Petrobras informed on Monday that the drilling of the third well in Carcará area (Block BM-S-8), located at Santos Basin’s ultra-deep waters, offshore Brazil, has confirmed the light oil potential in pre-salt’s reservoirs.
Well 3-SPS-104DA, informally known as Carcará Northwest, is within the Discovery Evaluation Plan area of discovery well 4-SPS-86B (Carcará) and is located 5.5 km northwest of the discovery well, some 226 km from the coast of the state of São Paulo and at a water depth of 2,024 m.
The pressure data indicate that it is in the same accumulation as two other wells previously drilled in the area, confirming the westward extension of 4-SPS-86B’s discovery, Petrobras said on Monday.
“The carbonate reservoirs have excellent characteristics and are immediately below the salt layer at a depth of 5,870 m. A significant oil column of 318 meters was found and there has been no oil/water contact for this accumulation,” the company further added.
Petrobras says that, continuing to implement the Discovery Evaluation Plan, the productivity of the pre-salt reservoirs will be evaluated over the coming days by formation tests in the recently completed well 3-SPS-105. The Carcará Discovery Evaluation Plan, approved by Brazil’s Nacional Petroleum, Natural Gas and Biofuels Agency (ANP), is expected to be completed by March 2018.
Petrobras is the operator of the consortium (66%), in partnership with Petrogal Brasil (14%), Barra Energia do Brasil Petróleo e Gás (10%) and Queiroz Galvão Exploração e Produção S.A. (10%).
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