(19)
(11) EP 3 612 713 A1

(12)

(43) Date of publication:
26.02.2020 Bulletin 2020/09

(21) Application number: 18788267.5

(22) Date of filing: 13.04.2018
(51) International Patent Classification (IPC): 
E21B 43/12(2006.01)
E21B 33/12(2006.01)
E21B 17/20(2006.01)
(86) International application number:
PCT/US2018/027553
(87) International publication number:
WO 2018/194927 (25.10.2018 Gazette 2018/43)
(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: 17.04.2017 US 201715488923

(71) Applicant: Baker Hughes, a GE company, LLC
Houston, TX 77073 (US)

(72) Inventors:
  • LIVESCU, Silviu
    Houston, TX 77073 (US)
  • RAMSEY, Timothy, T.
    Houston, TX 77073 (US)

(74) Representative: Lambacher, Michael 
V. Füner Ebbinghaus Finck Hano Postfach 95 01 60
81517 München
81517 München (DE)

   


(54) DUAL-WALLED COILED TUBING WITH DOWNHOLE FLOW ACTUATED PUMP