New simulation technique to estimate the hydrocarbon type for the two untested members of Belayim Formation in the absence of pressure data, Badri Field, Gulf of Suez, Egypt

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• 作者：A. M. Abudeif ; M. M. Attia ; A. E. Radwan
• 关键词：Crossplots ; Fluid types ; Baba Member ; Sidri Member ; Badri Field ; Gulf of Suez
• 刊名：Arabian Journal of Geosciences
• 出版年：2016
• 出版时间：March 2016
• 年：2016
• 卷：9
• 期：3
• 全文大小：4,256 KB
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• 作者单位：A. M. Abudeif (1)
  M. M. Attia (1)
  A. E. Radwan (2)
  
  1. Geology Department, Faculty of Science, Sohag University, Sohag, Egypt
  2. Gulf of Suez Petroleum Company, Cairo, Egypt
  
• 刊物类别：Earth and Environmental Science
• 出版者：Springer Berlin Heidelberg
• ISSN：1866-7538

文摘

Determination of the fluid type in a reservoir is considered one of the main essential purposes of the formation evaluation processes. Badri Field, located in the southern part of the Gulf of Suez, is one of the most prolific areas in the Gulf of Suez. Presence of sandstone streaks in Sidri and Baba members within Belayim Formation in some wells within this field of relatively high resistivity signature in electric logs is the main reason to investigate its petrophysical parameters, to delineate the main characterization of these sands, and to evaluate their ability for hydrocarbon accumulation and production. This study aims to estimate the fluid types in these two untested members, especially that they are sandwiched between two productive sandstone zones, Kareem Formation and Hammam Faraun Member. The fluid type can be determined using formation pressure and pressure gradient, which play a great role to differentiate between the different formations’ fluids (oil, gas, and water). Because of absence of pressure data in the studied wells, a new simulation technique was applied using well logging crossplot responses in the different hydrocarbon types (oil and/or gas), which were tested before to estimate the fluid type in the untested two studied zones. These include density-neutron, sonic-neutron, M-N, and matrix identification (MID) crossplots. This can be performed by correlation of the crossplot responses in the two productive sandstone zones: Kareem Formation and Hammam Faraun Member versus the untested studied sandstone zones of Sidri and Baba members, depending on the similarities and the differences between the crossplot responses or signatures in the oil and gas fluids. The results of this approach revealed that the most fluid type in BDR-A8 and BDR-B9 wells is gas in Baba and Sidri zones and oil in the BDR-A9 well for Baba zone.