Navigating the inheritance of Oklahoma mineral rights can be overwhelming. While an Affidavit of Heirship offers a streamlined way to claim royalties and sign leases, it comes with significant legal limitations—including the “10-year rule” for marketable title. From my perspective of treating every client like family, I explore when an affidavit is a practical solution for a small estate and when a formal probate is the only way to truly protect your legacy.











