(19)
(11) EP 2 364 393 A1

(12)

(43) Date of publication:
14.09.2011 Bulletin 2011/37

(21) Application number: 09752662.8

(22) Date of filing: 10.11.2009
(51) International Patent Classification (IPC): 
E21B 10/32(2006.01)
(86) International application number:
PCT/US2009/063934
(87) International publication number:
WO 2010/054407 (14.05.2010 Gazette 2010/19)
(84) Designated Contracting States:
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 SE SI SK SM TR

(30) Priority: 10.11.2008 US 113198 P
05.05.2009 US 436077

(71) Applicant: Weatherford/Lamb Inc.
Houston, Texas 77027 (US)

(72) Inventors:
  • XU, Wei Jake
    Houston Texas 77095 (US)
  • ODELL, II, Albert C.
    Kingwood Texas 77339 (US)
  • HARRALL, Simon J.
    Houston Texas 77098 (US)
  • REDLINGER, Thomas M.
    Houston Texas 77020 (US)
  • VREELAND, Christopher M.
    Houston Texas 77065 (US)
  • ANTOINE, Andrew
    Houston Texas 77041 (US)
  • BRUNNERT, David J.
    Houston Texas 77429 (US)
  • LAIRD, Thomas
    Cypress Texas 77429 (US)
  • MOODY, Michael
    Katy Texas 77450 (US)
  • TILTON, Frederick T.
    Spring Texas 77388 (US)

(74) Representative: Talbot-Ponsonby, Daniel Frederick 
Marks & Clerk LLP 4220 Nash Court
Oxford Business Park South Oxford Oxfordshire OX4 2RU
Oxford Business Park South Oxford Oxfordshire OX4 2RU (GB)

   


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