Questar Exploration and Production Company, now known as QEP Energy Company, a Texas corporation Wexpro Company, a Utah corporation v. Rocky Mountain Resources, LLC

FENN, District Judge.

[¶1] Appellants, QEP Energy Company (“QEP”) and Wexpro Company (“Wexpro”) appeal the district court’s decision on cross summary judgment motions, the verdict and final judgment that found them liable for more than thirty million dollars in unpaid royalties, and the district court's denial of their motion for a new trial. We reverse and remand.

ISSUES

[¶2] Appellants phrase the issues as follows:

1.Whether the district court erred in concluding as a matter of law that the State of Wyoming’s oil and gas lease assignment form contains an anti-washout clause that vested a past…