Aug 15 (Reuters) - Perisson Petroleum Corp POG.V
* Perisson to acquire oil reserves in ribstone and success
* Perisson will have right to acquire a further 40% working interest in both ribstone and success properties
* Acquisition price for additional 40% working interest will be based on a 20% premium to original purchase price
* Agreed to assignment from forent energy ltd of right to acquire oil and gas assets in ribstone alberta, success, saskatchewan Source text for Eikon: ID:nCCN5MCsBS Further company coverage: POG.V