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reservoir engineering characterization of the north study area of the C2/VLE-305 reservoir, Lamar Field, Lake Maracaibo, Venezuela
xiv, 289 leaves : illustrations, maps ; 28 cm.
305 reservoir unit in Lake Maracaibo, Venezuela and is
and additional recovery potential. The results of
and production and pressure performance. In this work
any reservoir is influenced by its heterogeneities,
applied to all types of sandstones, including shaly
attributes. A primary result of this study is the
characterize the distributions of porosity,
curve approach) to estimate recoverable fluid volumes,
defined by geologic interpretation and three new flow
distributions of rock and fluid properties in each
F7J parameter is that the latter includes the effect of
field development programs. The recovery efficiency of
FZI method. We also used rate-time analysis (type
has its own characteristics which control the movement
identify possible preferential flow zones. The "Flow
independent of lithology. The difference between the
method. The FZI method indicated seven distinct flow
modification of the FZI parameter such that FZI can be
obtain an empirical correlation of porosity,
obtained from a statistical correlation of porosity and
of fluids understanding flow units allows us to
old definition of the FZI parameter and our modified
parameter, MFZI, that we have developed should be
parameter. Our target reservoir member is the C2 unit
particularly the distributions of porosity and
performance and the results of production logs with the
permeability and production potential. To develop a
permeability and shale volume, where the MFZI model was
permeability distributions estimated using the modified
permeability. The FZI concept is used to identify flow
permeability. Therefore, in order to develop a
porosity correlation. Our study focuses on the C2/VLE-
properties we must be able define the vertical
representative model of the reservoir, we must be able
Reservoir charactefimtion is the key to successful oil
reservoir model that represents the reservoir
reservoir properties "flow units" and each flow unit
S, C211, C22 and C23) according to geologic description
sandstones. In this manner, the modified F7J
shale volume, Vh , as a parameter in the permeabdity-
then used to estimate permeability distributions for
these analyses allow us to establish prospective areas
these result from the division of the old C23 flow
uncored wells. We also correlated production rate
unit. We again specify that FZI method was used to
units that we call C23S, C23M and C231, where all of
units, and this parameter takes into account geological
units; the old C20, C21 S, C2 II and C22 already
used to illustrate the application of our modified FZI
we characterized the C2 member using our modified FZI
well. We call these distinct distributions of
which has been divided into five "flow units" (C20, C21
Zone indicator," FZI, is an empirical parameter that is