The Georgian conflict poses major challenges for governments and companies seeking to find ways of transporting Caspian oil and gas through the South Caucasus to European and Mediterranean markets.
Three pipelines that run through Georgia are now out of action.
A cluster of major pipelines pass through Georgia, some of them within a few kilometres of positions occupied by Russian forces before Moscow declared its own ceasefire on 12 August.
At present, these do not appear to be particularly threatened by the recent conflict.
What is at stake is the raft of plans for new pipelines and the major expansion of existing systems