Brazil’s state-controlled oil company Petrobras said it had discovered natural gas at the Sandia-1 exploratory well in the offshore GUA-OFF-0 block in deep waters off Colombia.
The Sandia-1 well is located about 42 km (26 miles) from the Colombian coast in waters 1,251 metres (4,104 feet) deep.
It lies 18 km from the Sirius-1 discovery and Sirius-2 appraisal wells, and 9 km from the Copoazu-1 discovery well.
Petrobras said drilling at the well began on June 12, 2026, and reached its target depth on July 29, 2026.
The company said gas-bearing intervals identified during drilling are being evaluated through well logging, with laboratory analysis to follow in order to determine the reservoir’s characteristics.
The discovery forms part of Petrobras’ strategy to replenish its oil and gas reserves by exploring new frontier areas and developing partnerships, the company said.
Petrobras, through its subsidiary Petrobras International Braspetro B.V. – Colombia Branch (PIB-COL), operates the GUA-OFF-0 consortium with a 44.44% stake. Colombia’s Ecopetrol holds the remaining 55.56% interest.
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