(19)
(11) EP 3 177 802 A1

(12)

(43) Date of publication:
14.06.2017 Bulletin 2017/24

(21) Application number: 15830271.1

(22) Date of filing: 05.08.2015
(51) International Patent Classification (IPC): 
E21B 41/00(2006.01)
E21B 17/00(2006.01)
(86) International application number:
PCT/US2015/043765
(87) International publication number:
WO 2016/022652 (11.02.2016 Gazette 2016/06)
(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:
MA

(30) Priority: 05.08.2014 US 201462033468 P
04.08.2015 US 201514817974

(71) Applicant: Baker Hughes Incorporated
Houston, TX 77210-4740 (US)

(72) Inventors:
  • CASTILLO, Homero C.
    Kingwood, TX 77345 (US)
  • COLLINS, Randolph M.
    Houston, TX 77040 (US)
  • FANINI, Otto N.
    Houston, TX 77279 (US)

(74) Representative: Jeffrey, Philip Michael 
Dehns St Bride's House
10 Salisbury Square London EC4Y 8JD
10 Salisbury Square London EC4Y 8JD (GB)

   


(54) ELECTRO-MECHANICAL-HYDRAULIC INSTRUMENT BUS