(19)
(11) EP 4 377 549 A1

(12)

(43) Date of publication:
05.06.2024 Bulletin 2024/23

(21) Application number: 22741865.4

(22) Date of filing: 20.07.2022
(51) International Patent Classification (IPC): 
E21B 7/02(2006.01)
 E02D 7/00(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 7/02; E02D 7/00; E02D 7/22
(86) International application number:
PCT/IB2022/056707
(87) International publication number:
WO 2023/007318 (02.02.2023 Gazette 2023/05)
(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: 26.07.2021 IT 202100019916

(71) Applicant: HPM - Hydraulic Performance Machines S.r.l.
62019 Recanati (MC) (IT)

(72) Inventor:
  • CARTECHINI, Giuseppe
    62019 Recanati (MC) (IT)

(74) Representative: Baldi, Claudio 
Ing. Claudio Baldi S.r.l. Viale Cavallotti, 13
60035 Jesi (Ancona)
60035 Jesi (Ancona) (IT)

   


(54) DRILLING MACHINE WITH OPTIMIZED TOOL ROTATION BY MEANS OF ENERGY ACCUMULATION SYSTEM