Advancing neogene-quaternary reservoir characterization in offshore Nile Delta, Egypt: high-resolution seismic insights and 3D modeling for new prospect identification

This study presents a comprehensive characterization of the Neogene-Quaternary formations within the offshore Temsah gas field, which is approximately 65 km NNW of Port Said offshore the Nile Delta Basin. By integrating seismic and well log data, we constructed a detailed static reservoir model to a...

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Bibliographic Details
Published in:	Environmental earth sciences Vol. 83; no. 20; p. 581
Main Authors:	Reda, Mohamed, El-Gendy, Nader H., Raef, Abdelmoniem, Elmashaly, Mohamed M., AlArifi, Nasir, Barakat, Moataz Kh
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer Berlin Heidelberg 01-10-2024 Springer Nature B.V
Subjects:	Biogeosciences Earth and Environmental Science Earth Sciences Earthquake construction Environmental Science and Engineering Fault detection Fault location Geochemistry Geological structures Geology Hydrocarbons Hydrology/Water Resources Neogene Offshore Offshore structures Oil and gas exploration Oil and gas fields Oil exploration Original Article Parameter estimation Parameter identification Petroleum Quaternary Reservoirs Rocks Sandstone Sedimentary facies Sedimentary rocks Seismic activity Shale Shales Spatial distribution Terrestrial Pollution Three dimensional models Nile Delta 3D structure model High resolution seismic interpretation 3D property models Temsah field New prospect definition Facies interpretation
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Summary:	This study presents a comprehensive characterization of the Neogene-Quaternary formations within the offshore Temsah gas field, which is approximately 65 km NNW of Port Said offshore the Nile Delta Basin. By integrating seismic and well log data, we constructed a detailed static reservoir model to address the complex geological structures and evaluate hydrocarbon potential. The Temsah offshore gas field has a complex geological structure characterized by numerous normal faults aligned in the two fault systems one northeast-southwest and another northwest-southeast trending. The predominance of clastic rocks and petroleum system setting in the Nile Delta Basin make this location favourable for hydrocarbon accumulations. Utilizing data from four wells and twenty-nine seismic lines, an in-depth interpretation was conducted to overcome the challenge of precise seismic feature delineation. Static reservoir model incorporates detailed three-dimensional visualizations of sandstones and shale layers, with a particular focus on the Upper Sandstone of Kafr El-Sheikh and Sidi Salem formations. Detailed three-dimensional model illustrated the structural impact on the studied reservoirs. Shale volume, water saturation property distribution grids complemented a constructed 3D model depicting the spatial distribution of rock facies and petrophysical parameters within the Temsah gas field. The integrated approach facilitated the identification and evaluation of three hydrocarbon prospect locations with estimated Gas Initially In Place (GIIP) ranging from approximately 2,856,782 Billion Cubic Feet [BCF] to 5,332,660 [BCF]. These findings underscore the substantial potential for advancing field development in the Temsah gas field.
ISSN:	1866-6280 1866-6299
DOI:	10.1007/s12665-024-11846-1