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Electronic University Archive
74
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Title
Date
Type
1
Use of a submersible viscometer in the primary separation step of the hot water process for recovery of bitumen from tar sand
1987-01-20
Text
2
Treatment of primary tailings and middlings from the hot water extraction process for recovering bitumen from tar sand
1985-10-08
3
Thermal drainage process for recovering hot water-swollen oil from a thick tar sand
1987-05-26
4
System for handling the underflow from a primary separation vessel in the tar sand hot water process
1978-08-08
5
System for recovering viscous petroleum from thick tar sand
1977-04-26
6
Supercritical tar sand extraction
1982-07-27
7
Tar sand processing apparatus
1976-04-20
8
Tar sand production using thermal stimulation
1985-04-02
9
Solvent extraction of tar sand
1979-02-13
10
Simultaneous upgrading of tar sand bitumen and coal by corefining
1988-08-16
11
Solvent extraction process for recovering bitumen from tar sand
1987-06-30
12
Separation of bitumen from dry tar sands
1978-10-17
13
Separation of solids from tar sands extract
1978-06-13
14
Recycle of secondary froth in the hot water process for extracting bitumen from tar sand
1988-10-11
15
Recovery of petroleum from viscous asphaltic petroleum containing formations including tar sand deposits
1977-08-16
16
Recovering viscous petroleum from thick tar sand
1976-11-30
17
Recovering hydrocarbons from tar sand or heavy oil reservoirs
1994-06-07
18
Recovery of heavy crude oil or tar sand oil or bitumen from underground formations
1992-09-08
19
Recovery of bitumen from tar sand
1981-02-10
20
Recovery of heavy crude oil or tar sand oil or bitumen from underground formations
1989-07-11
21
Production of bitumen from a tar sand formation
1976-05-25
22
Multiple drain method for recovering oil from tar sand
2001-07-24
Text
23
Process for selective recovery of relatively metals-free bitumen from tar sand using a halogenated aliphatic solvent in combination with a second solvent
1980-08-12
24
Process for separating high viscosity bitumen from tar sands
1984-12-04
25
Process to separate bituminous material from sand (tar sands)
1982-08-03
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