Hydrocarbon field evaluation: case study of ‘Tadelu’ field shallow offshore Western Niger Delta, Nigeria

Adelu, Adewunmi Oluwaseun; Sanuade, Oluseun Adetola; Oboh, E. Goodluck; Offeh, Ogheneworo E.; Adewale, Taiwo; Mumuni, O. Stephen; Oladapo, Ilesanmi Michael; Omolaiye, E. Gabriel

doi:10.1007/s12517-015-2028-8

Cited by 11 publications

(4 citation statements)

References 9 publications

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“…The netto-gross ratio (NTG) describes the sandstone quality within Abu-Roash C Member as a potential sandy reservoir. The reservoir quality is better with higher NTG values [37,38].…”

Section: Vertical Variation Settingmentioning

confidence: 99%

Improving Hydrocarbon Prospect Evaluation at Badr El Din-3 and Badr El Din-15 Oil Fields by Integrating 3D Structural Modeling and Petrophysical Analysis for Abu-Gharadig Basin, North of Western Desert, Egypt

et al. 2022

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The BED-3 and BED-15 oil fields are situated in the northwestern portion of the Abu-Gharadig sedimentary basin. The Basin is an E–W trending intracratonic rift basin and ranges in age between the Late Jurassic and Early Cretaceous. Significant extension events, followed by subsidence, took place throughout the Middle Jurassic and continued to the Cretaceous. The relative movement of Africa toward Laurasia in the Jurassic changed from eastward to westward between the Early Cretaceous and the Santonian. Therefore, a compressive force due to the change in direction affected the African plate and gave rise to the reversal of basins (such as the Abu-Gharadig sedimentary basin). Inverted anticlines are important structural traps for hydrocarbons that were formed by the compressional forces acting on the Abu-Gharadig sedimentary basin. This study primarily focuses on understanding the BED-3 and BED-15 fileds' structural style, in addition to the subsurface structure that has participated in the petroleum accumulation in the Abu-Roash C Member (Abu-Roash Formation) in the oil fields, in order to maximize oil recovery in these two fields through new wells. The aim of this study was achieved based on information from 30 two-dimensional seismic profiles integrated with well log data from nine boreholes. The Abu-Roash C reservoir represented by two horizons, in addition to minor and major faults, are recognized and marked. Structural trend in the study area ranges from ESE–WNW to NW–SE, and structures consist of folds and faults, forming horsts, grabens, and half-grabens, all of which are favorable for hydrocarbon accumulation. The petrophysical analysis performed on the BED3-8 well shows approximately 87.4% hydrocarbon saturation within the reservoir rock, while the hydrocarbon saturation of the available wells in BED-15 is calculated to vary between 56.1 and 78.8%. Hence, this study suggests that BED-3 and BED-15 oilfields have an excellent chance of producing hydrocarbons.

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“…The netto-gross ratio (NTG) describes the sandstone quality within Abu-Roash C Member as a potential sandy reservoir. The reservoir quality is better with higher NTG values [37,38].…”

Section: Vertical Variation Settingmentioning

confidence: 99%

Improving Hydrocarbon Prospect Evaluation at Badr El Din-3 and Badr El Din-15 Oil Fields by Integrating 3D Structural Modeling and Petrophysical Analysis for Abu-Gharadig Basin, North of Western Desert, Egypt

et al. 2022

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“…The thicker paralic sandstones represent good reservoir facies within the Agbada Formation, with a porosity value of 40% and a permeability of 2000 mD (Edwards and Santagrossi 1990;Adelu et al 2016). The growth faults led to the lateral variations in reservoir thickness (Tuttle et al 1999).…”

Section: Petroleum Systemmentioning

confidence: 99%

An integrated source rock potential, sequence stratigraphy, and petroleum geology of (Agbada-Akata) sediment succession, Niger delta: application of well logs aided by 3D seismic and basin modeling

