<h1>Gassi El Agreb Oil Project (Algeria)</h1>

<p>The Gassi El Agreb Oil Project is an onshore conventional oil project in Algeria operated by SonaHess,a joint operating company of Sonatrach and Hess. The project includes the El Gassi,El Agreb,and Zotti fields. Discovered in 1959 and producing since 1960,it has undergone a redevelopment that significantly increased output after 2000.</p>

<h2>Quick Facts</h2>
<table>
<tbody>
<tr><th>Item</th><th>Detail</th></tr>
<tr><td>Project Name</td><td>Gassi El Agreb Oil Project</td></tr>
<tr><td>Country</td><td>Algeria</td></tr>
<tr><td>Fuel Type</td><td>Oil</td></tr>
<tr><td>Production Type</td><td>Conventional</td></tr>
<tr><td>Status</td><td>Operating</td></tr>
<tr><td>Status Year</td><td>2021</td></tr>
<tr><td>Operator</td><td>SonaHess</td></tr>
<tr><td>Owner(s)</td><td>Hess Corp 49%; Sonatrach SpA 51%</td></tr>
<tr><td>Parent Company</td><td>Sonatrach SpA 51.0%; Hess Corp 49.0%</td></tr>
<tr><td>Discovery Year</td><td>1959</td></tr>
<tr><td>Production Start Year</td><td>1960</td></tr>
<tr><td>Onshore/Offshore</td><td>Onshore</td></tr>
</tbody>
</table>

<h2>Location and Operating Area</h2>
<p>The project is located onshore in Algeria’s Saharan region at approximately 30.88400° N,5.14300° E. It comprises three field units: El Gassi (31.188° N,5.1961° E),El Agreb (31.85° N,4.26° E),and Zotti (31.0936° N,5.0811° E). Zotti is also referred to as El Agreb Northeast.</p>

<h2>Fields and Infrastructure</h2>
<p>The El Gassi,El Agreb,and Zotti fields are developed as a producing complex. The redevelopment project aimed to increase gross production to 45,000 barrels per day by late 2003. Hess reported that the redevelopment scope was expanded in 2004. No public source identifies offshore or LNG facilities; the project is strictly onshore with land-based wells and processing systems.</p>

<h2>Operator and Ownership</h2>
<p>The project is operated by SonaHess. Ownership is held by Sonatrach SpA (51%) and Hess Corp (49%). Sonatrach is Algeria’s national hydrocarbon company; Hess (formerly Amerada Hess) participated as the international partner.</p>

<h2>Development History</h2>
<table>
<tbody>
<tr><th>Milestone</th><th>Year</th><th>Details</th></tr>
<tr><td>Discovery</td><td>1959</td><td>The Gassi El Agreb project was discovered.</td></tr>
<tr><td>Production start</td><td>1960</td><td>Production began,establishing it as a long-producing asset.</td></tr>
<tr><td>Recent status</td><td>2021</td><td>Project identified as operating.</td></tr>
</tbody>
</table>
<p>Amerada Hess acquired the Gassi El Agreb field redevelopment project in 2000. The redevelopment design increased production by more than 100% since 2000,with Hess net production averaging approximately 25,000 barrels per day in the fourth quarter of 2004.</p>

<h2>Production and Reserves</h2>
<p>Global Energy Monitor reported oil production of 13.69 million barrels per year in 2013. Reuters reported in April 2013 that the fields were producing around 35,000–40,000 barrels per day and that Hess was planning to invest more than $1 billion in the producing block. Hess’s 2004 net production averaged ~25,000 barrels per day. Oil &amp; Gas Journal’s 2017 survey listed Gassi El Agreb/Zotti with average production of 9,850 barrels per day. Public reserve figures are limited.</p>

<h2>Recent Developments</h2>
<p>In 2004,Hess expanded the redevelopment scope. Reuters reported in 2013 that the fields were producing 35,000–40,000 barrels per day and that Hess’s investment plans were linked to fiscal terms. More recent project-specific public updates are limited.</p>

<h2>Related Topics</h2>
<ul>
<li>Algeria onshore oil production</li>
<li>Sonatrach upstream assets</li>
<li>Hess oilfield redevelopment projects</li>
<li>SonaHess joint operating company</li>
<li>El Gassi oil and gas field</li>
<li>El Agreb oil and gas field</li>
<li>Zotti oil and gas field</li>
<li>Mature-field redevelopment and production optimization</li>
<li>Saharan conventional oil fields</li>
<li>Algerian upstream fiscal terms and investment</li>
</ul>

<h2>Sources</h2>
<ul>
<li><a href="https://www.gem.wiki/Gassi_El_Agreb_Oil_Project_%28Algeria%29">Global Energy Monitor: Gassi El Agreb Oil Project (Algeria)</a></li>
<li><a href="https://www.gem.wiki/El_Gassi_Oil_and_Gas_Field_%28Algeria%29">Global Energy Monitor: El Gassi Oil and Gas Field (Algeria)</a></li>
<li><a href="https://www.gem.wiki/El_Agreb_Oil_and_Gas_Field_%28Algeria%29">Global Energy Monitor: El Agreb Oil and Gas Field (Algeria)</a></li>
<li><a href="https://www.gem.wiki/Zotti_Oil_and_Gas_Field_%28Algeria%29">Global Energy Monitor: Zotti Oil and Gas Field (Algeria)</a></li>
<li><a href="https://investors.hess.com/news-releases/news-release-details/amerada-hess-acquires-gassi-el-agreb-field-redevelopment-project/">Hess: Amerada Hess Acquires Gassi El Agreb Field Redevelopment Project</a></li>
<li><a href="https://media.corporate-ir.net/media_files/irol/10/101801/reports/2004ar/exploration.htm">Amerada Hess: 2004 Annual Report Exploration and Development</a></li>
<li><a href="https://www.reuters.com/article/business/energy/algeria-oil-terms-in-focus-with-hess-sale-idUSL5N0D4210/">Reuters: Algeria Oil Terms in Focus with Hess Sale</a></li>
<li><a href="https://img.ogj.com/files/base/ebm/ogj/document/2018/12/content_dam_ogj_en_downloadables_survey_downloads_worldwide_production_2018_worldwide_production_leftcolumn_downloadable_181203ogjwwproduction.pdf?dl=content_dam_ogj_en_downloadables_survey_downloads_worldwide_production_2018_worldwide_production_leftcolumn_downloadable_181203ogjwwproduction.pdf">Oil &amp; Gas Journal: Worldwide Production Survey</a></li>
<li><a href="https://sonatrach.com/en/">Sonatrach: Official Website</a></li>
<li><a href="https://www.reuters.com/business/energy/algeria-launches-oil-gas-licensing-round-boost-output-2026-04-19/">Reuters: Algeria Launches Oil and Gas Licensing Round to Boost Output</a></li>
</ul>

IEPTC reference profile for Gassi El Agreb Oil in Algeria,covering asset type,location,development status,and upstream industry context.

Gassi El Agreb Oil Project (Algeria)

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Gassi El Agreb Oil Project (Algeria)

Gassi El Agreb Oil Project (Algeria)

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