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Keywords: pressure gradient
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Proceedings Papers

Publisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-023
... ABSTRACT This study presents experimental data for pressure gradient, liquid holdup, and flow regimes. To the knowledge of the authors, there are no studies in the literature on vertical downward two-phase flow in annulus. The experimental results for downward two-phase flow in the annulus...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-085
... production control pressure gradient effective concentration concentration upstream oil & gas reservoir surveillance superficial liquid velocity effective surfactant concentration surfactant riser base surfactant concentration slug flowline superficial gas velocity bhr group 2018...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-219
... and pressure gradients. The results show that an increase in the eccentricity is triggering liquid loading already at larger gas flow rates. Pressure gradients seem to be affected most when gap bridging by waves is occurring. 2 INTRODUCTION Liquid loading is a well-known problem that occurs when wet gas...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-087
... production control pressure gradient production monitoring viscosity concentration film quality experiment gas well deliquification surfactant liquid loading film thickness closure relation Churn-annular foam flow experiments and modelling J M C van t Westende, P Shoeibi-Omrani, F...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-149
...]. 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...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-191
... to that in the annular flow regime. This model is validated with field and laboratory experimental data from several different studies from the literature, in terms of pressure-gradient and liquid holdup results, for pipe diameters ranging from 0.0254 to 0.279 m (1 to 11 in). Other widely accepted models and commercial...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-207
... Abstract Pressure gradients of concurrent upward air-water flow have been measured in a 25.4mm internal diameter vertical test section over a range of superficial air and liquid velocities. Several sub-regimes of annular flow (pulse/disturbance wave, ripple wave, partial wetting, and rivulet...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-259
... 122 to 560 mPa s. The superficial gas and liquid velocities varied from 0.3 to 7 m/s and 0.05 to 0.7 m/s, respectively. Flow pattern, pressure gradient and liquid holdup data were acquired and compared with previous air-water experiments. Three different flow patterns have been identified based...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-447
... upstream oil & gas film distribution equation liquid film distribution simulator production control pressure gradient droplet pipe bottom production monitoring reservoir surveillance One-dimensional model of wet gas flow in near-horizontal pipes M Bonizzi TEA Sistemi, Italy P Andreussi...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-A3
... flow. Quick closing valves were used to measure the liquid holdup in the vertical section. Two data sets using Air-Water and Air-Mineral oil were obtained. A significant increase on pressure drop with small amounts of the liquid holdup was observed. Pressure gradient and holdup behavior were reproduced...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-A4
... of liquid. The maximum gas velocity at which liquid still remains in the V-section, as well as the liquid holdup and pressure gradient at these (critical) conditions were measured for several combinations of fluids and pipe inclination angles. The results were compared with the predictions of a mechanistic...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-E1
... monitoring flow regime pipe flow pressure gradient experiment stratified flow production control dispersion water-in-oil emulsion water cut production logging concentration viscosity crude oil viscous oil bhr group 2014 emulsion viscosity shear stress A study of viscous oil and water pipe...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A013
... reservoir surveillance liquid entrainment pipe droplet fraction pressure gradient Oil and water droplet entrainment in horizontal gas liquid flows A Shmueli, O J Nydal Norwegian University of Science and Technology, Norway B Djoric Stavanger Research Centre, Total EP, Norway T E Unander SINTEF...

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