Firms tolerated the country's difficult business environment when oil prices were high and profits more certain. However, the price slump has hurt firms across the economy, including non-oil sectors. Together with mounting regulatory burdens, this has caused many to begin to re-evaluate their plans.
Diamond output could rise thanks to the government's renewal of Lucapa's licence, potentially boosting Angola's largest alluvial project.
However, extensive landmine coverage -- left over from the 1975-2002 civil war -- will hamper further exploration.
Heavy military presence in areas surrounding the Congo River basin will ensure security for firms, potentially helping confidence.
The Brazilian court finding that Odebrecht utilised slavery-like labour practices in Angola will undermine its SSA infrastructure projects.
