Global Patent Index - EP 2744976 A1

EP 2744976 A1 20140625 - SYSTEM AND METHOD FOR PRODUCING OIL

Title (en)

SYSTEM AND METHOD FOR PRODUCING OIL

Title (de)

SYSTEM UND VERFAHREN ZUR ÖLHERSTELLUNG

Title (fr)

SYSTÈME ET PROCÉDÉ DE PRODUCTION DE PÉTROLE

Publication

EP 2744976 A1 20140625 (EN)

Application

EP 12864952 A 20121213

Priority

  • US 201161570664 P 20111214
  • US 2012069350 W 20121213

Abstract (en)

[origin: US2013153228A1] The present invention provides a system and method for producing oil in which an ether-containing formulation is injected into a formation containing oil and an oil-immiscible formulation is injected into the formation, and oil is produced from the formation. The oil-immiscible formulation has a salt content of at most 5 wt. % and is comprised of water having a salt content of at most 5 wt. %.

IPC 8 full level

E21B 43/22 (2006.01); C09K 8/035 (2006.01); C09K 8/26 (2006.01)

CPC (source: EP US)

E21B 43/16 (2013.01 - EP US); E21B 43/24 (2013.01 - EP US)

Citation (search report)

See references of WO 2013106156A1

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)

US 2013153228 A1 20130620; CA 2858095 A1 20130718; CN 104011329 A 20140827; EA 201400697 A1 20141128; EP 2744976 A1 20140625; WO 2013106156 A1 20130718

DOCDB simple family (application)

US 201213714071 A 20121213; CA 2858095 A 20121213; CN 201280061526 A 20121213; EA 201400697 A 20121213; EP 12864952 A 20121213; US 2012069350 W 20121213