(19)
(11) EP 3 268 581 A1

(12)

(43) Date of publication:
17.01.2018 Bulletin 2018/03

(21) Application number: 16710082.5

(22) Date of filing: 09.03.2016
(51) International Patent Classification (IPC): 
E21B 47/01(2012.01)
(86) International application number:
PCT/US2016/021424
(87) International publication number:
WO 2016/144993 (15.09.2016 Gazette 2016/37)
(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 MD

(30) Priority: 09.03.2015 CN 201510101508

(71) Applicant: General Electric Company
Schenectady, NY 12345 (US)

(72) Inventors:
  • REN, Zhiguo
    Shanghai 201203 (CN)
  • FU, Xu
    Shanghai 201203 (CN)

(74) Representative: Lee, Brenda 
GE International Inc. Global Patent Operation - Europe The Ark 201 Talgarth Road Hammersmith
London W6 8BJ
London W6 8BJ (GB)

   


(54) MEASUREMENT-WHILE-DRILLING DEVICE AND METHOD