EP 2431567 A2 20120321 - Methods for producing oil and/or gas
Title (en)
Methods for producing oil and/or gas
Title (de)
Verfahren zur Herstellung von Öl und/oder Gas
Title (fr)
Procédés de production d'huile et/ou de gaz
Publication
Application
Priority
US 38412110 P 20100917
Abstract (en)
A method for producing oil from an underground formation (406) comprising injecting an enhanced oil recovery formulation into a first well (432) in the formation, the enhanced oil recovery formulation comprising a foam; floating the foam on top of the oil, in order to force the oil towards a second well (412) in the formation; and producing the oil and/or gas from the second well.
IPC 8 full level
E21B 43/16 (2006.01)
CPC (source: EP US)
E21B 43/168 (2013.01 - EP US)
Citation (applicant)
- WO 2010040202 A1 20100415 - UNIV ALBERTA [CA], et al
- US 2009260809 A1 20091022 - WELLINGTON SCOTT LEE [US], et al
- US 4232741 A 19801111 - RICHARDSON EDWIN A, et al
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 2431567 A2 20120321; EP 2431567 A3 20120404; US 2012067571 A1 20120322
DOCDB simple family (application)
EP 11181541 A 20110916; US 201113233691 A 20110915