Working Interest/Net Revenue Calculations

Course Overview Video

Diversify Your Career Skills

This class is for Beginners to 10 Years’ Experience and for CPA’s wanting to better understand the
division of interest on revenue checks. The workshop focuses on the responsibilities of joint interest

The course is designed to provide the student with an extensive look at the many ways to calculate
WI/NRI interests, Non-Participating Royalty Interests, Before and After Payout Interests (Farmouts),
Non-Consents Revenue Interest and picks up where the Basic Combined Title and Lease Essentials
course leaves off. It addresses two way to calculate this interest, including the Net Tract Acre method.

The course comes with an interactive Spreadsheet which automatically calculates interest for the
Lessor, Lessee on an individual tract Basis and entire Unit Basis along with Before and Payout Interest.
This spreadsheet is a free download to students who take this course and is a vital tool to use while
performing this work.


• Introduction
• Understanding Spacing Units
• Poolings
• Unitization Agreements
• Forced Pooling
• Kansas – Integrated Unitization
• Calculating Wi/Nri Interest
• Sub-Tracts
• Waterflood And Unitizations From Leasehold Contribution
• Waterflood And Unitizations From Production Contribution
• Review
• Farmouts – Before And After Payout Calculations
• Overriding Royalty Interest Calculations As To The Entire Unit
• Joint Operating Agreement – Contract Area And Non-Consent Calculations
• Non-Participating Royalty Calculations – Ratifications
• Non-Executive Mineral Interest
• Calculations In A Production Sharing Agreement And Allocation Wells
• Cooperative Production Sharing Agreements
• Workshop

The course writer and instructor:
David Melton

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The Petroleum Landman School in ran by seasoned veterans of the industry, and our courses are backed by leading companies.
But let's hear what actual graduates have to say:

After finishing your class in August and now it being the first of October, I actually got a job last week working full time for a landman in Santa Fe handling federal leases.   I will tell you that they say what I learned in your class puts me ahead of the game so it was time and money well spent.

K. Haase

Dear David,
Thank you for the truly informative course held last September.
I have completed my first year as an in-house landman for a petroleum company and can’t imagine how I could have achieved it without your excellent tutelage.

R. Sidwell

Enrollment Options

Live Classroom

  • Includes Printed Course Manual
  • Testing, Homework, and Workshops
  • 12 Course Contact Hours
  • Student Minimum: 10


Live Webinar

  • Includes Printed Course Manual
  • Testing, Homework, and Workshops
  • 12 Course Contact Hours
  • Student Minimum: 5


Self-Paced Online

  • Printed Course Manual Not Included / Available Separately
  • Testing, Homework, and Workshops
  • 12 Course Contact Hours
  • Available for Six Months