EP 2666958 A1 20131127 - Method of fraccing a well
Title (en)
Method of fraccing a well
Title (de)
Verfahren zum Fracken eines Bohrlochs
Title (fr)
Procédé pour fracturer un puits
Publication
Application
Priority
US 201261650588 P 20120523
Abstract (en)
In order to overcome the problems that earlier methods have experienced, a method of fraccing or hydrofracturing or hydraulically fracturing a well is proposed, comprising - injecting natural gas into the well, and - recovering natural gas from the well.
IPC 8 full level
E21B 43/26 (2006.01)
CPC (source: EP US)
E21B 43/2605 (2020.05 - EP US)
Citation (applicant)
US 2012012321 A1 20120119 - WALLMANN KLAUS [DE], et al
Citation (search report)
[XI] US 2006065400 A1 20060330 - SMITH DAVID R [US]
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2666958 A1 20131127; US 2013312976 A1 20131128; WO 2013177114 A1 20131128
DOCDB simple family (application)
EP 13150380 A 20130107; US 2013041952 W 20130521; US 201313897699 A 20130520