inclination angle Density = Surface tension Subscripts a = Air Fr = Froude number g = Gas L = Liquid Re = Reynolds Sg = Superficial gas SL = Superficial liquid TD = Taitel and Dukler V = Viscous © BHR Group 2016 Multiphase 10 3 1. INTRODUCTION Two...

... the model may be completely wrong if the flow pattern is not correct. equation fluid flow two-phase flow application bhr group 2016 solid bed transient solid-liquid two-phase flow mixture layer drilling operation conservation equation directional drilling simulation solid concentration...

... correspond gas rate fraction prediction accumulation point liquid holdup upstream oil & gas bhr group 2016 experiment simulation holdup solution region holdup solution superficial liquid velocity liquid reservoir surveillance superficial gas velocity production logging Liquid...

... the well. production control frequency slug length well trajectory effect slug frequency multiphase 10 fall back directional drilling configuration production monitoring test section superficial gas velocity bhr group 2016 slug upstream oil & gas drilling operation dimensionless...

... of the cross sectional area or by hydrate particles' agglomeration and plug formation (2). flow assurance node unit cell geometry superficial velocity volumetric fraction pipe hydrate formation bhr group 2016 dispersion particle formation rate heat transfer slug flow hydrodynamic 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...

... equilibrium finite element model friction force diameter oversize experimental result bhr group 2016 bypass pig pipeline pigging normal force upstream oil & gas geometry frictional force analytical model coefficient experiment Frictional forces during pigging of multiphase pipelines M H...

... upstream oil & gas reservoir surveillance pipe wall pipeline heating power installation sensor temperature differential production monitoring stationary bed production control hot spot production logging delta temperature artificial intelligence bhr group 2016 spool piece machine...

... multiphase mixture bhr group 2016 upstream oil & gas displacement signal production control measurement and control equation vdm Design and development of a novel, non-invasive instrument for measuring the density of multiphase mixtures O Obie, G P Lucas University of Huddersfield, School...

...]. application pipe flow rate flow parameter reservoir surveillance multiphase 10 flow metering production monitoring multiphase mixture upstream oil & gas superficial velocity gas superficial velocity pressure gradient production logging bhr group 2016 liquid superficial velocity multiphase...

... emulsion viscosity drilling fluid chemistry water chemistry oilfield chemistry geometry upstream oil & gas shear rate viscosity literature drilling fluid selection and formulation bhr group 2016 investigation tendency chemical treatment production chemistry ronningsen drilling fluids...

... and wide use in commercial simulators. zakarian production control conductivity production logging bhr group 2016 equation film coefficient resistance ground biot number upstream oil & gas production monitoring burial depth pipeline liquid holdup holdup correlation biot number...

... production and transportation of hydrocarbons. bhr group 2016 liquid film reservoir surveillance pressure gradient upstream oil & gas superficial gas velocity vertical pipe pipe diameter annular flow regime production logging gas core production monitoring transition flow regime...

... a sufficient understanding to produce new models of this regime. © BHR Group 2016 Multiphase 10 207 2 THE EXPERIMENTAL APPARATUS 2.1 Construction The flow loop has been modified after being used for studies with small tubes (3, 4.) It now consists of a 3.7m long, nominal 25.4mm i.d. acrylic vertical test...

... (Maintenance): "The operator shall ensure that a pipeline is maintained in an efficient state, in efficient working order and in good repair." riser corrosion bhr group 2016 sensitivity study corrosion shear stress water holdup assessment wall shear stress inspection corrosion rate flowline...

... and the pressure management under these conditions was tested. differential pressure dissociation depressurization plug flow assurance prototype multiphase 10 characterization bhr group 2016 heating injection pressure communication hydrate stability curve electrically trace heating pipe...

... vibration multiphase 10 reservoir surveillance m-shaped jumper bhr group 2016 experimental data sensor fluctuation slug flow response frequency simulation production control production logging natural frequency jumper system mode shape frequency Condition based assessment of subsea rigid...

... holdup over these lengths becomes significantly important. production monitoring bhr group 2016 liquid holdup production logging upstream oil & gas downward flow vertical downward flow liquid velocity pressure gradient production control annular flow oil 586 flow rate flow...

... upstream oil & gas holdup variation single bend holdup bhr group 2016 production control configuration setup measurement bend fluid force multiphase 10 spectrum production logging Multiphase forces on bend structures- influence of upstream disturbance S P C Belfroid, E Nennie TNO...

... production logging production monitoring reservoir surveillance formulation data correlation begg multiphase 10 implementation flow pattern production control holdup bhr group 2016 mathematical formulation point model calculation A comparison of 35 gas-liquid point models in a low-liquid...