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Keywords: liquid holdup
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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
...Experimental investigation of vertical downward two-phase flow in annulus R P Coutinho, P J Waltrich Louisiana State University, USA ABSTRACT This study presents experimental data for pressure gradient, liquid holdup, and flow regimes. To the knowledge of the authors, there are no studies...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 11th North American Conference on Multiphase Production Technology, June 6–8, 2018
Paper Number: BHR-2018-185
... superficial liquid velocity fluid dynamics steady-state fully-developed model multiple solution region solution region gamma densitometer upstream oil & gas production control production monitoring accumulation gas rate bhr group 2018 simulation pipeline transient simulation liquid holdup...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-033
... is the steady-state fully-developed flow version of OLGA, it is always assumed that the lowest liquid holdup solution is the correct solution. In this paper, OLGA-S will not refer to the commercial product, but to the physical model inside it. In the following, USG, USL, USH, USW are the superficial gas, liquid...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 10th North American Conference on Multiphase Technology, June 8–10, 2016
Paper Number: BHR-2016-179
... 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 coefficient reservoir surveillance...
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-2016-259
... 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-2016-385
... Abstract In this paper we perform a comprehensive analysis of two- and three-phase large scale experimental data from the SINTEF Multiphase Laboratory on low liquid loading flows. The experimental work was financed by Statoil (" Experiments for low liquid loading with liquid holdup...
Proceedings Papers

Publisher: 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

Publisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-A3
... were carried out on a vertical pipe at NTNU Multiphase Flow Laboratory. The experiments were performed as a dry-up process, where an initial liquid film becomes thinner with time as it is removed by gas flow. Quick closing valves were used to measure the liquid holdup in the vertical section. Two data...
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
..., 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 model, which was modified to account for the recirculation in the stagnant liquid...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-A6
... such that the superficial gas and liquid velocities vary between 9.2 m/s VSG 15 m/s and 0.01 m/s VSL 0.02 m/s, respectively, in horizontal pipe configuration. The time-averaged values of the liquid holdup obtained with the wire-mesh sensor are, in overall, good agreement with the measurements via the quick closing...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 9th North American Conference on Multiphase Technology, June 11–13, 2014
Paper Number: BHR-2014-G4
... capacitance sensors are installed along the test section to measure liquid holdup. A high speed video camera system is used to investigate the effect of medium viscosity oil on the flow behavior. © BHR Group 2014 Multiphase 9 403 Figure 1. Facility Schematic 2.2 Experimental Range Superficial oil and gas...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A016
... reynolds number mixture velocity bypass pig pig velocity idelchik correlation bypass area holdup wall function liquid holdup production control pressure drop coefficient production monitoring simulation upstream oil & gas pipeline pigging bypass reservoir surveillance...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A018
... liquid holdup output uncertainty liquid entrainment pressure drop monte carlo simulation production control artificial intelligence reservoir surveillance reservoir simulation taylor series expansion bhr group 2012 production monitoring perturbation method slug length production...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A020
... simulations in order to see which of the solutions is likely to happen in reality. taitel bhr group 2012 production logging transient simulation water velocity reservoir surveillance closure experiment liquid velocity liquid holdup production monitoring holdup solution holdup transient...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 7th North American Conference on Multiphase Technology, June 2–4, 2010
Paper Number: BHR-2010-B2
... in a horizontal pipe: Determination of liquid hold-up by -ray absorption , Chem. Eng. Sci. 34, pp. 17 30. (10) Woods, B.D., Fan, Z., Hanratty, T.J., 2006, Frequency and development of slugs in a horizontal pipe at large liquid flows , IJMP, 32(8), pp. 902-925. © BHR Group 2010 Multiphase 7 81 liquid holdup...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 7th North American Conference on Multiphase Technology, June 2–4, 2010
Paper Number: BHR-2010-G3
... superficial gas velocity phase flow gamma densitometer flow regime bhr group 2010 production monitoring modeling & simulation point model pressure drop experimentally reservoir surveillance prediction olga water cut liquid holdup holdup experiment production logging production control...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 7th North American Conference on Multiphase Technology, June 2–4, 2010
Paper Number: BHR-2010-J1
... of closure relationship uncertainties on multiphase flow model predictions. As a case study, we examined the impact of slug length uncertainty on pressure drop and liquid holdup predictions of Tulsa University Fluid Flow Projects (TUFFP) Unified Model(1) for two-phase vertical flows. The results suggest...

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