(19)
(11) EP 4 816 671 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24898685.3

(22) Date of filing: 26.11.2024
(51) International Patent Classification (IPC): 
E21B 47/017(2012.01)
B32B 15/00(2006.01)
B65D 81/38(2006.01)
 A47J 41/02(2006.01)
B32B 19/02(2006.01)
(52) Cooperative Patent Classification (CPC):
A47J 41/02; E21B 47/017
(86) International application number:
PCT/US2024/057578
(87) International publication number:
WO 2025/117618 (05.06.2025 Gazette 2025/23)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 27.11.2023 US 202363602672 P

(71) Applicant: HEPHAE ENERGY TECHNOLOGY
Spring, TX 77379 (US)

(72) Inventors:
  • PLATA, Gorka
    48480 Zaratamo (ES)
  • HARVEY, Peter
    Houston, TX 77006 (US)
  • SINGH, Shraddha
    48013 Bilbao (ES)

(74) Representative: Acorn IP LLP 
Colin Sanders Business Innovation Centre Mewburn Road Banbury
Oxfordshire OX16 9PA
Oxfordshire OX16 9PA (GB)

   


(54) THERMALLY INSULATED CONTAINER HAVING HYBRID MATERIAL PLUG AND WELL INTERVENTION TOOL MADE THEREWITH