- 1909 - The Tsimiroro field was first drilled
- 1976 - OMNIS was created
- OMNIS, a state-owned agency, created in 1976, has been commissioned to manage, to develop and to promote the national petroleum and mineral resources in Madagascar.
- Madagascar projects are governed by production sharing agreements signed with the OMNIS. These agreements give the Government of Madagascar a significant stake in future production.
- Madagasgar hold significant reserves of heavy oil, but has yet to reach and significant levels of production
- Tsimiroro is a heavy oil field (14º to 16º API) which is reported to hold, in terms of a best estimate of reserves (oil in place), 2 billion barrels with potential for light oil and natural gas.
- Bemolanga is a large ultra heavy oil field (8º to 13º API) holding a potential resources of 16.6 billion barrels, with approximately 9.8 billion barrels of recoverable reserves.
- Madagascar Oil is an AIM listed company focused on the development of heavy oil and conventional oil & gas deposits in five onshore blocks in Madagascar
- Afren holds the licence for Block 1101, located on the Eastern flank of the Ambilobe basin in Northern Madagascar.
- Tullow has had an exploration interest since the Government approved the Group’s participation in the onshore Mandabe licence in 2005. Since then, Tullow has added the Berenty licence to its portfolio and now has a total of two exploration licences covering 20,100 sq km.
- Essar holds 3 onshore blocks located in the Morondava basin in the western part of Madagascar
- ROC agreed to sell its 75% interest in the Juan de Nova Maritime Profond Block to South Atlantic Petroleum, in 2011.
- There are currently no refineries in Madagasgar
- Ministry of Energy & Mines
- OMNIS (Office des Mines Nationales et des Industries Stratégiques)
- Madagascar Oil
- Afren, Madagasgar
- Tullow, Madagasgar
- Essar, Exploration and production
- ROC OİL, Mozambique Channel
- Google Earth Map of the oil and gas infrastructure in Madagascar