January 1984
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13 Reads
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182 Citations
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Publications (3)
January 1978
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14 Reads
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75 Citations
January 1978
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126 Reads
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721 Citations
AAPG Bulletin
The Tertiary Niger delta covers an area of about 75,000 sq km and is composed of an overall regressive clastic sequence which reaches a maximum thickness of 30,000 to 40,000 ft (9,000 to 12,000 m). The development of the delta has been dependent on the balance between the rate of sedimentation and the rate of subsidence. The source rocks of the Niger delta yield a light waxy paraffinic oil, which is transformed bacterially to a heavier nonwaxy crude at temperatures below 150 to 180 degree F. The observed uneven distribution of oil and gas in the delta cannot be explained in terms of the passage of the source rocks through the oil-generating zone into the gas-generating zone, with early structures receiving mainly oil and late traps receiving mainly gas. Rather, the hydrocarbon distribution probably is the result of original heterogeneity of the source rock and of segregation during migration and remigration.
Citations (3)
... The study area is located in the Niger Delta Basin. Previous authors (eg., Burke et al., 1971;Evamy et al., 1978;Hoque & Nwajide, 1984;Murat, 1972;Nwajide, 2013) have given a summary of the geologic setting of the Niger Delta Basin. The previous studies documented three major tectonic phases for the southeastern Nigerian sedimentary basins. ...
- Citing Chapter
January 1984
... The stratigraphy, Sedimentology, structural configuration and paleo environent during which the reservoir rocks accumulated are studies by various workers. These include (Short and Stauble, 1967;Weber, 1971;Weber and Daukoru, 1975;Evamy et al;1978;Rider;2002;Selley, 1978 (Omoboh and Odigi, 2020). Reservoir is a subsurface rock that has permeability and effective porosity which contains commercially exploitable quantity of hydrocarbon. ...
- Citing Article
January 1978
... This geological marvel is traversed by various ancillary elements in the northern quadrant, including the Abakaliki Basin, the Calabar Flank, and the Anambra Basin 8 . The geological evolution of the Niger Delta basin is intricately influenced by both pre-and syn-sedimentary tectonic activities, as elucidated by [10][11][12] . Preceding sedimentation, Cretaceous Fracture zones were engendered through pre-sedimentary tectonic activities, manifesting prominently as trenches and ridges within the deep Atlantic. ...
- Citing Article
January 1978
AAPG Bulletin