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- Title
EVALUATION OF THERMAL MATURATION INDICES IN SEDIMENTARY BASINS: IMPLICATIONS TO HYDROCARBON POTENTIALS IN BORNU BASIN NIGERIA.
- Authors
Nwankwo, Cyril N.; Nwosu, Leonard I.
- Abstract
Effort is made in this study to establish the hydrocarbon potential of the Bornu Basin by analyzing the thermal maturation indices in 14 exploratory Wells in the area. The time-temperature index, virtrinite reflectance and maturation index were modeled to establish the thermal maturity condition of the basin, based on established geothermal gradient, subsurface temperature and burial history. The estimated TTI values derived from Lopatin's method was compared with the measured Ro to validate the accuracy of the findings. The results show that sediments from late Santonian units in the basin have reached sufficient thermal maturity to generate hydrocarbons. The peak of the maturation at about 3920 m when TTI is 68.8 and Ro of 1.33, occurs at about 99.5 Ma. The onset of maturation is defined by TTI of 15 at sediment of 3920m occurs at 108 Ma.
- Publication
Petroleum & Coal, 2016, Vol 58, Issue 2, p143
- ISSN
1335-3055
- Publication type
Academic Journal