(19)
(11) EP 4 469 658 A1

(12)

(43) Date of publication:
04.12.2024 Bulletin 2024/49

(21) Application number: 22704134.0

(22) Date of filing: 24.01.2022
(51) International Patent Classification (IPC): 
E21B 44/00(2006.01)
E21B 7/04(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 44/00; E21B 7/04
(86) International application number:
PCT/US2022/013574
(87) International publication number:
WO 2023/140871 (27.07.2023 Gazette 2023/30)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Helmerich & Payne Technologies, LLC
Tulsa, OK 74119 (US)

(72) Inventors:
  • JAMIESON, Angus Lamberton
    Tulsa, Oklahoma 74119 (US)
  • MENAND, Stephane
    Tulsa, Oklahoma 74119 (US)

(74) Representative: Uexküll & Stolberg 
Partnerschaft von Patent- und Rechtsanwälten mbB Beselerstraße 4
22607 Hamburg
22607 Hamburg (DE)

   


(54) METHODS AND SYSTEMS FOR DRILLING