Diab

Sanuade

Radwan

2022

J Petrol Explor Prod Technol

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We investigated the source rock potential, sequence stratigraphy, and characterized hydrocarbon reservoirs at Otumara field, Niger delta, using integrated 3D seismic, wireline log analysis, and basin modeling. The burial history and thermal maturity were modeled, the reservoirs were delineated, and the petrophysical parameters were also estimated from the wireline logs. The Passey “ΔLog R” method for estimating the preliminary evaluations of the total organic carbon (TOC) from integrating sonic, neutron, and density with resistivity has been used. The results indicate that the primary source rock of hydrocarbons is the Upper Akata Formation, despite a higher TOC percentage in the Agbada Formation. Based on sequence stratigraphy analysis, TA4, TB1, TB2, and TB3 second-order supercycles were obtained in the studied well TD46. The results also revealed that the field has two large net pays with high-quality reservoir facies: a deltaic slope fan at the upper shoreface and a river mouth sandbar at the lower shoreface. Furthermore, the reservoirs were faulted by a series of growing faults that faulted the basin slope. The reservoir facies are characterized by an average of 18% porosity, 1200 mD permeability, 16% volume of shale, and high hydrocarbon saturation of about 85%. Finally, the petroleum system elements have been defined for improved hydrocarbon exploration. In the absence of complete or partial core samples, this case study emphasizes the importance of using wireline logs to estimate organic richness and investigate sequence stratigraphy in clastic sediments.

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“…The net-to-gross ratio (NTG) of the Abu Roash "C" Member as a prospective sandy reservoir describes the sandstone quality. The higher the NTG rating, the better the reservoir quality (Al-Baldawi, 2014; Adelu et al, 2016).…”

Section: Hydrocarbon Saturation Distributionmentioning

confidence: 99%

Petrophysical Evaluation and Hydrocarbon Potentialities of the Abu Roash C Member of the Abu Roash Formation, Badr El Din-3 and Badr El Din-15 Oil Fields, Abu Gharadig Basin, Northern Western Desert, Egypt

Taha

Abdelhafeez²,

El-Hady³

et al. 2022

Delta Journal of Science

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WSW-oriented, and ranges in age between the Late Jurassic and EarlyCretaceous. The presence of sandstone streaks in the Abu Roash "C" Member of the Abu-Roash Formation, which has a relatively high resistivity signature in the electric logs in most wells within these fields, is the primary reason for investigating its petrophysical parameters in order to describe the main characteristics of these sands and to assess their ability for hydrocarbon accumulation as well as production. The aim of this study was completed based on information from well log data from nine boreholes. The petrophysical evaluation of the BED3-8 well reveals approximately 87.4% oil saturation within the reservoir rock, whereas the hydrocarbon saturation of the other wells in BED-15 is estimated to vary between 56.1 and 78.8%. As a result, this study reveals that the BED-3 and BED-15 oil fields have a high probability of producing hydrocarbons.

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Hydrocarbon field evaluation: case study of ‘Tadelu’ field shallow offshore Western Niger Delta, Nigeria

Cited by 11 publications

References 9 publications

Improving Hydrocarbon Prospect Evaluation at Badr El Din-3 and Badr El Din-15 Oil Fields by Integrating 3D Structural Modeling and Petrophysical Analysis for Abu-Gharadig Basin, North of Western Desert, Egypt

Improving Hydrocarbon Prospect Evaluation at Badr El Din-3 and Badr El Din-15 Oil Fields by Integrating 3D Structural Modeling and Petrophysical Analysis for Abu-Gharadig Basin, North of Western Desert, Egypt

An integrated source rock potential, sequence stratigraphy, and petroleum geology of (Agbada-Akata) sediment succession, Niger delta: application of well logs aided by 3D seismic and basin modeling

Petrophysical Evaluation and Hydrocarbon Potentialities of the Abu Roash C Member of the Abu Roash Formation, Badr El Din-3 and Badr El Din-15 Oil Fields, Abu Gharadig Basin, Northern Western Desert, Egypt

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