EP 2761122 B1 20160921 - METHOD AND SYSTEM FOR HYDRAULIC FRACTURING
Title (en)
METHOD AND SYSTEM FOR HYDRAULIC FRACTURING
Title (de)
VERFAHREN UND SYSTEM FÜR HYDRAULISCHE FRAKTURIERUNG
Title (fr)
PROCÉDÉ ET SYSTÈME DE FRACTURATION HYDRAULIQUE
Publication
Application
Priority
- US 201113246634 A 20110927
- US 2012051861 W 20120822
Abstract (en)
[origin: WO2013048643A1] A fracturing operation is done in open hole without annular space isolation. The annular space is spanned by extendable members that are located behind isolation valves. The extendable members can comprise a biodegradable plug that allows extension of the extendable members by application of pressure. With the plug remained in place, additional pressure can be delivered until at least a portion of the degradable material is pushed onto the surface of the formation. At least a portion of the pushed degradable material provides a seal between the end of the extendable members and the surface of the formation to allow pressure to build until the formation frac gradient is exceeded and the formation is fraced.
IPC 8 full level
E21B 43/26 (2006.01); E21B 43/112 (2006.01)
CPC (source: EP RU US)
E21B 34/063 (2013.01 - EP); E21B 34/14 (2013.01 - RU); E21B 43/11 (2013.01 - EP); E21B 43/112 (2013.01 - EP); E21B 43/26 (2013.01 - EP RU US); E21B 2200/08 (2020.05 - EP)
Designated contracting state (EPC)
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
DOCDB simple family (publication)
WO 2013048643 A1 20130404; AU 2012316663 A1 20140306; AU 2012316663 B2 20160519; BR 112014007068 A2 20170328; BR 112014007068 B1 20210420; CA 2848205 A1 20130404; CA 2848205 C 20160531; CN 103857870 A 20140611; DK 2761122 T3 20161205; EP 2761122 A1 20140806; EP 2761122 A4 20150401; EP 2761122 B1 20160921; MX 2014003649 A 20140521; MX 343581 B 20161110; PL 2761122 T3 20170228; RU 2014116958 A 20151227; RU 2604600 C2 20161210
DOCDB simple family (application)
US 2012051861 W 20120822; AU 2012316663 A 20120822; BR 112014007068 A 20120822; CA 2848205 A 20120822; CN 201280047074 A 20120822; DK 12837172 T 20120822; EP 12837172 A 20120822; MX 2014003649 A 20120822; PL 12837172 T 20120822; RU 2014116958 A 20120822