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03/02156 Hydrocarbon recovery from heavy petroleum reservoirs and oil sand deposits by combined steamflood-solventflood with decreasing steam or water-solvent ratio: Nasr, T. N. U.S. Pat. Appl. Publ. US 2003 62,159 (Cl. 166–272.1; E211343/24), 3 Apr 2003, Appl. 934,963
Volume:
44
Year:
2003
Language:
english
DOI:
10.1016/s0140-6701(03)92285-5
File:
PDF, 199 KB
english, 2003