<h1>Bassein & Satellite Oil and Gas Project,Mumbai Offshore,India</h1>

<p>Bassein & Satellite is an operating offshore oil and gas development in the Mumbai Offshore area,India. Also referred to as Vasai & Satellite,the project is operated by Oil and Natural Gas Corporation (ONGC) and entered production in 1988. It is a conventional upstream asset within ONGC's western offshore production base,where redevelopment,drilling,reservoir management,and aging infrastructure remain central themes.</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>Bassein & Satellite Oil and Gas Project</td></tr>
<tr><td>Country</td><td>India</td></tr>
<tr><td>Subnational Unit</td><td>Mumbai</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>Status Year</td><td>2023</td></tr>
<tr><td>Operator</td><td>Oil and Natural Gas Corporation</td></tr>
<tr><td>Owner(s)</td><td>Oil and Natural Gas Corporation Ltd [100%]</td></tr>
<tr><td>Parent Company</td><td>Oil and Natural Gas Corporation Ltd [100.0%]</td></tr>
<tr><td>Discovery Year</td><td>1976</td></tr>
<tr><td>Production Start Year</td><td>1988</td></tr>
<tr><td>Onshore/Offshore</td><td>Offshore</td></tr>
<tr><td>Basin</td><td>Mumbai Offshore</td></tr>
<tr><td>Block(s)</td><td>Bassein & Satellite; Tapti Daman</td></tr>
</tbody>
</table>

<h2>Project Overview</h2>

<p>The Bassein & Satellite Oil and Gas Project is an offshore conventional development in India's western offshore region,within the Mumbai Offshore basin. It is operated by ONGC and is one of the state-owned company's long-producing offshore assets. The project includes multiple units,notably the Daman Gas Field and the Vasai Oil and Gas Field (also referred to as South Bassein). It is a mature producing complex rather than a single isolated field.</p>

<h2>Location and Basin</h2>

<p>The project is located offshore Mumbai,India,with project-level coordinates approximately at 19.1990000,72.1240000. It lies within the Mumbai Offshore basin in the Arabian Sea,part of India's established western offshore petroleum province. Associated blocks are Bassein & Satellite and Tapti Daman. The offshore setting involves marine logistics,platform integrity,and aging infrastructure management typical of mature offshore assets.</p>

<h2>Operator and Ownership</h2>

<p>Oil and Natural Gas Corporation (ONGC) is the operator and 100% owner through Oil and Natural Gas Corporation Ltd. No separate international oil company consortium is identified at the project level. ONGC is responsible for field operations,production optimization,drilling,maintenance,and redevelopment activities.</p>

<h2>Development History</h2>

<table>
<colgroup><col/><col/><col/></colgroup>
<tbody>
<tr><th>Milestone</th><th>Year</th><th>Details</th></tr>
<tr><td>Discovery</td><td>1976</td><td>The project is associated with a discovery year of 1976.</td></tr>
<tr><td>Production Start</td><td>1988</td><td>The project entered production in 1988.</td></tr>
<tr><td>Recent Status</td><td>2023</td><td>Classified as operating,part of ONGC's western offshore asset base.</td></tr>
</tbody>
</table>

<p>The project was discovered in 1976 and began production in 1988. In 2021,Indian energy reporting discussed government interest in bringing international partners into mature ONGC assets such as Bassein & Satellite,though no ownership change has been confirmed. The asset remains part of ONGC's mainstay producing base.</p>

<h2>Production and Reserves</h2>

<p>Bassein & Satellite is an operating oil and gas project. Global Energy Monitor provides project-level references,and other sources describe it as one of ONGC's important western offshore producing assets. A 2021 Economic Times report,citing a petroleum ministry communication,described Mumbai High and Bassein & Satellite as contributing a major share of ONGC's oil and gas production,with Bassein & Satellite noted as a major gas-producing asset. In 2023,ONGC announced plans to invest more than USD 2 billion in drilling 103 wells in the asset over two to three years,targeting smaller and untapped reservoirs to increase output. Current project-level daily production rates and remaining reserves are not fully confirmed in open sources.</p>

