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PetroMagdalena tests Llanos basin oil discovery

PetroMagdalena Energy Corp., Toronto, reported an oil discovery on the 70% owned Cubiro block in Colombia’s Llanos basin at a structure on trend with Barranquero field to the north and the Tijereto Sur-1X exploratory well to the south.

The company perforated two Upper Guadalupe sands in the Cernicalo-1ST well which produced 530 b/d of 23.9° gravity oil in 5 hr with 30% basic sediment and water on an electric submersible pump.

The well encountered 12 ft of net pay in Upper Guadalupe with 24% porosity and 50% oil saturation and 13 ft of net pay uphole in the Carbonera C7 sand, topped at 5,880 ft measured depth, with 24% porosity and 50% hydrocarbon saturation. The company will also test the C7. Total depth is 6,845 ft MD.

The Cernicalo structure is 1.5 km long and represents the typical exploration play in the basin, the company said.

Meanwhile, PetroMagdalena set 7-in. production casing to total depth of 6,926 ft MD at the Tijereto Sur -1X well to production test the C7 formation.


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