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EL RIMEL


GEOGRAPHICAL SETTING

The El Rimel block is located south-western onshore Tunisia, adjacent to Algerian border and close to El Borma oil field.

ACREAGE

308 km².

GEOLOGICAL SETTING

The ELRIMEL block is located in southern Tunisia, within the northern edge of the Ghadames Basin. This later is characterized by Paleozoic strata dipping gently towards the South and truncated by the Hercynian Unconformity.

The progressive pinch out of Upper Silurian, Devonian, Carboniferous and the Permian sediments towards the north is a results of massive erosion due to the uplift of the Telemzane Arch.

PETROLEUM SYSTEM

Reservoirs and Seals

  • The Triassic TAGI fluvial sandstone is considered as a primary target in the block. This reservoir is an oil and gas producer in El Borma, Debbech, Sanhar, Makhrouga and Jebel Grouz fields. Shales and anhydrites above the TAGI reservoir provide excellent seal capacity.
  • The Silurian Acacus sandstone is a secondary target, encountered only in south part.
  • The Lower to Middle Ordovician sandstones is considered as an additional target in the block.
 

Source Rocks

  • The main source rock in the area is the Silurian Tannezuft “hot shale”.
 

Traps

  • The trapping system in the zone include tilted fault blocks, faulted anticlines, low amplitude anticlines and stratigraphic traps (pinch out, channel fill, unconformities).


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