Delegates at an oilbarrel.com conference can be confident they will learn something new.  Detailed presentations followed by Q&A sessions in which the knowledge and candour of the speaker are tested by an astute audience usually tease out some new information about the company and its operations.  And then there’s the conference programme itself, which pulls together a wide range of companies, including relative newbies like Vast Exploration or PGS Ventures, for would-