Page 46 - Open-Hole Log Analysis and Formation Evaluation

is
be
33
are
the
The
The
As
mud
Mud
most
itself
ment
items
Many
Not
stick.”
where
a
during
-drilled
not
mation
Weight
drilling
coring)
interest
include
‘cuttings
samples
through
of
all
In
Pitlevels
is
are
pretation,
and
formation
on
CHAPTER
surface
controlled
the
formations
formations
well
mud
MUD
of
informative
are
can
the
the
logging
is
only
in
presence
and
quantified,
bit,
wells
for-inspection,
the
them.
properties
with
to
vitally
TWO
commonly
engineer
techniques
case
MEASUREMENTS
are
evaluation
offer
both
drilled.
necessarily
porosity,
drilling
No
continuous
old saying goes:
hook
the
blowout,
of H,S
drilled,
but
to refer to
important to bear in
the
circulated
usually
embraces
such
of
(weight,
to
integration
Some
measurement
the
of mud
itas
load,
formation
other
recorded
far
important
“Ifyou
method,
mud
recoverable
of
measurements
RELATED
process.
of
drilling’
recorded, and
the
lithology,
recorded.
little
offering
to
drill
within
drilled with
logging equipment
and
includes measurements ofboth
It
hydrocarbon-bearing,
monitoring
and
the
a
form
pump
TO
a
more
the
into the
bit
use
mind when
the
and
its
in
logging,
The
viscosity,
of:
of
LOGGING
to
proof
surface
mud
THE
the
than
the
something
would
traces
parameters
engineer.
appearing
speed,
the. purpose of which
the
by
overall
seeker
incontrovertible
interpreted
is present,
bit
throw enough
crushes
of
is
be
salinity,
just
relatively
on
hydrocarbons.
contents
and
contents
etc.
the progress
the
objective
of
most
name
information
discussing
a
by
to
oil
“hydrocarbon well
the
logging
Such
positive,
a
formation
are
hydrocarbon
and
is
more
short
DRILLING
mud
here
of the
mud.
unit
cuttings.
rock
mud
stuck.
formation
formation
review
would
porous
is
mud some
If
and/or
in
all possible
provide
gathered
log
time
monitoring
to
logging.’
number
content
the
of it
is
and
temperature,
elegant
gas
their
These
drilling
prefer
Today,
of
included
are
physically
evaluation
PROCESS
after
Mud
properties
mud
evidence—unless
(fig.
to
measurements
evaluator.
vital
rock
use,
and
of
evaluation
will
as
etc.)
traces
a
of
encountered
an
operation;
mention
to
a
indications
2.1).
8
avoid.
returns
logging that actual
intet-
effort.
the
and
however.
the
more
measure-
reach
ana
operation
is bound to
(except
being
un-
may
available
Tc
drilling
for-
direct
might
logging
Other
measurements
the
permeable
of