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Keywords: flow rate
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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-2019-007
... choke machine learning recurrent neural network pca bhr group mpt2019 flowline accuracy non-slugging condition production data deep learning upstream oil & gas dependency amplitude prediction classification frequency neural network flow rate principal component rnn...
Proceedings Papers

Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-183
... at turn down rates and during late life production. This phenomenon can have large operational effects on a receiving facility. For the Mikkel/Midgard fields, which are tied back to the Åsgard B platform, the instabilities enforce minimum flow rates in the flowlines due to liquid handling of the surges...
Proceedings Papers

Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-345
... ABSTRACT The Gannet oil export pipeline is operating at relatively low flow rates. At these low flow rates, there is potential to have a flow regime with laminar flow instead of with turbulent flow. Therefore, the viscosity, or rather the rheological properties, of this oil are essential...
Proceedings Papers

Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-375
... upstream oil & gas production monitoring pipeline-riser system injectable venturi injection pressure drop pipeline transient behavior reduction reservoir surveillance valve gas injection riser base pressure fluctuation flow rate experiment slug catcher artificial...
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
... Liquid loading is a well-known problem that occurs when wet gas wells approach their end-of-life. Due to the depletion of the reservoir, its pressure decreases. Consequently, the gas flow rate in the well is also reduced. When only dry gas is present in the well, the reduced gas flow rate has no further...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-185
... [3]. For the datasets shown in Figure 4, both Elseth and Amundsen report flow rates calculated through integration over the velocity profiles. In Table 4, we compare the turbine flow rates stated by Elseth, his estimated flow rates calculated through integration over the velocity profile, and our own...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-225
... complex reservoir lf 2 mass flow rate relative error upstream oil & gas production monitoring production logging condensate reservoir operation pipeline prediction field data flow rate pipeline pl1 bhr group 18 pipeline pl3 reservoir surveillance international conference...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-275
... compression station, import/export flowlines and topside separation system. The flowline model in the FAS has been tuned against existing field data on pressure drop and liquid accumulation. At low flow rates, liquid surge wave instabilities in the flowlines occur. In the present paper, it is shown...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-345
... pipe (mm) DH = Hydraulic diameter (mm) © BHR Group 18 MPT 2017 345 pcsg,bt = pressure at the bottom of the inner casing (bar) pinj = injection pressure (bar) pinj,max = maximum injection pressure (bar) ptbg,bt = pressure at the bottom of the tubing (bar) pwh = wellhead pressure (bar) qg = gas flow rate...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-395
...Prolonged gas-condensate pipeline operation below minimum turndown rate E Zakarian, J Morgan Woodside Energy Ltd, Australia 1 ABSTRACT Large liquid volumes build up in gas-condensate pipelines when operated at low flow rates, so limited time is available before production needs to be restored...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-413
... in a vertical section of the pipe. Liquid and gas flow rates have been determined by means of semi-empirical equations developed for the specific set of flow parameters (geometry, flow rates, physical properties) adopted in a series of laboratory tests conducted in the Multiphase Flow Laboratory of TEA Sistemi...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-485
.... The preliminary plan for the field is to install 20–30 subsea wellheads, and metering of the flow from each well is required for reservoir drainage planning. In addition, flow rate metering is required in order to predict the flowing conditions inside the 100 km long flowline. For this purpose, metering accuracy...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-511
... vessels as the receiving first stage bulk separator, the principle of operation being separation by gravity. This enables good tolerance to slug flow and varying flow conditions, allows a large interfacial area for liquid-liquid separation, and enables desired flexibility in terms of flow rate and control...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-531
... ABSTRACT Field data are presented for two parallel risers connected to the same inlet. The data show that the multiphase flow is split equally over the two risers at high flow rates; however, below a critical flow rate the system diverges: the flow passes preferentially through one riser...
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
... is referred to as critical gas velocity . For gas flow rates below this critical gas velocity, the liquid phase starts to accumulate at the bottom of the upward inclined pipe, and partially or completely blocks the cross section of the pipe, forming intermittent flow. Based on the literature, the most...
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
...]. Azzi et al.[7] critically evaluated the available correlation used to predict the pressure drop in bends for two phase flows with Newtonian liquid phase. They emphasised the inconstancy of most of the equations especially at zero bend angle and zero mass flow rate where the pressure drop should...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-C2
... that were recently tested in air-water experiments at Shell Technology Centre Amsterdam were simulated. The flow was split using a horizontal impacting tee. The pipe diameter was about 2 throughout. Simulations were done for a gas (air) flow rate of 60 Nm3/hr and a liquid (water) flow rate of 2 m3/hr...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-E1
... occur during production at low flow rates, typically during production ramp up [2] and sometimes also during ramp down [3]. When the production rate is increased the pipeline will move from a state with a large liquid content to a state with less liquid content. When this excess liquid is expelled out...
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
... solutions in flows with low liquid loading. Specifically, maps were generated showing the critical flow rates for which the flow changes from the low-holdup solution to the high-holdup solution. Such maps were created for various pipe diameters, pipe angles, liquid densities, gas densities and liquid...
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
... with reducing gas flow rate. We developed an algorithm for computing the two points and performed a study to quantify the deviations between liquid flow rate and holdup at the critical point and at the accumulation point. We have found that the experiments give the accumulation point when the critical holdup...

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