Petrophysical Evaluation of Khatatba Formation in El-Obaiyed Area, Northern Western Desert, Egypt | ||||
| Journal of Applied Geophysics (Cairo) | ||||
| Articles in Press, Accepted Manuscript, Available Online from 25 April 2024 | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jag.2024.257002.1003 | ||||
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| Authors | ||||
Mohammad Monir Kamal Mahmoud 1; Ahmed Sayed Abu El-Ata  2; Amir Maher Lala3
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| 1Department of Geophysics, Faculty of Science, Ain Shams University | ||||
| 2Department of Geophysics, Faculty of Science, Ain Shams University, Cairo, Egypt | ||||
| 3Department of Geophysics, Faculty of Scence, Ain Shams Univeristy, Cairo, Egypt | ||||
| Abstract | ||||
| El-Obaiyed area is part of the north-Western Desert gas producing fields in Egypt. It is approximately 50 km to the south of the Mediterranean coast and about 450 km west northwest of Cairo. The Obaiyed Field lies on the western flank of the Matruh basin. The study employs a multidisciplinary approach, combining geological and petrophysical data, to characterize the rock properties and fluid behavior within the concerned subsurface formations. The objective of this work is to delineate the hydrocarbon-bearing zones and predict reservoir fluid behavior. Wireline logs were used, to assess the reservoir petrophysical properties. The results from this study identified the potential reservoirs in Khatatba formation accumulating primarily in Lower Safa Member and secondary gas-bearing Upper Safa Member, where evaluation showed an average gross thickness of 100 m in Upper Safa with porosity average range 3-7% and a gross thickness of 93 m in Lower Safa with an average porosity range 6-12% , as well as Kabrit formation which came out with good gas-bearing net thickness in well OBA D-35. The Lower Safa Member is subdivided into multiple units, composed of sand and shale intercalations with thickness thinning southwards. Higher effective porosity and permeability values were noticed for the sand, while the Lower values are found for the shale. | ||||
| Keywords | ||||
| Petrophysical; Evaluation; Khatatba; El-Obayed; north Western Desert | ||||
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