Ebenezer3
1 week ago
While we wait, Equinor is drilling the highly-anticipated Argerich X-1 well in Argentina, just south of Uruguay. Though the Argerich X-1 is in deeper water, if successful it could open the
Pelotas Basin, from southern Brazil, Uruguay to Argentina. The ArgerichX-1 spudded around May 15, and will take approximately 60 days to reach TD.
https://geoexpro.com/chasing-orange-basin-success-on-the-south-american-conjugate-margin/
West-East trending cross-section showing the geology of the area where Equinor is drilling the highly-anticipated Argerich X-1 well.
Oil & GasSouth America
Chasing Orange Basin success on the South American conjugate margin
With the well-documented success achieved in the Namibian Orange Basin with the Venus and Graff discoveries in 2022, there has been an understandable interest in the South American conjugate margin and its potential to contain similar giant accumulations
Jonathan Leather - NVenturesMay 15, 2024
The basins of interest span from the Pelotas of southern Brazil and Uruguay, through the Punta del Este and into North Argentina. Historically, this has been an underexplored region, with relatively few exploration wells drilled in its extensive >500,000 km2 area. However, a number of international companies – including supermajors – have now established acreage positions, and with work programme commitments estimated to be well in excess of $500m, the area is going to see significant activity over the coming years.
Geology
The recent discoveries offshore Namibia have been made in Apto-Albian basin floor fans and Upper Cretaceous turbidites charged by a Lower Cretaceous Aptian source rock. Although there are differences between the Namibian and South American passive margins, with a noticeably thicker Tertiary section on the South American conjugate, the same Aptian-aged source interval that is present in the Namibian Orange Basin can be seismically correlated across to South America. With Cenomanian-Turonian source rocks also potentially developed and mature, and the identification on seismic of similar reservoirs to those encountered in the Venus and Graff discoveries, it is not surprising there has been so much recent interest.
The entire available offshore acreage in Uruguay has now been licenced, with Shell, Apache, and YPF entering the country in 2022 and Challenger Energy most recently confirming award of the final licence, OFF-3, in 2024. Work commitments for the next 3 to 4 years include the acquisition of 2,500 km2 of 3D seismic (Area OFF-4, Apache/Shell) and the drilling of an exploration well (Area OFF-6, Apache).
Chevron have also entered offshore Uruguay again after an absence of around 50 years, with a farm-in deal with Challenger on Block OFF-1 announced in March 2024. Under this agreement, Chevron will fund the acquisition of 3D seismic in 2024/25, with the intention of drilling a well in 2027. With a further nod to the potential ties to Namibian success, Charlestown Capital have taken a major investment in Challenger Energy. Charlestown are a major shareholder in Sintana Energy, already well-exposed to a number of exploration campaigns in the Namibian Orange Basin.
watched by operators and acreage-holders on both sides of the Atlantic.
A South American exploration hotspot
The South Brazil-Uruguay-North Argentina conjugate margin to the Namibian offshore basins has very rapidly become a South American exploration hotspot. With supermajors now holding large acreage positions, extensive 3D seismic acquisition soon to get underway, and at least 3 wells planned to be drilled by 2027, this is definitely a region to watch – and could well be where the next basin-opening discovery of global impact is made.
illusions
3 months ago
Challenger Energy secures second Uruguay licence following Chevron farm-out deal for the first
(via NewsDirect)
Challenger Energy Group PLC (AIM:CEG, OTC:BSHPF) CEO Eytan Uliel joins Proactive's Stephen Gunnion with news that the company has formalised a second offshore licence agreement in Uruguay, following a farm-out deal with Chevron for its first licence —AREA OFF-1 — signalling rapid advancements in the region.
Uliel said the latest development is a part of the junior explorer's plan and execution over the last 12-18 months, showcasing its strategic growth and commitment to its objectives in Uruguay.
The deal with Chevron for OFF-1 involves Challenger Energy retaining a 40% interest in the licence, with Chevron taking a 60% stake and assuming operatorship. This partnership is significant as it represents a new country entry for Chevron and endorses the technical and prospective value of the block as identified by Challenger Energy.
Financially, the agreement includes an upfront payment of $12.5 million to Challenger Energy and provisions for Chevron to cover the costs of an accelerated 3D seismic campaign and partially fund exploration drilling, if it proceeds.
Challenger Energy views Uruguay as a frontier exploration hotspot, paralleled by the recent significant oil and gas discoveries off the coast of Namibia. The geological similarities between Uruguay and Namibia have spurred industry interest, transforming Uruguay into a sought-after location for offshore exploration. This interest is evidenced by the licensing of all other offshore blocks in Uruguay to major industry players such as Shell, Apache, and YPF.
Looking ahead, Challenger Energy aims to replicate the successful farm-out strategy employed with Chevron for its second offshore licence, AREA OFF-3. The company plans to accelerate technical assessments and engage potential partners, leveraging existing seismic data to attract interest and investment in its projects. The ambition is to see initial exploration drilling in the coming two to three years, further advancing Uruguay's offshore potential.
CONTACT DETAILSCONTACT DETAILS
Proactive UK Ltd
+44 20 7989 0813
uk@proactiveinvestors.com
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