Pacer Energy, Ltd. v. Endeavor Energy Resources, LP Pony Oil, LLC Viper Energy Partners, LLC MKSea, LLC Royalty Asset Holdings, LP And Pony Oil Operating, LLC

Opinion filed September 14, 2023 In The Eleventh Court of Appeals __________ No. 11-21-00169-CV __________ PACER ENERGY, LTD., Appellant V. ENDEAVOR ENERGY RESOURCES, LP; PONY OIL, LLC; VIPER ENERGY PARTNERS, LLC; MKSEA, LLC; ROYALTY ASSET HOLDINGS, LP; AND PONY OIL OPERATING, LLC, Appellees On Appeal from the 118th District Court Martin County, Texas Trial Court Cause No. 7518 OPINION This appeal concerns a conveyance in a 1923 warranty deed of “One-Eighth of the Oil and Mineral rights . . . conveyed as a royalty.” In two 1960 declarations of interest, the grantor and the grantee’s…