Founded in 1962, the Marsa El-Brega Refinery is an oil refinery located in Marsa El-Brega, in eastern Libya, in the Ajdabiya area and overlooking the Gulf of Sirte. The plant is operated by Sirte Oil Company for Production, Manufacturing of Oil and Gas, a company active in the production and processing of oil and gas.

Ain Tsila is a gas condensate field situated in the Illizi Basin, Algeria, located within the Isarene permit in Blocks 228 and 229a. The Ain Tsila field boasts reserves amounting to 2.1 trillion cubic feet of sales gas, alongside 67 million barrels of condensate and 108 million barrels of liquefied petroleum gas (LPG). Discovered in 2009 through the successful drilling of the Ain Tsila-1 well, this gas condensate field garnered significant recognition, ranking as the ninth-largest discovery globally for that year. Spanning an extensive area exceeding 1,000 square kilometers, Ain Tsila represents a substantial addition to the energy landscape.