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Here
we see the borehole image within the surrounding
geological formation. This is a visual representation
of the underground, which we can see and move around
in using Virtual Reality
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People who work in the oil industry, such as geologists,
geophysicists and reservoir engineers like to work with
3D models of the reservoir they are studying. These
models, which are often very large and complex, are
constructed using information from many different sources:
seismic data, which reveals structural features such
as faults or horizons on a scale of tens to thousands
of meters; and well logs, which yield local information
around the wellbore about the porosity, permeability
and other properties of the rock.
Using powerful graphics workstations in conjunction
with VR techniques, a geologist can manipulate, interrogate
and investigate a large reservoir model containing all
these different data types more easily. VR also accelerates
the pace of discovery, improves communication, reduces
the risk of error and makes the decision making process
more efficient. |
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This image is generated
from data gathered inside the 20-centimeter diameter
borehole of an oil well.
The tool, called Formation Micro Imager (FMI) measures
electrical resistivity. It has 8 pads with small
gaps between them, which result in the white lines
on the image. Each pad has 24 buttons, or sensors,
so there are 192 sensors taking resistivity measurements
around the borehole every 0.1 inch, or 2.54 mm!
Resistivity values are color coded and painted
on the cylinder representing the borehole. We are
looking straight down the borehole. |
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