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a study of oil water flow patterns in horizontal pipes

Experimental study of two and three phase flows in

Abstract Steady-state and transient experiments of watergas,oilwater and oilwatergas multiphase flows were conducted on a transparent 11 m long,15 cm diameter,inclinable pipe using kerosene,tap water and nitrogen.The pipe inclination was varied from 0° (vertical) to 92° and the flow rates of each phase were varied over wide ranges.(1961) conducted a study on oilwater flow in horizontal pipelines,and they encountered four types of flow pattern namely; water droplets in oil,concentric water with oil flowing in the core,oil slugs in water and oil bubble in water.They explained that the viscosity and low density difference between oil and water were affecting the flow patterns significantly.Cited by:21Publish Year:2015Experimental investigation of oilwater two-phase flow in Was this helpful?A Study of Oil-Water Flow Patterns in Horizontal Pipes Oil/water flow-pattern transitions in horizontal pipes have been studied both experimentally and theoretically.A new state-of-the-art oil/water test facility was designed,constructed,and operated.A transparent test section (5.013-cm inside diameter x 15.54 m long) can be inclined at any angle,to study both upward and downward flow simultaneously.12345NextTWO PHASE FLOW OF WAXY CRUDE OIL-WATER INInstitute for Oil and Gas,Universiti Teknologi Malaysia,to study the flow pattern,pressure drop,and water holdup of the Malaysian waxy crude oil-water flowing in a closed-loop system at an ambient condition through a 5.08 cm ID stainless steel

A Simplified Mechanistic Model for an Oil/Water

Trallero (1995) proposed a flow-pattern classification for fully developed oil/water flow in horizontal pipes (Fig.4)as follows 1.Stratified flow (ST) This flow pattern is characterized by two liquid layers with the heavier (usually water) at the bottom and the lighter (usually oil) at the top.2.A study on high-viscosity oil-water two-phase flow in A study on high-viscosity oil-water flow in horizontal pipes has been conducted applying experimental,mechanism analysis and empirical modelling,and CFD simulation approaches.A horizontal 1 inch flow loop was modified by adding a designed sampling section to achieve water holdup measurement.A unified model for slug flow in upward inclined pipes @article{osti_32126,title = {A unified model for slug flow in upward inclined pipes},author = {Felizola,H and Shoham,O},abstractNote = {The effect of pipe inclination on upward two-phase slug flow characteristics has been studied both experimentally and theoretically.Experimental data were acquired for the entire range of inclination angles,from horizontal to vertical.

Airwater flow in a vertical pipe experimental study of

Mar 10,2008·This study deals with the influence of bubbles on a vertical airwater pipe flow,for gas-lift applications.The effect of changing the bubble size is of particular interest as it has been shown to affect the pressure drop over the pipe.Local measurements on the bubbles characteristics in the wall region were performed,using standard techniques,such as high-speed video recording and An Experimental Investigation of Oil-Water Flow Patterns In this paper,an experimental research on the oil-water liquid-liquid two-phase flow patterns and their transitions in horizontal pipes are carried out.According to online oil-water flow structures and the analysis of pressure drop signals.,different flow patterns are defined and distinguished.A new classification for oil-water flow patterns is proposed.An experimental study of oil-water flows in horizontalpipe.This flow pattern covers sub-categories such as three-layer flow,dispersion of oil and water with an oil layer and dispersion of water-in-oil with a water layer.

Author Haili Hu,Haili Hu,Jiaqiang Jing,Sara Vahaji,Jiatong Tan,Jiyuan TuPublish Year 2020Horizontal and Inclined Pipelines - IJSER

