Sequence stratigraphic evaluation for the Abu Madi Formation,Abu Madi/El Qar'a/Khilala gas fields,onshore Nile Delta,Egypt

作     者：Farouk I.Metwalli Amir Ismail M.S.Metwally Ibrahim M.El Shafei Farouk I.Metwalli;Amir Ismail;M.S.Metwally;Ibrahim M.El Shafei

作者机构：Geology DepartmentFaculty of ScienceHelwan UniversityCairoEgypt Desert Research CenterCairoEgypt Petrobel Oil CompanyCairoEgypt 

出 版 物：《Petroleum Research》 (石油研究（英文）)

年 卷 期：2023年第8卷第4期

页      面：514-523页

核心收录：

学科分类：07[理学] 0707[理学-海洋科学] 

基　　金：The stratigraphic correlation line B–B' (Fig. 7) indicates that the channel borders are located to the west of AM-17 and the east of AM-6. This is supported by seismic data and the occurrence of floodplain deposits in the middle Level III unit of AM-6. Accordingly  the depositional features of the cored intervals of Level III indicate that the deposition of the lower Level III unit and parts of the middle Level III unit was via a braided-fluvial distributary channel system  in the belt of the lower braided-delta plain. The sediments of the lower and parts of the middle Level III units represent the channel-fill phase. The upper Level III unit is characterized by rapid changes in lateral facies with increased marine influence (tidal effect)  which was sufficient to generate an estuarine type of flow regime within the distributary channel 

主　　题：Abu Madi gas field El Qar'a area Khilala area Sequence stratigraphy analysis Onshore Nile Delta Abu Madi Formation 

摘      要：The present study aims to integrate a large set of geological and geophysical data into a comprehensive model describing the depositional features of the Abu Madi/El Qar a/Khilala gas *** model is based on the sequence stratigraphic framework of the Abu Madi Formation defined using cores,well logs,and time-migrated seismic *** trace attribute sections and relative acoustic impedance sections are also used.A possible depositional pattern for the main Level Ill is established,based on the lithological and petrophysical information derived from the seismic data *** Abu Madi For-mation can be regarded as a depositional sequence recording the progressive drowning of the incised *** sequence is bounded at the base by an erosional unconformity,created by a drop in the level of the Late Messinian Sea,and at the top by a drowning unconformity related to the Early Pliocene *** bottom of Level II divides the Abu Madi sequence into two smaller *** both sequences,gas-bearing traps can be found in the Lowstand Systems Tracts,represented by the fluvial Level Ill and fluvial-deltaic Level Il,respectively.