STRUCTURAL AND SEISMIC MODELLING OF SARIR SANDSTONE RESERVOIR, MAJID AREA, SIRTE BASIN, LIBYA | ||||
| Egyptian Journal of Applied Science | ||||
| Article 2, Volume 40, Issue 3, March 2025, Page 31-46 PDF (1.87 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejas.2025.427536 | ||||
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| Abstract | ||||
| ABSTRACT The Lower Cretaceous Sarir Sandstone Formation is a prolific oil reservoir in Sirte basin (Libya), particularly in southeastern part with commercial quantities of hydrocarbons (around 9 billion barrels). The hydrocarbons were accumulated from the Nubia Formation from both structural and stratigraphic traps in giant oil fields. Classical exploration of the oil in the area, based on 2D seismic survey, led to several dry holes in the last decades. The present study, which was based on interpretation of acquired 3D seismic survey data, matched with available well logs, was used to construct a 3D model for the area to understand the complex structural setting of the area and is to understand the entrapment style of the implied hydrocarbon. Seismic interpretation has been achieved for reviewing structural configuration of the Majid area and illustrating the hydrocarbon potentialities (prospect and leads) by building 3D structure modelling by using borehole data and 2D seismic data. To achieve this work, three representative cross sections have been generated. These have been developed as a major input for a preliminary 3D geological model for determining the prospect and leads in the study area. Structure contour map (isochrochronous map, converted to depth map) was constructed for the top of Sarir Sandstone Formation. NE-SW dip-slip faults dipping to the southeast of the area and faulted fold (rollover faulted anticlines developed above the curved listric faults were identified in this map. | ||||
| Keywords | ||||
| Key Words: Sirte Basin; Seismic Interpretation; 3D structural model; Sarir Reservoir; Structure Modelling | ||||
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