flow in horizontal and inclined pipes fabricated from 3m long plexiglass with two test sections having internal diameters (IDs) of 1.95 and 2.55 cm.They observed and characterized the multiphase gasliquid flows into Stratified (S) - In this flow pattern,density difference in the phases causes liquid to flowCited by 11Publish Year 2009Author K.Piela,R.Delfos,G.Ooms,J.Westerweel,R.V.A.OliemansResearch Article Experimental Study on the Flow Regimes An experimental investigation has been carried out to study the ow regimes and pressure gradients of air-oil-water three-phase.ows in .ID horizontal pipe at di erent ow conditions.e e ects of water cuts,liquid and gas velocities on ow patterns and pressure gradients have been studied.Cited by 13Publish Year 2014Author Luai M.Al-Hadhrami,S.M.Shaahid,Lukman O.Tunde,A.Al-SarkhiEffect of Water-Soluble Drag-Reducing Polymer on Flow Summary Experimental investigations of flow patterns and pressure gradients of oil/water flow with and without drag-reducing polymer (DRP) were carried out in horizontal and upward-inclined acrylic pipe of 30.6-mm inner diameter (ID).The oil/water

Cited by 13Publish Year 2014Author Luai M.Al-Hadhrami,S.M.Shaahid,Lukman O.Tunde,A.Al-SarkhiInvestigation of the Flow Pattern Transition Behaviors of

In this paper,experiments were conducted in horizontal pipes to study viscous oilwater flow.Transparent acrylic pipes (7.5 m long and 26 mm internal diameter (ID)) were used,and water and viscous white oil (viscosity of 940 mPas) were adopted as the test fluids.The flow structures were recorded,and flow pattern maps were drawn.Cited by 13Publish Year 2014Author Luai M.Al-Hadhrami,S.M.Shaahid,Lukman O.Tunde,A.Al-SarkhiSPE 124542 Experimental Study on High ViscosityTrallero (1995) conducted a detailed study of oil-water flow in a 5.08-cm (2-in) ID horizontal pipe.Six different flow patterns were identified base on visual observations.Cited by 20Publish Year 2016Author Carlos F.Torres,Ram S.Mohan,Luis E.Gomez,Ovadia ShohamExperimental Determination of Flow Patterns and Water experimental works on oil-water flow patterns in horizontal pipes observed the following patterns which they classified as segregated and dispersed flow.The segregated flow was further grouped as stratified flow (ST) and stratified with mixing interface flow (STMI),while that of dispersed flow was grouped as dispersion of water in oil flow (D w/o) or emulsion of water in oil flow (E w/o) (oil dominant)

Cited by 21Publish Year 2015Author Ahmad Shamsul Izwan Ismail,Issham Ismail,Mansoor Zoveidavianpoor,Rahmat Mohsin,Ali Piroozian,MoExperimental study on the flow regimes and pressure

Abstract An experimental investigation has been carried out to study the flow regimes and pressure gradients of air-oil-water three-phase flows in 2.25 ID horizontal pipe at different flow conditions.The effects of water cuts,liquid and gas velocities on flow patterns and pressure gradients have been studied.Cited by 2Publish Year 2020Author Haili Hu,Haili Hu,Jiaqiang Jing,Jiatong Tan,Guan Heng YeohExperimental investigation of oilwater two-phase flow in ·This research has identified five types of flow pattern formed during the waxy crude oilwater flow in a horizontal 5.08 cm ID pipe at different oilwater ratios and mixture flow rates.The five flow patterns were (1) stratified wavy flow (STW),(2) stratified wavy with semi dispersed flow at interface and oil film (STSDO),(3) a newly found semi dispersed flow with semi emulsion at interface and thin oilCited by 329Publish Year 1997Author J.L.Trallero,Cem Sarica,James P.BrillA study of oil-water flow patterns in horizontal pipes Oil-water flow pattern transitions in horizontal pipes have been studied both experimentally and theoretically.A new state-of-the-art,oil-water test facility was designed,constructed and operated.A transparent test section (5.013-cm inside diameter x 15.54-m long) can be inclined at any angle,to study both upward and downward flow

Cited by 5Publish Year 2017Author A.Abubakar,Y.Al-Wahaibi,T.Al-Wahaibi,A.R.Al-Hashmi,A.Al-Ajmi,M.EshratiA Study of Flow Patterns and Surface Wetting in Gas-Oil

