The Golfo de San Jorge basin, located in central Patagonia, is a multilayer reservoir with complex geology. Because of this,<br>the industry traditionally has relied on conventional swabbing as the most reliable way to determine the production and flow<br>rates of each zone. After the wells are drilled and cased, the potential producing layers are perforated and tested to determine<br>individual zone contribution. The well-testing information is used to select the zones that are plugged, the zones that will<br>produce naturally, and the zones that will be fractured to enhance production.


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