Issaouane Erg with foreign assistance, including from Korea and Spain (Repsol signed an agreement to invest and explore in 1990). The oilfield has been in production since late 1998. Issaouane Erg The Issaouane Erg (also called Issaouane-N-Irrararene) is an approximately 38,000 km erg (sand sea) in Algeria's portion of the Sahara desert, located at . The Issaouane Erg is located near the Ahaggar Mountains. It is part of a major dune field that extends from Issaouane Erg in the north to the Sudanese Erg in the south, flanked by the Libyan erg of Murzuq. In the north, the Issaouane Erg ends at
Erg Chech to the Tuareg people, the elliptical strewn field stretches for more than . Erg Chech The Erg Chech (), is a large erg in southwestern Algeria and northern Mali. It is an almost uninhabited part of the greater Sahara Desert, an inhospitable desert region with long, extremely hot summers and short, very warm winters. The Erg Chech is a vast sandy expanse including compound and complex linear and star dunes. The mean elevation of the Erg Chech is just above 300 m, slightly lower than the neighboring Erg Iguidi stretching to the north. The barren plain of the Tanezrouft is