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Keywords: diameter
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Proceedings Papers
Research in multiphase flow developed into new global discipline of flow assurance - an oil industry perspective
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-007
..., and in subsequent operations, to instrument and monitor flow and fluid behaviour both for the benefit of the operation and for validation and improvement of models used in design. diameter pipe production logging instrumentation multiphase 11 flow metering bhr group 2018 upstream oil & gas...
Proceedings Papers
Existence of slug flow in vertical co-current two-phase flow
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-203
... ABSTRACT This study investigates experimentally and theoretically the existence slugs for vertical co-current two-phase flow in large diameter vertical tubing and risers. The slug flow pattern implies the presence of Taylor bubbles separated by hydraulically sealed liquid slugs. Previous...
Proceedings Papers
A new method of predicting wellbore load up
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-245
... was found for angles from near-horizontal to vertical. The model was compared with published wellbore load-up data and was found to give as good or better predictions than the Turner model. The new model also properly accounts for pipe inclination, diameter, and surface tension effects. pressure drop...
Proceedings Papers
Multiphase optimization of gas kick transient characteristics in drilling applications
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-323
... along the annulus. The study is limited to drilling with water-based muds. diameter well control mud circulation rate annular pressure drilling society of petroleum engineers bhr group 2018 fluctuation weight method psia bottomhole pressure upstream oil & gas circulation rate...
Proceedings Papers
Measurements and modelling of spatial particle size distribution in a horizontal slurry pipeline
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-405
.... solid concentration upstream oil & gas karabela model slurry particle size distribution bhr group 2018 flow loop spatial particle size distribution deposition velocity prediction concentration concentration profile pipe invert application sample concentration particle size diameter...
Proceedings Papers
Frictional forces during pigging of multiphase pipelines
Available to PurchasePublisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-103
... 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...
Proceedings Papers
Uncertainty analysis of multiphase flow - Case studies from erosion, sand transport, liquid entrainment models
Available to PurchasePublisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-473
... to these models include fluid properties such as density, viscosity and surface tension, flow geometry such as diameter and inclination of the pipeline, and operating conditions such as superficial gas and liquid velocities. The outputs may be flow patterns, pressure gradients, liquid hold-up, etc...
Proceedings Papers
A New Model for Solids Transport in 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-D3
... to multiphase flows with direct substitution of pipe diameter with different length scales and conclude that best predictions are when the choice of length scale is film height. This result provides useful information and insight into the problem and urges for a thorough analytical development of the model from...
Proceedings Papers
The Use of Single Continuous-Phase Solids Transport Models for Near-Horizontal Stratified Liquid/Gas 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-D4
... with experimental observations. The models' predictions are most accurate when the liquid film height is used as input. upstream oil & gas particle single-phase model characteristic length scale production control stratified flow prediction input characteristic length scale diameter production...
Proceedings Papers
Modeling Slug Flow in Looped Pipelines
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-G3
... of the equilibrium liquid film (m 2 ) d pipeline internal diameter (m) d 1 pipe inner diameter of a single pipeline system (m) d 2 pipe inner diameter of dual pipeline system (m) E mean of outlet liquid flowrate (m3/s) FI liquid flowrate fluctuation index FI1 liquid flowrate fluctuation index of a single pipeline...
Proceedings Papers
Terrain Slugging in a High-Pressure Pipeline-Riser System - Large Scale Experiments and Predictions With LedaFlow
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-G5
... with diameter 189 mm of seven main sections: A 30 m long downward inclined (-5º) section A 110 m long horizontal line (diameter 189 mm) A 25 m long upward inclined (+5º) section A 25 m long downward inclined (-5º) section A 144 m long horizontal line A 65 m long downward inclined (-2º) section...
Proceedings Papers
An Experimental Study On Polymeric Type DRA Used In Single- And Multiphase Flow With Emphasis On Degradation, Diameter Scaling And the Effects In Three-phase Oil-water-gas Flow
Available to PurchasePublisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A005
...An experimental study on polymeric type DRA used in single- and multiphase flow with emphasis on degradation, diameter scaling and the effects in three-phase oil-water-gas flow M Langsholt Institute for Energy Technology (IFE), Norway ABSTRACT In experimental studies using polymeric type drag...
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
... superficial velocity. The experiments will include three main measurements: visual observation of the phenomenon, isokinetic sampling of the droplet stream along the vertical diameter and pressure gradient. 2. EXPERIMENTAL SETUP The experiments were performed in the medium-scale flow loop located at SINTEF...
Proceedings Papers
CFD Modeling of the Flow Around a By-pass Pig
Available to PurchasePublisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A016
... diameter liquid velocity bhr group 2012 correlation CFD modeling of the flow around a by-pass pig A Singh Shell Projects & Technology, The Netherlands R A W M Henkes Shell Projects & Technology, The Netherlands Delft University of Technology, The Netherlands By-pass pigging, as compared to normal...
Proceedings Papers
A Method for Reducing the Negative Effects of Long Slugs
Available to PurchasePublisher: BHR Group
Paper presented at the 7th North American Conference on Multiphase Technology, June 2–4, 2010
Paper Number: BHR-2010-B1
... slug frequency slug flow flow rate production monitoring hanratty liquid flow rate phase separator plate inlet section upstream oil & gas production control bhr group 2010 pipeline transient behavior horizontal pipe slug catcher long slug diameter negative effect slug slug...