Global Patent Index - EP 1981952 A2

EP 1981952 A2 20081022 - METHODS FOR OIL EXTRACTION

Title (en)

METHODS FOR OIL EXTRACTION

Title (de)

VERFAHREN ZUR ÖLGEWINNUNG

Title (fr)

PROCÉDÉS D'EXTRACTION DE PÉTROLE

Publication

EP 1981952 A2 20081022 (EN)

Application

EP 07762662 A 20070129

Priority

  • US 2007061248 W 20070129
  • US 76333106 P 20060130

Abstract (en)

[origin: WO2007090099A2] The present invention relates to methods for the extraction of heavy oils and oil sands from oil reservoirs and methods for the extraction of bitumen from oil sands and oil shale. The methods comprise an injection of a solvent comprising sodium silicate, the use of thermal technology, and/or the use of gas injection into an oil reservoir to enhance the extraction of oil from the oil reservoir. Further, methods of extracting bitumen from oils sands using a solvent comprising sodium silicate are also provided.

IPC 8 full level

C10G 1/04 (2006.01)

CPC (source: EP US)

C09K 8/592 (2013.01 - EP); C09K 8/594 (2013.01 - EP); C10G 1/04 (2013.01 - EP); C10G 1/045 (2013.01 - EP); E21B 43/24 (2013.01 - EP US); E21B 43/34 (2013.01 - EP US)

Citation (search report)

See references of WO 2007090099A2

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2007090099 A2 20070809; WO 2007090099 A3 20080124; AU 2007211109 A1 20070809; BR PI0706789 A2 20110405; CA 2640005 A1 20070809; CN 101454422 A 20090610; EA 200870220 A1 20090227; EC SP088705 A 20090130; EP 1981952 A2 20081022; MX 2008009707 A 20081217

DOCDB simple family (application)

US 2007061248 W 20070129; AU 2007211109 A 20070129; BR PI0706789 A 20070129; CA 2640005 A 20070129; CN 200780008514 A 20070129; EA 200870220 A 20070129; EC SP088705 A 20080828; EP 07762662 A 20070129; MX 2008009707 A 20070129