 The insurgents took control of an oil field for the first time on November 4 when they overran Al-Ward, the most important in the province.After also losing control of Al-Jofra field also in November, the army controlled not more than five fields, all located to the west of Deir ez-Zor city.Residents in Deir ez-Zor used crude oil for heating and agriculture for lack of fuel On 1 January 2013, it was reported that two thirds of Deir ez-Zor Governorate was under rebel control.