A Study of Flow Patterns and Surface Wetting in Gas-Oil-Water Flow Director of Dissertation Srdjan Nei Three-phase gas-oil-water flow is a common occurrence in the oil and gas industry.Comparison of gamma densitometry and electrical This paper presents the hold-up measurement of oil-water flow in pipelines using gamma densitometry and electrical capacitance tomography (ECT) sensors.The experiments were carried out with different pipe inclinations from-5° to+6° for selected mixture velocities (0.2-1.5 m s Dispersed oilwatergas flow through a horizontal pipe Mar 23,2009·An experimental study of threephase dispersed flow in a horizontal pipe has been carried out.The pressure drop over the pipe strongly increases with increasing bubble and drop volume fraction.Because of the presence of drops the transition from dispersed bubble flow to elongated bubble flow occurs at a lower gas volume fraction.

Doctoral theses at NTNU,2011:123 Lene Amundsen

An oil-water model was validated against the horizontal pipe flow data from this study at a mixture velocity equal to 1 m/s and against the horizontal pipe flow data of Elseth (2001) taken at higher mixture velocities equal to 2 and 3 m/s.Effect of low interfacial tension on flow patterns Therefore,this experimental study was carried out to investigate the flow characteristics such as pressure gradients,flow patterns and holdups/velocity ratios of medium viscosity oil/water flow with low IFT in horizontal pipe of 30.6mm-ID.Effect of pipe diameter on horizontal oil-water flow In this work,the results of the experimental investigations of oil-water flow in the absence and presence of water-soluble drag-reducing polymer in two different horizontal pipe diameters (55.7 and 74.67-mm ID) and their comparisons with the results in horizontal 30.6-mm ID pipe were presented.

Experimental Studies and Probabilistic Neural Network

We report detailed analysis on the flow patterns of moderately viscous oilwater two-phase flow through a circular horizontal pipe with an internal diameter of 0.025 m.Lubricating oil and water with viscosity and density ratio of 107 and 0.889,respectively,have been selected asExperimental Study on the Flow Regimes and Pressure In horizontal or near horizontal pipes,the three-phase flow along the pipe with air flows at top of the pipe,oil flows at the middle and water flows at the bottom of the pipe due to difference in densities.Each phase wets parts of the pipe.The possibility of corrosion is high when water phase isExperimental investigation of oil-water two-phase flow in transition between stratied and non-stratied horizontal oilwater ow,[73] B.Alkaya,OilWater Flow Patterns and Pressure Gradients in Slightly In- Int.J.Multiphase Flow 38 (2012) 126129.clined Pipes (M.S.thesis),University of Tulsa (2000),p.1286.

Experimental study on oilwater flow in horizontal and

7 rows··Flow pattern transition prediction models are presented for oilwater flow in horizontal pipes.The transition between stratified and nonstratified flow is predicted using KelvinHelmholtz (KH) stability analysis for long waves.File Size 1MBPage Count 8Oil-Water Two-Phase Flow Characteristics in Horizontal In the present work,detailed analysis on flow characteristics of a pair of immiscible liquids through horizontal pipeline is simulated by using ANSYS FLUENT 6.2.Moderately viscous oil and water (viscosity ratio = 107,density ratio = 0.89 and interfacial tension =Flow patterns and pressure gradient correlation for oil Oct 11,2019·With oil surrounded by water along the pipe,oilwater coreannular flow forms.In this paper,the characteristics of oilwater coreannular flow in a horizontal acrylic pipe were investigated.Plexiglas pipes (internal diameter = 14 mm and length = 7.5 m) and two types of white oil (viscosity = 0.237 and 0.456 Pas) were used.

