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International Journal of Oil, Gas and Coal Engineering

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Volume 2, Issue 4, July 2014

  • Mathematical Correlation Predicting Stock Tank Oil Density for Egyptian Crude Oils at Standard Conditions

    A. N. El-Hoshoudy, S. E. M. Desouky, M. A. Betiha, S. Abdelraouf, M. Elaily

    Issue: Volume 2, Issue 4, July 2014
    Pages: 55-58
    Received: 2 August 2013
    Accepted: 20 August 2014
    Published: 30 August 2014
    DOI: 10.11648/j.ogce.20140204.11
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    Abstract: Liquid density is one of the most important governing physical parameter of the fluid flow. Generally, oil density measured at standard conditions (14.65 psia and 60 °F) via Density Meter. Since there is a remarkable difference between calculated density from compositional analysis and measured one at standard conditions. So it is of great importan... Show More
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  • The XPS Analysis of Surface Texture of Different-Density-Level Coking Coal of Fenxi County

    Ge Tao, Zhang Mingxu, Min Fanfei

    Issue: Volume 2, Issue 4, July 2014
    Pages: 59-65
    Received: 14 August 2014
    Accepted: 28 August 2014
    Published: 10 September 2014
    DOI: 10.11648/j.ogce.20140204.12
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    Abstract: In the present paper, X-ray photoelectron spectrum (XPS) is used to reveal the surface texture, main elements and occurrence mode of different-density-level sample coal of Fenxi County. The experimental results demonstrate that: (1) there is an extremely low content of nitrogen in the sample coal; (2) carbon mainly exists in the form of C-C and the... Show More
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