... stress, s parameter used to calculate the critical Reynolds number diffusion coefficient mass transfer rate, kg/m3s force due to gravity, N © BHR Group 2007 Multiphase Production Technology 13. 327 Subscript and superscript index b sand bed c critical value ck index for mixture layer cg gas...

... 2007 Multiphase Production Technology 13. 343 wM : Molecular mass of water (g.mol -1) hydraten , oiln : Quantity of gas consumed by hydrate formation and oil saturation (mol) ksntan , separatorn : Quantity of gas consumed from gas tanks and separator (mol) P : Differential pressure (Pa) Q : Volume...

... build-up in the well bore, resulting in either the liquid being lifted out of the well as a slug or the well dying. © BHR Group 2007 Multiphase Production Technology 13. 359 During shut-in and packing of pipelines and wells the pressure will build up slowly, the inflow gradually declines...

... the bottomhole pressure within a reasonable window. Also it should be noted that, these drilling parameters are directly related with wellbore inclination as © BHR Group 2007 Multiphase Production Technology 13. 373 well as hole size. Thus, in order to determine the design parameters for such wells accurately...

... analysis is used to make simplified Finite Element Analyses simulation models. This paper will further report on how optimum use of CFD, Finite Element Analyses and a combination of the two can be used to analyze multiple cold spots. © BHR Group 2007 Multiphase Production Technology 13. 385 This paper...

... water system or excessive water © BHR Group 2007 Multiphase Production Technology 13. 399 carried with the oil stream, as well as the problem common to all kind of three phase separators of excessive liquid carried with the gas stream. The first step of the investigation was to code a set...

... conflict variation reservoir surveillance separation station subsea separator simulator operation olga upstream oil & gas production system subsea processing flowline production monitoring separator multiphase production technology 13 bhr group 2007 separation and treating requirement...

... in a way which is useful in gaining stability during day-to-day operations. gas lift multiphase production technology 13 bhr group 2007 stability flow stability map flowrate gas lift flowrate sm 3 upstream oil & gas oil loop gas lift rate north oil loop riser south oil loop...

... transitions. upstream horizontal pipeline horizontal pipeline riser gas superficial velocity production monitoring experiment slug flow multiphase production technology 13 upstream oil & gas production control transition configuration 1 configuration artificial intelligence liquid...

..., 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...

... inclined pipes. © BHR Group 2007 Multiphase Production Technology 13. 33 To predict this transition region accurately is therefore a challenge of particular relevance for gas-condensate pipelines. Present multiphase flow models have to little extent been tested for accuracy in this respect. Some data...

... - Programmable Logic Component PLET - Pipeline End Termination © BHR Group 2007 Multiphase Production Technology 13. 47 PLN - Planning execution mode PMS - Pipeline Management System RTS - Real Time System RUP - Ramp-Up tool SAS - Safety and Automation System SPC - Statistical Process Control TRL - Trial...

... velocities at which roll waves start to initiate. slug flow hanratty interface horizontal pipe production control production monitoring multiphase production technology 13 slug holdup environment pipe prediction theoretical model bhr group 2007 crest transition production logging...

... loop (Zuata crude oil, =0.996 g/cm3, µ=1.15 Pa.s) is shown as a function of time. As result of fouling build-up, the 80 © BHR Group 2007 Multiphase Production Technology 13. pressure drop becomes seven times larger (from 25 psi to 175 psi) than at the beginning. In this case, the installed power...

... at very high GVF's. Furthermore a finite volume based CFD programme was developed to enable the calculation of the two-phase flow through all clearances, using the homogeneous equilibrium model. investigation bhr group 2007 hydraulic jet pump screw pump multiphase production technology 13...

.... artificial lift system multiphase production technology 13 compression ratio conventional stator compressors engines and turbines fraction hydraulic jet pump differential pressure production monitoring upstream oil & gas progressive cavity multiphase pump equal wall stator bhr group 2007...

... to the adiabatic one. fraction multiphase service operation customer discharge hydraulic jet pump undisclosed discussion efficiency internal compression upstream oil & gas twin-screw pump multiphase pump assembly multiphase production technology 13 artificial lift system new basic physical...

... interfacial friction cfd simulation interface multiphase production technology 13 channel flow velocity distribution pressure gradient wall friction Comparison of the Biberg analytical depth-integrated two-phase stratified flow model with CFD simulations K Holmås, D Biberg Dept. of Process...

... dissociation evolution particle hydrate dispersion entrainment multiphase production technology 13 agglomerate bhr group 2007 crystal size distribution flow assurance upstream oil & gas kinetic growth Hydrate transport in gas-dominant flows E Duret1, G Sanchez2, M Rivero2, V Henriot1 1...

.... slug equation production logging production control production monitoring entrainment multiphase flow issa superficial velocity slug frequency bhr group 2007 slug flow fraction multiphase production technology 13 water cut upstream oil & gas experiment bonizzi fluid dynamics...