To protect indigenous groups…the Ecuadorian government has declared…an oil-rich region of the Amazon off limits to oil development and logging…[T]he Intangible Zone overlaps the southern part of Yasuni National Park, which…is open to oil development…Petrobras [&] Andes Petroleum [a joint-venture between CNPC & Sinopec]…have active concessions within [the] Park…[T]he [Zone]…includes a large oil field, known as Awant…Andes Petroleum…purchased the oil rights to develop the block that contains Awant…[and] had been pressuring the government to alter the limits of the Zone to allow extraction of this field…CONAIE…opposed the delimitation of the Intangible Zone…Some [Huaorani] leaders … were…worried about the loss of their territory to increased government control