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Reliable density inversion and application in mapping
reservoir heterogeneity for heavy oil in WCSB
Presented by Yong Xu
November 20th or November 22nd, 2007
11:45 to 1 pm (lunch provided)
Suite 2600, 111 - 5th Ave SW, East Petro-Canada Tower
Limited seating, click here to
RSVP
This
is the fifth in a series of lunch & learn seminars, see
the sidebar for information on the other topics.
It is
well known that the bitumen bearing McMurray formation
in the oil sand area is highly heterogeneous. High risks
exist for SAGD projects if the reservoir heterogeneity
is not understood well. As the lithology may vary from
sand-dominated to mud-dominated in just a short
distance, inference from core to core may not be
reliable. Surface seismic, with its ability to image
subsurface laterally and vertically, has the potential
to help describe reservoir heterogeneity, and such
applications can be found in the literature over the
past decade.
Among
the seismically derivable attributes, bulk density has a
strong correlation with lithology in oil sand
reservoirs. The density information can be extracted
from pre-stack seismic data by extending commonly used
AVO inversion methods, However, it is usually unreliable
due to the ill-posed nature of the inverse problem. A
more reliable approach is presented in this talk to
overcome this issue. Its application shows the
advantages over other commonly used inversion approaches
in many aspects. The talk begins with a rock physics
study on oil sand reservoirs from a few areas in the
WCSB, and concludes with a case study to apply density
inversion to solve reservoir lithological structure.
To learn more, attend the
lunch & learn session on November 20th or November
22nd.
Click here to RSVP.
This course is
available as a free in-house seminar. For more
information contact Florence Janzen, 781-1437 or email
fjanzen@arcis.com. |
