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Keywords: holdup
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32102-MS
... 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29353-MS
... SG ) within the experimental range, capturing the effects of pressure (gas density). The change in pressure gradient and liquid holdup across the intermittent to segregated transition is more pronounced at low v SL . In segregated flow, the pressure gradient ( -dp/dL ) increases with pressure...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27810-MS
... by Holm (2015). The production capacity for the field is also being evaluated, but will most likely be in the range of one to two LNG trains depending on the train size. MULTIPLE HOLDUP SOLUTIONS AND THE LIQUID ACCUMULATION POINT Liquid management for gas-condensate pipelines relies heavily on accurate...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-26000-MS
... important consequences on the hydrate prevention strategies. original reservoir fluid holdup software multiphase flow calculation bara composition hydrate formation offshore technology conference pipeline hydrocarbon pvt measurement flow assurance local composition gas holdup hydrate...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24099-MS
... viscosity, which can eventually form a plug (Turner, 2005). hydrate formation flowloop slug flow offshore technology conference hydrate equation slip velocity upstream oil & gas holdup transition experimental data sloan prediction flow model simulation flowline otc 24099 flow...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24046-MS
... 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21255-MS
..., but as an inherently transient phenonenon. holdup equation offshore technology conference stratified region reservoir surveillance holdup production control slug catcher superficial liquid velocity production monitoring otc 21255 slug flow hydrodynamic slug flow liquid velocity pipeline transient...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21417-MS
... in the existing SINTEF Tilda database, which now in total includes more than 10,000 data points. multiphase flow deviation pressure drop geometry experimental data otc 21417 equation multiphase flow simulator holdup production monitoring maximum rate 7200 100 72 offshore technology conference...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20617-MS
... 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20390-MS
... 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19434-MS
...-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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18810-MS
...-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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18691-MS
... flow critical velocity holdup reservoir surveillance production control slip velocity diameter pressure gradient production logging mixture velocity particle upstream oil & gas sand bed formation experimental data production monitoring pipeline sand holdup superficial water...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16555-MS
... 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 pipeline production pipeline template hydrate remediation flow assurance upstream...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1995
Paper Number: OTC-7743-MS
... logging regime test section liquid holdup expression fluid dynamics pipe diameter holdup 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, Offshore Technology Conference This paper...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 1995
Paper Number: OTC-7744-MS
... 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...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1994
Paper Number: OTC-7510-MS
... JAMES CORBALLY 5 2) Excessive Liquid Hold-up Boundary This bound 3 has been established to eqsuqe *at e liquid holdup in the plpehne Mkept to a mini-mumin order %i!!zrir~ induction of lar e liq~id slugs @at couldbe generate%, particularlyduring transient operations ego flow turn up/down, and pi eline...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 1991
Paper Number: OTC-6670-MS
... of unprocessed well fluid. riser otc 6670 liquid sluq pipe inclination friction factor holdup prediction inclination differential multiphase flow pipeline transient behavior troll maximumvelocity slug catcher upstream oil & gas offshore technology conference flowrate OTC 6670 TOGI...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1988
Paper Number: OTC-5650-MS
... that are currently used in the oil industry (2). A recent (3) evaluation of pressure drop and holdup correlations for gas/condensate pipelines showed that, while accuracy is better with the former, most of the correlations produce significantly large errors. A study of similar correlations with air/water mixtures (4...

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