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ARPN Journal of Science and Technology >> Volume 7, Issue 1, January 2017

ARPN Journal of Science and Technology


Determination of Organic Matter Richness for Agbada Formation, Osioka South Area, Western Niger Delta, Nigeria

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Author E. K. Nyantakyi, T. Li, W. Hu, J. K. Borkloe, P. A. Owusu, R.D. Nagre
ISSN 2225-7217
On Pages 798-807
Volume No. 3
Issue No. 8
Issue Date September 01, 2013
Publishing Date September 01, 2013
Keywords Agbada formation, core samples, hydrocarbon source rocks, organic matter richness.



Abstract

The study determined organic richness of Agbada formation located in the Osioka area of Western Niger Delta. Thirty (30) Core samples from a well in Oil Mining Lease, OML 65 were subjected to geochemical analysis to determine the total organic carbon content (TOC) and soluble organic matter (SOM) levels. The TOC values were between 1.60w% - 1.80w% with a mean value of 1.6503w%, while the SOM values ranged from 0.0027% to 1.514894% with a mean value of 0.3347%. The values were above the standard minimum threshold of source rock hydrocarbon generation potential. The minimum threshold TOC value in the Niger Delta is 0.5% compared to higher values obtained from the Agbada formation. The mean SOM value of 0.3347% was also indicative of good hydrocarbon source rock potential for the 30 core samples studied. The transformation ratio (TR) was 0.1969 compared to the minimum threshold value of 0.16. The core samples from the studied depth slice were therefore regarded as good organic matter richness for hydrocarbon source rock.


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