see more

ALGERIA - JUNE 30: Oil companies In Hassi Messaoud, Algeria On June 30, 2008-The 'Petro Canada' company around Hassi-Messaoud. Recent laws have been voted that allows companies from other countries to exploit the Algerians concessions. (Photo by Ali DJENIDI/Gamma-Rapho via Getty Images)

ALGERIA - JUNE 30:  Oil companies In Hassi Messaoud, Algeria On June 30, 2008-The 'Petro Canada' company around Hassi-Messaoud. Recent laws have been voted that allows companies from other countries to exploit the Algerians concessions.  (Photo by Ali DJENIDI/Gamma-Rapho via Getty Images)