(19)
(11) EP 4 264 010 A1

(12)

(43) Date of publication:
25.10.2023 Bulletin 2023/43

(21) Application number: 21819617.8

(22) Date of filing: 30.11.2021
(51) International Patent Classification (IPC): 
E21B 44/00(2006.01)
E21B 1/00(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 44/00; E21B 1/00
(86) International application number:
PCT/SE2021/051187
(87) International publication number:
WO 2022/139654 (30.06.2022 Gazette 2022/26)
(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

(30) Priority: 21.12.2020 SE 2051524

(71) Applicant: Epiroc Rock Drills Aktiebolag
701 91 Örebro (SE)

(72) Inventors:
  • GÖTHBERG, Mattias
    705 10 Örebro (SE)
  • JOHANSSON, Anders
    702 31 Örebro (SE)
  • ENBLOM, Samuel
    702 31 Örebro (SE)

(74) Representative: Epiroc Rock Drills AB 
Patents
701 91 Örebro
701 91 Örebro (SE)

   


(54) METHOD AND SYSTEM FOR OPTIMISING A DRILLING PARAMETER DURING AN ONGOING DRILLING PROCESS