1-20 of 23
Keywords: liquid holdup
Close
Sort by
Proceedings Papers

Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-167
... is on the selection of appropriate data from our existing data base and on the design of new, scaled laboratory experiments, which will be well suited to demonstrate (or test) the scaling rules. The data include fluid properties, pipe configurations and flow rates. Besides the observed flow pattern, the liquid holdup...
Proceedings Papers

Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-247
... 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

Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-359
... eccentricity production logging pipe production monitoring liquid holdup x-ray tomography tomography outer pipe ABSTRACT In this work, an X-ray system consisting of six cameras was used to obtain instantaneous cross-sectional phase distribution of gas-liquid flow in annuli. The horizontal...
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
.... velocity difference) between gas and liquid (Ozar et al., 2008) and thus the liquid holdup and static head. A major challenge in studying multiphase annulus flow is the difficulty in acquiring experimental data that are sufficiently accurate and detailed to support development of mechanistic models. High...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-103
... diameters ranging from 97 to 297 mm and superficial gas velocities lower than the minimum point in the pressure gradient curve. In contrast, the liquid holdup varies up to 100% for the same range of pipe diameters and gas/liquid velocities. The measurements of liquid holdup and pressure gradient are also...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-161
..., U crit , where the pressure gradient is minimized with respect to the gas flow, is often used to determine the onset of liquid loading. liquid holdup reservoir surveillance dut production control artificial lift system flow rate tno experimental data production logging bhr group 18...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-209
... of the technology include virtual well metering; pipeline monitoring for hard-to-measure quantities such as liquid holdup and fluid temperature profile; forecasting of cool-down and no-touch times upon shutdown, or of process response to planned operational events; pig campaign planning; hydrate blockage detection...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-D3
...The experimental study of liquid holdup in gas-liquid pipe cyclonic separator using electrical resistance tomography and wire mesh sensor S Kanshio, H Yeung, L Lao Oil and Gas Engineering Centre, Cranfield University, UK ABSTRACT Subsea separation is increasingly becoming a critical subject...
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
... with decreasing capabilities as liquid viscosity increased. OLGA point model over predicted the slug flow pattern and under predicted the liquid holdup in this study. Introduction The oil and gas industry is increasingly looking towards unconventional resources like heavy oil (defined as petroleum liquid API...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-G2
...Experiments for low liquid loading with liquid holdup discontinuities in two- and three-phase flows J Kjølaas, T E Unander, M Wolden SINTEF Petroleum AS, Norway P S Johansson, H Holm Statoil, Norway ABSTRACT Experiments for low liquid loading in two- and three-phase flows have been conducted...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-G3
... liquid accumulation in gas condensate pipelines at low liquid loads. The goal of the analysis was to clarify what the experiments actually measured: The critical point, where the two-phase Froude number equals unity, or the so-called accumulation point, where the liquid holdup starts to increase sharply...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-G4
... the transition point from low to high liquid holdup; the accumulation point. We have explained how the removal of the liquid, when the gas flow is increased to inside the multiple holdup solution region, can be described by a steady state fully developed flow approximation. OLGA HD showed excellent predictions...
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
... models. A new correlation is proposed to predict slug frequency for high viscosity liquid and gas flows. Key words: slug frequency; oil and gas; ECT; viscosity effect; diameter effect. NOMENCLATURE D Pipe diameter (m) Ek Instantaneous liquid holdup Eth Threshold of liquid holdup Fr Froude number sf Slug...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-C4
... flow viscosity liquid holdup Improved holdup and pressure drop predictions for multiphase flow with gas and high viscosity oil I Eskerud Smith1, J Nossen2, T Erling Unander1 1 SINTEF Petroleum Research, The Multiphase Flow Assurance Innovation Centre (FACE), Norway 2 Institute for Energy...
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
... liquid slug upstream oil & gas reservoir surveillance production logging liquid holdup unit cell model equation simulation superficial velocity long gas bubble velocity unit cell gas bubble slug flow correspond numerical simulation Data processing of full 3D numerical simulation...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 15th International Conference on Multiphase Production Technology, June 15–17, 2011
Paper Number: BHR-2011-G1
... operation. For example, average slug length is important and preferred (over slug frequency) as an input parameter in mechanistic models to predict liquid holdup and pressure gradient. Furthermore, long slugs often cause operational problems such as flooding of downstream facilities, severe pipe erosion...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 15th International Conference on Multiphase Production Technology, June 15–17, 2011
Paper Number: BHR-2011-H2
... with the liquid holdup time traces in the bend. Significantly large forces appear when the highly turbulent slug front arrives at the bend centre hitting the bend in the wall and the slug body is travelling in the bend. The distribution of the force on the bend wall and gas/liquid phases in the bend has been...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 14th International Conference on Multiphase Production Technology, June 17–19, 2009
Paper Number: BHR-2009-B3
... is not discussed here due to space limitations) Figures 7 and 8 show time history plots of the liquid holdup ( L) and the gas entrained fraction (E) for the flows shown in Figures 3 and 4, respectively. Here, the liquid holdup is calculated from the reconstructed tomographs. 84 © BHR Group 2009 Multiphase...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 14th International Conference on Multiphase Production Technology, June 17–19, 2009
Paper Number: BHR-2009-D2
... and the underlying mechanisms were discussed. Selected mechanistic models were evaluated against the experimental results. zhang bhr group 2009 reservoir surveillance liquid holdup droplet prediction water cut upstream oil & gas superficial gas velocity pressure gradient production logging low...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 13th International Conference on Multiphase Production Technology, June 13–15, 2007
Paper Number: BHR-2007-A2
..., and flow regime under steady state and transient conditions will be demonstrated. upstream oil & gas liquid holdup pipeline bhr group 2007 flow regime ledaflow pressure drop multiphase production technology 13 pressure gradient production control conservation equation inclination...

Product(s) added to cart

Close Modal