ExxonMobil Begins Coring Guarani Well in BM-S-22 License

Offshore Brazil Finds
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Hess confirmed today that ExxonMobil is continuing its evaluation program at the Guarani well, located on the BM-S-22 license in the Santos Basin offshore Brazil.

Guarani, also referred to as the 3ESSO4SPS well, was drilled by the West Polaris drillship to a measured depth of 5,424 meters in 2,238 meters of water and will be further evaluated with the drilling of a sidetrack and coring of the well.

Brazil's National Petroleum Agency, or ANP, released data showing the West Polaris has commenced operations at the 3ESSO4ASPS sidetrack well in 2,238 meters of water. The well is targeting a measured depth of 5,088 meters.

Earlier this year, ExxonMobil notified the ANP that it encountered oil shows on two separate occasions at its first well, Azulao (1ESSO3SPS), drilled in the BM-S-22 block. Any concessionaire operating in Brazil must notify the agency of any sign of oil, natural gas or hydrocarbons in no more than 72 hours.

The second well to be drilled in the BM-S-22 block, Guarani is operated by ExxonMobil with a 40% interest, and the remaining stakes are held by Hess (40%) and Petrobras (20%).




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