Journal of Geology & Geophysics
Open Access
ISSN: 2381-8719
ISSN: 2381-8719
Chiaghanam OI
Nigeria
Research Article
Reservoir Characterization of Sand Units Penetrated by Four Wells in the Nigerian Sector of the Chad Basin and its Implication for Hydrocarbon Generation and Accumulation
Author(s): Ofoma AE, Chiaghanam OI, Amobi JO and Okogbue COOfoma AE, Chiaghanam OI, Amobi JO and Okogbue CO
The reservoir properties of over six hundred sand units penetrated by four exploratory oil wells (Zy-01, Kt-01, Ks-01 & Kd-01) in the Nigerian sector of the Chad Basin Northeastern Nigeria was carried out using the PRIZM GeoGraphix software. Results of the evaluation show that eighty-seven sand units have good reservoir properties for all the wells. Their sand thicknesses are between -1 m and -160 m while averages of effective (φE), density (φD) and sonic porosities (φS) are between 10 & 41%, 10 & 54% and 10 & 89% respectively. These porosity results are fair to very good. Average shale volume content (Vshl) is between 23% & 67%, these values are beyond the acceptable limit in reservoirs. The averages of permeability (k) and fluid saturation (SwA & Sh) are between 15md & 7477.8md, 11% & 71% and 29% & 89% respectively. The permeability va.. View More»
DOI:
10.4172/2329-6755.1000183