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99034 HOW OPERATING AND ENVIRONMENTAL CONDITIONS AFFECT EROSION

Product Number: 51300-99034-SG
ISBN: 99034 1999 CP
Author: B.S. McLaury, S.A. Shirazi, J.R. Shadley, and E.F. Rybicki
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Sand in producing wells can result in severe erosion even resulting in failure. This work investigates the effect of a variety of parameters such as diameter, flow velocity, particle size, and fluid properties on the severity of erosion for an elbow. The elbow is selected since it redirects the flow and experiences erosion from the impact of sand particles that do no follow the streamlines of the flow and impinge the pipe wall. A model previously developed for single-phase flow is presented and extended in this work for use with multiphase flow. Results for the maximum penetration rate in an elbow are examined for many parameters in both single-phase and multiphase flow. By assuming an allowable penetration rate, the erosion prediction model can also be used to determine the threshold velocity that would result in this penetration rate. The threshold erosional velocity curves are also generated for the multiphase flow cases. Kevwords: erosion, single-phase flow, multiphase flow, mechanistic model
Sand in producing wells can result in severe erosion even resulting in failure. This work investigates the effect of a variety of parameters such as diameter, flow velocity, particle size, and fluid properties on the severity of erosion for an elbow. The elbow is selected since it redirects the flow and experiences erosion from the impact of sand particles that do no follow the streamlines of the flow and impinge the pipe wall. A model previously developed for single-phase flow is presented and extended in this work for use with multiphase flow. Results for the maximum penetration rate in an elbow are examined for many parameters in both single-phase and multiphase flow. By assuming an allowable penetration rate, the erosion prediction model can also be used to determine the threshold velocity that would result in this penetration rate. The threshold erosional velocity curves are also generated for the multiphase flow cases. Kevwords: erosion, single-phase flow, multiphase flow, mechanistic model
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08572 Erosion-Corrosion in Disturbed Liquid/Particle Flow

Product Number: 51300-08572-SG
ISBN: 08572 2008 CP
Author: Joshua Addis, Srdjan Nesic, and Bruce Brown
Publication Date: 2008
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