<h1>Block 3/05 Oil and Gas Project,Angola</h1>
<p>The Block 3/05 Oil and Gas Project is a conventional offshore producing asset in Angola. It is located in Block 3 offshore Angola and operated by Sonangol. The project consists of mature oil fields and associated shallow-water infrastructure and is part of Angola’s producing offshore base. Independent upstream investment has focused on mature-field redevelopment,production optimization,and life extension.</p>
<h2>Quick Facts</h2>
<table>
<colgroup><col/><col/></colgroup>
<tbody>
<tr><th>Item</th><th>Details</th></tr>
<tr><td>Project Name</td><td>Block 3/05 Oil and Gas Project</td></tr>
<tr><td>Country</td><td>Angola</td></tr>
<tr><td>Fuel Type</td><td>Oil and gas</td></tr>
<tr><td>Production Type</td><td>Conventional</td></tr>
<tr><td>Status</td><td>Operating</td></tr>
<tr><td>Operator</td><td>Sonangol</td></tr>
<tr><td>Owner(s)</td><td>Sonangol EP [30%]; Afentra [24%]; Etablissements Maurel &amp; Prom SA [20%]; Eni SpA [12%]; Somoil Internacional de Petróleo do Brasil Ltda [10%]</td></tr>
<tr><td>Onshore/Offshore</td><td>Offshore</td></tr>
<tr><td>Block(s)</td><td>Block 3</td></tr>
</tbody>
</table>
<h2>Ownership and Operatorship</h2>
<p>Sonangol operates the project and holds a 30% interest. Afentra holds 24%,Etablissements Maurel &amp; Prom SA 20%,Eni SpA 12%,and Somoil Internacional de Petróleo do Brasil Ltda 10%. This structure reflects state participation together with independent and international oil companies. Working interests have changed through transactions involving Sonangol,Afentra,Azule-related interests,and other participants.</p>
<h2>Production and Reserves</h2>
<p>Global Energy Monitor reports remaining recoverable reserves of 58.6 million barrels of crude oil and condensate for 2022,original oil in place of 3,157 million barrels,cumulative production of 1,343 million barrels,and 2022 oil production of 6.79 million barrels per year. The asset is mature,with incremental recovery depending on redevelopment,well interventions,reservoir management,and infrastructure reliability.</p>
<h2>Recent Developments</h2>
<p>Recent activity has centered on portfolio restructuring and partner entry. Afentra has publicly described Block 3/05 as part of its Angola portfolio,with emphasis on existing producing fields and near-field opportunities in adjacent Block 3/05A and Block 3/24. In 2025,Afentra’s half-year results referenced Block 3/05 PSA working interests,with Sonangol as operator,confirming the block’s continuing role in Afentra’s asset base.</p>
<h2>Related Topics</h2>
<ul>
<li>Angola Block 3</li>
<li>Block 3/05A oil and gas assets</li>
<li>Block 3/24 offshore Angola</li>
<li>Sonangol offshore operations</li>
<li>Afentra Angola portfolio</li>
<li>Maurel &amp; Prom Angola</li>
<li>Eni in Angola</li>
<li>Somoil Angola</li>
</ul>
<h2>Sources</h2>
<ul>
<li><a href="https://www.gem.wiki/Block_3/05_Oil_and_Gas_Project_%28Angola%29" rel="nofollow noopener" target="_blank">Global Energy Monitor,Block 3/05 Oil and Gas Project (Angola)</a></li>
<li><a href="https://www.afentraplc.com/producing-fields-near-field-development-and-exploration-assets/afentras-angola-portfolio/" rel="nofollow noopener" target="_blank">Afentra,Afentra’s Angola Portfolio</a></li>
<li><a href="https://markets.ft.com/data/announce/detail?dockey=1323-17221200-4IBRKDRPB0D8U4CUBL5UO7OEK7" rel="nofollow noopener" target="_blank">Financial Times Markets,Afentra 2025 Half Year Results Announcement</a></li>
<li><a href="https://www.maureletprom.fr/en/" rel="nofollow noopener" target="_blank">Maurel &amp; Prom,Official Website</a></li>
<li><a href="https://www.eni.com/en-IT/actions/global-activities/angola.html" rel="nofollow noopener" target="_blank">Eni,Angola Activities</a></li>
<li><a href="https://www.sonangol.co.ao/" rel="nofollow noopener" target="_blank">Sonangol,Official Website</a></li>
<li><a href="https://www.investormeetcompany.com/companies/afentra-plc/rns/4388983/view" rel="nofollow noopener" target="_blank">Afentra,Approval of Block 3/24 License</a></li>
<li><a href="https://wp-afentra-2025.s3.eu-west-2.amazonaws.com/media/2025/02/230918_AET-Angola-Reshuffle_Tennyson.pdf" rel="nofollow noopener" target="_blank">Tennyson Securities,Afentra Angola Transaction Commentary</a></li>
</ul>

IEPTC reference profile for Block 3/05 Oil and Gas in Angola,covering asset type,location,development status,and upstream industry context.

Block 3/05 Oil and Gas Project,Angola

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Block 3/05 Oil and Gas Project,Angola

Block 3/05 Oil and Gas Project,Angola

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