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Keywords: correlation
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Proceedings Papers
Multiphase Flow Simulator for Production & Hydrate Management - Improvements and Benchmark Against Experimental Data With Real Fluids
Available to PurchasePublisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-247
... literature liquid holdup inclination multiphase flow simulator slug flow experimental data correlation Multiphase flow simulator for production & hydrate management Improvements and benchmark against experimental data with real fluids Christina Tzotzi, Elyas A. Abubeker and Angela De Leebeeck...
Proceedings Papers
Assessment of Entrainment Rate Correlations for Annular Flow Based on Disturbance Wave Crests
Available to PurchasePublisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-277
... of the present study is to assess the performance of droplet entrainment correlations in which droplets are created by shear at the disturbance waves' crests. A model framework based on the 1-D Two-Fluid model is employed with a high-resolution mesh. The model allows capturing the automatic evolution of the gas...
Proceedings Papers
Characterization of Pseudo-Slug Flow in a Slightly Upward Large Diameter Pipe Under Elevated Pressures
Available to PurchasePublisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-389
... pereyra multiphase flow revonepetro version 1 diameter pipe frequency university of tulsa pipeline transient behavior sarica soedarmo characterization correlation closure relationship reservoir surveillance upstream oil & gas elevated pressure slug catcher sl 0 holdup production...
Proceedings Papers
Rheology Study: Comparison of a Real Condensate-MEG System and a Model Fluid System
Available to PurchasePublisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-461
... flow situations, according to local phase fractions. For this reason, predictive multiphase flow models are dependent on either input data or reliable correlations for the dispersion viscosity. If an increased viscosity in oil-water dispersions is not considered, this will in many cases lead...
Proceedings Papers
Selection, Implementation and Validation of a Sand Transport Model Within a Commercial Multiphase Dynamic Simulator for Effective Sand Management
Available to PurchasePublisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-533
... ABSTRACT The present work shows the methodology followed in order to implement and validate a sand transport model within a commercial multiphase simulator. Several published correlations for critical velocity, i.e. the velocity required to maintain suspended the sand particles, were...
Proceedings Papers
Advances in modelling hydrodynamic slug flow in production systems
Available to PurchasePublisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-293
... liquid movement, may be accommodated using large vessels, mitigated through operating procedures which change the system in a more gradual manner, or managed using gas injection or other active or passive slug control systems [1]. upstream oil & gas bhr group 18 correlation pipeline...
Proceedings Papers
Minimum sand transportation conditions in multiphase pipelines: an assessment exercise
Available to PurchasePublisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-363
...) developed a MTC prediction correlation based on their tests on the critical velocity with the particle diameters ranging from 0.2 mm to 25 mm. Solid concentration ranged from 2% to 23% and the pipe diameter ranged from 37.5 mm to 700 mm. The proposed correlation to predict Vc was based on the Froude number...
Proceedings Papers
Uncertainty evaluation applied to a model-based Virtual Flow Metering system
Available to PurchasePublisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-485
... choice dependent on the type of field, accuracy requirements and the acceptable uncertainty for the operation. field life mpt 2017 pressure drop vfm temperature drop pressure loss upstream oil & gas information management model-based virtual flow correlation production monitoring...
Proceedings Papers
Development of speed controlled pigging for low pressure pipelines
Available to PurchasePublisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-501
... is controlled in low pressure gas-dominated pipelines. valve bypass pig pipeline bypass valve bypass area pipeline pigging upstream oil & gas low pressure pipeline pressure loss coefficient experimental result experimental setup velocity excursion bhr group 18 correlation pressure drop...
Proceedings Papers
Validation of a Physically-Based Model for Slug Initiation and Evolution in Hydrodynamic Slug Flow
Available to PurchaseC. Lawrence, Z. G. Xu, P. Andersson, H. Eiding, L. Hovden, J. Henriksson, S. Henriksen, S. Dayarathna, T. Haugset, T. Ruden, B. Hu
Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-A1
... available correlations. 2 INTRODUCTION Slug flow is a commonly occurring phenomenon in hydrocarbon production pipelines and many other process applications. Slugs can form for a variety of reasons, including operational slugging, terrain and severe slugging, and hydrodynamic slugging. Dynamic multiphase...
