Session 4

Tuesday 23 November : 3.00 pm – 4.00 pm


Session Champion

It’s an exciting time for the North Sea offshore energy industry, with key themes of the energy transition, digitalisation, cost effective, energy integration, and decommissioning all happening as we continue to focus on Maximising Economic Recovery from our UKCS oil and gas infrastructure.


Speakers and Panellists

Walter Thain
Chief Executive Officer
THREE60 Energy

Walter Thain is the Chief Executive Officer and co-founder of THREE60 Energy Group. As a senior leader with three decades of experience in the energy industry, he leads the strategic growth of the group’s five service lines spanning subsurface, wells, engineering, construction and operations across the UK, Norway and Southeast Asia.

His proven leadership skills, passion for innovation, and dedication to addressing industry needs, has seen the group deliver a flexible, value-driven service to a growing global customer base since its inception.

This has seen the group support some complex, challenging and important projects in the energy sector under Walter’s leadership, from late life operations to decommissioning, with a continual focus on differentiated contractual models that ultimately deliver added value for their customers. In addition, the group is actively delivering low carbon solutions to support a net zero economy.

He has significant experience both in the UK and international market, which is coupled with an (Hons) degree and a professional qualification in Civil Engineering.

Anthony Fievez
Commercial Manager
Heerema Marine Contractors

Anthony has been involved in decommissioning since 2009 and in his current capacity as Decommissioning Commercial Manager has spent the last 5 years engaging directly with operators, regulators and other stakeholders to assist them with their decommissioning challenges. Anthony is a strong believer in the strength of supplier-led solutions and operators doing less to achieve more. He also represents Heerema on the Board of Decom North Sea.

John Allan
Decommissioning Director


John started his career at Shell International working on a variety of international assignments before joining CNRI in 2005. Since then he has worked predominantly on decommissioning projects including Murchison, Ninian North and Olowi projects. In early 2020 he joined Enquest to build their decommissioning business and capability. Current projects include the Heather and Thistle platforms in the East Shetland basin and a portfolio of subsea assets.

Phil Milton
Chief Executive Officer
Well-Safe Solutions

With over 30 years of experience in the oil and gas industry, Phil has a compelling track record in delivering well-related projects and start-up organisations in the energy sector.

His extensive technical knowledge is underpinned by his credentials in the safe and efficient delivery of multiple projects, covering all aspects of the well lifecycle for operators including Canadian Natural Resources, Shell, BP, BG Group and ConocoPhillips. These projects have included large-scale North Sea well decommissioning projects, such as the Murchison and Hutton TLP.

Phil is the Chief Executive Officer of Well-Safe Solutions, having been brought onboard at the outset of the company in 2017. As a shareholder and member of the Board of Directors, he is focused on providing the industry with an effective plug and abandonment solution, in response to one of the industry’s largest challenges.

Lee Hanlon
CessCon Decom

Lee Hanlon has over 20 years’ oil and gas industry experience gained through multiple engineering and management roles in commissioning, operations, maintenance and decommissioning, for a variety of oil and gas companies and contractors across Europe Lee is the CEO of CessCon Decom, a decommissioning service provider established in 2018 to deliver safe, innovative, cost-effective and environmentally responsible decommissioning services with a strong focus on the circular economy As CEO, Lee has grown CessCon Decom into a global decommissioning service provider with operations in the UK, Scandinavia and South East Asia Lee has a Master’s Degree in Engineering Management and has been part of Decom North Sea’s Leadership Group for several years. He is committed to developing new methodologies towards his goal of achieving the highest possible reuse and recycling rates of oil & gas infrastructure, further contributing towards establishing the UK as a global leader in the decommissioning sector.