SPE Journal
Volume 17,
Number 3,
September 2012,
pp. 671-679
Summary
A model for steam injection into naturally fractured carbonate reservoirs
provides a method of calculating the volume of heated formation for a given
amount of steam, provided that the assumptions of the model are satisfied. The
model represents the fractured reservoir by a system of blocks, dependent on
fracture spacing and dimensions. The amount of oil mobilized can be estimated
from prior measurements of oil saturation and laboratory tests of
oil-displacement efficiency. Results comparable to observations are obtained.
In addition, the temperature distribution along the direction of propagation in
the reservoir may also be estimated, provided that there is a guide to
variation in the local oil mobility. These results can assist in evaluating the
effectiveness of steam injection in the recovery of oil from naturally
fractured formations.
© 2012. Society of Petroleum Engineers
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History
- Original manuscript received:
24 June 2011
- Revised manuscript received:
30 November 2011
- Manuscript approved:
6 January 2012
- Published online:
3 July 2012
- Version of record:
12 September 2012
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