The invention concerns a system or a method for maintaining zonal isolation in a wellbore. According to the invention, the system comprises, at a specific location along said wellbore, a sealing element, said sealing element being able to deform both during and after placement and is maintained after...http://www.google.es/patents/US7669653?utm_source=gb-gplus-sharePatente US7669653 - System and method for maintaining zonal isolation in a wellbore
System and method for maintaining zonal isolation in a wellbore