US 12,435,604 B2
Fluoroplastic expandable liner hanger elements for geothermal and corrosive environments
Chad W. Glaesman, Singapore (SG); and Sandeep Thatathil, Singapore (SG)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Feb. 28, 2024, as Appl. No. 18/590,535.
Prior Publication US 2025/0270903 A1, Aug. 28, 2025
Int. Cl. E21B 43/10 (2006.01); E21B 33/05 (2006.01); E21B 33/12 (2006.01)
CPC E21B 43/108 (2013.01) [E21B 33/05 (2013.01); E21B 33/1208 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising:
a radially expandable liner hanger to be positioned in a wellbore proximate to a subsurface formation, the radially expandable liner hanger including,
one or more fluoroplastic sealing elements positioned on an exterior of the radially expandable liner hanger, wherein each of the one or more fluoroplastic sealing elements are comprised of at least one of fluorinated ethylene propylene (FEP), perfluoro alkoxy (PFA), ethylene tetrafluoroethylene (ETFE), ethylene-chlorotrifluoroethylene (ECTFE), polychlorotrifluoroethylene (PCTFE), or polyvinylidene fluoride (PVDF).