× You're one step away from great content! Email Email First Name Last Name Company Thank you! Error - something went wrong! DOI Demystified: Connecting Tract and Lease Interests Share this Video Twitter Email LinkedIn Learn the fundamental concepts that drive division of interest calculations by connecting the DOI to the rights and interests associated with mineral tracts and leases. Hear from Rachelle Sutherland, President/1st Vice President of ATX-ALTA and Product Owner at Quorum Software as she discusses the different types of tract and lease interests including royalty interests, executive and non-executive interest and non-participating royalty interests, overriding royalty interests, and working interests.