<h1>Cepu Block Oil and Gas Project,Indonesia</h1>
<p>The Cepu Block Oil and Gas Project is an operating onshore oil and gas project in Indonesia,centered on the Cepu block in Java. The project is operated by ExxonMobil Cepu with ownership shared between ExxonMobil Cepu Ltd (45%),PT Pertamina EP Cepu (45%),and the Cepu Block Cooperation Body (10%). The Banyu Urip field is the principal oil-producing asset; associated fields include Cendana and Jambaran-Tiung Biru. Production began in 2008 following discovery in 2001. Cumulative crude oil production from the block has surpassed 650 million barrels. In 2025,output was approximately 180,000 barrels per day,representing about 25% of Indonesia’s national oil lifting. Crude lifting from Banyu Urip is supported by the FSO Gagak Rimang.</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>Cepu Block Oil and Gas Project</td>
</tr>
<tr>
<td>Country</td>
<td>Indonesia</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>ExxonMobil Cepu</td>
</tr>
<tr>
<td>Owner</td>
<td>ExxonMobil Cepu Ltd [45%]; PT Pertamina EP Cepu [45%]; Cepu Block Cooperation Body [10%]</td>
</tr>
<tr>
<td>Discovery Year</td>
<td>2001</td>
</tr>
<tr>
<td>Production Start Year</td>
<td>2008</td>
</tr>
<tr>
<td>Onshore/Offshore</td>
<td>Onshore</td>
</tr>
<tr>
<td>Block(s)</td>
<td>Cepu</td>
</tr>
</tbody>
</table>
<h2>Location</h2>
<p>The project is located onshore in Java,covering parts of East Java and Central Java. The block is situated near established infrastructure and domestic energy demand centers.</p>
<h2>Development History</h2>
<table>
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<th>Milestone</th>
<th>Year or Date</th>
<th>Details</th>
</tr>
<tr>
<td>Discovery</td>
<td>2001</td>
<td>Discovery recorded for the Cepu Block Oil and Gas Project.</td>
</tr>
<tr>
<td>Development</td>
<td>2006–2011</td>
<td>Banyu Urip full-field development approval and execution.</td>
</tr>
<tr>
<td>Production</td>
<td>2008</td>
<td>Early production from Banyu Urip began in December 2008.</td>
</tr>
<tr>
<td>Recent Status</td>
<td>2024–2025</td>
<td>Continued production optimization and infill drilling.</td>
</tr>
</tbody>
</table>
<p>Discovery occurred in 2001. Early production from Banyu Urip began in December 2008. Full-field development progressed in the early 2010s. Cumulative production reached 500 million barrels by 2021 and exceeded 650 million barrels by 2024. Infill drilling campaigns from 2024 to 2026 aim to sustain output.</p>
<h2>Infrastructure and Facilities</h2>
<p>Banyu Urip infrastructure includes production wells,surface facilities,crude handling,and the FSO Gagak Rimang for storage and offloading. The FSO completed its 1,000th lifting in August 2024,marking cumulative production of about 660 million barrels. Infill drilling includes five carbonate and two clastic wells (2024–2026). Jambaran-Tiung Biru is an associated gas development.</p>
<h2>Production and Reserves</h2>
<p>Cumulative production exceeded 650 million barrels as of 2024. In 2025,production was reported at around 180,000 bpd. Global Energy Monitor reported 1P reserves of 202.45 million barrels of oil equivalent in 2024 and 185.17 million boe in 2025,with remaining recoverable reserves for Banyu Urip of 464 million barrels in 2023.</p>
<h2>Recent Developments</h2>
<p>In June 2025,Reuters reported that additional production of 30,000 bpd raised total output to about 180,000 bpd. The FSO Gagak Rimang achieved its 1,000th lifting in August 2024. An infill drilling campaign is ongoing (2024–2026).</p>
<h2>Related Topics</h2>
<ul>
<li>Cepu Block</li>
<li>Banyu Urip oil field</li>
<li>ExxonMobil Cepu</li>
<li>PT Pertamina EP Cepu</li>
<li>SKK Migas</li>
<li>Jambaran-Tiung Biru</li>
<li>Cendana field</li>
<li>FSO Gagak Rimang</li>
<li>Indonesia oil lifting</li>
<li>Onshore oil production</li>
<li>Infill drilling</li>
<li>Conventional oil and gas development</li>
<li>Java upstream oil and gas</li>
</ul>
<h2>Sources</h2>
<ul>
<li><a href="https://www.gem.wiki/Cepu_Block_Oil_and_Gas_Project_%28Indonesia%29">Global Energy Monitor,Cepu Block Oil and Gas Project (Indonesia)</a></li>
<li><a href="https://www.gem.wiki/Banyu_Urip_Oil_Field_%28Indonesia%29">Global Energy Monitor,Banyu Urip Oil Field (Indonesia)</a></li>
<li><a href="https://www.gem.wiki/Cendana_Oil_and_Gas_Field_%28Indonesia%29">Global Energy Monitor,Cendana Oil and Gas Field (Indonesia)</a></li>
<li><a href="https://corporate.exxonmobil.com/locations/indonesia/our-operations">ExxonMobil,Indonesia operations</a></li>
<li><a href="https://corporate.exxonmobil.com/-/media/global/files/locations/indonesia/exxonmobil-kbu-39th-edition-eng.pdf">ExxonMobil,Kilas Banyu Urip 39th Edition</a></li>
<li><a href="https://www.reuters.com/business/energy/indonesia-says-exxon-boosts-production-cepu-block-2025-06-26/">Reuters,Indonesia says Exxon boosts production in Cepu block</a></li>
<li><a href="https://geoexpro.com/cepu-block-java/">GEO ExPro,Cepu Block,Java</a></li>
<li><a href="https://www.oilandgasadvancement.com/projects/banyu-urip-full-field-development-cepu-block-east-java-indonesia/">Oil &amp; Gas Advancement,Banyu Urip Full Field Development,Cepu Block</a></li>
<li><a href="https://www.euro-petrole.com/exxonmobil-pertamina-move-forward-with-banyu-urip-full-field-development-n-i-5419">Europétrole,ExxonMobil and Pertamina move forward with Banyu Urip full-field development</a></li>
<li><a href="https://www.energyvoice.com/oilandgas/asia/355224/exxonmobils-giant-cepu-block-exceeds-expectations-in-indonesia/">Energy Voice,ExxonMobil’s giant Cepu Block exceeds expectations in Indonesia</a></li>
<li><a href="https://indonesiabusinesspost.com/2206/business-and-investment/exxonmobil-revives-banyu-urip-oil-well-after-8-years">Indonesia Business Post,ExxonMobil revives Banyu Urip oil well after eight years</a></li>
<li><a href="https://indonesiabusinesspost.com/1862/business-and-investment/exxonmobil-construct-new-facility-to-improve-oil-production-in-cepu-block">Indonesia Business Post,ExxonMobil constructs new facility to improve oil production in Cepu Block</a></li>
</ul>

IEPTC reference profile for Cepu Block Oil and Gas in Indonesia,covering asset type,location,development status,and upstream industry context.

Cepu Block Oil and Gas Project,Indonesia

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Cepu Block Oil and Gas Project,Indonesia

Cepu Block Oil and Gas Project,Indonesia

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