Land Area
The land area in the Sirte basin is characterized by desert steppes and includes eolian deposits from the Rebiana and Kalansho Sand Sea of the Sahara Desert. In a relatively narrow, northern coastal strip, some land areas are as much as 47 m below sea level. The basin is floored by a northwest-southeast-trending mosaic of narrow horsts and grabens, an important structural characteristic that distinguishes it from the adjacent intracratonic Kufra, Murzuk, and Ghadames basins.
The area of the Sirte Basin occupies about 230,000 km², with a wildcat drilling density of one new field wildcat per 145 km². Overall drilling density of the basin is 3.3 wells per 100 km², with an average field depth of 2,100 m. Recent indications of hydrocarbons within grabens suggest that these areas have potential as well as clastic reservoirs beneath the carbonate reservoirs in the Central Sirte Basin. The offshore area beyond 200 m depths is largely unexplored.
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