The number of rigs actively drilling on locations in Angola has fallen to 18 in November, from 22 in September 2015, according to the November 2015 edition of the Africa Oil + Gas Report.
Chevron and TOTAL have dropped one rig each, while ExxonMobil increased its rig count by 1. Cobalt has finished drilling on Block 21 and released the rig. ENI retains the two rigs it had last September.
The busiest company at the drill bit remains Chevron.
