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Keywords: superficial gas 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-2019-277
... control experimental data correlation production logging multiphase flow production monitoring entrainment fraction droplet entrainment two-fluid model equation prediction wave celerity pressure drop superficial gas velocity reservoir surveillance upstream oil & gas entrainment rate...
Proceedings Papers

Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-409
..., and they are not able to predict the effect of water fraction on the frictional pressure drop little experimental data exist for such conditions (low liquid loading three phase flow at high superficial gas velocities). The work and results related to frictional pressure drop in vertical flow were presented...
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
... and air, for superficial liquid velocities ranging from 0.2 to 0.7 m/s, and superficial gas velocities ranging from 0.1 to 30 m/s. From the experimental observations of flow regimes in diameters larger than 97 mm, churn flow is observed under conditions that slug flow would be expected in smaller diameter...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-439
... for such conditions (low liquid loading, three-phase flow at high superficial gas velocities). The key focus of these presentations is hence related to frictional pressure drop in low liquid loading at high water fractions. To support model development and model verification experiments were conducted in a 4...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-B1
.... The current study also investigates the distribution of the pseudo-slug frequencies along the pipe as well as their translational velocities as functions of inclination angle and superficial gas velocity. Introduction For an inclined pipeline, liquid accumulation takes place when the amount of momentum...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 15th International Conference on Multiphase Production Technology, June 15–17, 2011
Paper Number: BHR-2011-C2
... polymers a higher superficial liquid velocity, U SL , needed to convert a stratified flow to pseudo-slug or pseudo-slug to slug flow pattern and also a higher superficial gas velocity, U SG , is needed to convert stratified to annular. Most importantly it has been noticed that the maximum drag reductions...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 15th International Conference on Multiphase Production Technology, June 15–17, 2011
Paper Number: BHR-2011-G3
... experiment bhr group 2011 production monitoring upstream oil & gas superficial gas velocity production logging interfacial shear stress sf 6 interfacial friction factor olga reservoir surveillance correlation nexbase 3080 stratified flow pressure drop viscosity oil viscosity...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 15th International Conference on Multiphase Production Technology, June 15–17, 2011
Paper Number: BHR-2011-I3
...- and wavy-flows is discussed in this section. As can be seen in Figure 5 for the high pressure experiments where 0.50 m/sslU = , slug flow was predicted for only a narrow region of superficial gas velocities. In the same figure where 0.25 m/sslU = , no superficial gas velocities produced a slugging pattern...
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 14th International Conference on Multiphase Production Technology, June 17–19, 2009
Paper Number: BHR-2009-G3
... and operational conditions were investigated. The operational conditions for which the slug velocity was less than mixture velocity occur at relatively high superficial gas velocities and low superficial liquid velocities. Under these conditions, the initiation mechanism is wave coalescence in which...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 13th International Conference on Multiphase Production Technology, June 13–15, 2007
Paper Number: BHR-2007-C5
... fluid system reservoir surveillance inclination angle multiphase production technology 13 upstream oil & gas gas velocity instrument water cut liquid holdup critical gas velocity production logging discontinuity production control simulation inclination superficial gas velocity...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 12th International Conference on Multiphase Production Technology, May 25–27, 2005
Paper Number: BHR-2005-H2
... catcher flow rate flow line multiphase production technology 12 reservoir surveillance upstream oil & gas field data riser production monitoring production rate flow pattern map bhr group 2005 flow metering hydrodynamic slug transition superficial gas velocity instability onset...

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