Source rock evaluation of the Central Gulf of Suez, Egypt: A 1D basin modelling and petroleum system analysis,Geological Journal

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Source rock evaluation of the Central Gulf of Suez, Egypt: A 1D basin modelling and petroleum system analysis
Geological Journal ( IF 1.4 ) Pub Date : 2021-04-04 , DOI: 10.1002/gj.4140
Esam A. Gawad ₁ , Mohamed Fathy ₁ , Mohamed Reda ₁ , Hatem Ewida ₂

Affiliation

Geochemical studies were applied to evaluate the possible source rocks of Cretaceousâ€“Eocene formations in the October oil field, including pyrolysis analysis data such as total organic carbon (TOC %), generating source potential (S2), production index (PI), oxygen, and hydrogen indices (OI, HI) and (Tmax). Three source rocks are characterized by fair to good and very good TOC%, which are Thebes, Duwi, and Abu Qada formations with kerogen type I and type II, respectively, and some samples are in the type III region reflecting the degree of maturation and can generate oil and gas. 1D basin models were constructed for five wells to simulate the multi-tectonic phases and multiple burial histories, migration path, and event chart in the study area. The sedimentation rates from Cretaceous to Palaeocene age are characterized by low burial rate sedimentation, low to medium in the Eocene age, and high burial rate and rapid sedimentation in the Miocene and post-Miocene age. The petroleum system of the October oil field was studied, and two petroleum systems can be recognized, according to the integration studies between the source rock evaluation and petroleum basin modelling.

中文翻译：

埃及苏伊士湾中部烃源岩评价：一维盆地建模与油气系统分析

应用地球化学研究评估了 10 月油田白垩纪-始新世地层可能的烃源岩，包括热解分析数据，如总有机碳 (TOC %)、生源潜力 (S2)、生产指数 (PI)、氧气, 和氢指数 (OI, HI) 和 (Tmax)。三种烃源岩TOC%为一般至良好和非常好，分别为底比斯组、杜维组和阿布卡达组，干酪根类型为Ⅰ型和Ⅱ型，部分样品处于Ⅲ型区域，反映成熟度和成熟度。可以产生石油和天然气。建立了5口井的一维盆地模型，模拟了研究区的多构造阶段和多埋藏史、运移路径和事件图。白垩纪至古新世的沉积速率表现为低埋藏速率沉积，始新世低至中，中新世和后中新世高埋藏速率和快速沉积。对10月油田油气系统进行了研究，通过烃源岩评价与含油盆地建模的整合研究，可以识别出两个油气系统。

更新日期：2021-04-04

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