Tsimiroro is a large

oil field A petroleum reservoir or oil and gas reservoir is a subsurface accumulation of hydrocarbons contained in porous or fractured rock formations. Such reservoirs form when kerogen (ancient plant matter) is created in surrounding rock by the presence ...

in the onshore

Morondava Basin Morondava Basin is one of the major sedimentary basins of Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island c ...

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

found south of the

Bemolanga Bemolanga is a large oil sands deposit in the onshore Morondava Basin of Madagascar. The deposit was discovered in the early 1900s but was known to locals for centuries. The field is located north of the Tsimiroro heavy oil field and east of th ...

ultra heavy oil Oil sands, tar sands, crude bitumen, or bituminous sands, are a type of unconventional petroleum deposit. Oil sands are either loose sands or partially consolidated sandstone containing a naturally occurring mixture of sand, clay, and wate ...

field and south of the town of

Morafenobe Morafenobe is a town and commune ( mg, kaominina) in western Madagascar. It belongs to the district of Morafenobe, which is a part of Melaky Region. Morafenobe is served by a local airport. Primary and junior level secondary education are avai ...

. It is estimated to contain as many as of heavy oil with 14° to 16° API gravity. The oil is found in the Isalo and Amboloando formations.

Madagascar Oil Madagascar Oil SA is an oil company operating in Madagascar. It is the principal onshore oil company in Madagascar in terms of oil resources and land. Madagascar Oil's operational office is in Antananarivo, Madagascar and its administrative off ...

is the license holder of the Tsimiroro field. It describes the field as being a heavy oil field with a significant volume of

oil in place Oil in place (OIP) (not to be confused with original oil-in-place (OOIP)) is a specialist term in petroleum geology that refers to the total oil content of an oil reservoir. As this quantity cannot be measured directly, it has to be estimated fr ...

. It gives figures for oil in place (2010 estimates) as: Madagascar Oil is working on a steam flood pilot project as well as continuing drilling operations to expand the proven reserve base. Tsimiroro is believed to be able to achieve at least to of oil output per day over 35–40 years. First production was realised in March 2008, a year when a total were produced.

Notes

References

Tsimiroro brochure

Madagascar Oil website

Rigzone

External links

Netherland, Sewell & Associates, Inc. (NSAI)

Grafton Resources website
Oil fields of Madagascar {{madagascar-geo-stub