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Keywords: superficial velocity
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Proceedings Papers

Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-105
... evolution multiphase flow production control superficial velocity upstream oil & gas spinodal decomposition equation bhr group mpt2019 Novel coupled Cahn-Hilliard Navier-Stokes solver for the evaluation of oil and gas multiphase flow S Gómez-Álvarez1, A Rivero-Jiménez1, G Rubio2, J Manzanero2...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-087
..., the uncertainty has been reduced to ±0.03 degrees. The gas volumetric flow rate is measured by a turbine meter with uncertainty ±1%. Due to the uncertainties in gas density and pipe diameter, we estimate the total uncertainty in the gas superficial velocity to ±5%. For oil flow rates we use a Coriolis meter...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-471
... velocity of the gas and is the superficial velocity of the liquid droplets in the gas core. The mean gas density in the gas core is then = 1 + (3) where and are the phase densities of the gas and liquid. We assume that flow of the gas and liquid droplet mixture may be represented...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-F3
... oil superficial velocity production logging nominal oil viscosity mean liquid holdup production control artificial intelligence upstream oil & gas slug frequency reservoir surveillance prediction multiphase flow simulator viscosity gas superficial velocity flow pattern slug...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-B2
... horizontal to vertical 90 bends of 34mm diameter was studied for 5 curvature ratios [14]. The void fraction data at six positions downstream the bend was measured using conductance probe. They reported that the structure frequency is persistent to the presence of the bend at high liquid superficial velocity...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-C2
... gokcal prediction production logging liquid viscosity artificial intelligence horizontal pipe high viscosity liquid production monitoring viscosity liquid schulke gas flow superficial velocity bhr group 2013 production control pipe reservoir surveillance correlation Slug frequency...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-E1
..., with periodic boundary conditions under imposed pressure gradient and fixed overall liquid hold-up. Starting from smooth stratified flow, the slug flow pattern is simulated and validated in terms of gas and liquid superficial velocities, Taylor bubble length and velocity, Taylor bubble fraction in a unit cell...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-E5
... inclined pipes (2). In Figure 1 (top left), a sharp transition from low to high holdup occurs as the gas superficial velocity is gradually reduced, for any small, positive angle to the horizontal. The critical gas superficial velocity, at which an abrupt transition from low to high holdup (or holdup...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 15th International Conference on Multiphase Production Technology, June 15–17, 2011
Paper Number: BHR-2011-G2
...-stratified flow patterns at different pipe inclinations were observed and characterized by an objective technique (time-frequency pressure signature analysis); objective transition criteria are suggested and based on it, flow pattern maps of the superficial velocities for several inclinations are generated...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 14th International Conference on Multiphase Production Technology, June 17–19, 2009
Paper Number: BHR-2009-B1
... (a sum of superficial velocity of liquid and superficial velocity of gas). The other relates slug frequency with the mixture velocity and superficial velocity of liquid. The models are discussed in more detail in [1] and [2]. The relation for slug velocity has a form: ( )( )ln ,slug m mu a b cU U= + (1...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 13th International Conference on Multiphase Production Technology, June 13–15, 2007
Paper Number: BHR-2007-A1
... transitions. upstream horizontal pipeline horizontal pipeline riser gas superficial velocity production monitoring experiment slug flow multiphase production technology 13 upstream oil & gas production control transition configuration 1 configuration artificial intelligence liquid...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 13th International Conference on Multiphase Production Technology, June 13–15, 2007
Paper Number: BHR-2007-C1
.... slug equation production logging production control production monitoring entrainment multiphase flow issa superficial velocity slug frequency bhr group 2007 slug flow fraction multiphase production technology 13 water cut upstream oil & gas experiment bonizzi fluid dynamics...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 13th International Conference on Multiphase Production Technology, June 13–15, 2007
Paper Number: BHR-2007-D2
... gas injection superficial velocity upstream oil & gas differential pressure liquid fraction multiphase production technology 13 local liquid fraction test 68 fraction flow assurance restart hydrate zone bhr group 2007 liquid residue corresponding simulation Oil line restart by gas...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 13th International Conference on Multiphase Production Technology, June 13–15, 2007
Paper Number: BHR-2007-E1
... and liquid phase volumetric flow rates. Air and water slug flow data were gathered and processed for a range of superficial velocities: V SL =0.3 to 1.03 ms- 1 and V SG =0.6 to 3.01 ms- 1 . The target metering relative error of 5% for both phases was not achieved for the conditions examined. The liquid...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 12th International Conference on Multiphase Production Technology, May 25–27, 2005
Paper Number: BHR-2005-A4
... to the regime transition line. NEW REGIME MAPS Although parameters including the physical properties of phases could give the best possibility for working out universal flow regime maps, superficial velocities and void fraction are undoubtedly the most convenient when used. Theoretical and experimental data...

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