Swelling/extraction test of Russian reservoir heavy oil by liquid carbon dioxide |
A A LOBANOV,K A SHHEKOLDIN,I A STRUCHKOV,M A ZVONKOV,M V HLAN,E J PUSTOVA,V A KOVALENKO,A B ZOLOTUKHIN |
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Fig. 1. Schematic diagram of the laboratory apparatus. 1 - main PVT-cell; 2 - auxiliary PVT-cell with a floating piston; 3 - mini-PVT-cell with a floating piston; 4 - capillary viscometer; 5 - ultrasonic system; 6 - digital densitometer; 7 - two-cylinder digital pump to control cells with floating pistons; 8 - reservoir fluid; 9 - hydraulic oil; 10 - pressure and temperature sensors; 11 - electronic valves; V1-V13 - needle valves. |