The Latin America-focused player spun the bit on the Jacana-3 appraisal well in the last few days, it said.
GeoPark plans a total of two exploration wells and four other wells on the block this year, with the Jacana-4 probe expected to follow Jacana-3.
The company struck oil at the Jacana-1 well towards the end of last year, with the discovery already yielding 5700 gross barrels per day.
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