期刊
JOURNAL OF PETROLEUM EXPLORATION AND PRODUCTION TECHNOLOGY
卷 11, 期 6, 页码 2539-2559出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13202-021-01214-1
关键词
Well logging; Abu Madi Fm; El-Qara field; Nile Delta basin
The petrophysical properties of the Abu Madi reservoir in the northern Nile Delta Basin were evaluated based on well logging data from two wells, showing promising gas zones in both wells at similar depth intervals. The observed depth variation was attributed to the presence of buried normal faults between the wells.
In this work, the petrophysical properties of Abu Madi reservoir in El-Qara Field at northern Nile Delta Basin (NDB) were evaluated depending on well logging data of two wells: El-Qara-2 and El-Qara-3. This evaluation revealed that in El-Qara-2 well, the promising gas zone is detected between depths of 3315 and 3358 m, while in El-Qara-3 well, the best gas interval is detected between depths of 3358 and 3371 m. In addition to the production test parameters (gas rate, condensate rate, gas gravity, condensate gravity, gas-to-oil ratio, flowing tubing head pressure, flowing bottom hole pressure, and static bottom hole pressure), the calculated petrophysical parameters (shale volume, total porosity, effective porosity, and water saturation) for both intervals were relatively similar. This confirms that the investigated wells were drilled at the same reservoir interval within Abu Madi Fm. The depth variation in the examined zones was attributed to the presence of buried normal faults between El-Qara-2 and El-Qara-3 wells. This observation may be supported from the tectonic influence during the deposition of Abu Madi Fm. as a portion of the Messinian syn-rift megasequence beneath the NDB.
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