Mineral oils: processes and products – Products and compositions – Lubricating oils
Patent
1980-11-10
1983-06-07
Novosad, Stephen J.
Mineral oils: processes and products
Products and compositions
Lubricating oils
166267, 166303, 166304, 166306, C10G 104
Patent
active
043870163
ABSTRACT:
A process for separating and recovering bituminous material from tar sand and other viscous petroleum deposits, either in-situ or after mining the deposits. The process may also apply to heavy oil wells and to secondary and tertiary recovery of oil from wells. The bituminous-containing matter is contacted within a confined space with the vapors of a halogenated, organic solvent, whereby the bituminous material separates from the other matter. The bituminous material accumulates at the bottom of the confined space and is recovered therefrom.
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Crellin Terry M.
Criddle B. Deon
Novosad Stephen J.
Suchfield George A.
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