Table 3 Failure statistics of subsea manifold system45.

From: Reliability analysis of subsea manifold system using FMECA and FFTA

Common failure modes of subsea manifold system

RBD

Breakage

INF

Insulation/isolation failure

COM

Combined causes

LCP

Leakage of critical location

DOP

Delayed operation

OTH

Other failure

ELP

External leakage (Process medium)

PLU

Plugged

ELU

External leakage (Utility medium)

SPO

Spurious operation

FTC

Fail to close/lock on demand

STD

Structural failure

FTF

Fail to function on demand

ILP

Internal leakage(Process medium)

FTO

Fail to open/unlock on demand

ILU

Internal leakage(Utility medium)

HIO

High output