Measurements and correlation of Mexican heavy dead crude oil viscosities

被引:14
作者
de la Cruz, Jose L. Mendoza [1 ]
Alvarez-Badillo, Sergio [2 ]
Ramirez-Jaramillo, Edgar [1 ]
Aquino-Olivos, Marco A. [1 ]
Orea, Pedro [3 ]
机构
[1] Inst Mexicano Petr, Mexico City 07730, DF, Mexico
[2] Inst Mexicano Petr, Direcc Invest & Posgrado, Mexico City 07730, DF, Mexico
[3] Inst Mexicano Petr, Programa Ingn Mol, Mexico City 07730, DF, Mexico
关键词
heavy dead crude oil; dynamic viscosity; correlation; viscometer; PVT PROPERTIES; PREDICTION; MIXTURES; PENTANE; LIGHT;
D O I
10.1016/j.petrol.2013.09.003
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
This work presents reliable measurements for dynamic viscosity of representative heavy oil samples from Mexican reservoirs. Most of the experimental data of dynamic viscosity were measured using a constant force electromagnetic viscometer. The viscometer was calibrated using several viscosity standards based on a maximum standard deviation of 0.5% in all measurements for the three pistons used. Dynamic viscosities of heavy dead crude oils were obtained at a temperature range from 397.1 to 300.8 K, viscosities in the range of 10.9-7476.7 cP, oil API gravity from 11.5 to 19.4, and at a constant pressure of 0.1 MPa. The estimated uncertainty on viscosity was less than +/- 1.0% over the temperature range of measurements. A new correlation approach was developed to estimate dynamic viscosities of Mexican heavy crude oils based on oil API gravity, and temperature. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:184 / 192
页数:9
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