Patent ID: 9334702
Filing Date: 2016-05-10
CPC Classification: E21B,F16J,F16L

Claim Text:
1. A downhole seal assembly comprising: a first downhole tubular having a first sealing surface including a radially inner dimension; a second downhole tubular having a second sealing surface including a radially outer dimension; a seal element having an axial dimension run with the first tubular and being selectively radially shiftable towards the second sealing surface, the seal element having a radial innermost dimension to be sealed with the second tubular; and a feature triggerable for selectively reconfiguring the radial dimension of the seal element while maintaining the axial dimension, wherein the seal element is selectively shiftable between a first position wherein the radial innermost dimension of the seal element is smaller than the radially inner dimension of the first downhole tubular, and a second position, wherein the radial dimension of the seal element is greater than the radially inner dimension of the first downhole tubular.