Fluid Flow Fundamentals - Schlumberger

The flow is monophasic oil at the top of the pipe and monophasic water at the bottom of the pipe.As soon as the well deviates slightly from 90°,the monophasic oil and water streams flow at different velocities.62 Oilfield Review 3.Flow structure and speed are phase-steering mecha-nisms that may accelerate or slow down the physical-Fluid Flow Notes - University of Manchester3.3 Flow proles in pipes under laminar,turbulent and ideal ow a study of oil water flow patterns in horizontal pipes a study of oil water flow patterns in horizontal pipes.29 3.4 Flow patterns observed on injection of a stream of dye into a owing uid30 3.5 Streamlines in steady straight ow and approaching a constriction a study of oil water flow patterns in horizontal pipes.32Hong-Quan Zhang - Faculty AdjunctsAn Experimental Study of Low Liquid Loading Gas-Oil-Water Flow in Horizontal Pipes.14th International Conference on Multiphase Production Technology ,2009.An Overhead Receiver for Capture,Re-Formation,Storage and Transportation of Gas

IFE BRAGE Experimental study of dispersed oil-water flow

Experimental study of dispersed oil-water flow in a horizontal pipe with enhanced inlet mixing,Part 1 Flow patterns,phase distributions and pressure gradientsInvestigation of the Flow Pattern Transition Behaviors of In this paper,experiments were conducted in horizontal pipes to study viscous oilwater flow.Transparent acrylic pipes (7.5 m long and 26 mm internal diameter (ID)) were used,and water and viscous white oil (viscosity of 940 mPas) were adopted as the test fluids.The flow structures were recorded,and flow pattern maps were drawn.MULTIPHASE FLOW PRODUCTION MODELin oil reservoirs.The multiphase flow in wellbores and pipe lines is handled by several multiphase flow equations including Beggs-Brill,Hagedorn-Brown,Hasan-Kabir,and Duns and Ros.A few other empirical correlations are used to describe the multiphase flow through the choke.A gas lift option is also included with the program.

Oil-water liquid flow rate determined from measured

Figure 5 presents the results obtained with the flow-pattern dependent model for horizontal pipe flow,when applied to the oil-water measurements by Rodriguez and Oliemans (2006).Predictions of the flow patterns by the Trallero model are shown in Fig.5(a) (small symbols) with the experimental data plotted as large symbols.The oil-in-water and water-in-oil dispersed flow patterns (Do/w Dw/o,Do/w andPrediction of oil-water flow patterns,radial distribution Volume of fluid (VOF) method has been employed to predict various flow patterns by assuming unsteady flow,immiscible liquid pair,constant liquid properties,and co-axial flow.From the grid independent study,we have selected 47 037 number of quadrilateral mesh elements for the entire geometry.Simulation successfully predicts almost all the flow patterns (viz.,plug,slug,stratified wavy,stratified mixed and annular),except dispersion of oil in water and dispersion of water in oil.Previous123456Next

Recommendations on flow correlations - KAPPA Eng

The study focuses on water-dominated flow regimes,close to bubbly flow,pseudo-slug flow,and chum flow.A drift-flux approach is taken to analyze the flow behavior of oil-water systems.Although simplistic,the proposed model appears to be quite robust in that it has reproduced a wide range of laboratory data from various sources.Study of Low Loading Heavier Phase in Horizontal Oil-Water This study looked at the flow regime of low water cut and low flow velocity oil and water flow using conductive film thickness probes in a large diameter 4-inch pipe to obtain oil and water interface height and the interface structural velocity.A wide range of 0.11.0 m/s oil and water mixture velocities was investigated for 0.55% water cut.Study of Phase Wetting in Three-Phase Oil-Water-Gas This work studies phase wetting regimes in three-phase oil-water-gas horizontal flow in a 0.1 m diameter carbon steel pipe in a flow loop,for flow conditions where

The Effects of Low Flow Rate Gas Involvement on Oil-Water

The experiments were conducted in a horizontal multiphase flow test loop (50mm inner diameter,40m long) to investigate the flow of oil/water and the influence of an involved gas phase with low flow rate in horizontal pipes,specifically including oil/water flow patterns,cross-section water holdup and pipe flow pressure gradient.The experimental results indicated that the involved gas with The horizontal pipeline flow of equal density oilwater The horizontal flow of equal density oilwater mixtures was investigated in a 1inch diameter laboratory pipeline.Oils of viscosities 6.29,16.8 and 65.0 centipoise were used in the experiments.

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