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Brazil’s Petrobras discovered a new oil accumulation Friday at well 9-SES-188D in the offshore Brazil Sergipe Basin.

The ultra deepwater well is located in concession area BM-SEAL-11, in block SEAL-M-426.

Test drilling showed a new light oil accumulation in the deepest reservoir at the well with a thickness of about 91 feet and “good” permoporosity conditions.

The new discovery is located 66 miles off Aracaju at a water depth of 8,175 feet, about 3.5 miles from the site’s initial discovery well.

Well 9-SES-188D reached a final depth of 19,356 feet and is currently under evaluation.

Previous testing at the concession area in August 2013 confirmed a light oil and and gas reservoir in the Farfan area with oil between 37 degrees and 40 degrees API.

The results showed “excellent” permoporosity conditions in the turbidities reservoirs with 177 foot thickness.

The state owned company will continue with the discovery evaluation plan that has been approved by Brazil’s Petroleum, Natural Gas and Biofuels Agency.

Petrobras is the operator of block SEAL-M-426 with a 60 percent interest.

IBV Brasil, a 50-50 joint venture between India-based Bharat Petroleum and India-based Videocon Industries, holds a 40 percent interest.