A seismic stratigraphic analysis and petroleum system characterization of the cretaceous sequence in central Walvis basin, offshore Namibia

dc.contributor.advisorMuchingami, Innocent
dc.contributor.authorDavid, Ester Lineekela Megameno
dc.date.accessioned2026-03-23T08:59:12Z
dc.date.available2026-03-23T08:59:12Z
dc.date.issued2025
dc.descriptionA thesis submitted in partial fulfillment of the requirements for the Degree of Master of Science in Petroleum Geology
dc.description.abstractThe Walvis Basin, situated along Namibia's passive margin, has long been recognized for its hydrocarbon potential. With only nine (9) exploration wells drilled to date, the Walvis Basin remains relatively under-explored. The uncertainties concerning the occurrence and preservation of mature source rocks and good reservoir lithofacies in the northern and central parts of the Walvis Basin remains exploration risks. This study aims to address this gap by carrying out a seismic stratigraphic analysis of 2D seismic data and well data in the Central Walvis Basin. Nine (9) seismic intervals (SI) have been identified spanning Late Jurassic to Cretaceous based on seismic character and well log data corresponding to the evolutionary stages of the Walvis Basin. The proposed seismic sequence stratigraphy model suggests source, reservoir, trap, and seal rocks in both the syn-rift and post-rift successions of the study area. Source rocks deposited in Cenomanian to Turonian period, based on well data and modelling the Cenomanian-Turonian marine source rock is in the early maturity window with total organic carbon (TOC) levels ranging from 0.63% to 5.86%, averaging at 2.02% in the study area. Additionally, marine Aptian/Albian oil-prone source rocks were identified by prominent distinct parallel high-amplitude horizons which can also serve as a seal rock. Potential Reservoir rocks were identified in Cenomanian and Santonian levels and at Upper Campanian/Maastrichtian indicating the potential for hydrocarbon exploration in the basin. This research will contribute to our understanding of the geological history of the Walvis Basin and offer valuable insights into its hydrocarbon potential, hydrocarbon prospectivity of this underexplored basin
dc.identifier.urihttp://hdl.handle.net/11070/4211
dc.language.isoen
dc.publisherUniversity of Namibia
dc.subjectHydrocarbon
dc.subjectLithofacies
dc.subjectSeismic stratigraphy
dc.subjectPetroleum system
dc.subjectWalvis basin
dc.subjectNamibia
dc.subjectUniversity of Namibia
dc.titleA seismic stratigraphic analysis and petroleum system characterization of the cretaceous sequence in central Walvis basin, offshore Namibia
dc.typeThesis
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