(19)
(11) EP 2 800 868 A2

(12)

(88) Date of publication A3:
06.03.2014

(43) Date of publication:
12.11.2014 Bulletin 2014/46

(21) Application number: 13702272.9

(22) Date of filing: 04.01.2013
(51) International Patent Classification (IPC): 
E21B 43/04(2006.01)
E21B 47/09(2012.01)
(86) International application number:
PCT/US2013/020249
(87) International publication number:
WO 2013/103789 (11.07.2013 Gazette 2013/28)
(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

(30) Priority: 06.01.2012 US 201213345544

(71) Applicant: Weatherford/Lamb, Inc.
Houston, TX 77056 (US)

(72) Inventors:
  • BROUSSARD, John, P.
    Kingwood, TX 77345 (US)
  • VAN PETEGEM, Ronald
    Montgomery, TX 77356 (US)
  • HALL, Christopher
    Cypress, TX 77433 (US)
  • ZIMMERMAN, Patrick, J.
    Houston, TX 77062 (US)
  • RITCHEY, Brian
    Hockley, TX 77447 (US)
  • VAN CLIEF, Rockni
    Houston, TX 77008 (US)

(74) Representative: Shanks, Andrew 
Marks & Clerk LLP Aurora 120 Bothwell Street
Glasgow G2 7JS
Glasgow G2 7JS (GB)

   


(54) GRAVEL PACK INNER STRING HYDRAULIC LOCATING DEVICE