Proceedings Papers
Modelling of Liquid Droplets Concentration Profiles in Stratified-Annular Flows
Available to PurchasePublisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-A2
... are also discussed. Second, a new methodology is proposed as an alternative for the droplet concentration profiles prediction assuming an exponential droplet distribution in the vertical diameter. The methodology is built by obtaining empirical correlations using genetic algorithms. The algorithm...
Proceedings Papers
Development of a New CFD-Based Unified Closure Relation for Taylor Bubble Velocity in Two-Phase Slug Flow in Pipes
Available to PurchasePublisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-C1
...) studied analytically the limiting problem of negligible viscous force and surface tension where is constant. White and Beardmore (1962) performed a wide range of experiments for vertical tubes of stagnant liquid and proposed a general graphical correlation of as a function of and identifying...
Proceedings Papers
Improving Boundary Conditions For Multiphase CFD Predictions of Slug Flow Induced Forces
Available to PurchasePublisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-C3
.... The results of this approach are compared with physical tests of slug flow through a single bend and predictions based on more established slug flow correlations. The Q3D CFD method produced slug flow inlet boundary conditions that matched correlations and test data well. The conclusion is that Q3D CFD...
Proceedings Papers
CFD Modelling of Bypass Pigs With a Deflector Disk
Available to PurchasePublisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-C4
... for various parameter ranges (such as the Reynolds number and the bypass opening) existing correlations for pressure loss coefficients used for bypass pigs are reviewed and their range of applicability is discussed for bypass pigs with and without a deflector disk. These results can be used to improve 1D...
Proceedings Papers
Slug Frequency in High Viscosity Liquid and Gas Flow in Horizontal Pipes
Available to PurchasePublisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-C2
... Pa s. Results are discussed in terms of viscosity and diameter effects, and compared with existing models. A new correlation is proposed to predict slug frequency for high viscosity liquid and gas flows. slug flow liquid holdup diameter pipe upstream oil & gas slug frequency viscosity...
Proceedings Papers
Improved Holdup and Pressure Drop Predictions for Multiphase Flow with Gas and High Viscosity Oil
Available to PurchasePublisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-C4
... upstream oil & gas stratified flow production logging experiment production monitoring correlation pipe friction factor prediction reservoir surveillance bhr group 2013 slug flow multiphase flow liquid viscosity fraction pressure drop holdup production control viscosity oil turbulent...
Proceedings Papers
Comparison and Analysis of Mechanistic Models for Gas-Liquid Flow in Vertical and Deviated Wells
Available to PurchasePublisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-E2
... performance indicators. In the course of this study, a modified version of the Gomez et a l. model including a revised liquid entrainment correlation was implemented to overcome an apparent limitation in gas-lifted wells. The grade obtained with the model went from 30% to 70% for the subset of 34 gas-lift...
Proceedings Papers
Mechanistic Models for Three-Phase Stratified and Slug Flows with Dispersions
Available to PurchaseC. Lawrence, J. Nossen, R. Skartlien, O. Sendstad, O. Skjæraasen, J. Hua, L. Liu, K. Hald, T. Sira, E. Holm, B. Hu, D. Biberg, P. Anderson, G. Staff, L. Wollebæk, J. Henriksson, T. Wangensteen, Z. G. Xu
Publisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-E6
... of information and the need to introduce closure models. These can be supplied either by correlations of experimental data, or by integration of a more detailed underlying model. The problem with empirical correlations is that dimensional analysis of a relatively simple two-phase flow shows that the number...
Proceedings Papers
Prediction of Liquid Volume Fraction in Slugs in Two-Phase Horizontal Pipe Flow With High Viscosity Liquid
Available to PurchasePublisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-H4
... understood and inadequately predicted. The objective of this study is to experimentally investigate the effect of high liquid viscosity on slug liquid holdup in horizontal pipes and develop a simple physical model. In addition, a new empirical non-linear regression correlation is proposed to predict...
Proceedings Papers
Hydraulics Analysis of the Heidrun Offshore Field
Available to PurchasePublisher: BHR Group
Paper presented at the 15th International Conference on Multiphase Production Technology, June 15–17, 2011
Paper Number: BHR-2011-E2
... of the field data show that a one-dimensional description of these phenomena can lead to a fair agreement with the data provided that the adopted closure laws are appropriate for the physical problem under investigation. frequency correlation upstream oil & gas gas entrainment rate slug catcher...
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