E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/29
E21B 43/28 (2006.01) C09K 8/86 (2006.01) C10G 1/04 (2006.01) E21B 43/26 (2006.01) E21B 43/267 (2006.01)
Patent
CA 1152428
-12- Abstract of the Disclosure A process for recovering oil from oil containing masses and formations by contacting such oil bearing masses with waste foul condensates, known as black liquor, from paper and pulping operations; thereby to free the oil pre- sent or bound up in such masses and simultaneously provide a use for the heretofore considered unusable black liquors, the disposal of which up to now have presented both an economical and ecological problem.
370755
Hradel Joseph R.
Smart & Biggar
LandOfFree
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