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The global energy sector from a subsurface perspective

Oil & Gas

New modelling study reveals a petroleum system overlying oceanic crust offshore Equatorial Guinea

José Miguel Gorosabel-Araus And Paul Mann, Department of Earth and Atmospheric Sciences, University of Houston, Andrew Pepper, This Is Petroleum Systems
The deepwater Douala-Rio Muni Basin (DRMB) is a non-volcanic, Mes­ozoic-Cenozoic rifted pas­sive margin located offshore in Equatorial Guinea (EG), West Africa. Commercial oil and gas fields have been dis­covered on…

Unlocking Egypt’s Western Desert: The next Eagle Ford?

Henk Kombrink
When people think of unconventional oil, their minds prob­ably go straight to North America, where long hori­zontals and multilaterals drilled in heavily faulted plays have unlocked massive gas, liquids, and…

Imaging prospective sedimentary strata offshore Equatorial Guinea

Lisa Fullarton, Nick Lee, Chris Johnston, Meren Energy and Alex Clark, Eliis
In recent years, exploration has increasingly shifted toward Creta­ceous deep-water sandstones across the broader Atlantic Basin, resulting in a series of major discoveries over the past 15 years. Considerable potential…

A sense of urgency

Henk Kombrink
While people in Bolivia easily spend two days queuing up at fuel stations these days – the country has very quickly turned from an exporter to a net importer of…

Offshore Otway Basin drilling campaign

Jonathan Craig, NVentures
Stratigraphic column of the Otway Basin, Australia. Source: NVentures. The Otway Basin, offshore Victoria and Tasmania, is undergoing a significant drilling campaign, using the Transocean Equinox semi-submersible rig, aimed at…

Does oil really stop diagenesis?

Henk Kombrink
It is all about timing. That is the main conclusion when reading a new paper recently published by Olav Walderhaug and Kristin Por­ten from Equinor. The paper is mostly about…

Wildcat activity in the Latin American Atlantic Margin

Andres Mesa, NVentures
All eyes are on the Stabroek Block, where ExxonMo­bil and its partners have embarked on a signifi­cant three-well drilling program. The campaign, which commenced in April 2025, includes the Hamlet-1,…

Drilling deeper for new resources in Uzbekistan

Henk Kombrink
Domestic gas production has rapidly declined in Uzbekistan over the last few years, to the point where the country became a net importer since 2023 to meet demand. This has…

Libya – exploration stories

Henk Kombrink
In his book “The prize”, Daniel Yergin describes how Libya’s entry on the global oil stage in the 1950s was spectacular and engineered wisely. Yergin quotes the Libyan pe­troleum minister:…

The shrinking pool of large international E&P companies

Obo Idornigie, Welligence
The group of large interna­tional E&Ps has been steadily shrinking. Over the past five years, companies in the peer group, including Noble Energy, Mar­athon, and Hess, have been acquired. These…