Microfloral Biozonation and Stratigraphic Correlation of Wells V, W and X in Mungo Field, Niger Delta Basin
Abstract
Microfloral biozonation and stratigraphic correlation of Miocene-Pliocene sediments of wells V, W, and X were carried out. One hundred and eighty (180) ditch cuttings at 20 m depth intervals of (2740-4000m), (2220-3420m), and (460-1540m) from the Mungo Field were analysed for zoning, dating and correlating of stratigraphic intervals of the wells. The samples were subjected to standard palynological laboratory processes, which involved the maceration of samples with acids and bases to remove the drill muds. Lithologically, the samples consist predominantly fine to medium grained sand with shale intercalations which conformed to the paralic Agbada Formation. The recovery yielded low to moderate palynomorphs within the sampled intervals. A total of eight hundred (800) palynomorph species were retrieved from the wells. Four palynozones were established, which are: zones A: Nympheapollis clarus -Retistephanocolpites gracillis, zone B: Peregrinipollis nigericus - Retibrevitricolporites protrudens zone C: Stereisporites sp - Cyperaceopollis sp, and zone D: Multiareolites formosus – Monoporites annulatus. The stratigraphic intervals infiltrated Late Miocene - Early Pliocene age based on the recovered age diagnostic species such as Multiareolites formosus, Verrutricolporites rotundiporus, Crassoretitriletes vanraadshoveni and Racemonocolpites hians. The sequence stratigraphic interpretation probably points to the penetration of ?7.4/Me*Ma MFS - 2.7/Ge*1Ma MFS belonging to the Tortonian - Gelasian stages. The assessment of the wells showed that more palynomorphs were recovered from X well followed by V and W wells. The sediments of the wells deposited in a shallow marine environment within the upper to lower shoreface depositional environments.
Keywords
Biozonation, Stratigraphy, Correlation, Niger Delta
Citations
IRE Journals:
Victoria Okereke, Onema Adojoh "Microfloral Biozonation and Stratigraphic Correlation of Wells V, W and X in Mungo Field, Niger Delta Basin" Iconic Research And Engineering Journals Volume 7 Issue 3 2023 Page 848-855 https://doi.org/10.64388/IREV7I3-1712049
IEEE:
Victoria Okereke, Onema Adojoh
"Microfloral Biozonation and Stratigraphic Correlation of Wells V, W and X in Mungo Field, Niger Delta Basin" Iconic Research And Engineering Journals, 7(3) https://doi.org/10.64388/IREV7I3-1712049
About IRE Journals
IRE Journals is an open access online journals established with an aim to publish high quality of research work in various diciplines. We have more than 6 years in publications. Over 2500+ papers already published.
Important Links
For Authors
Volume 8:
Issue 1, Issue 2, Issue 3, Issue 4, Issue 5, Issue 6, Issue 7, Issue 8, Issue 9, Issue 10, Issue 11, Issue 12Volume 7:
Issue 1, Issue 2, Issue 3, Issue 4, Issue 5, Issue 6, Issue 7, Issue 8, Issue 9, Issue 10, Issue 11, Issue 12Volume 6:
Issue 1, Issue 2, Issue 3, Issue 4, Issue 5, Issue 6, Issue 7, Issue 8, Issue 9, Issue 10, Issue 11, Issue 12Volume 5:
Issue 1, Issue 2, Issue 3, Issue 4, Issue 5, Issue 6, Issue 7, Issue 8, Issue 9, Issue 10, Issue 11, Issue 12Volume 4:
Issue 1, Issue 2, Issue 3, Issue 4, Issue 5, Issue 6, Issue 7, Issue 8, Issue 9, Issue 10, Issue 11, Issue 12Volume 3:
Issue 1, Issue 2, Issue 3, Issue 4, Issue 5, Issue 6, Issue 7, Issue 8, Issue 9, Issue 10, Issue 11, Issue 12