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首页> 外文期刊>Egyptian journal of petroleum >Burial and thermal history simulation of the subsurface Paleozoic source rocks in Faghur basin, north Western Desert, Egypt: Implication for hydrocarbon generation and expulsion history
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Burial and thermal history simulation of the subsurface Paleozoic source rocks in Faghur basin, north Western Desert, Egypt: Implication for hydrocarbon generation and expulsion history

机译：埃及西北沙漠北部法格赫盆地地下古生界烃源岩的埋藏和热史模拟：对生烃和驱出史的启示

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Paleozoic Zeitoun, Desouqy and Dhiffah formations represent source rocks to hydrocarbon in Faghur basin, north Western Desert, Egypt. They are characterized by a sufficient amount of organic matter belonging to kerogen type III and mixed type II/III, which are in maturation stage. A 1D-basin modeling was performed by using geological and geochemical data of the Paleozoic source rocks from five wells in Faghur basin, north Western Desert, Egypt. These data used in 1D basin modeling for constructing and understanding of burial and thermal geo-histories of Faghur basin and for simulating and predicting the timing of petroleum and expulsion for the Paleozoic source rocks in the studied wells. Burial and thermal history models indicate that the Zeitoun Formation entered onset of oil generation in the studied wells during Late Cretaceous (100.10–91.65 my) with transformation ratio (TR) 10–25, peak oil during Late Cretaceous (91.65–79.30 my) with TR 25–50 and late oil stage at Late Cretaceous (79.30 my-0) to present day with TR 50–60.45. Desouqy Formation entered onset of oil generation also during Late Cretaceous (94.43–73.60 my) with TR 10–25 in the studied wells, peak oil during Late cretaceous (73.60–62.40 my) with TR 25–50 and Late oil stage during Late Cretaceous to present day (62.40 my-0) with TR 50–61.82. Dhiffah Formation entered onset of oil generation in the studied wells during Early to Late Cretaceous (102.11–92.27 my) with TR 10–25, peak oil during Late Cretaceous (92.27–86.40 my) with TR 25–50 and late oil stage at Late Cretaceous to present day (86.40 my-0) with TR 50–67.27. No cracking oil to gas in the studied Paleozoic source rocks in the studied wells. These basin modeling results also suggest that the Paleozoic source rocks act as an effective source rock where a significant amount of petroleum is expected to be generated and expelled to any nearby prospect reservoir rocks in the Faghur basin.
机译：埃及西北沙漠Faghur盆地的古生界Zeitoun，Desouqy和Dhiffah地层是烃源岩。它们的特征在于处于成熟阶段的属于干酪根类型III和混合类型II / III的足够数量的有机物质。利用埃及西北沙漠Faghur盆地5口井的古生代烃源岩的地质和地球化学数据，进行了1D盆地建模。这些数据用于一维盆地建模，以构造和理解Faghur盆地的埋藏和热地理历史，以及模拟和预测研究井中的古生代烃源岩的石油和驱替时间。埋藏和热历史模型表明，在白垩纪晚期（100.10–91.65 my）的转化率（TR）为10–25时，Zeitoun组进入了研究井的生油阶段，白垩纪晚期（91.65–79.30 my）的峰值油进入了生油时代。 TR 25–50和白垩纪晚期（79.30 my-0）的晚期石油阶段，至今TR 50–60.45。在研究井中，白垩纪晚期（94.43–73.60 my）和TR 10–25期间，Desouqy地层也开始生油，白垩纪晚期（25.50）的白垩纪晚期（73.60–62.40 my）和白垩纪晚期的晚期油阶段也进入了生油阶段。到今天（62.40 my-0）达到TR 50–61.82。 Dhiffah组进入白垩纪早期至晚期（102.11–92.27 my），TR 10–25，白垩纪晚期（92.27–86.40，my），TR 25–50，晚期油阶段，晚油阶段，开始在研究井中生油。白垩纪到今天（86.40 my-0），TR 50–67.27。在研究井中，在古生代烃源岩中没有裂化石油气。这些盆地建模结果还表明，古生代烃源岩是有效的烃源岩，预计将产生大量石油并将其驱散到Faghur盆地附近的任何远景储层岩石中。

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