Analysis of the Petroleum System Elements of the Amana Oil Field, East Abu Gharadig Basin, Western Desert, Egypt

Abu-Hashish, Mohamed F.; Aoudia, Mohamed; Said, Ahmed

doi:10.21608/jpme.2022.125833.1117

Cited by 3 publications

(2 citation statements)

References 7 publications

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“…Figure (2) shows the simplified thick stratigraphic section of the northern Western Desert which consists of a sedimentary sequence ranging from Pre-Cambrian to Recent [9; 23]. The AEB Formation (Early Cretaceous Neocomian-Barremian) is composed predominantly of sandstone intercalated with siltstone and shale and sometimes thin limestone and dolomite beds [19].…”

Section: Geological Settingmentioning

confidence: 99%

“…Five essential elements must exist in any petroleum system for a hydrocarbon prospect to exist. These main elements are the source rock, reservoir rock, seal rock, the trap and finally timing to permit all those processes of generation, migration, accumulation, and preservation to occur [1][2]. Aman oil field is located in the northern portion of the Western Desert at 60 km south of the Matruh coast, between X: 709200 and 719600 mE and Y: 294000 and 282800 mN (Lat.…”

Section: Introductionmentioning

confidence: 99%

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A new vision for hydrocarbon trapping of Alam El-Bueib Formation in Aman oil field using Fault seal analysis technique, northern Western Desert, Egypt.

Nabih

Ghoneimi²,

Essa³

et al. 2023

Journal of Petroleum and Mining Engineering

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This study aims to overcome the problem of unexpected hydrocarbon non-potentiality detected in Alam El-Bueib (AEB) member in Aman field. To achieve this objective, the structural framework and petrophysical analysis of the studied interval is carried out using seismic and well log data, respectively, then using the fault-seal analysis technique to assess the availability of the main fault dissecting AEB Formation to trap hydrocarbons. Structure depth contour maps and 3D structural model are constructed for illustrating the main structural features to assign and evaluate the most promising locations of closures favorable for hydrocarbon trapping. AEB III-E shows a general dipping to the northwest and south, constituting a horst fault-block dipping to the northwest. These structural settings are mostly three-way dipping and occasionally four-way dipping closures and accomplish the conditions for trapping of hydrocarbons. AEB III-E sandstone shows a porosity of 14 % to 16 % and water saturation near to 100 %, as reported by JASMIN-1X (J-1X) well. Fault seal analysis revealed that the main fault dissecting AEB Formation near J-1X well represents a leakage zone for hydrocarbon movability and its un-trapping in the location around the well. Finally, due to the good quality of AEB Formation in the study area ant its surroundings, a prospects prediction routine is carried out to search for other prospects. Two prospects are predicted which may be more favorable for hydrocarbon trapping.

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Section: Geological Settingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A new vision for hydrocarbon trapping of Alam El-Bueib Formation in Aman oil field using Fault seal analysis technique, northern Western Desert, Egypt.

Nabih

Ghoneimi²,

Essa³

et al. 2023

Journal of Petroleum and Mining Engineering

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Petroleum Geology of North Africa

Fello,

Deaf,

Leila

2024

Regional Geology Reviews

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3D geological and petrophysical modeling of Alam El-Bueib Formation using well logs and seismic data in Matruh Field, northwestern Egypt

Ali,

Deaf,

Mostafa

2024

Sci Rep

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There are several productive petroleum fields in the North Western Desert (WD) of Egypt, which received extensive investigations regarding their petroleum potential. However, a few studies tackled the Matruh Oil Field, which contains the oil prolific Early Cretaceous Alam El-Bueib Formation (AEB Fm) reservoir. The reservoir intervals of the AEB Fm show substantial lithological variations across the basin. Therefore, it is necessary to analyze the vertical and lateral distributions in terms of their lithological and petrophysical properties. To achieve this objective, wireline logs of four wells and 20-2D seismic lines were used to construct a depth-structure contour map for the studied part of the field. This map was used to build the field’s structure model and to identify the fault patterns in the basin through several seismic lines. Analyses of well logs data and lithology were used to estimate the petrophysical properties of AEB sandstone units AEB-1, AEB-3A, AEB-3C, and AEB-6. Results show that the AEB-6 Unit is the most promising hydrocarbon-bearing unit. It has a net pay of 20–160 feet, a shale volume of 5–20%, an effective porosity of 14–20%, and a hydrocarbon saturation of 70–88%. The structure-depth maps indicate a number of normal faults with two principal NE-SW and NW–SE trends, which probably act as structural traps in the Matruh Oil Field. The constructed structure-depth maps and calculated petrophysical parameters were used to build a three-dimensional reservoir model. A blind well was used to validate the accuracy and reliability of the facies, porosity, and saturation models for the AEB Fm units, ensuring a good match between log-derived data and built models. The AEB Fm shows regional heterogeneous variations in its petrophysical characteristics. It exhibits unconventional reservoir characteristics in a N–S direction and conventional reservoir characteristics in an E–W direction. This observed heterogeneity shows the need to carry out further investigations to comprehensively assess the hydrocarbon potential of AEB Fm in different areas of the Matruh Basin.

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Analysis of the Petroleum System Elements of the Amana Oil Field, East Abu Gharadig Basin, Western Desert, Egypt

Cited by 3 publications

References 7 publications

A new vision for hydrocarbon trapping of Alam El-Bueib Formation in Aman oil field using Fault seal analysis technique, northern Western Desert, Egypt.

A new vision for hydrocarbon trapping of Alam El-Bueib Formation in Aman oil field using Fault seal analysis technique, northern Western Desert, Egypt.

Petroleum Geology of North Africa

3D geological and petrophysical modeling of Alam El-Bueib Formation using well logs and seismic data in Matruh Field, northwestern Egypt

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