Amerisur tests strong Putumayo development well

By OGJ editors

Amerisur Resources PLC is to spud the second well in a six-well program in Platanillo field in the Putumayo basin in Colombia after the Platanillo-3 well flowed for 30.4° gravity oil for 24 hr at the rate of 2,340 b/d, natural, on choke with 44 psi wellhead pressure.

The well encountered 52 ft of net pay in an 85-ft gross interval in U sands of the Villeta formation. Amerisur perforated the upper 26 ft of indicated net pay and used a drillstem test assembly. Two other Villeta zones may contain potential pay and are under evaluation.

Platanillo field has two producing wells, Alea-1R and Platanillo-2, on the 14,341-ha block.

The next well is to be drilled from the same Platform 9 location and will be deviated to an offset of 600 m south of Platanillo-3.

The well was shut in for pressure build-up. The company will install a permanent completion string and commence commercial production. Given the well’s high rate, Amerisur is evaluating completion options to maximize efficiency, including the installation of an electric submersible pump.

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