(19)
(11) EP 4 392 639 A1

(12)

(43) Date of publication:
03.07.2024 Bulletin 2024/27

(21) Application number: 22861968.0

(22) Date of filing: 23.08.2022
(51) International Patent Classification (IPC): 
E21B 19/16(2006.01)
E21B 7/02(2006.01)
 E21B 7/20(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 7/20; E21B 19/16; E21B 7/02
(86) International application number:
PCT/US2022/041173
(87) International publication number:
WO 2023/028033 (02.03.2023 Gazette 2023/09)
(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: 23.08.2021 US 202163235855 P

(71) Applicant: Epiroc Drilling Solutions, LLC
Garland TX 75040 (US)

(72) Inventors:
  • BENDER, Luke
    Garland, TX 75040 (US)
  • MAESTAS, Gavin
    Garland, TX 75040 (US)
  • WILKIN, Taylor
    Garland, TX 75040 (US)
  • FOSLER, Matthew
    Garland, TX 75040 (US)
  • PERICHARLA, Samyuktha
    Garland, TX 75040 (US)
  • BERENS, Tyler
    Garland, TX 75040 (US)

(74) Representative: Barker Brettell Sweden AB 
Kungsbroplan 3
112 27 Stockholm
112 27 Stockholm (SE)

   


(54) SEMI-AUTOMATIC OR AUTOMATIC CONTROL OF DRILLING TOOL CHANGING SYSTEM