..., as the peak rate of liquid exceeded the handling capacity. This motivated the development of a model predictive controller capable of choking back production before overfilling the topside liquid handling facility. © BHR Group 2009 Multiphase Production Technology 14 7 2 LIQUID SURGING For all gas-condensate...

... experimental result slug frequency bhr group 2009 multiphase production technology 14 controller simulation unstable operating point riser-pipeline system srsm open-loop unstable operating point oil production flowrate operating point frequency pipeline upstream oil & gas...

... data assimilation problems is to use Kalman filtering (Kalman [4 This © BHR Group 2009 Multiphase Production Technology 14 33 method, which was originally developed for linear models, has got several extensions (Jazwinski [5], Evensen [6]) to deal with non-linearity, which is present in many industrial...

... attractive for the oil and gas industry and have found their © BHR Group 2009 Multiphase Production Technology 14 51 applications in the business. Essentially, three main accuracy requirements exist, approximately amounting to: - 5-15% - for reservoir management; - 2-5% - for production allocation; - 0.25-1...

... a flow of coal dust solids in a nitrogen stream. Although these types of devices use pressure measuring structures, they are not able to address the © BHR Group 2009 Multiphase Production Technology 14 65 problem of measuring a liquid fraction in a multiphase-flow where the dispersed liquid phase is less...

... application bornemann gmbh multiphase production technology 14 hydraulic jet pump germany shaft power twin-screw pump full size application bhr group 2009 pump capacity artificial lift system hydrocarbon Grown-up twin-screw multiphase pumps from marginal to full size applications D Müller-Link...

... and difficult to access © BHR Group 2009 Multiphase Production Technology 14 99 onshore oil fields (1). The pressure decreases in oil and gas fields by time because of its flow through the porous deposit rock within the conveying process and due to the declining amount of resource. As a consequence, less...

... towards discharge. Fig. 1: MPP used by the industry (1) © BHR Group 2009 Multiphase Production Technology 14 115 The moving compartments transport the multiphase fluids either from the outside of the screws to the middle or from the middle to the outside depending of the direction of the rotation...

... of experimental data is typically 1 - 4 inches (0.0254 0.1016 m). © BHR Group 2009 Multiphase Production Technology 14 157 As was stated above, the conditions encountered in the pipeline systems are very different to those covered in the available range of experiments. Thus, reliance has to be placed on scale...

... stratified flow multiphase production technology 14 experiment phase fraction concentration profile model prediction denote pipe production logging production control upstream oil & gas fraction oil-water flow reservoir surveillance water cut equation interface Oil-water flow...

... heat transfer production monitoring upstream oil & gas heat loss calculation multiphase production technology 14 wellhead temperature production logging flow rate wellbore pressure temp field data simulation production control production system temperature calculation temperature...

... Multiphase Production Technology 14 215 interaction between the reservoir and the well, changes in the surface conditions of the production plant, etc. Among these, we can distinguish between artificial reasons of transient phenomena i.e., human intervention, for example, well kick-off, well killing...

... & gas sandscreen multiphase production technology 14 flow rate inclination cleanup process mud concentration Modelling and simulation of the co-flow of reservoir fluids and drilling/completion mud in the ultra-long multilateral horizontal wellbores B Hu1, E H Uv2, Z G Xu1 1SPT Group Norway...

... GRAMP-2, a steady state wellbore modelling code based on flow regime prediction developed at Imperial College. Good agreement was obtained with simulated and experimental results. test section flow regime experiment multiphase production technology 14 production logging drillstem/well...

... covered by online simulators for surveillance and operational support. simulation speed application production logging what-if mode execution mode real time system snapshot gas injection multiphase production technology 14 functionality real-time kernel production monitoring look-back...

... to downstream processing facilities such as poor separation. Furthermore, unstable flow causes a reduced production rate, hence, requires more time to achieve the same recovery. Therefore unstable production should be mitigated. © BHR Group 2009 Multiphase Production Technology 14 281 For gas-lifted wells...

..., stratified-atomization, stratified-annular-transition and annular flow patterns. The proposed simplified dimensionless formula can be used for the flow line design purposes and flow assurance predictions in pipelines. pressure gradient two-phase flow multiphase production technology 14 production...

... viscosity production monitoring slug catcher mast drift velocity bhr group 2009 prediction viscosity upstream oil & gas multiphase production technology 14 bubble velocity fluid dynamics Motion of elongated gas bubbles over a horizontal liquid layer P Andreussi University of Pisa, Italy M...

... fluctuations at the interface are responsible for the formation of slugs. hanratty artificial intelligence reservoir surveillance multiphase production technology 14 slug frequency production monitoring prediction pipe flow rate bhr group 2009 fluctuation production logging production...

... wall reactor multiphase production technology 14 temperature curve hydrate particle nucleation seed hydrate formation Analysing hydrate transport problems new solutions from small scale experiments? M Foss, K Hald, L Liu, S Nuland Institute for Energy Technology, Norway ABSTRACT A new method...