Calculation method for the amount of contaminant oil during sequential transportation through product oil pipelines
Title
Calculation method for the amount of contaminant oil during sequential transportation through product oil pipelines
Subject
Mixing
Petroleum industry
Petroleum refining
Petroleum pipelines
Petroleum transportation
Flow velocity
Volume fraction
Description
A considerable amount of oil contamination is caused by the presence of the trailing oil. This paper aims to simulate and analyze the influences of trailing oil on the quality of oil products in undulating sections. By studying the formation mechanism of mixed oil at inclining pipeline sections and the influences of velocity and oil batches on incline sections, as well as both ups and downs, the correlation is obtained between replacement time of different batches and velocity at various sections. By applying FLUENT 14.5, the maximum time of volume fraction of contaminant oil from 1% to 99% is simulated at cross-sections among different pipeline sections. Aiming at the relationship between oil product replacement time and change time of mixing section volume fraction and flow velocity, the mixing increment of undulating section relative to straight section is obtained. Combining with the empirical mixing length calculation equation, the equation for calculating mixing length considering terrain undulation is obtained. Combined with the actual operation data of Lan-Chengyus product oil pipeline, the error of the new mixed oil length calculation equation and actual oil mixing is 0.7966%. Excessive cutting amount of mixed oil will result in the waste of refined oil, and the less cutting amount will cause pollution of refined oil. The new mixed oil length calculation equation can more accurately guide the oil mixing cutting work at the oil station. The Author(s) 2020.
1014-1033
4
38
Publisher
Energy Exploration and Exploitation
Date
2020
Contributor
Liu, Enbin
Li, Wensheng
Cai, Hongjun
Qiao, Weibiao
Azimi, Mohammadamin
Type
journalArticle
Identifier
1445987
10.1177/0144598720911158
Collection
Citation
“Calculation method for the amount of contaminant oil during sequential transportation through product oil pipelines,” Lamar University Midstream Center Research, accessed May 18, 2024, https://lumc.omeka.net/items/show/26507.