Description of Selected Feature Values

**Table G.1:** Description of the Feature Values for Feature *Failure Mode* , *FM_CODE* , which Describes the Type of Failure that has Occured.
Value	Description
NNF	No function.
NEF	Erroneus function.
NFI	Failure indication.
NOT	Others.

Value	Description
AI	Compressed air
CB	Combined function
EM	Emergency power
EP	Essential power
GE	Gas export
GI	Gas injection
GL	Gas lift compression
GP	Gas processing
GT	Gas treatment
MP	Main power
OH	Crude oil handling
WI	Water injection

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[Description of the Feature Values for the Feature System ] Description of the Feature Values for the Feature System , SYS_CODE , which Denotes the System that the Item is a Part of.

**Table G.3:** Description of the Feature Values for Feature *Design Class* , *DC_CODE* , which Describes the Design Class of a Compressor.
Value	Description
AX	Axial.
BL	Blowers/fans.
CE	Centrifugal.
RE	Reciprocating.
SC	Screw.

Value	Description
CM	Control and monitoring
CS	Cooling system
EM	Electric motor
GG	Gas generator
LU	Lubrication system
MI	Miscellaneous
PO	Power turbine
ST	Starting system

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[Description of the Feature Values for Feature Sub Unit ] Description of the Feature Values for Feature Sub Unit , SU_CODE , which Describes which Part of the Item that Failed.

**Figure G.1:** Plot of Feature Values for INVENTORY_INST_ID.
$\begin{figure} \begin{center} \scalebox {0.45}{\includegraphics*[05cm,14cm][25cm,26cm]{invent.eps}} \end{center}\end{figure}$

**Figure G.2:** Plot of Feature Values for FM_CODE.
$\begin{figure} \begin{center} \scalebox {0.45}{\includegraphics*[03cm,14cm][25cm,26cm]{fm.eps}} \end{center}\end{figure}$

**Figure G.3:** Plot of Feature Values for FD_NO.
$\begin{figure} \begin{center} \scalebox {0.45}{\includegraphics*[03cm,16cm][25cm,26cm]{fd.eps}} \end{center}\end{figure}$

**Figure G.4:** Plot of Feature Values for FAILURE_EVENT_REM_CODE.
$\begin{figure} \begin{center} \scalebox {0.45}{\includegraphics*[05cm,14cm][25cm,26cm]{fevent.eps}} \end{center}\end{figure}$

**Figure G.5:** Plot of Feature Values for M_DOWNTIME.
$\begin{figure} \begin{center} \scalebox {0.45}{\includegraphics*[03cm,13cm][25cm,26cm]{downtime.eps}} \end{center}\end{figure}$