(19)
(11) EP 2 456 950 A2

(12)

(88) Date of publication A3:
07.04.2011

(43) Date of publication:
30.05.2012 Bulletin 2012/22

(21) Application number: 10802015.7

(22) Date of filing: 23.07.2010
(51) International Patent Classification (IPC): 
E21B 43/116(2006.01)
E21B 43/1185(2006.01)
(86) International application number:
PCT/IB2010/002163
(87) International publication number:
WO 2011/010223 (27.01.2011 Gazette 2011/04)
(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 SE SI SK SM TR

(30) Priority: 31.07.2009 US 230468 P
24.07.2009 US 228460 P
02.11.2009 US 257374 P

(71) Applicants:
  • Integrated Production Services, Ltd.
    Calgary, AB T2P 3G2 (CA)
  • Coffey, Nathan Brian
    Grande Prairie, AB T8W 2Y9 (CA)
  • Mytopher, Terry Lee
    Grande Prairie, AB T8W 2J5 (CA)

(72) Inventors:
  • COFFEY, Nathan, Brian
    Grande Prairie AB T8W 2Y9 (CA)
  • MYTOPHER, Terry, Lee
    Grande Prairie AB T8W 2J5 (CA)

(74) Representative: Wightman, David Alexander 
Barker Brettell LLP 100 Hagley Road
Edgbaston Birmingham B16 8QQ
Edgbaston Birmingham B16 8QQ (GB)

   


(54) WELLBORE SUBASSEMBLY WITH A PERFORATING GUN