The Mangala, Bhagyam and Aishwariya (MBA) are the three largest finds in Rajasthan. The oil and gas fields in the block constitute Cairn's key assets in Rajasthan. The Mangala field, considered to be the largest onshore hydrocarbon find in India in last two decades, was discovered in January 2004. This was followed by the discovery of Aishwariya and Bhagyam fields. Till date, 38 discoveries have been made in this block. The Production Sharing Contract (PSC) for the project was signed on 15 May, 1995. In 1997, Cairn acquired an interest in the block. In 2002, Cairn acquired 100% of the exploration interest and assumed the role of an operator.
Rajasthan Block Basic Facts
The Rajasthan block, RJ-ON-90/1, is spread over 3,111 km2 in the Barmer district.
- Cairn, Oil & Gas Vertical of Vedanta Limited is the operator with 70% participating interest. Its joint venture (JV) partner, ONGC, has the remaining 30% participating interest.
- The block consists of three contiguous development areas:
- Development Area (DA) 1, which comprises the Mangala, Aishwariya, Raageshwari and Saraswati (MARS) fields;
- DA 2, consisting of the Bhagyam, NI, NE and Shakti fields; and
- DA 3, having the Kaameshwari West fields.
- At present, oil is being produced mainly from Mangala, Bhagyam, Aishwariya, Raageshwari and Saraswati fields and from Barmer Hill and satellite fields.
- Gas promises to be a key growth area for Cairn in Rajasthan. During FY 2016-17 gas production from Raageshwari Deep Gas (RDG) field was 25 mmscfd and has a potential to reach 150 mmscfd in future
- The block has produced more than 417 mmboe till the end of Q1 FY 2015-16.
The map shows Cairn’s assets – one block in Rajasthan, two on the west coast and four on the east coast of India and one in South Africa.