<h1>GMB Tanjung Enim Block Gas Project (Indonesia)</h1>
<p>The GMB Tanjung Enim Block Gas Project is an onshore unconventional gas project in Indonesia operated by Dart Energy (Tanjung Enim). The project is located in South Sumatra and is classified as in-development,having moved beyond discovery and appraisal into an approved development pathway but not yet into full commercial production. GMB Tanjung Enim is a coal bed methane (CBM) project,also referred to as gas metana batubara (GMB). Indonesia’s Ministry of Energy and Mineral Resources approved its Plan of Development in 2021,which NuEnergy describes as the first coal bed methane Plan of Development approved in Indonesia.</p>
<p>The project is held by Dart Energy (Tanjung Enim) Pte Ltd with 45%,PT Pertamina Hulu Energi Metra Enim with 27.5%,and PT Bukit Asam Metana Enim with 27.5%. It is located in the Tanjung Enim production sharing contract (PSC) area in South Sumatra,close to existing coal mining,oil and gas activity,and regional gas infrastructure. The approved development is designed to ramp up to 25 MMSCFD of coal bed methane production,with early gas sales planned as an initial commercialization step.</p>
<h2>Quick Facts</h2>
<table>
<tbody><tr><th>Item</th><th>Detail</th></tr>
<tr><td>Project Name</td><td>GMB Tanjung Enim Block Gas Project</td></tr>
<tr><td>Country</td><td>Indonesia</td></tr>
<tr><td>Subnational Unit</td><td>South Sumatra</td></tr>
<tr><td>Fuel Type</td><td>Gas</td></tr>
<tr><td>Production Type</td><td>Unconventional</td></tr>
<tr><td>Status</td><td>In-development</td></tr>
<tr><td>Status Year</td><td>2025</td></tr>
<tr><td>Operator</td><td>Dart Energy (Tanjung Enim)</td></tr>
<tr><td>Owner(s)</td><td>Dart Energy (Tanjung Enim) Pte Ltd 45%; PT Pertamina Hulu Energi Metra Enim 27.5%; PT Bukit Asam Metana Enim 27.5%</td></tr>
<tr><td>Onshore/Offshore</td><td>Onshore</td></tr>
<tr><td>Basin</td><td>South Sumatra</td></tr>
<tr><td>Block(s)</td><td>GMB Tanjung Enim</td></tr>
<tr><td>Development Approval Year</td><td>2021</td></tr>
</tbody></table>
<h2>Location and Basin</h2>
<p>The project is located onshore in South Sumatra,Indonesia,in Muara Enim Regency,South Sumatra Province. It sits in a long-established coal and energy region near the Tanjung Enim coal mining area. The project is associated with the South Sumatra Basin,a major Indonesian sedimentary basin with conventional hydrocarbons,coal resources,and coal bed methane potential. NuEnergy’s subsurface material refers to the Muara Enim Formation coal seams and identifies five main coal seams in the Tanjung Enim Block: A1,A2,B1,B2,and C.</p>
<p>The project’s location is close to existing energy infrastructure,including Bukit Asam coal mining operations,Pertamina oil and gas facilities,and major South Sumatra gas trunk lines. NuEnergy-related materials describe the project as approximately 35 kilometres from major gas trunk lines serving the Java market and possible export routes to Malaysia and Singapore.</p>
<h2>Ownership and Operatorship</h2>
<p>Dart Energy (Tanjung Enim) Pte Ltd is the operator of the GMB Tanjung Enim Block Gas Project. The contractor interests in the Tanjung Enim PSC are Dart Energy (Tanjung Enim) Pte Ltd with 45%,PT Pertamina Hulu Energi Metra Enim with 27.5%,and PT Bukit Asam Metana Enim with 27.5%. Pertamina Hulu Energi Metra Enim is linked to Indonesia’s state oil and gas group,while PT Bukit Asam Metana Enim is associated with the Bukit Asam coal and energy context in South Sumatra. SKK Migas presentation material from 2021 stated that Dart Energy had experience exploring and developing coal bed methane reservoirs in other countries,including China and Australia.</p>
<h2>Development History</h2>
<p>The Tanjung Enim PSC was awarded on 3 August 2009 for a 30-year term. Indonesia’s Ministry of Energy and Mineral Resources approved the Tanjung Enim Plan of Development (POD) on 17 June 2021 under a gross split scheme,described by NuEnergy as Indonesia’s first coal bed methane POD. The approved POD-1 covers development in two target areas (Area A and Area B) in the north and south of the contract area,covering approximately 33 square kilometres (about 13% of the total PSC acreage). The approved development is designed to reach plateau production of up to 25 MMSCFD,with drilling of 209 wells over the POD period.</p>
<p>Commercialization has been staged through early gas sales. NuEnergy first announced arrangements for modest initial gas sales of approximately 1 MMSCFD and later reported that MEMR approved gas allocation in 2025 for the sale of 1 MMSCFD of coal bed methane.</p>
<h2>Infrastructure and Facilities</h2>
