Patent ID: 9695651
Date: 2017-07-04
CPC Classifications: E21B

Claim:
1. A tubular connection apparatus for use in a well, comprising: a plurality of casing sections, wherein at least a first casing section comprises a tubular member, the member having a profiled surface distinct from a surface of an adjacent casing section; a liner, wherein a portion of the liner is located within the first casing section and at least a part of the portion has been radially expanded and directly received by the profiled surface of the tubular member to form a sealed joint between the liner and the profiled surface of said tubular member, said sealed joint preventing axial movement between said liner and said tubular member and creating a pressure seal therebetween, wherein the profiled surface comprises one or more recesses; and wherein the one or more recesses include a valve, the valve being configured to allow fluid to exit the recess when the fluid is subjected to pressure from the part of the liner expanding into the recess.