(19)
(11) EP 2 836 676 A2

(12)

(88) Date of publication A3:
09.01.2014

(43) Date of publication:
18.02.2015 Bulletin 2015/08

(21) Application number: 13775769.6

(22) Date of filing: 11.04.2013
(51) International Patent Classification (IPC): 
E21B 43/26(2006.01)
E21B 43/16(2006.01)
(86) International application number:
PCT/US2013/036176
(87) International publication number:
WO 2013/155307 (17.10.2013 Gazette 2013/42)
(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: 12.04.2012 US 201261623515 P

(71) Applicant: Baker Hughes Incorporated
Houston, TX 77019 (US)

(72) Inventors:
  • CREWS, James
    Willis, TX 77318 (US)
  • HUANG, Tianping
    Spring, TX 77388 (US)

(74) Representative: Mabey, Katherine Frances 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) METHOD OF INCREASING THE PERMEABILITY OF A SUBTERRANEAN FORMATION BY CREATING A MULTIPLE FRACTURE NETWORK