Frequently Asked Questions

Thank you for your interest in the Penn State Royalty Calculator and Decline Curve Web App. Below please find a few of the most common questions about subscriptions and using the App. If you don't see your question here, please submit your question here or click the Contact Us tab above.


How long will my subscription last

Lite Subscriptions are free and do not expire

Basic Subscription are good for 30 day

Professional Subscriptions have three time options

  • 3-days
  • 30-days
  • 1-year

All subscriptions automatically expire at the end of the billing cycle. Currently, we do not automatically renew subscriptions.

What happens if my account subscription expires

Your account remains on the secure server until you reactivate your subscription.

Using The App

Do I need to fill in all the cells

More data will produce better results

Can I change my inputs

Yes, you can change the data you entered at anytime and the charts and graphs will automatically update

Where can I find the EUR and number of wells

Scroll down to the bottom of the input side of the screen, both the average EUR and the number of wells for the geographic area in your scenario can be found there.