Heavy oil recovery by steam-driven hydrocarbon slugs from linear porous media
Conference
·
· Soc. Pet. Eng. AIME, Pap.; (United States)
OSTI ID:6918516
This work was principally concerned with an experimental study of oil recovery from a porous medium by the injection of a light hydrocarbon slug, followed by a steam slug, which is in turn driven by a conventional waterflood. An attempt was made to simulate the experiments by use of a cell model. The experiments involved fluid displacements in 2 glass bead packs having a rectangular internal cross-section of 1.75 x 3.75-in. and 48-in. length, overlain and underlain by 1.5 ft thick sand packs to simulate the adjacent formations. It was found that the light hydrocarbon slug injected prior to the steam slug in a core initially containing a residual oil saturation improved the oil recovery as compared to a straight steam slug run. It is concluded that from the recovery ratio (volume of oil recovered divided by hydrocarbon slug volume) point of view, it is advantageous to use a low viscosity light hydrocarbon slug, and a small slug size.
- Research Organization:
- Kuwait Univ
- OSTI ID:
- 6918516
- Report Number(s):
- CONF-7410175-
- Conference Information:
- Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States) Journal Volume: SPE-5019
- Country of Publication:
- United States
- Language:
- English
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