Onshore, nearshore and shallow marine blocks make up the first group.
The eight onshore/nearshore blocks include shallow and deep-horizon areas in each of the Guayaguayare (2,329sq km), Southwest Peninsula (1,455sq km), Herrera (953sq km) and Central Range (1,590sq km) blocks.
The shallow marine blocks are 2(ab) covering 1,605sq km and NCMA 2 and NCMA 3, which each cover 1,019sq km. The three blocks have water depths ranging from 25-130m.
A consortium made up of Canada's Husky Energy and Canadian Voyager Energy submitted bids for Central Range and Guayaguayare blocks. Australia's Hardman Oil and Gas also submitted an offer for Guayaguayare.
Trinidad Exploration Development Unlimited was the sole bidder for the Southwest Peninsula.
The UK's Centrica Energy and consortiums ONGC-Mittal and BG-Petrocanada-ENI submitted offers for NCMA 2, while Canadian Superior, Spain's Repsol YPF and consortium Hardman-Centrica bid on block 2 (ab).
Herrera and NCMA 3 blocks attracted no bidders.
The ministry expects to announce winners early next year.
The deadline to submit offers for the deepwater blocks is December 15.
The eight deepwater blocks range from 79,947-84,155ha and are off the country's east coast.
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