Abstract
An oil recovery medium for particular use in water flooding comprises a base liquid and potassium carbonate. The base liquid may be water and the base liquid and the potassium carbonate may be biocompatible materials and resistant to thermal and/or bacterial degradation.
| Original language | English |
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| Patent number | GB2531785 |
| IPC | E21B 43/ 20 A I |
| Priority date | 30/10/14 |
| Publication status | Published - 4 May 2016 |