Risk Analysis Methods for Pipelines in Niger Delta

Abstract

This paper focuses on all possible risks, which may occur when carrying out a
pipeline operation on an existing pipeline within the Niger Delta region of Nigeria. Risk
analysis methods for pipeline in Nigeria Niger Delta region were evaluated using A Failure
Modes Effects and Criticality Analysis (FMECA) method. A Failure Modes Effects and
Criticality Analysis (FMECA) of the complete pipeline process were carried out which
identified most of the project’s possible failure modes. Two specific methods of risk
assessment – Risk matrix graph and Risk Priority Numbers (RPN) were then employed to
verify the analysis and define the risk involved in each activity. The FMECA assessment
process identified many intolerable risks. However, by identifying control measures that
can be incorporated into the activity’s procedure, the levels of risk were reduced to a
satisfactory level. The application of this mitigation strategy resulted in only eight activities
remaining at the medium risk level. Not one of these residual medium level risks would
stop a typical pipeline project from proceeding.