Page 27 - Open-Hole Log Analysis and Formation Evaluation

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the
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All
made
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overall
Correct
carbons
logging
sidered
the
capacity
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wireline
of
porosity,
too
analyzed
TESTING
formation
in
fluid
becoming
formation
choice
(DST)
open-hole
measuring
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evaluation.
in
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record
Open-hole
WIG LMU)
well
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logging and
control
Increasingly
instruments.
OPEN-HOLE
to
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log
logs,
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Formation testing
“MEASUREMENTS
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formation
formation and will
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detail
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samples
devices.
training on the part
measurements
logging
only
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the
properties
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logs
to
or
formation
formation
isolation.
radioactivity,
evaluation
interpretation
but
critical
with
flow
is
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LOGGING
are
It
for
overall
analysis.
WHILE
accurate
of the
These
are
but
ona drillstem test,
saturation,
continuous
GALHERING
in
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measurement-versus-depth
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Unfortunately,
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evaluation
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and
evaluation.
picture
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and
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be
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to
by use
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record.
a
and
formation
hoped
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rock
detailed
measurements
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proof
of
DRILLING
usable
analyst or a
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no amount
incorrectly
Figure
of
logs
of
the
ability
FORMATION
great
in
the
methods.
DST
end
properties.
hydrocarbons
ability to sample many different horizons
decision
properties
that
that
content,
type.
to
1.1
log
so
of pressure records
resistivity,
in
In
is
complement
a
log
are
is the proof of the pudding.
other
of special
and
offshore
interpreted
this
obtained
formation
Only
evaluation
analyzed
can deny that a productive zone has been found.
alone.
from
bulk
central
to
making
immediate
meeting
formation
of logging and casing points. Although
by
drill
produce
analysis
being
wells
in the well
measurement
attempts
task.
EVALUATION:
on
acquired
elastic
book
analysis
logged
in
role
in
drillstem
give
particular,
to
measurement-while-drilling
methods
themselves
place
not as
hydrocarbons
pressure
MWD
because
a
through
are
density,
However,
the
collars
of
will
the
Almost without
such
drillstem
DATA
of
where
versus
with
of
tests
of
and
are
data
properties
not
a
exist
knowledge
that
all
measured
modulae.
long
(MWD)
by
tests
are
wireline
in
natural
at
of
assist
illustrate
procedures.
of
that
depth
matters
lack
such
context
of logging data or core analysis
the
complete as
Ifthe well flows hydro-
house
the
wellbore
tools
as
the
also supplies vital data regarding both the
a drillstem
rapidly
adds
term.
and produce not
con-
as
their
continuous
are
wireline
always
formation
lack of understanding of where
exception,
open-hole
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