Rodger A Lebedz

US Patent:

20100132956, Jun 3, 2010

Filed:

Dec 1, 2008

Appl. No.:

12/325345

Inventors:

Rodger LeBedz - Houston TX, US
Richard Whiddon - Katy TX, US

Assignee:

ENVENTURE GLOBAL TECHNOLOGY, L.L.C. - Houston TX

International Classification:

E21B 19/00
F16L 25/00

US Classification:

166378, 2853322

Abstract:

An expandable tubular connection includes coupled first and second tubular members and a sealing end on one of the first and second tubular members engaged with an angled shoulder coupled to the other of the first and second tubular members, wherein the sealing end deflects on the angled shoulder and plastically deforms into one of the first and second tubular members upon radial expansion and plastic deformation of the expandable tubular connection. A tubular sleeve including the angled shoulder may be coupled between the first and second tubular members. The sealing end may have an inner radial projection that is deflected into a surface on the first tubular member. A method includes pre-loading a sealing end of the second tubular member onto an angled shoulder of the tubular sleeve, radially expanding and plastically deforming the tubular connection, and deflecting the sealing end on the angled shoulder and into the first tubular member.