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   Open Blocks: KSAR GHILANE  BLOCK


 

 

 

GEOGRAPHICAL SETTING

Southern onshore Tunisia.

ACREAGE

4468 km². 

PREVIOUS EXPLORATION

About 3555 Km of 2D seismic have been shot over the block, five (05) wells have been drilled in the block.

GEOLOGICAL SETTING

The Ksar Ghilane Block is located in the central part of the Telemzane arch, an east-west trending arch which was uplifted during the Mid-Late Paleozoic. Within the block the subcropping Cambro-Ordovician clastics are unconformably overlain by Upper Triassic to Cretaceous strata.

 

HYDROCARBON POTENTIAL

The Ksar Ghilane Block is located within a proven hydrocarbon province as demonstrated by numerous oil and gas fields  producing from Ordovician fractured quartzite ( Sabria and El Franig and Baguel fields).

Reservoirs :
The main reservoirs in this block are made of quartizitic sandstone belonging to the Ordovician and Cambrian. The Triassic TAGI sandstones pinchout progressively against the Telemzane Arch may constitute a good stratigraphic targed.  

Source Rocks:
The proven mature source rocks known in the area is materialized by the Silurian Tannezuft hot shales . The Azzel Shales within the Ordovician section can be additional source rock for the block.

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

SEISMIC

DATE
SURVEY
OPERATOR
SOURCE

Nbre of Km

CONTRACTOR
1979 IKV AMOCO
Dynamite

1150

PETTY/CFPS
1979 91 PECTEN VIBRO 700 CFPS
1981 81KR ELF VIBRO 340 CGG
1983 THC AMOCO VIBRO 322 CGG
1984 TTH AMOCO VIBRO 726 CFPS
1999 99PC PETRO-CANADA Dynamite 267 VERITAS

 

DRILLING

 

DATE
WELL NAME
OPERATOR
TD (m)

AGE AT TD

SHOWS
1958 LG-3 SEREPT
1557

ORDOVICIAN

 
1982 D-1 UNION TEXAS 818 CAMBRIAN  
1984 KGH-1 AMOCO 2065 CAMBRO-ORDOVICIAN  
1984 CHR-1 AMOCO 2292 SILURIAN  
1985 ZKH-1 AMOCO 1947 CAMBRIAN