Asphaltenic crude oil characterization: An experimental investigation of the effect of resins on the stability of asphaltenes

被引：41
|
作者：
Hammami, A
Ferworn, KA
Nighswander, JA [1 ]
Overa, S
Stange, E
机构：
[1] DB Robinson Res Ltd, Edmonton, AB, Canada
[2] Norsk Hydro AS, Stabekk, Norway
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 1998年 / 16卷 / 3-4期
关键词：
D O I：
10.1080/10916469808949782
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：
High performance liquid chromatography (HPLC) and Thin Layer Chromatographic (TLC) latroscan were used to characterize an asphaltenic stock tank oil (STO) from the North Sea. The whole STO was separated into saturates, aromatics, polars 1 (resins 1), polars 2 (resins 2) and asphaltene fractions. The separated resins (1) and the more polar resins (2), also termed asphaltene peptizing agents, were further characterized by HPLC in terms of their neutral, basic, pyrrolic and acidic components. Resins (1) and resins (2) were mixed in different proportions with whole (original) STO; the resulting mixtures were tested for asphaltene onsets of precipitation due to n-C5 injection at 25 degrees C and 690 kPa. Results of these tests are presented and the observed trends are explained in terms of resins characters and/or major constituents.
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收藏
页码：227 / 249
页数：23
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