Seismic interpretation of eocene age on libyan offshore basins using 2d pre-sdm seismic data

Title : Seismic interpretation of eocene age on libyan offshore basins using 2d pre-sdm seismic data

Abstract:

This study presents a comprehensive analysis of Eocene reservoirs in the Libyan offshore basins using pre-stack depth migration (Pre-SDM) seismic data from a regional multi-client survey. The Eocene formation is a significant hydrocarbon target in the western Libyan offshore, with proven accumulations on the continental shelf and slope margin. Recent discoveries in the Egyptian Mediterranean have spurred further investigation into the Eocene potential in the eastern Libyan offshore. The study integrates seismic interpretation with well data to map the geometry and distribution of Eocene structures. Depth structural maps delineate anticlines, synclines, fault systems, and other structural elements indicative of potential hydrocarbon traps. Isochron thickness maps reveal variations in Eocene facies, lithology, and stratigraphy across the basins. Analysis of these maps, facilitated by the use of Pre-SDM data, provides insights into depositional environments and reservoir quality. The western Libyan basin, sourced from Bou Dabbous argillaceous limestone, is the principal source for the El Bourie field. The stratigraphy consists mainly of a variety of sedimentary rocks, including limestone, shale, and sandstone, which can be divided into three layers based on facies changes and fossil types, reflecting different sedimentary environments. The application of advanced seismic attributes and comprehensive seismic data coverage enhances prospect evaluation and the identification of suitable geological features for hydrocarbon exploration across all Libyan offshore basins. The results improve understanding of the reservoir properties of the Eocene formation and its potential for hydrocarbon accumulation in exploration targets.

Biography:

Muftah Abubaker Almaloul earned a BSc in Geophysical Engineering from the College of Petroleum and Mining Engineering at the University of Tripoli, Libya, in 1985. He pursued postgraduate studies, obtaining a Master’s Certificate in Petroleum Geology from the Creative Malaysian Centre and Malaya University, Kuala Lumpur, Malaysia. He also earned a Certificate of Achievement in Geophysical Knowledge Transfer from GEDCO, Calgary, Alberta, Canada, and an MBA Shale Gas Modelling Certificate from the Trappain Centre in London, UK. Mr. Almaloul completed specialized training on the TERRALOG SEISMOGRAPH for shallow seismic shooting at ABEM Company and Lulea University, Stockholm, Sweden. His professional development includes extensive courses in borehole imaging, dip interpretation and integration, formation evaluation, and VSP applications with Baker Atlas in Aberdeen and Montrose, UK, as well as technical training in seismic acquisition and processing. He supervised the offshore Libyan non-exclusive seismic survey with CGG in 2005. With over 35 years of experience in oil and gas exploration, working with multiple international companies, he is currently serving as a Technical Advisor Geophysicist in the Exploration Department at the National Oil Corporation, Tripoli, Libya.