OGX Concludes Drill-Stem Test in Santos Basin

OGX has concluded a drill-stem test conducted in the Santonian section of vertical well 1-OGX-47-RJS in the BM-S-59 block in the shallow waters of the Santos Basin.

The operator stated that this is the first of a series of tests that have obtained significant productivity data from their sandstone reservoirs, and is a crucial step in better understanding the basin and the beginning stages of development.

Along with the presence of gas, the test confirmed the existence of condensate of about 50 degree API that should count for nearly 20% of the hydrocarbon volume of this structure. Test results indicate a production capacity of 1 MMcm/d in a vertical well, which could reach 2.5 MMcm/d in a horizontal well, both at Absolute Open Flow.

The company will combine the test results with accumulations of Natal, which will be the following well tested, and Aracaju, which will be tested in a Discovery Appraisal Plan. Well OGX-47, named Maceio, lies in a water depth of 607 feet (185 meters) offshore Brazil.  

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