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   Open Blocks: GOUR SOUANE BLOCK


 

 

GEOGRAPHICAL SETTING

The Gour Souane block is located in Central Tunisia, about 70 km north of Kasserine city South-Eastern onshore Tunisia.

ACREAGE

176 km². 

PREVIOUS EXPLORATION

About 82 km of seismic have been recorded and three wells have been drilled within the block.

GEOLOGICAL SETTING

The Ghour Soauane block lies within the central part of Tunisia Atlas characterized by folds, trending northeast-southwest and asymmetrical anticlines separated by large synclines. It was subjected to a variety of transpressional/transtensional stress regimes with associated structures reactivation and unconformities such the Late Aptian Austrian unconformity.
During the Mesozoic, this block correspond to a wide platform characterized by dominant carbonate-clastic shallow marine facies, irregular subsidence and a stable uplift such the Kasserine Island.
 

HYDROCARBON POTENTIAL

Reservoirs :
The primary and well sealed reservoir is the Aptian Serj carbonates, which are productive at Tamsmida and Douleb fields.
The Turonian Bireno and Douleb oolithic limestones, producing oil near the Algerian-Tunisian border, may be an additional target.
 

Source Rocks :
The Albian Fahdene organic rich shales is considered the main source rock in the area. Deeper Toarcian middle Nara black shales and carbonates may also provide additional sourcing.

Traps :
Faulted blocks and anticlines are the main trap types.

SEISMIC

DATE
SURVEY
OPERATOR
SOURCE
CONTRACTOR
1980
FR
TOTAL
Dynamite
CGG
1982
GSB
SPRINGFIELD
Dynamite
CGG
2001
ENC01
ETAP
Vibroeis
CGG

DRILLING

 

DATE
WELL NAME
OPERATOR
TD (m)
age at TD
07/1955
GSa
SEREPT
635
Turonian

07/1955

GSb

SEREPT

676

Turonian

07/1955 GSc SEREPT 464 Turonian