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Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A001
... effective Pump effectiveness = Ppump/Phydraulic mechanical Pump mechanical efficiency = Ppump/Pdrive process Pump process efficiency = Ppump/Pisentropic volumetric Volumetric efficiency, actual volumetric flow rate/design flow rate © BHR Group 2012 Multiphase 8 17 1 INTRODUCTION Multiphase pumps are used...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A002
... the client was to create a full network simulation model that can run at a speed 10-30 times real-time so operational studies can be performed in a reasonable timeframe. In order to increase the simulation speed, the full composition © BHR Group 2012 Multiphase 8 33 model had to be simplified in order...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A003
... results compared with standard OLGA. NOMENCLATURE Symbols Description BBL Barrel DOC Dead oil circulation GOR Gas oil ratio ID Internal diameter K Thousand MMSCFD Million standard cubic feet per day SCF Standard cubic feet per day SS Sub Sea/ Manifold STBD Standard barrel per day © BHR Group 2012...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A004
... Production chemicals for the oil and gas industry is actually dedicated to them, [2]. This paper focuses on the use of polymeric drag reducing agents (DRAs) in crude oil transport. The first © BHR Group 2012 Multiphase 8 59 commercial application was performed for Trans-Alaskan Pipeline in 1979 and allowed...
Proceedings Papers

Publisher: 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

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A006
... and flow regimes in heavy oil wells and pipelines. © BHR Group 2012 Multiphase 8 91 2 SLUG FLOW MODELLING Theoretical modelling of slug flow and transition to slug flow was pioneered in the 1970s in works by Dukler and Hubbard (8), Taitel and Dukler (9), Wallis and Dobson (10) and others. They established...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A007
... to gravity forces. As a result, higher liquid velocities are required to have a transition from stratified to non-stratified. test section stratified flow downward flow bhr group 2012 liquid viscosity production logging inclination angle gas velocity criterion university of tulsa reservoir...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A008
... oilfield chemistry bhr group 2012 laminar Pipe flow of water in oil emulsions in different pipe diameters J Plasencia, E Schaefer, O J Nydal Department of Energy and Process Engineering, Norwegian University of Science and Technology, Norway and Multiphase Flow Assurance Innovation Centre, Norway...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A009
... equation transformation boundary condition heat transfer coefficient biot number reservoir surveillance upstream oil & gas series solution contact point bhr group 2012 coordinate system multiphase 8 approximation pipe production control production monitoring dirichlet...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A010
... into consideration. 3 INTRODUCTION During oil transportation, when oil temperature falls below the wax appearance temperature, higher molecular weight aliphatic components (n-paraffins) will solidify and precipitate out of solution. deposit thickness test section crude oil bhr group 2012 upstream oil...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A011
... Subcooling (K) Pipe roughness (m) L Friedel s correlation two-phase multiplier L Dynamic viscosity (Pa.s) Density (kg/m3) Angle of inclination with respect to horizontal (degrees) © BHR Group 2012 Multiphase 8 167 Subscripts G Gas hyd Hydrate hyd_eq Hydrate equilibrium L Liquid m Mixture p...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A012
... energy production control transducer void fraction solid concentration flow rate upstream oil & gas bhr group 2012 production monitoring droplet paraffin deposit sensor Application of the ultrasonic technique for the measurement of the dispersed phases concentrations in three-phase oil...
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
... and experimental values (Paras et al (1994), Vlachos et al (1997)) shows a good agreement (max error 20 © BHR Group 2012 Multiphase 8 199 Table 1. Previous experimental published works Author Year Fluids D [cm] Usg [m/s] WL [kg/s] WC g [Kg/m3] Dallman 1978 Air-Water 2,31 15,0-88,0 0,003 0,250 100 1,26 2,75...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A014
... separation equipment, in the distribution of corrosion inhibitor and top-of-the line corrosion, erosion and sand transport and in the understanding of mass and heat transfer processes that can occur is gas/liquid two-phase flows. © BHR Group 2012 Multiphase 8 211 The current knowledge on liquid entrainment...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A015
... multiphase production technology conference engineering multiphase flow bhr group find paper hydrate conference organizer knowledge advancement banff measurement and control evolution flow assurance bhr group 2012 upstream oil & gas sloan delegation multiphase technology...
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
... diameter liquid velocity bhr group 2012 correlation By-pass pigging, as compared to normal pigging, reduces the pig-generated liquid slug. CFD (Computational Fluid Dynamics) was applied to understand the flow in and around the by-pass pig under both single phase and multiphase flow conditions...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 8th North American Conference on Multiphase Technology, June 20–22, 2012
Paper Number: BHR-2012-A017
... monitoring mixture model reservoir simulation multiphase flow frequency multiphase 8 fraction bhr group 2012 pipe reservoir surveillance upstream oil & gas vertical pipe turbulence Advanced two- and three-dimensional simulation of multiphase flow in horizontal and vertical pipes 1,2D...
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-A019
..., and compressors. upstream oil & gas pipeline pipeline upstream flow rate pipeline-riser system flow regime buffer vessel liquid production downward pipeline-riser configuration test loop oscillation experiment configuration bhr group 2012 hydrodynamic slug flow riser base hilly...
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...

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