... enables the design of hydrate-safe operations of subsea production systems. subsea system valve figure 7 recovery time time flow assurance simulation offshore technology conference type 2 start-up prevention procedure cdt geometry threshold warm-up time depressurization holdup...

... visualization structure velocity holdup united states government production control pseudo-slug flow churn-annular flow inclined pipe liquid holdup mixture velocity tulsa university angle effect Introduction Two-phase flow widely occurs in petroleum, chemical, nuclear engineering, etc...

... of overall hydrate holdup and distribution to several parameters, including ambient temperature, holdup profiles, water droplet entrainment, and the strength of hydrate-wall adhesion. Since number of these parameters are subjected to underlying uncertainties in field conditions, a viable hydrate monitoring...

... Urbana-Champagn , Urbana, IL . Badie , S. , C.P. Hale , C.J. Lawrence , and G.F. Hewitt . 2000 . Pressure Gradient and Holdup in Horizontal Two-Phase Gas-Liquid Flows with Low Liquid Loading . Int. J. Multiph. Flow 26 : 1525 - 1543 . Bendiksen , K. , D. Malnes...

..., significantly reducing the uncertainty for gas condensate field developments. flow rate liquid content superficial velocity international conference uncertainty analysis prediction experiment screening technique production logging holdup reservoir surveillance hd model screening experiment...

... important consequences on the hydrate prevention strategies. original reservoir fluid bara composition hydrate formation holdup flow assurance hydrate stability zone upstream oil & gas hydrate phase boundary original oil software multiphase flow calculation local composition gas...

... viscosity, which can eventually form a plug (Turner, 2005). hydrate formation flowloop slug flow hydrate offshore technology conference upstream oil & gas holdup transition experimental data sloan prediction flow model equation slip velocity flowline otc 24099 flow regime...

... Abstract Slug liquid holdup is one of the most important parameters of slug flow. It is closely related to the average liquid holdup and pressure gradient of slug flow in wells and pipelines. Barnea and Brauner (1985) and Zhang et al. (2003a) mechanistic models are based on the turbulent...

..., but as an inherently transient phenonenon. production control slug catcher superficial liquid velocity slug flow holdup equation offshore technology conference stratified region reservoir surveillance holdup simulation upstream oil & gas equation hydrodynamic slug flow liquid velocity...

... in the existing SINTEF Tilda database, which now in total includes more than 10,000 data points. equation production logging production control multiphase flow deviation pressure drop geometry experimental data multiphase flow simulator holdup production monitoring otc 21417 offshore...

... Abstract The liquid holdup distribution and pressure drop of a wire mesh demister was investigated experimentally. The meshpad porosity was 98.06 vol % and the height 0.1m. It was tested at ambient conditions with air and water. The liquid holdup inside the mesh pad was measured at five...

... diameter of the pipe is 52.5 mm (2.067 in). The experimental measurements include pressure gradient and liquid holdup. The flow pattern and slug characteristics are observed and the images are recorded with a high definition video system through a sapphire window. The experimental results are compared...

...-dimensional model offers detailed flow distributions that are impossible to obtain with one-dimensional models. It was demonstrated recently that flow regime transitions, observed pressure gradients and liquid holdup can be accurately reproduced (Laux et al., 2007). In the present paper, we analyze 2-phase...

... flow critical velocity holdup reservoir surveillance pipeline sand holdup superficial water velocity sand velocity gas velocity slip velocity diameter pressure gradient production logging production monitoring mixture velocity particle upstream oil & gas sand bed formation...

...-through in subsea wells, detection of scale buildup, monitoring of hydrate margins, methanol injection optimization, liquid holdup monitoring, dynamic flow metering for flow allocation, detection of blockage in the flow line, early detection of equipment failure, etc. The planning simulator is used...

... has been selected for the field. The completion of subsea wells will be timed to maintain plateau production as the field depletes. hydrate plug requirement injection pressure drop ormen lange holdup hydrate hydrate remediation flow assurance upstream oil & gas liquid holdup ice...

... interracial shear stress upstream oil & gas production logging regime pipe diameter holdup fluid dynamics liquid holdup expression OTC 7743 Prediction of Two and Three Phase Flow in the Horizontal Configuration G.F. Donnelly, P.L. Spedding and W.J. McBride, U. of Belfast Copyright 1995...

... holdup, and pressure drop, vary with time and this makes the prediction of slug flow characteristics both difficult and challenging. This paper reviews the state of the art methods in slug catcher sizing and slug volume predictions. In addition, history matching of measured slug flow data is performed...

... of flow regime, pressure and temperature drops, liquid holdups, hydrodynamic slugging in pipelines and severe slugging in risers; Hydrate formation and inhibition requirements; Waxing, emulsion, scaling, corrosion and erosion. Such information is vital for the complete design of the multi-phase...

... of unprocessed well fluid. riser otc 6670 liquid sluq holdup pipe inclination friction factor maximumvelocity upstream oil & gas offshore technology conference prediction inclination differential multiphase flow pipeline transient behavior troll slug catcher flowrate OTC 6670 TOGI...