Existence of a critical carbon number in the aging of a wax‐oil gel

Singh, Probjot; Youyen, Arm; Fogler, H. Scott

doi:10.1002/aic.690470921

Cited by 101 publications

(145 citation statements)

References 25 publications

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“…It also should be noted that, CCN depends on the composition of the wax oil mixture and wall temperature. System with higher CCN results from aged deposit will have a higher melting point and higher mechanical strength [10]. This mechanism applies for both cold finger and flow loop but not obvious for pour casting method as the cooling time is rapid.…”

Section: Basic Principlementioning

confidence: 99%

Laboratory Deposition Apparatus to Study the Effects of Wax Deposition on Pipe Magnetic Field Leakage Signals

Karim

Ismail

Awang

2014

MATEC Web of Conferences

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Abstract.Accurate technique for wax deposition detection and severity measurement on cold pipe wall is important for pipeline cleaning program. Usually these techniques are validated by conventional techniques on laboratory scale wax deposition flow loop. However conventional techniques inherent limitations and it is difficult to reproduce a predetermine wax deposit profile and hardness at designated location in flow loop. An alternative wax deposition system which integrates modified pour casting method and cold finger method is presented. This system is suitable to reproduce high volume of medium hard wax deposit in pipe with better control of wax deposit profile and hardness.

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Section: Basic Principlementioning

confidence: 99%

Laboratory Deposition Apparatus to Study the Effects of Wax Deposition on Pipe Magnetic Field Leakage Signals

Karim

Ismail

Awang

2014

MATEC Web of Conferences

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“…5 A great deal of work has been performed in the area of wax deposition applied to crude oils, 6 natural oils, 7,8 and alternative fuels. 9 These approaches include using a cold finger set-up; 5,8 -10 using a flow loop set-up; 4 a glass inner layer pipe; 11 using Nd-Fe-B magnets as a tool for improving transportation of waxy crude oil; 12 cooled heat exchanger tubes; 13 determining wax deposition using a heat transfer method; 14 solvent migration in a paraffin deposit; 15 and multiphase flow.…”

Section: Introductionmentioning

confidence: 99%

On the characterisation of wax deposition in an oscillatory baffled device

Ismail

Westacott

2006

J of Chemical Tech & Biotech

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Deposition from viscous fluids in industrial processes is a major nuisance during production of many useful materials ranging from oil to foodstuffs. In a cold-wall scenario rapid deposition of gel-like material causes restriction, processing delays and potentially reduction in product quality. One well-known example of this phenomenon is paraffin wax deposition, which is one of the greatest challenges in the petroleum industry, where the main implication is the blockage of oil. The aim of this work was to investigate the effect of applying oscillation on wax deposition, with the main focuses on the effects of oscillation frequencies and amplitudes, as well as the volume of the wax-oil mixture. Wax deposit formation was measured gravimetrically. The results indicate that baffles and oscillation reduce wax deposition; increasing both oscillation frequency and amplitude result in a decrease in wax deposition; and the degree of reduction is greater with changing oscillation amplitude than with frequency. It was also found that deposition on the column wall rather than the baffles was the main contribution to the total wax deposit.

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“…Quando eles contêm altos teores de parafina, estas encontram-se totalmente dissolvidas, assim o petróleo comporta-se como um fluido Newtoniano com baixa viscosidade (50). Porém, durante a produção, o óleo sofre um resfriamento ao atingir o leito marinho no qual a água do mar pode chegar até 4ºC, em profundidades elevadas (51).…”

Section: Petróleo Parafínicounclassified

Estudo Sobre a Influência Da Contração Do Petróleo Ao Gelificar No Reinício Do Escoamento

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Existence of a critical carbon number in the aging of a wax‐oil gel

Cited by 101 publications

References 25 publications

Laboratory Deposition Apparatus to Study the Effects of Wax Deposition on Pipe Magnetic Field Leakage Signals

Laboratory Deposition Apparatus to Study the Effects of Wax Deposition on Pipe Magnetic Field Leakage Signals

On the characterisation of wax deposition in an oscillatory baffled device

Estudo Sobre a Influência Da Contração Do Petróleo Ao Gelificar No Reinício Do Escoamento

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