Patent ID: 7886831
Filing Date: 2011-02-15
Classification: E21B

Abstract:
1. A system comprising: a tubular support having a first internal passage and a flow passage; a sliding sleeve disposed in the first internal passage, the sliding sleeve having a second internal passage and being moveable by fluid pressure between a first position, wherein the second internal passage is in fluid communication with a first annulus surrounding the tubular support, and a second position, wherein the second internal passage is fluidicly isolated from the first annulus; a rupture disc seated in the flow passage, the rupture disc fluidicly isolating the first internal passage from a second annulus surrounding the tubular support and adapted to rupture, whereby the first internal passage and the second annulus are fluidicly coupled; and an expansion cone disposed in the second annulus and moveable under pressure from fluid in the second annulus.