<p>The project uses an onshore coal bed methane development concept. Full development of Tanjung Enim POD-1 is estimated to produce around 25 MMSCFD from Area A and Area B,with 209 wells to be drilled over the POD period. Gas produced from Areas A and B is planned to be collected at Gathering Stations A and B,separated from carried liquid and compressed before entering central production facilities.</p>
<p>An early gas sales initiative has also advanced. NuEnergy’s current Tanjung Enim PSC page states that four planned wells were completed under the early gas sales initiative,with thicker overall coal seams than prognosed and dewatering progressing. Rigzone reported in November 2025 that NuEnergy had completed drilling for the early gas sales project,intended to sell 1 MMSCFD to Indonesian state-owned gas distributor PGN. No public source identifies FPSOs,offshore platforms,subsea systems,LNG trains,or marine export systems for this project.</p>
<h2>Production and Reserves</h2>
<p>The project does not yet have a confirmed full commercial production start year; it is in-development rather than operating. NuEnergy’s current Tanjung Enim PSC page reports gas in place of 484 BCF,P1/P2/2P reserves of 113 BCF,102 BCF and 215 BCF respectively,and recoverable reserves of 165 BCF from 33 square kilometres under POD-1. The approved development target is up to 25 MMSCFD. The 1 MMSCFD early gas sales initiative is an initial phase and should not be confused with the full approved plateau. Sustained commercial production has not been publicly confirmed.</p>
<h2>Recent Developments</h2>
<p>In 2025,MEMR approved a gas allocation for the sale of 1 MMSCFD of coal bed methane under the Tanjung Enim PSC. Rigzone reported in November 2025 that NuEnergy had completed drilling for the early gas sales project and was moving toward finalizing gas sale and purchase arrangements with PGN. NuEnergy’s current Tanjung Enim PSC page states that the 1 MMSCFD gas allocation was approved on 29 August 2025 and that a gas sale and purchase agreement was signed with PT Perusahaan Gas Negara Tbk. Four early gas sales wells were completed and dewatering was progressing. Public reporting in 2026 also described agreements with Chinese and Malaysian oil and gas companies to accelerate Tanjung Enim CBM development toward the approved 25 MMSCFD target.</p>
<h2>Sources</h2>
<ul>
<li><p><a href="https://www.gem.wiki/GMB_Tanjung_Enim_Block_Gas_Project_%28Indonesia%29" rel="nofollow noopener" target="_blank">Global Energy Monitor: GMB Tanjung Enim Block Gas Project (Indonesia)</a></p></li>
<li><p><a href="https://www.nuenergygas.com/tanjung-enim-PSC.php" rel="nofollow noopener" target="_blank">NuEnergy Gas: Tanjung Enim PSC</a></p></li>
<li><p><a href="https://www.nuenergygas.com/overview.php" rel="nofollow noopener" target="_blank">NuEnergy Gas: Overview</a></p></li>
<li><p><a href="https://www.nuenergygas.com/what-we-do-development.php" rel="nofollow noopener" target="_blank">NuEnergy Gas: Tanjung Enim PSC Development</a></p></li>
<li><p><a href="https://www.nuenergygas.com/what-we-do-subsurface.php" rel="nofollow noopener" target="_blank">NuEnergy Gas: Tanjung Enim PSC Subsurface</a></p></li>
<li><p><a href="https://www.rigzone.com/news/nuenergy_completes_drilling_for_early_gas_sales_project_in_indonesia-20-nov-2025-182352-article/" rel="nofollow noopener" target="_blank">Rigzone: NuEnergy Completes Drilling for Early Gas Sales Project in Indonesia</a></p></li>
<li><p><a href="https://www.petromindo.com/news/article/nuenergy-secures-gas-allocation-approval-for-early-cbm-sales" rel="nofollow noopener" target="_blank">Petromindo: NuEnergy Secures Gas Allocation Approval for Early CBM Sales</a></p></li>
<li><p><a href="https://www.insage.com.my/BursaNews/Attachment/202406/20240628/GLOTEC-AN20240628A1-1.pdf" rel="nofollow noopener" target="_blank">NuEnergy Gas: Tanjung Enim POD-1 Development Disclosure</a></p></li>
<li><p><a href="https://www.asx.com.au/asxpdf/20150521/pdf/42ypt2nzbxmw0d.pdf" rel="nofollow noopener" target="_blank">NuEnergy Gas: Tanjung Enim PSC Location and Contract Area Disclosure</a></p></li>
<li><p><a href="https://www.ipa.or.id/laravel-filemanager/files/shares/Presentation%20Oil%20and%20Gas%20Investment%20Day%20-%201st%20Pre%20Event%20IPA%20Convex%202021/Link%201%20-%20SKK%20MIGAS%20Presentatio%20Oil%20and%20Gas%20Investment%20Event.pdf" rel="nofollow noopener" target="_blank">SKK Migas: Oil and Gas Investment Event Presentation</a></p></li>
</ul>

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

GMB Tanjung Enim Block Gas Project (Indonesia)

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GMB Tanjung Enim Block Gas Project (Indonesia)

GMB Tanjung Enim Block Gas Project (Indonesia)

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