EAI Brief: EP Petroecuador and Shaya Ecuador SA start first EOR pilot in Culebra and Yulebra

PANAMA CITY, PANAMA (By Piero Stewart, Energy Analytics Institute, 26.Jun.2025, Words: 121) — State-owned EP Petroecuador and Shaya Ecuador SA commenced the first enhanced oil recovery (EOR) pilot in the Culebra and Yulebra oil fields of the Auca asset.

The project includes the injection of polymers, a technique that seeks to increase the recovery factor between 7% and 10% respectively.