Good Afternoon,
Thanks for the answer to the questión about trend and direction of
continuity which has been really useful for understand concept of
geostatistic.
I want to aproach the opportunity to receive assesory to build an Earth
Model of a petroleum reservoir that was determined to be two overlapping
deep water turbidite systems describing how I would approach building a 3D
integrated model of this reservoir system discussing about the following
aspect:
Exploratory data analysis
Spatial analysis
Structural and stratigraphic modeling
Facies modeling
Property modeling
Uncertainty analysis
Preparation for the flow simulator
The following is a general information that I have to take into account
for the contruction of the model:
The aerial extent of the entire reservoir system covers about 25 sq. km.
There are four primary facies (channel, levee, splay, and lobe). The
productive facies are the turbidite channels with secondary production
coming from the breached levee splays systems. The turbidite systems have
been prograding and migrating laterally through time. we have good 3D
seismic data (although it has an acquisition footprint) capable of
resolving the gross shape of the system laterally and vertically it is
able to resolve about 70m of section. The thickest part of the turbidite
system is about 160m and thinnest parts are about 80m. The seismic can
resolve the key faults. Further, acoustic impedance has been calculated
for the seismic data.
we have only a few wells (5) each of which has been cored and logged with
full suites of modern logs. However, some of the logs (particularly the
gamma ray logs) seem to contain very high frequencies (they seem noisy).
All the cores have been described in detail, so the facies descriptions
are accurate.
Core analyses have been run on all cores to determine porosity, and
permeability measurements. However, one of the cores has an analysis that
shows anomalously high porosity values for the channel facies.
I´ll apreciate all cooperation that you can gime me.
Regards!
Luis Arcia
Reservoir Engineer
Carito Field, Venezuela
PDVSA
LUIS ARCIA/ARCIAL/EP/PDVSA
05/23/2007 07:02 AM
Para
[email protected]
cc
Asunto
AI-GEOSTATS: trend and direction of continuity
Good Morning
I´m interesting in knowing some answer about geostatistic that maybe you
can help me. I´m working for PDVSA (Venezuela) and my questions are:
1. Under what conditions are the mean, mode, and the median the same?
2. What is the difference between a trend and a direction of
continuity?
I´ll apreciate all cooperation that you can gime me.
Regards!
Luis Arcia
Reservoir Engineer
Carito Field, Venezuela
PDVSA
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