Sequence stratigraphic analysis and hydrocarbon prospectivity of AMO Field, deep offshore Niger Delta, Nigeria

An integrated interpretation of processed 3D seismic data, a suite of well logs, biostratigraphic data and core photographs of AMO Field, deep offshore Niger Delta, is carried out for the sequence stratigraphic analysis of strata penetrated by wells. Lithologic and key stratigraphic surfaces, that i...

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Autores principales:	Adeniyi Amodu, Oluwaseye Peter Oyetade, Suyi Lawrence Fadiya, Oluwabamiwa Fowora
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2022
Materias:	Sequence stratigraphy Bioevents Depositional environment AMO Field Niger Delta Production of electric energy or power. Powerplants. Central stations TK1001-1841
Acceso en línea:	https://doaj.org/article/88a151e4b0044b45ab432834854a0e58
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spelling	oai:doaj.org-article:88a151e4b0044b45ab432834854a0e582021-11-28T04:39:24ZSequence stratigraphic analysis and hydrocarbon prospectivity of AMO Field, deep offshore Niger Delta, Nigeria2666-759210.1016/j.engeos.2021.11.003https://doaj.org/article/88a151e4b0044b45ab432834854a0e582022-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666759221000627https://doaj.org/toc/2666-7592An integrated interpretation of processed 3D seismic data, a suite of well logs, biostratigraphic data and core photographs of AMO Field, deep offshore Niger Delta, is carried out for the sequence stratigraphic analysis of strata penetrated by wells. Lithologic and key stratigraphic surfaces, that is, the maximum flooding surfaces (MFSs) and sequence boundaries (SBs), are identified based on bioevents and log motifs. Biostratigraphic data help the delineation of MFSs and SBs, as well as dating, determination of depositional environment and paleobathymetry. The sequence stratigraphic study reveals seven MFSs (of 13.0 Ma, 11.0 Ma, 9.5 Ma, 7.4 Ma, 5.8 Ma, 5.0 Ma and 2.7 Ma) and six SBs (of 12.1 Ma, 10.3 Ma, 8.5 Ma, 6.3 Ma, 5.5 Ma and 4.2 Ma). The key stratigraphic surfaces identified involve three depositional sequences characterized by lowstand, transgressive and highstand system tracts respectively. The studied section is deposited in a deepwater environment ranging from Lower to Upper Bathyal and can be dated back to the Middle Miocene - Middle Pliocene in age. Seven faults and two horizons (corresponding to reservoir units) are identified and mapped across the seismic data volume to establish a continuity of the reservoir to areas lacking well control. The established sequence stratigraphic framework displays successions of sediments (system tracts) where the reservoir sand units of the lowstand and highstand system tracts are of hydrocarbon prospective units in the field.Adeniyi AmoduOluwaseye Peter OyetadeSuyi Lawrence FadiyaOluwabamiwa FoworaKeAi Communications Co., Ltd.articleSequence stratigraphyBioeventsDepositional environmentAMO FieldNiger DeltaProduction of electric energy or power. Powerplants. Central stationsTK1001-1841ENEnergy Geoscience, Vol 3, Iss 1, Pp 80-93 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Sequence stratigraphy Bioevents Depositional environment AMO Field Niger Delta Production of electric energy or power. Powerplants. Central stations TK1001-1841
spellingShingle	Sequence stratigraphy Bioevents Depositional environment AMO Field Niger Delta Production of electric energy or power. Powerplants. Central stations TK1001-1841 Adeniyi Amodu Oluwaseye Peter Oyetade Suyi Lawrence Fadiya Oluwabamiwa Fowora Sequence stratigraphic analysis and hydrocarbon prospectivity of AMO Field, deep offshore Niger Delta, Nigeria
description	An integrated interpretation of processed 3D seismic data, a suite of well logs, biostratigraphic data and core photographs of AMO Field, deep offshore Niger Delta, is carried out for the sequence stratigraphic analysis of strata penetrated by wells. Lithologic and key stratigraphic surfaces, that is, the maximum flooding surfaces (MFSs) and sequence boundaries (SBs), are identified based on bioevents and log motifs. Biostratigraphic data help the delineation of MFSs and SBs, as well as dating, determination of depositional environment and paleobathymetry. The sequence stratigraphic study reveals seven MFSs (of 13.0 Ma, 11.0 Ma, 9.5 Ma, 7.4 Ma, 5.8 Ma, 5.0 Ma and 2.7 Ma) and six SBs (of 12.1 Ma, 10.3 Ma, 8.5 Ma, 6.3 Ma, 5.5 Ma and 4.2 Ma). The key stratigraphic surfaces identified involve three depositional sequences characterized by lowstand, transgressive and highstand system tracts respectively. The studied section is deposited in a deepwater environment ranging from Lower to Upper Bathyal and can be dated back to the Middle Miocene - Middle Pliocene in age. Seven faults and two horizons (corresponding to reservoir units) are identified and mapped across the seismic data volume to establish a continuity of the reservoir to areas lacking well control. The established sequence stratigraphic framework displays successions of sediments (system tracts) where the reservoir sand units of the lowstand and highstand system tracts are of hydrocarbon prospective units in the field.
format	article
author	Adeniyi Amodu Oluwaseye Peter Oyetade Suyi Lawrence Fadiya Oluwabamiwa Fowora
author_facet	Adeniyi Amodu Oluwaseye Peter Oyetade Suyi Lawrence Fadiya Oluwabamiwa Fowora
author_sort	Adeniyi Amodu
title	Sequence stratigraphic analysis and hydrocarbon prospectivity of AMO Field, deep offshore Niger Delta, Nigeria
title_short	Sequence stratigraphic analysis and hydrocarbon prospectivity of AMO Field, deep offshore Niger Delta, Nigeria
title_full	Sequence stratigraphic analysis and hydrocarbon prospectivity of AMO Field, deep offshore Niger Delta, Nigeria
title_fullStr	Sequence stratigraphic analysis and hydrocarbon prospectivity of AMO Field, deep offshore Niger Delta, Nigeria
title_full_unstemmed	Sequence stratigraphic analysis and hydrocarbon prospectivity of AMO Field, deep offshore Niger Delta, Nigeria
title_sort	sequence stratigraphic analysis and hydrocarbon prospectivity of amo field, deep offshore niger delta, nigeria
publisher	KeAi Communications Co., Ltd.
publishDate	2022
url	https://doaj.org/article/88a151e4b0044b45ab432834854a0e58
work_keys_str_mv	AT adeniyiamodu sequencestratigraphicanalysisandhydrocarbonprospectivityofamofielddeepoffshorenigerdeltanigeria AT oluwaseyepeteroyetade sequencestratigraphicanalysisandhydrocarbonprospectivityofamofielddeepoffshorenigerdeltanigeria AT suyilawrencefadiya sequencestratigraphicanalysisandhydrocarbonprospectivityofamofielddeepoffshorenigerdeltanigeria AT oluwabamiwafowora sequencestratigraphicanalysisandhydrocarbonprospectivityofamofielddeepoffshorenigerdeltanigeria
_version_	1718408271519285248

Sequence stratigraphic analysis and hydrocarbon prospectivity of AMO Field, deep offshore Niger Delta, Nigeria

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