US 12,252,961 B2
Expandable liner hanger assembly having one or more hardened sections
Xiaoguang Allan Zhong, Singapore (SG); Abdolreza Gharesi, Singapore (SG); and Zhihua Fan, Singapore (SG)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on May 23, 2022, as Appl. No. 17/750,662.
Prior Publication US 2023/0374890 A1, Nov. 23, 2023
Int. Cl. E21B 43/10 (2006.01)
CPC E21B 43/103 (2013.01) [E21B 43/10 (2013.01); E21B 43/105 (2013.01)] 29 Claims
OG exemplary drawing
 
1. An expandable liner hanger assembly, comprising:
a radially expandable tubular defining an interior passageway and an exterior surface; and
one or more continuous anchoring ridges extending radially outward from the radially expandable tubular, at least one of the one or more continuous anchoring ridges having a plurality of spaced apart localized hardened sections placed circumferentially there around and extending along a top surface and side wall surfaces thereof, the radially expandable tubular configured to move from an initial state wherein the one or more continuous anchoring ridges are not in contact with a wellbore tubular to an expanded state wherein the one or more continuous anchoring ridges are in gripping engagement with the wellbore tubular.