The solicitor handling the case, Graham Chrystie a partner with solicitors Thomas Eggar, says that the case is about more than Annette Carson.

BBC: Pensioners say human rights violated

The firm's bosses include Tim Eggar, who as Britain's energy minister in the mid-1990s got to know politicians in the region, and Terry Adams, a well-connnected oilman who used to run Azerbaijan's biggest foreign oil consortium.

ECONOMIST: Small oil firms