Occurrence of naphthenate deposition in crude oil production field offshore Niger Delta

被引：0
|
作者：
Opeyemi Lawal
Solomon A. Adekola
Akinsehinwa Akinlua
机构：
[1] Obafemi Awolowo University,Department of Geology
[2] Obafemi Awolowo University,Fossil Fuels and Environmental Geochemistry, Department of Chemistry
来源：
Journal of Petroleum Exploration and Production | 2021年 / 11卷
关键词：
Naphthenate; Crude oil; Produced water; Metal ions; Niger delta;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Crude oil and produced water samples obtained from ten wells in an offshore field, Niger Delta, were analyzed, in order to determine the occurrence of naphthenates deposition in the field. Total acid number (TAN) and °API of the crude oil samples, pH and metal ions concentrations of the produced water samples were determined. The results revealed that TAN values ranged from 0.47 to 1.01 mgKOH/g with pH of 6.9–8.9, which were above established threshold. The metal ions concentrations especially for Ca++ and Na+ were relatively high. These imply a high possibility of metal-naphthenate precipitation in the oil production facilities in this field.
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页码：531 / 537
页数：6
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