(19)
(11) EP 2 917 453 A2

(12)

(88) Date of publication A3:
27.11.2014

(43) Date of publication:
16.09.2015 Bulletin 2015/38

(21) Application number: 13792796.8

(22) Date of filing: 31.10.2013
(51) International Patent Classification (IPC): 
E21B 19/16(2006.01)
(86) International application number:
PCT/US2013/067845
(87) International publication number:
WO 2014/071056 (08.05.2014 Gazette 2014/19)
(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

(30) Priority: 31.10.2012 US 201261720426 P

(71) Applicant: Weatherford Technology Holdings, LLC
Houston, TX 77056 (US)

(72) Inventor:
  • RUEHMANN, Rainer
    D-30173 Hannover (DE)

(74) Representative: Talbot-Ponsonby, Daniel Frederick 
Marks & Clerk LLP Fletcher House Heatley Road The Oxford Science Park
Oxford OX4 4GE
Oxford OX4 4GE (GB)

   


(54) GRAPHICAL EVALUATOR FOR TUBULAR MAKEUP