
Boren Descendants et al v. Fasken Oil and Ranch, LTD, offers something to talk about beyond interpretation of the fixed-or-floating NPRI question. At issue was this reservation, expressed as a double fraction, in a 1933 deed:, “an undivided … 1/4th of the usual … 1/8th royalty” from a conveyance of real property”.
The

“Ratification is not a game of ‘gotcha’”, said the Texas Supreme Court in
Did the lessor’s deposit of royalty checks for production from a pooled unit that she contends was improper ratify the improper pooling? In 
Co-author Chance Decker