(19)
(11) EP 4 370 778 A1

(12)

(43) Date of publication:
22.05.2024 Bulletin 2024/21

(21) Application number: 21950341.4

(22) Date of filing: 16.07.2021
(51) International Patent Classification (IPC): 
E21B 44/00(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 44/00; E21B 2200/20
(86) International application number:
PCT/US2021/041906
(87) International publication number:
WO 2023/287423 (19.01.2023 Gazette 2023/03)
(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, OK 74119 (US)
  • CHEN, Teddy
    Tulsa, OK 74119 (US)
  • MENAND, Stephane
    Tulsa, OK 74119 (US)
  • MCINTIRE, Kyle
    Tulsa, OK 74119 (US)
  • MAHJOUB, Mohammed
    Tulsa, OK 74119 (US)

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

   


(54) APPARATUS AND METHODS FOR CONTROLLING DRILLING