<h2>Recent Developments</h2>

<p>The most significant recent development is ONGC's reported redevelopment and drilling program. In February 2023,industry media reported that ONGC planned a record 103-well drilling campaign in the Bassein & Satellite asset offshore India's west coast,with an investment of over USD 2 billion. The campaign was described as part of ONGC's effort to raise production from mature offshore fields and reduce import dependence. Wells will target smaller and previously untapped reservoirs over two to three years. Post-2023 project-specific updates are limited.</p>

<h2>Related Topics</h2>

<ul>
<li>ONGC western offshore assets</li>
<li>Mumbai Offshore basin</li>
<li>Bassein and Satellite field redevelopment</li>
<li>Vasai and Satellite oil and gas production</li>
<li>Tapti Daman block</li>
<li>Mature offshore field rejuvenation</li>
<li>Offshore drilling campaigns in India</li>
<li>Oil and gas asset integrity in mature fields</li>
<li>India domestic oil and gas production</li>
<li>Offshore platform and pipeline integrity management</li>
</ul>

<h2>Sources</h2>

<ul>
<li><a href="https://www.gem.wiki/Bassein_%26_Satellite_Oil_and_Gas_Project_%28Mumbai%2C_India%29" rel="nofollow noopener" target="_blank">Global Energy Monitor,Bassein & Satellite Oil and Gas Project (Mumbai,India)</a></li>
<li><a href="https://ongcindia.com/" rel="nofollow noopener" target="_blank">Oil and Natural Gas Corporation,official website</a></li>
<li><a href="https://www.dghindia.gov.in/assets/downloads/ar/2023-24/" rel="nofollow noopener" target="_blank">Directorate General of Hydrocarbons,India’s Hydrocarbon Outlook 2023-2024</a></li>
<li><a href="https://energy.economictimes.indiatimes.com/news/oil-and-gas/ongc-to-invest-usd-2-billion-in-mumbai-offshore-to-raise-oil-gas-output/98194094" rel="nofollow noopener" target="_blank">Economic Times Energyworld,ONGC to invest USD 2 billion in Mumbai offshore to raise oil and gas output</a></li>
<li><a href="https://www.offshore-technology.com/news/ongc-2bn-103-wells/" rel="nofollow noopener" target="_blank">Offshore Technology,ONGC to invest USD 2 billion to drill 103 wells in Arabian Sea</a></li>
<li><a href="https://www.upstreamonline.com/production/india-s-ongc-gears-up-for-record-103-well-drilling-campaign/2-1-1409415" rel="nofollow noopener" target="_blank">Upstream,India’s ONGC gears up for record 103-well drilling campaign</a></li>
<li><a href="https://documents.worldbank.org/en/publication/documents-reports/documentdetail/965571468035097205/india-south-bassein-offshore-gas-development-project" rel="nofollow noopener" target="_blank">World Bank,India South Bassein Offshore Gas Development Project</a></li>
<li><a href="https://cag.gov.in/uploads/download_audit_report/2016/Union_Commercial_Compliance_Report_15_2016_CH-1.pdf" rel="nofollow noopener" target="_blank">Comptroller and Auditor General of India,Report No. 21 of 2016,ONGC production audit introduction</a></li>
<li><a href="https://economictimes.indiatimes.com/industry/energy/oil-gas/oil-ministry-to-ongc-give-60-control-in-mumbai-high-bassein-fields-to-foreign-cos/articleshow/87462033.cms" rel="nofollow noopener" target="_blank">The Economic Times,Oil Ministry to ONGC: Give 60% control in Mumbai High,Bassein fields to foreign companies</a></li>
</ul>

IEPTC reference profile for Bassein & Satellite Oil and Gas Project,Mumbai Offshore in India,covering asset type,location,development status,and upstream industry context.

Bassein & Satellite Oil and Gas Project,Mumbai Offshore,India

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Bassein & Satellite Oil and Gas Project,Mumbai Offshore,India

Bassein & Satellite Oil and Gas Project,Mumbai Offshore,India

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