Experience. Insight. Independence.

We are the well decommissioning experts.

We are all UK Chartered Engineers with extensive and complementary experience in technical, managerial, board level and consultancy roles working for operators and a diverse range of clients worldwide.

No­-one understands the industry context better:

  • We’re trusted advisors to government and industry, and have represented operators on cross-­industry decommissioning forums
  • We’ve helped write well decommissioning standards and industry guidelines
  • We have access to an unparalleled network of industry experts

In addition, our alliance with Strategic Decom provides a truly singular approach covering the entire scope of decommissioning from the topsides and subsea infrastructure, right down to wells and the subsurface.


Profile of Stephen Jewell

Stephen Jewell

Managing Director

Steve has spent most of his 30­-year career in senior management and board level roles within operator companies. These have included Area Asset Manager for four major North Sea fields, Global Head of Drilling and Well Technology for a mid­cap multinational and founder and COO of a leading European unconventional gas operator.

He joined Conoco in 1982 and has a strong background in all aspects of well construction and subsurface engineering, including global responsibilities related to rig procurement and corporate technical excellence.

Steve’s considerable capability includes:

  • Advising a European National Government Agency on all drilling and well related matters, including decommissioning.
  • Contributing to the DECC­ sponsored study evaluating long­term risks on plugging CO2 storage wells.
  • Wide ranging well decommissioning experience including as study lead for an Oil & Gas UK­ commissioned review of the requirements for deepwater well abandonment worldwide and similar project work for a leading operator in the Falkland Islands basin.
Profile of Graeme Johnston

Graeme Johnston

Technical Director

Graeme has been involved in well engineering since 1986, and subsea production field well decommissioning since 1993. He has a first class technical pedigree and during his 30 year career has held a number of senior technical and managerial positions including Global Technical Authority for Subsea Well Systems at BG Group and Area Asset Manager for the West Shetland basin at Hess Corporation.

Whilst Well Decommissioning Manager with Hess Corporation, he was responsible for all aspects of strategy development and planning for the 33­-well Ivanhoe/RobRoy and Fife/Flora/Fergus project.

With international experience in all aspects of well engineering and operations, and with specific subsea well expertise, he’s been involved in a number of well decommissioning peer review teams. He also led a study into the use of light well intervention vessels in subsea well decommissioning, and was part of the UK Oil & Gas working group for the 2012 update to the Well Abandonment Guidelines.

Profile of Peter Greaves

Peter Greaves

Technical Director

Peter is an oil and gas consultant with more than 30 years’ experience working internationally with major operators, latterly as well examiner for Chevron Upstream Europe.

Peter started as a Drilling Engineer with Britoil in 1985. In 1991, he moved to Hess Corporation where he held various well engineering and operational positions including Drilling Engineering Manager for Europe, North Africa and Asia.

He has extensive experience in the North Sea ­ in the UK, Danish and Norwegian offshore sectors ­ in well construction, well integrity and decommissioning, conducted from platforms, mobile units and jack­ups.
Peter also spent 10 years with BG Group, primarily leading their UK and Norway High Pressure, High Temperature Wells function.

With a specialist background in all aspects of well construction and examination, he has served as drilling engineering lead on a number of field abandonment and decommissioning projects. Peter has also acted as technical author of corporate well barrier and abandonment technical standards.


Independent Assurance

From well engineering and operations to subsurface geology, we have unrivalled knowledge of well decommissioning; its risks and uncertainties.


We have an opportunity to embed the right approach to well decommissioning in the energy industry’s mindset.

Specialist Insights

The pace of technological development and its deployment should and must accelerate in order to increase the efficiency and effectiveness of decommissioning wells.

— What we offer isn’t simply refinement; it’s a necessary transformation in the industry’s perspective and holistic approach to well decommissioning. —