Meet our Sustaining Sponsors

Find out more about our fantastic GESGB Sustaining Sponsors below.
We are so grateful for their invaluable support to the society, which allows us to achieve our vision of community, technical excellence and charitable goals.

Please contact for more information on how to become a Sustaining Sponsor.


ERCE is a global energy, climate and sustainability consultancy providing expertise in subsurface, facilities and commercial services. For over four decades, our independent thinking and industry-leading expertise has been supplying the uncompromising answers the energy industry needs to reliably power our world.

Our Energy division focuses on oil and gas, and the future of energy, providing expertise and integrated solutions for the most complex challenges.

Our Climate and Sustainability division focuses on the Energy Transition, using our technical and commercial expertise to support client net zero strategies.


CGG is a global technology and HPC leader that provides data, products, services and solutions in Earth science, data science, sensing and monitoring.

Our unique portfolio supports our clients in efficiently and responsibly solving complex digital, energy transition, natural resource, environmental, and infrastructure challenges for a more sustainable future












Ithaca Energy is a leading independent oil and gas operator in the North Sea with a strong track record of material value creation.

Founded in 2004, Ithaca Energy has been on a rapid growth trajectory in the last three years, and today, Ithaca Energy is one of the largest independent oil and gas companies in the UKCS, ranking second by resources and third by production.

With stakes in six of the ten largest fields in the UK North Sea and two of largest three prospective developments, we play a pivotal role in meeting the current and future energy needs of the UK. We do not take this responsibility lightly, recognising that oil and gas will continue to play an important part of the long-term energy mix as we navigate the energy transition.

Our commitment to delivering attractive and sustainable returns is supported by a well-defined emissions-reduction strategy with a target of achieving net zero by 2040.




Thunder Exploration, Inc. is a privately held, internally funded oil and gas production and investment company organized in 1981, based in Houston, Texas. Its founder and principal, Walter S. Light, Jr. is a petroleum geologist with over 46 years of broad industry experience and is a graduate of the University of Texas at Austin.

Thunder generates drilling prospects in the United States and participates in drilling oil and gas wells and projects on a non-operated basis. Currently, Thunder Exploration has production under ~40 US-based operators, ranging from international majors to privately-owned concerns. With both geological and operational experience in planning and executing both vertical and horizontal wells in various plays and producing trends in the US. The company’s team of professional consultants and contractors provide a full complement of industry disciplines when required.

Using Mr. Light’s geological and business experience, Thunder also actively invests in public-traded, US and international E&P companies as well as participating in pre-IPO funding of start-up companies. Thunder continues to seek both US and international opportunities that build long-term business relationships in all investment arenas.

Contact: Walter S. Light, Jr. President / Geologist    +1 713.823.8288


Apache Corporation has operations in the United States, Egypt’s Western Desert and the United Kingdom’s North Sea, as well as exploration opportunities offshore Suriname.

Today, the world faces a dual challenge: To meet growing demand for energy and to do so in a cleaner, more sustainable way. We believe society can accomplish both, and we strive to meet those challenges while creating value for all our stakeholders.



Ikon Science is a global provider of geopredictive and knowledge management software and solutions to optimize subsurface discovery and production.

For over 20 years, Ikon’s dedicated service-minded teams have applied deep scientific expertise and technology innovation to help customers extract more actionable knowledge from sophisticated subsurface data.





Oilfield Production Consultants (OPC) is a global technical services consultancy to the exploration and production industry.

Established in 1988, OPC provides fully integrated geosciences, subsurface engineering, production technology, welltesting, reservoir surveillance and management expertise to NOCs, IOCs and Independents in the oil and gas sector.

We have offices in London, Aberdeen, Stavanger, Atyrau, Nur-Sultan, Doha, Perth, Dubai and Houston with representative offices in Kuwait, Abu Dhabi, Malaysia and Egypt. We have staff, consultants and technology deployed in-house at OPC and externally at our clients’ offices and well sites.


Shearwater’s technology, innovation and client collaboration deliver exceptional geophysical results.

Our powerful fleet, with modern technology, is manned by experienced crews working safely and efficiently to deliver a cost-effective high-quality service.

Our software, agile Processing & Imaging expertise, enables reduced costs and flexibility. Shearwater’s intuitive processing software, Reveal, offers modern powerful seismic data analysis.

Shearwater is committed to geophysics.



Established in 2007, Energean is a London Premium Listed FTSE 250 and Tel Aviv Listed TA-35 Exploration & Production company, with operations in multiple countries across the Mediterranean and UK North Sea.

Energean is the largest independent E&P firm (by market capitalization) listed in London, with a strong production & development growth profile. The Company explores and invests in new ideas, concepts and solutions to produce and develop energy efficiently, at low cost and with a low carbon footprint.

Gaia Earth Group provides worldwide services supporting safe and efficient formation evaluation operations and reducing risk and cost for our clients:

QA/QC for Wireline Logging, MWD & LWD

Gaia Cable Protection System (GCPS): Our system to predict and prevent cable sticking and keyseating

Research & Development: future conveyance technologies including cable-mounted sensing packages

Petrophysical Services

John H Martin Associates provides pre-unitisation, unitisation and equity redetermination support, advice and expert roles.

M&A due diligence, integrated subsurface project management, peer review or audit and co-ordination/editorial input to optimise the effectiveness of bids, submissions and other key technical documents. Seminars and workshops: remote or in-house.




Lynx Information Systems specialises in the provision of geological and geophysical data services to the Upstream Oil Industry. Founded in 1989 and with a global client base, Lynx is a recognised world leader in the field of data management and enhanced visualisation of national and corporate scale E&P data archives.

From National Data Repositories and Virtual Datarooms, to digital reconstruction of seismic and well log data, Lynx has been responsible for pioneering industry work such as the establishment of the UK Onshore Geophysical Library ( and the Exploration Fabric of Africa GIS (




RISC Advisory is an independent advisory firm offering the highest level of technical and commercial advice to a broad range of clients in the energy industries. We work in partnership with operators, non-operators, banks, and private equity firms to support their interests in energy projects around the world.

Using highly experienced staff from our offices in London, Perth, Brisbane and South East Asia, we provide a more comprehensive, reliable and respected opinion faster than anyone else in the industry. RISC’s independent and practical perspective helps our clients to understand the uncertainties, risks, opportunities and challenges associated across the entire project lifecycle, enabling them to make their decisions with confidence.

TotalEnergies has been present in the United Kingdom for more than 50 years and is the country’s leading oil and gas operator, with equity production of 158,000 boe/d in 2021. We employ around 1000 people both on and offshore.

TotalEnergies production in the United Kingdom comes principally from operated fields located offshore in three major zones: the Alwyn/Dunbar and Gryphon areas in the Northern North Sea; the Elgin Franklin and Culzean areas in the Central North Sea; and the Laggan-Tormore and Edradour-Glenlivet areas in the West of Shetland.






Find out more about what being a Sustaining Sponsor involves and how easy it is to become one here!

Please contact for more information or any questions.