E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
166/33
E21C 45/00 (2006.01) C09K 8/58 (2006.01) E21B 43/40 (2006.01)
Patent
CA 1238268
ABSTRACT OF THE DISCLOSURE A non-thermal, chemical "huff and puff" method for improved oil recovery is provided in which surfactant/ cosurfactant/brine mixtures are used to recover viscous and other hydrocarbons from single wells.
494585
Hass Gary R.
Hayes Michael E.
Nestaas Eirik
Ostrovsky Mikhail V.
Sharpe Robert
Osler Hoskin & Harcourt Llp
Petroleum Fermentations N.v.
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