(19)
(11) EP 4 816 664 A1

(12)

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

(21) Application number: 24898568.1

(22) Date of filing: 25.11.2024
(51) International Patent Classification (IPC): 
E21B 43/00(2006.01)
G06F 30/20(2020.01)
G06F 17/18(2006.01)
 E21B 47/00(2012.01)
G06N 5/04(2023.01)
(52) Cooperative Patent Classification (CPC):
E21B 2200/20; E21B 2200/22; E21B 43/00
(86) International application number:
PCT/US2024/057234
(87) International publication number:
WO 2025/117412 (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: 30.11.2023 US 202363604333 P

(71) Applicant: ConocoPhillips Company
Houston, Texas 77079 (US)

(72) Inventors:
  • ORTEGA, Edwin
    Houston, Texas 77079 (US)
  • LANDRY, Kirsten
    Houston, Texas 77079 (US)

(74) Representative: Greaves Brewster LLP 
Copa House Station Road
Cheddar, Somerset BS27 3AH
Cheddar, Somerset BS27 3AH (GB)

   


(54) SYSTEMS AND METHODS OF PREDICTIVE DECLINE MODELING BASED ON TIME-DEPENDENT DEPLETION FUNCTION