In this paper, solids deposition in 36 inch (0.914 m) x 47 km and 48 inch (1.219 m) x 19 km regions of a transmission oil pipeline are analyzed and several families-of-curves are generated to study the effect of solid particles’ average size; pipeline flow rate, diameter and fluid viscosity; and pipeline length on the deposition rate of solids with average density of 2500 kg/m3. To generate these curves only one variable is changed while other variables are held constant. Obtained family-of-curves may then be used to predict the amount of solids deposition inside the pipeline as a function time. Performed analysis is specifically focused on validating and optimizing the current maintenance pigging schedule under different pipeline operating conditions.

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