Why Madagascar?

Recent East African offshore exploration success has focused the oil industry’s spotlight on the African east coast region (Kenya, Mozambique, and Tanzania). However, Madagascar remains very much under-explored and is still a frontier exploration province.

Our Data Coverage

Our Data

TGS holds a significant collection of subsurface data offshore Madagascar which includes 2D seismic, gravity and Magnetics in addition to well data.

TGS has signed an agreement with the Madagascan agency OMNIS (Office des Mines Nationales et des Industries Stratégiques) granting the company exclusive brokerage and reprocessing rights to the vast majority of seismic data situated both offshore and onshore Madagascar. The data available, totaling up to 69,000 km, will play a part in the country’s highly-anticipated license round.

The comprehensive collection of TGS seismic data encompasses most of the existing exploration blocks in all major offshore basins including the Morondava Basin, offshore west Madagascar, where the company's modern 2D program highlights significant potential for future discoveries.

TGS has compiled logs and reports for exploration wells in various locations, including Madagascar's shallow offshore and onshore Morondava Basin.


Geological Insight and Exploration History

After over 100 years of exploration, the offshore of this frontier region remains largely under-explored. Super-giant exhumed bitumen/tar sand fields of  Late Triassic – Liassic age have been discovered onshore Madagascar at Tsimioro and Bemolanga and these two fields have been reported to contain up to 6.5 billion bbls of oil. This working petroleum system can be extrapolated offshore. 

Ninety-eight wells have been drilled, and eight are offshore in shallow water. Of those, most encountered gas shows and half (all in the Morondava basin) drilled volcanic structures, yet to be tested. Onshore discoveries include the giant Tsimiroro and the Bemolanga fields, both located around 100 km from the west coast, with oil shows common in the onshore wells of the Morondava and Majunga Basins.

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