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Keywords: pressure drop
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Proceedings Papers
Experimental investigation of two-phase flow regime in an inclined pipe
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-073
... ABSTRACT Experiments were performed with propose of mapping the flow patterns in two-phase flow in an upward inclinable 60 mm ID and 6 m long Plexiglas pipe. Air and viscous oil were used as working fluids and degree of inclination changed from 10 ? to 78 ?. Measurements includes pressure drop...
Proceedings Papers
Evaluation of Anti-Agglomerant hydrate inhibitors in gas-dominated system under different flow regimes
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-125
... at the top of line with and without LDHI. Two commercially available anti-agglomerant additives (AA-1 and AA-2) were tested in gas / condensate / water system at two water cuts under different multiphase flow regimes. The tests were analysed based on pressure, temperature and pressure drop measurements...
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
... & gas pipe diameter translational velocity pressure drop existence two-phase flow production control production logging flow pattern production monitoring slug flow bhr group 2018 energy density taylor bubble holdup university of tulsa mixture velocity transition probability density...
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
High CO 2 content effect on the flow of crude oils in production transient operations
Available to PurchaseM. J. Rempto, M. A. Pasqualette, E. M. G. Fontalvo, J. N. E. Carneiro, R. Fonseca, J. R. P. Ciambelli, S. T. Johansen, B. T. Løvfall
Publisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-297
... upstream oil & gas gor pressure drop equation of state bhr group 2018 numerical result fluid modeling production control production monitoring reservoir surveillance pasqualette operation production logging pressure upstream simulation molar fraction transient operation choke valve...
Proceedings Papers
Onshore gathering systems: multiphase flow modeling accuracy challenges
Available to PurchasePublisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-387
...) systems, which have been observed in modeling to under predict pipeline pressure drop. This is a significant issue because the pressure margins in onshore gathering systems are tight and, in some instances, a ±1 bar difference in expected pressures can dictate how the system is operated. The primary...
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
A comparison of 35 gas-liquid point models in a low-liquid loading subsea gas line: A technology classification effort
Available to PurchasePublisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-285
... clusters of common modelling technology. The experimental pressure drops and liquid holdup were published by Lagiere et al. in 1984 on a total of 19 runs on a 361-km long subsea pipeline joining the, now decommissioned, North Sea offshore production platform of Frigg to the terminal at St Fergus...
Proceedings Papers
Liquid loading and multiple solutions in vertical flows – experiments and modelling with LedaFlow
Available to PurchasePublisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-403
... reservoir surveillance bhr group 2016 upstream oil & gas production monitoring pressure drop liquid holdup pipe production control flow rate interfacial friction factor new model usl transition multiple solution liquid loading holdup multiphase flow prediction Liquid loading...
Proceedings Papers
Experiments on Gas Flow With Wet Pipe Walls
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-A3
...Experiments on gas flow with wet pipe walls A Shmueli 1, M Khatibi 1,T Arnulf 1, B Djoric 2, O J Nydal 1 1 Norwegian University of Science and Technology, Norway 2 Stavanger Research Centre, Total EP, Norway ABSTRACT Measurements of the pressure drop and liquid hold up in a gas flow with wet walls...
Proceedings Papers
Characteristics of Gas-Viscous Oil Flows in a 0.1 m Diameter Pipeline Measured by an X-Ray CT System
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-B3
... s). Although data are available for small pipes (diameter below 0.03 m), there are very little relevant data for viscous oil flows in large diameter pipes with viscosity above 0.05 Pa s. This means that there is a considerable uncertainty related to holdup and pressure drop predictions for heavy oil...
Proceedings Papers
Effect of Drag-Reducing Polymers on Tubing Performance Curve (TPC) in Vertical Gas-Liquid 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-C1
... reducing polymers on the Tubing Performance Curve (TPC) of vertical air-water flows at near atmospheric conditions. The effect of polymer concentration, liquid and gas flow rates on the pressure drop curve (Tubing Performance Curve) was investigated experimentally. The results showed that polymers tend...
Proceedings Papers
Drag Reduction in Stratified Oil-Water 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-C2
... production control flow pattern oil-water flow riser corrosion pressure drop bhr group 2014 production monitoring horizontal pipe velocity profile upstream oil & gas pipeline corrosion Drag reduction in stratified oil-water flows L C Edomwonyi-Otu, M Chinaud, P Angeli Department of Chemical...
Proceedings Papers
The Benefits of a Compositional Thermal Hydraulic Integrated Production Model When Investigating Subsea Processing
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-D1
... case studies based on real projects; a subsea separation and a subsea compression study. compression pressure drop upstream oil & gas compressor production model ipm tool flow rate reservoir surveillance composition wet gas pipeline production monitoring production control subsea...
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
... equipment can be saved. To model the superposition of slug flow from two pipelines, the current understanding of slug flow behavior is first examined. For comparison of the single and dual pipeline systems, this study will require that the pressure drop in the dual pipeline system is equal to the pressure...
Proceedings Papers
Two-Phase Flow in a Down-Hole Shut-In Valve
Available to PurchasePublisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-H1
... installed in a multiphase flow loop and the pressure drop over the valve has been investigated for single phase and two phase flows. The flow path through the valve is a 3 meter long narrow channel, partially annular and partially circular, with several minor losses. CFD simulations of single phase liquid...
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
... two-phase oil-water and three-phase water-oil-gas flow in a D=100 mm pipe; oil viscosity 2 cP and a dense gas © BHR Group 2012 Multiphase 8 73 3 DRAG REDUCERS A BRIEF LITERATURE OVERVIEW The reduction of drag (or pressure drop) in turbulent flows by adding long-chained, high molecular weight...
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
... Pressure drop in laminar slug flow with heavy oil J Nossen, C J Lawrence Institute for Energy Technology and FACE, Norway 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...
Proceedings Papers
Extension of a Simple Hydrodynamic Slug Flow Model For Transient Hydrate Kinetics
Available to PurchasePublisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A011
.../water systems suggested a relationship between hydrate volume and flow regime on pressure drop. In the current work, a simple hydrodynamic slug flow model, based on fundamental multiphase flow concepts, is coupled with a transient hydrate kinetics model and a pressure drop model to study the effect...
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
... carried out in a 68 mm ID pipe with a dense gas (simulating high pressure flows) and with oils of different viscosities (1.8-100 cP). Measurements include pressure drop and liquid entrainment using an isokinetic sampling probe. The flow is recorded with a high speed video camera. The tested gas velocities...
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