Transitioning to non-intrusive pig signallers: An environmental and operational necessity for the oil & gas sector

By Carey Aiken – Online Electronics

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Actual and perceived hydrocarbon emissions from oil and gas infrastructure – including pipelines – are currently under the microscope. The oil and gas sector, responsible for a substantial portion of global hydrocarbon emissions, is particularly under scrutiny. It's essential to adopt innovative measures that both mitigate environmental impact and ensure efficient operations. One such measure is the transition from intrusive to non-intrusive pig signallers.

Intrusive pig signallers, despite their longstanding use, come with a set of inherent risks. Their installation process involves cutting a nozzle hole in critical pipeline components, followed by welding a specific type of pipe fitting. Not only does each weld introduce a potential emissions source, but the very nature of these signallers, with their pressurized mechanical design, introduces multiple potential leak paths.

Maintenance recommendations further highlight the issues. Standard practice dictates a maintenance check every two years. But the real-world implications of this can be daunting: either a pipeline shutdown, an operation few companies can afford, or the hazardous procedure of removing the signaller under pressure. Add to this the unfortunate reality that these steps are sometimes neglected, and the risk factor increases considerably.

Non-intrusive pig signallers are a testament to how technology can align with sustainability. Without the need for invasive installations, they significantly reduce potential leak paths. Beyond the obvious environmental benefits, their design minimizes operational hazards, promoting workplace safety.

But the advantages don't stop at environmental safety. The operational efficiency of non-intrusive signallers offers compelling incentives for businesses. Their design allows for easier integration into existing systems, reducing downtime associated with installations. Over time, the reduced need for regular invasive maintenance can translate to cost savings, a factor that makes them an attractive long-term investment.

The switch to non-intrusive signallers is more than just an equipment upgrade; it signals a broader shift in industry practices. As regulatory frameworks worldwide become more stringent and public sentiment increasingly favours green initiatives, industries need to adapt. Embracing technologies like non-intrusive signallers can position a company as an industry leader in sustainability. This can lead to increased confidence and customer trust.

Moreover, the industry stands to benefit from knowledge-sharing and collaborative initiatives. Companies that have successfully transitioned can serve as case studies, guiding others through the process. By fostering a culture of continuous improvement and innovation, the sector can collectively move towards a more sustainable future.

The case for transitioning to non-intrusive pig signallers is a clear one. As the world strives to overcome the challenges of meeting energy demands and mitigating environmental impact, industries must rise to the occasion. For the oil and gas sector, the choice is evident. By adopting technologies like non-intrusive signallers, they can play a pivotal role in shaping a sustainable future, while simultaneously enhancing operational efficiency and gaining stakeholder trust.

Magnetic signaller