Mathematical modelling of wax deposition in crude oil pipelines (comparative study)

被引：22

作者：

Kok, MV ^{[1
]}

Saracoglu, RO ^{[1
]}

机构：

[1] Middle E Tech Univ, Dept Petr & Nat Gas Engn, TR-06531 Ankara, Turkey

来源：

PETROLEUM SCIENCE AND TECHNOLOGY | 2000年 / 18卷 / 9-10期

关键词：

crude oil pipeline; wax thickness; temperature profile; solid-liquid equilibrium constant; wax mole fraction;

D O I：

10.1080/10916460008949895

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this research, war, deposition in different crude oil pipeline systems was studied. In oil pipelines, the main mechanism for wax appearance is the temperature change along the pipeline. A computer program was developed to simulate the wax precipitation phenomena. Temperature profile along the pipeline was determined and solid liquid equilibrium constant, wax mole fraction and wax thickness along the pipeline were calculated. This computer program was applied to different crude oil pipeline systems in Iraq (Baiji-Daura, Rumaila-Zubair-Fao and Haditha-Rumailia). In Haditha-Rumaila crude oil pipeline system, it was observed that wax thickness after a year is approximately 0.1 mm and temperature declined from 303 K to around 300.5 K. The wax mole fraction after a year is approximately 0.2. The solid-liquid equilibrium constant for the first component around 0.228 and around 165 for the second component after a year. Similar results were observed in other crude oil pipeline systems studied.

引用

页码：1121 / 1145

页数：25

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