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Oil & Gas

Frac hit – how does it work?

“Let’s start at a situation where we are drilling a 10,000 ft horizontal well in a prospective but yet undrilled…

Serendipity maximisation

“When people make a creaming curve for a basin,” says Ian Longley from GIS-Pax, “they draw a line, and say…

The Supermajors are scaling up, are you?

In the noughties and 10s, wildcat exploration, the fierce frontline of the E&P sector, was characterised by small ambitious pioneers,…

Mexico – what’s happening

One of the best ways to learn how an industry is doing is to talk to people when you are…

New oil in an old field

Whilst attending a webinar the other day, Andrew Latham from WoodMac presented an overview of the largest discoveries of 2025.…

On the Horizon

Houston, USA, 22 – 24 June

Paramaribo, Suriname, 23 – 26 June

9th EAGE Conference on Conjugate Margins
Newfoundland and Labrador, Canada, 27 – 31 July

Energy Transition

Subsurface Storage

Geothermal

No B without A

In oil and gas, production is influenced by market de­mand, but it remains relatively decoupled from end-use consumption – you…

Seabed Minerals

First seabed copper from Norway

Over the past three years, academia and industry joined forces in the pro­ject EMINENT to in­crease knowledge of the deep…

New Gas

A helium prospect without a trap

After the initial hype of helium exploration in the Rukwa basin in Tanzania, things went quiet for 18 months. This…

Western Pyrenees foothills – the hotspot for natural hydrogen

The growing interest in hydrogen within the con­text of the energy transition has recently led to renewed scientific attention, resulting…

Exploration Opportunities

A Cenomanian- Turonian source rock adventure in the Pelotas Basin

After the Aptian source lying on top of the early-drift oceanic crust, the second most important source rock in the South Atlantic is the Cenomanian-Turonian (CT) sequence, a pelagic organic-rich mud ubiquitously deposited in a global anoxic event. Seismic velocity inversion of 3D seismic data in the Pelotas Basin reveals a nuance to the CT-driven play, interpreted to be partly
reworked by contourites. The hunt for tools to chase this phenomenon is on…

AI-driven integration for deeper subsurface insights

Artificial intelligence is transforming geoscience, enabling unprecedented improvements in seismic interpretation, reservoir characterization, and multi-disciplinary data integration. Traditional subsurface workflows – often slow, siloed, and constrained by manual interpretation – are being reshaped by foundation models, multi-modal learning, physics-informed neural networks, and agent-driven automation.

Recent breakthroughs in seismic foundation models (SFMs), multi-modal geoscience transformers, and generative AI have demonstrated substantial gains in speed, accuracy, and generalization across surveys. These advances mark the beginning of a new era in earth modelling: One that promises holistic, continuously updating digital twins of the subsurface.

From image to insight: Why seismic data quality matters for CO₂ storage

High-quality subsurface imaging, espe­cially of the shallow stratigraphic section, is critical to the success of CO₂ storage projects. In 2014-2018, Viridien began acquiring a regional broadband 3D seis­mic survey in the Northern Viking Graben (NVG). This regional dataset covers the Horda Platform in the north and Stord basin in the south, as seen in Figure 1 below. This dataset has been reimaged with Viridien’s latest proprietary technol­ogies through continuous development, as industry demand for higher-quality data has grown. The newly reimaged NVG data (see map) reveals potential opportunities in semi-open aquifers with substantial storage capacity in the Stord Basin, where suitable reservoirs and seals may enable efficient injection and trapping of CO₂.

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From the Industry

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Subsurface

In the news

Ideas over barrels

When France launched the slogan «On n’a pas de pétrole, mais on a des idées» dur­ing the oil shock, it…

Subsurface noise #8

THE REALITY BEHIND FLASHY JOB TITLES I recently spoke with someone who works for a large international operator. To me,…

Subsurface noise #7

CORING MUDSTONES A wellsite geologist told me the other day that he was on one of the major oil platforms…

Geology & Geophysics

Mid Atlantic ocean floor at outcrop

The island of Maio, Cabo Verde, 600 km the west of Senegal, is the only place where Cretaceous mid-ocean floor…

What else is hiding in your reservoir brine?

For more than a century, pe­troleum exploration has fo­cused on hydrocarbons. Yet, sooner or later, every produc­ing oil and gas…

Portraits

What words mean

Do we both have the same con­cept in mind when we talk about a 3D model? “No,” says Katya Casey,…

Technology

Why shouldn’t all nodes be the same?

“The nodes we produced until this point were tailored to fully autonomous recording,” says Tom O’Toole from STRYDE when we…

Turning the tide

There is a big difference be­tween conventional and unconventional hydro­carbon production when it comes to water produc­tion. When drilling a…

Stories on Camera

Coring assembly

During our second visit to Reservoir Group’s coring warehouse and workshop in Aberdeenshire, Steve Rait – Coring Manager Europe –…

Coring process step by step

We often talk about core being the only ground-truth data from the subsurface, but how is core cut from a…

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