Characterization of Upper Cretaceous Matulla and Wata clastic reservoirs from October field, Central Gulf of Suez, Egypt

Farouk, Sherif; Sen, Souvik; Saada, Saada Ahmed; Eldosouky, Ahmed M.; Elsayed, Romaisaa; Kassem, Ahmed A.; Al-Kahtany, Khaled; Abdeldaim, Ahmed

doi:10.1007/s40948-023-00648-7

Cited by 5 publications

(1 citation statement)

References 48 publications

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“…Research and development practices, both in China and abroad, reveal that infilling well patterns are among the most effective measures influencing the reserve production degree and the recovery efficiency of tight sandstone gas reservoirs [7]. Characterizations of reservoirs directly affect the production scenario, economics, and field development strategies [8,9].…”

Section: Introductionmentioning

confidence: 99%

A New Method for Determining Economic Well Pattern Density and Infilling Time of Tight Gas Reservoirs

Wang,

Fang,

et al. 2024

Energies

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Well pattern infilling optimization is a crucial measure to enhance gas recovery, especially in tight gas reservoirs with low permeability and small-scale sand bodies. Traditional methods of determining well pattern density rely on qualitative analysis from the perspective of gas blocks. However, these methods are challenging to apply to sand bodies with different properties, and there have been no studies conducted on infilling time, which significantly impacts production increment. In response to this situation, this paper establishes a series of evaluation indexes and proposes a numerical simulation of economic well pattern density and infilling time based on real parameters obtained from the Linxing–Shenfu gas field. To quantitatively determine the economic well pattern density and infilling time based on fine characterization of sand bodies, a sensitivity analysis is conducted, considering various permeability levels and reserve abundance. Two intersection charts of economic well pattern density and infilling time, relating to reserve abundance and permeability, are then drawn. Furthermore, a real well site is selected as an example, and the infilling effect analysis confirms the reliability of the charts. The new method of determining economic well pattern density and infilling time presented in this article can provide theoretical support for the economic and efficient development of the Linxing–Shenfu gas field, serving as a useful reference for the beneficial development of similar gas reservoirs.

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Section: Introductionmentioning

confidence: 99%

A New Method for Determining Economic Well Pattern Density and Infilling Time of Tight Gas Reservoirs

Wang,

Fang,

et al. 2024

Energies

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Late Cretaceous Matulla sandstones in the Gulf of Suez Basin: geophysical assessment of pre-rift oil reservoirs

Selim,

Sarhan

2024

Mar Geophys Res

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Reservoir Rock Discrimination Based on Integrated Image Logs and Petrographic Analysis: A Case Study from the Early Miocene Nukhul Carbonate, Southern Gulf of Suez, Egypt

Kassem,

Abdel Fattah,

Hassan

et al. 2024

Arab J Sci Eng

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The discrimination of rock types within the limestones and dolostones of the Nukhul Formation in the West Younis Field (Gulf of Suez Basin, Egypt) presents significant challenges due to their multi-scale compositional and diagenetic heterogeneity, diverse pore types, complex microstructures, and limited core data. This study aims to characterize the carbonate reservoir of the Early Miocene sediments and establish distinct reservoir rock types by employing textural analysis, geological interpretations (i.e., structural interpretation, fracture analysis, reservoir characteristics) using advanced imaging tools, and petrophysical measurements to model porosity/permeability profiles across the reservoir. A new dataset was obtained from the latest exploratory well in the West Younis Field, incorporating microresistivity and acoustic image logs, well logs, nuclear magnetic resonance (NMR) tools, and drill cutting petrographic analysis. The integration of these datasets provided a comprehensive understanding of the properties of the Early Miocene carbonate reservoir. Based on image logs, the carbonate facies were divided into four reservoir units. Petrographic evaluation further classified two facies (A and B) based on diagenetic factors controlling reservoir quality. The results revealed the occurrence of multiple phases of dolomitization, which influenced the reservoir quality. Early-stage dolomitization enhanced reservoir quality, while late-stage idiotopic dolomite crystal growth diminished it. The study also provided comprehensive information on the original rock fabric/texture, diagenetic processes, porosity types and origins, as well as the spatial distribution of pores (permeability index) within this complex carbonate reservoir. By employing an integrated technique, this study successfully differentiated the carbonate reservoir into distinct rock types, leading to improved reservoir characterization and field development. Additionally, the findings contribute valuable insights for the development and exploration of the Early Miocene carbonate section in the southern Gulf of Suez.

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Characterization of Upper Cretaceous Matulla and Wata clastic reservoirs from October field, Central Gulf of Suez, Egypt

Cited by 5 publications

References 48 publications

A New Method for Determining Economic Well Pattern Density and Infilling Time of Tight Gas Reservoirs

A New Method for Determining Economic Well Pattern Density and Infilling Time of Tight Gas Reservoirs

Late Cretaceous Matulla sandstones in the Gulf of Suez Basin: geophysical assessment of pre-rift oil reservoirs

Reservoir Rock Discrimination Based on Integrated Image Logs and Petrographic Analysis: A Case Study from the Early Miocene Nukhul Carbonate, Southern Gulf of Suez, Egypt

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