Pipeline Safety

Damage Prevention Program

The West African Gas Pipeline was damaged in 2007 by a ship’s anchor. As a result of that incident, WAPCo undertook risk analysis and increased public awareness on pipeline damage prevention. WAPCo also put in place marine risk marine risk mitigation strategies and marine protection measures which culminated in the offshore Damage Prevention Programme (DPP)

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Right of Way Management

WAPCo is has in place a Right of Way Management System which is constantly reviewed to guarantee the safety of the pipeline and the communities living around the pipeline right of way.

Breach of the Pipeline

With the introduction of gas into the pipeline, a vessel causing damage to a it could face an immediate hazard either by loss of buoyancy due to gas aerated water, or by fire or explosion, or a combination of all the three, and result in an environmental hazard. A breach will also result in the contents of the pipeline escaping into the marine environment. The pollution hazard will depend on the composition of the gas. Hazardous pollution situations could result if the composition of H2S in natural gas is high.

Impact on Gas Supply

The contribution of gas delivery to the economies of the three countries can be assessed in terms of the power generated. A breach of the WAGP pipeline will halt gas delivery to these power producers across Ghana, Togo and Benin until repairs are completed. Such a situation would have severe financial implications for WAPCo and the power generating companies and eventually the final consumer. And remember that offshore repairs take considerable length of time to effect.

Outlay chart of pipeline

WAGP Offshore Gas Pipeline As-built - Composite Model

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Pipeline Protection Zone Coordinates

ANCHORING EXCLUSION ZONE CORRIDOR LIMITS

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