Subsalt

At the time of the leak at the Frade field, Chevron was tapping oil at 3,800 feet, shallower than this so-called subsalt level. ❋ John Lyons (2011)

Among the so-called subsalt discoveries, the biggest is Tupi, which is estimated to contain between five and eight billion barrels of oil. ❋ Guy Chazan (2010)

Brazil's so-called subsalt oil lies in deep water under thousands of feet of sand, rock and a shifting layer of salt. ❋ Guy Chazan (2010)

Brazil's so-called subsalt offshore oil belt has been concessioned to oil companies for development.

Petrobras estimates so-called subsalt fields offshore could more than triple its existing proven oil reserves of 14 billion barrels, catapulting Brazil into the top league of OPEC nations. ❋ Unknown (2010)

PBR.N said Wednesday its Tupi field, one of the crown jewels in Brazil's so-called subsalt oil fields, would now be known as "Lula." ❋ Unknown (2010)

SA gained 1.16 percent after the company said its reserves rose by 8.3 billion barrels of oil equivalent after two massive offshore oilfields in the deep-water region known as the subsalt were declared commercially viable. ❋ Unknown (2010)

Brazil's so-called subsalt oil fields, would now be known as "Lula." ❋ Unknown (2010)

In September the company found signs of oil after drilling a well in that block, which is located in the deep water region known as the subsalt believed to hold 50 ❋ Unknown (2010)

The new law creates a production sharing system for future projects in the subsalt, which is believed to hold more than 50 billion barrels of oil buried under the ocean floor beneath a thick layer of salt. ❋ Unknown (2010)

Brazil is still in the early stages of exploring massive oil fields in the so-called subsalt layer off its coast, but analysts estimate the deposits range from 30 billion to 100 billion barrels of recoverable oil. ❋ Unknown (2009)

Already a major producer of ethanol, it is expected to see a huge increase in unconventional oil output once its new ultra-deep fields in the "subsalt" Campos and Santos basins come on-line. ❋ Unknown (2009)

President Luiz Inacio Lula da Silva is considering whether to create a new state-run oil company to manage oil production from new "subsalt" reserves, but foreign oil firms like Royal Dutch Shell Plc will still have a major role in production. ❋ Unknown (2009)