“It’s also possible that they may drill right through our mineral rights and simply not perforate and frack those sections of the casing.” Brown said the change was unrelated to Erie’s minerals and instead stemmed from the removal of Boulder County interests and a private landowner seeking royalties. Even so, residents still lack the parcel-level inventory and engineering analysis needed to determine what leverage Erie’s holdings actually created. No public analysis explains how those estimates were calculated or what they would mean for the layout of the project. Under the agreement, Erie does not immediately receive its 3 percent share of production from the Draco wells.