Sonatrach subsidiary Entreprise Nationale de Génie Civile et Bâtiment signed two contracts totalling $700m with UK services company Petrofac on 27 November for work to increase the production capacity of the Tinhert gas fields in the Illizi region. The first contract, valued at 10.77bn dirhams ($100m), covers a gas gathering network to connect 36 new wells, with work expected to take 31 months. The second, valued at 60bn dirhams, is for a new central processing facility, with work expected to take 36 months.