E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/40 (2006.01) C09K 8/58 (2006.01) C09K 8/60 (2006.01) C10G 21/00 (2006.01) E21B 43/22 (2006.01) E21B 43/241 (2006.01)
Patent
CA 2693640
In solvent-dominated recovery processes for recovering In situ oil, including bitumen, the produced fluid stream includes oil and solvent. The solvent is preferably recovered and re-injected into the reservoir. In previously described methods, solvent is removed from the oil/solvent mixture. In the present method, the oil/solvent mixture is first separated into a heavier stream and a lighter stream from which solvent is independently removed.
Hehmeyer Owen J.
Sirota Eric
Borden Ladner Gervais Llp
Exxonmobil Upstream Research Company
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