EP 2931830 A1 20151021 - INTEGRATED RECOVERY OF HYDROCARBONS FROM A SUBSURFACE RESERVOIR WITH NITROGEN INJECTION
Title (en)
INTEGRATED RECOVERY OF HYDROCARBONS FROM A SUBSURFACE RESERVOIR WITH NITROGEN INJECTION
Title (de)
INTEGRIERTE WIEDERGEWINNUNG VON KOHLENWASSERSTOFFEN AUS EINEM UNTERIRDISCHEN RESERVOIR MIT STICKSTOFFEINSPRITZUNG
Title (fr)
RÉCUPÉRATION INTÉGRÉE D'HYDROCARBURES À PARTIR D'UN RÉSERVOIR SOUTERRAIN À L'AIDE D'INJECTION D'AZOTE
Publication
Application
Priority
- EP 12196893 A 20121213
- EP 2013076626 W 20131213
- EP 13803080 A 20131213
Abstract (en)
[origin: WO2014091024A1] The invention concerns a method for the recovery of hydrocarbons from a natural gas subsurface reservoir, wherein a nitrogen stream (i) containing less than 10 ppm oxygen is injected into the natural gas reservoir, whereby the nitrogen stream (i) is prepared in and captured from a CLC reactor wherein a fuel is combusted through use of an oxygen carrier with a gas stream (ii) containing both oxygen and nitrogen, and wherein part of the hydrocarbons recovered from the natural gas reservoir are used as fuel in the CLC reactor. The invention further concerns an integrated production system with nitrogen injection for recovering hydrocarbons from a natural gas subsurface reservoir suitable for the above method.
IPC 8 full level
C01B 3/36 (2006.01); C09K 8/594 (2006.01); E21B 43/16 (2006.01); F23C 10/01 (2006.01); F25J 3/04 (2006.01)
CPC (source: EP)
C01B 3/36 (2013.01); C09K 8/594 (2013.01); E21B 43/168 (2013.01); F23C 10/005 (2013.01); C01B 2203/0255 (2013.01); F23C 2900/99008 (2013.01); Y02E 20/34 (2013.01)
Citation (search report)
See references of WO 2014091024A1
Citation (examination)
US 4393936 A 19830719 - JOSENDAL VIRGIL A
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)
DOCDB simple family (application)
EP 2013076626 W 20131213; EP 13803080 A 20131213