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Journal of Applied Sciences
  Year: 2009 | Volume: 9 | Issue: 22 | Page No.: 4032-4037
DOI: 10.3923/jas.2009.4032.4037
 
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Assessment of Compositional Heterogeneities of Core Samples from Harding (9/23b-10) and Gryphon (9/18b-17) Oil Columns

Salihu Aliyu

Abstract:
This study focuses on geochemical assessment of thirteen core samples from two wells (9/23b-10-Harding and 9/18b-17-Gryphon) that lie on the same block; so as to determine their compositional heterogeneities and to compare other biomarker parameters in these columns. Iatroscan TLC-FID showed that saturated, aromatic hydrocarbons, resins and asphaltene fractions were in agreement with where thermogenic hydrocarbons had existed. All the core samples were found to be associated with each other based on diagnostic biomarker parameters including Pris/Pris+Phy vs. C27βα Dias/ C27 sterane, Ts/Ts+Tm, 22S/22S+22R homohopane and the presence of 28,30 bisnorhopane from GC-MS analyses, which were related to their organic matter source and thermal maturity. This study reveals that vertical compositional heterogeneities remain in the two columns.
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How to cite this article:

Salihu Aliyu , 2009. Assessment of Compositional Heterogeneities of Core Samples from Harding (9/23b-10) and Gryphon (9/18b-17) Oil Columns. Journal of Applied Sciences, 9: 4032-4037.

DOI: 10.3923/jas.2009.4032.4037

URL: https://scialert.net/abstract/?doi=jas.2009.4032.4037

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