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Geology & Geophysics

Geo Exploration anticipates an yield of approximately 4.31 billion barrels from PEL94. (Image source: Adobe Stock)

With two new sandstone leads identified from petroleum exploration licence (PEL) 94 in Block 2011A offshore Namibia following an independent geoscience evaluation, Geo Exploration Limited has confirmed a materially de‑risked resource base  

The sandstone leads are Emerald (in the Albian) and Beryl (in the Cenomanian), which has a combined value of 792 MMbbl of unrisked gross mean prospective resources, with 726 MMbbl attributable to Emerald and 66 MMbbl to Beryl. 

Geo Exploration, which holds a 78% working interest in PEL94, is anticipating an yield of approximately 4.31 billion barrels.

Seismic mapping has delineated robust, dip and fault‑bounded structural closures. The seismic data interpretation has also highlighted direct hydrocarbon indicators in the area—including gas
chimneys and flat spots—providing strong evidence for an active petroleum system, migration of hydrocarbons throughout the section and therefore increasing the chance that the leads are charged with oil. The water depth is c.750 m at the location of the leads identified. 

The promising seismic results have encouraged the company to move ahead with potential farm-out agreements.

Omar Ahmad, chief executive officer of Geo Exploration, said, "Before commenting on these exciting results, I would first like to congratulate Her Excellency Dr Netumbo Nandi-Ndaitwah on her appointment as President of Namibia and Victoria Sibeya on her appointment as Acting Managing Director of the National Petroleum Corporation of Namibia (NAMCOR). I would like to thank Petroleum Commissioner Maggy Shino, the Namibia Ministry of Mines and Energy and our partners for their continued support to Geo.

Today's resource upgrade underscores the tremendous potential we see in PEL 94 and the strong conviction we have in our Namibian licence. Our technical team has done a terrific job delivering
new, material leads on the eastern side of the block. With excitement building across Namibia—and particularly in the Walvis Basin—we are actively progressing farm-out discussions to secure the best outcome for our shareholders"

The Seismic License provides Woodside ongoing rights to the PEL 87 3D seismic data. (Image source; Adobe Stock)

Pancontinental Energy NL has delivered the Seismic License for PEL 87 offshore Namibia to Woodside Energy following relevant approval from the Namibian authority

The Seismic License provides Woodside ongoing rights to the PEL 87 3D seismic data, the acquisition and processing of which was funded by it. While Pancontinental Orange Pty Ltd holds 75% operatorship in the PEL 87 Joint Venture, there is an exclusive scope for Woodside to derive over a 56% participating interest from Pancontinental’s shares. 

Pancontinental, on the other hand, has an option over a 1% participating interest to be derived from the 15% share exercised by Custos Investments (Pty) Ltd

The Seismic License delivery marks the origin of the 180 days-long Long Stop Date which is 18 May 2025, when Woodside Energy may exercise its option to farmin to PEL 87.

Orange Basin

Besides Pancontinental and Custos, the National Petroleum Corporation of Namibia (NAMCOR) owns a 10% interest in the PEL 87 Joint Venture. 

PEL 87 belongs in the Orange Basin which keeps giving, with latest light oil discovery reported in March from Mopane in PEL 83

PetroVision will facilitate operations within Nigeria using DUG Insight software. (Image source: Adobe Stock)

Geoscience services provider DUG Technology has announced a new partnership with energy consultancy PetroVision to promote and deliver specialised seismic data processing solutions in Nigeria

The partnership brings together DUG's expertise in advanced analytical software and reliable cloud-based high-performance computing (HPC), and PetroVision's perceptions on geoscience, engineering and economic aspects across the hydrocarbons sectors, including carbon capture and storage (CCS) and field exploration geochemical sampling for critical minerals such as lithium.

PetroVision will facilitate operations within Nigeria, while DUG will supply technology and support. This includes use of the DUG Insight processing, imaging and interpretation software and remote access to DUG’s teams of geophysical experts. 

Leveraging cutting-edge technology

PetroVision will manage a local processing office within Nigeria, utilising computer resources via the DUG HPC Cloud platform. "We’re thrilled to join forces with DUG, leveraging their cutting-edge technology to enhance our technical capabilities, increase local content participation and broaden our service offerings in Nigeria," said PetroVision’s technical director, Lekan Aluko.

“We are looking forward to working closely with the team at PetroVision to build a strong presence, and grow our client base in Nigeria,” said Matthew Lamont, managing director, DUG

DUG's interests in Nigeria comes following an uptick in the region's exploration scene, with the latest being a shallow offshore discovery by Chevron in the Western Niger Delta

This expansion will add 2,248 sq km of 3D data. (Image source: TGS)

Energy data and intelligence provider, TGS, has expanded 3D seismic coverage for its Benin MegaSurvey, in collaboration with Societe Nationale des Hydrocarbures du Benin (SNH-B)

This strategic initiative aims to deepen understanding of the region’s subsurface geology and unlock its untapped hydrocarbon potential. 

Previously, TGS had also acquired data from countries such as Tanzania and Liberia

With this expansion, the company will add 2,248 sq km of high-quality conventional 3D seismic data to the existing Benin MegaSurvey. The expanded coverage will span from the continental shelf to the slope, offering a comprehensive view of the area and revealing previously untapped exploration potential.

Seamless data integration

Besides the seismic expansion, TGS has also incorporated 10 wells into its advanced tool, RockAVO atlas, which integrates seismic data with well information, offering explorers a powerful suite of capabilities. It features the Interactive Rock Physics Atlas, which allows to explore rock physics models, analyse elastic properties, and visualise seismic AVO responses for detailed subsurface insights.

Explorers can access a wealth of well logs, rock physics models, and data atlases in a single platform, streamlining exploration workflows through its Well Data Integration platform.

While there is a Scenario Testing facility that helps screen for geological analogs, and assess lithology, fluid content, and porosity to de-risk plays and enhance decision-making, the tool also ensures data accuracy and seismic image integrity with enhanced Quality Control features. 

Exploration interests in Benin have been growing lately with companies such as Rex International Holding and  Zenith Energy operating in the Seme Field

The survey will be conducted by the dual ROV-equipped SW Tasman. (Image source: Shearwater)

Shearwater Geoservices Holding AS has signed an ocean bottom node (OBN) project contract with TotalEnergies in Angola

The deepwater OBN survey will be conducted by the dual remotely operated vehicle (ROV)-equipped SW Tasman, the fit-for-purpose seismic node laying vessel which was converted in 2023, and SW Gallien as source vessel. A three-month-long operation approximately, the survey will commence in January 2025, with Shearwater deploying its compact high-endurance Pearl node in Block 32 over the Louro and Mostarda fields. The company has previously completed a 4D streamer survey in the region for TotalEnergies. 

TotalEnergies keeps cementing its presence in Angola as the major reached a US$6bn final investment decision (FID) on the Kaminho Deepwater Development in May, marking the first major deepwater development in the Kwanza Basin.

Introducing deepwater OBN

Shearwater CEO, Irene Waage Basili, said, "We are very satisfied with the performance of our SW Tasman/Pearl OBN platform which has been in continuous operation since its introduction last year. We are pleased to see one more key client use this unique platform to introduce deepwater OBN to new areas of their operations." 

Last month, the company has also secured a 4D seismic monitoring contract for the Jubilee field in Ghana, operated by Tullow Ghana Ltd.

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