| 2001 | ROYAL TRUDE | Hood County, TX | Oil & Gas Property | Sep 2024 |
| 2002 | ROYAL UNIT A | Dewitt County, TX | Oil & Gas Property | Sep 2024 |
| 2003 | ROYAL UNIT B | Dewitt County, TX | Oil & Gas Property | Sep 2024 |
| 2004 | ROYALL | Shackelford County, TX | Oil & Gas Property | Sep 2024 |
| 2005 | ROYALL | Anderson County, TX | Oil & Gas Property | Sep 2024 |
| 2006 | ROYALL | Henderson County, TX | Oil & Gas Property | Sep 2024 |
| 2007 | ROYALL | Anderson County, TX | Oil & Gas Property | Jan 2017 |
| 2008 | ROYALL & CONE | Anderson County, TX | Oil & Gas Property | Sep 2024 |
| 2009 | ROYALL NATIONAL BANK -B | Anderson County, TX | Oil & Gas Property | Sep 2024 |
| 2010 | ROYE | Reagan County, TX | Oil & Gas Property | Jan 2021 |
| 2011 | ROYE, F. C | Montague County, TX | Oil & Gas Property | Sep 2024 |
| 2012 | ROYER | Lipscomb County, TX | Oil & Gas Property | Sep 2024 |
| 2013 | ROYSTER | Schleicher County, TX | Oil & Gas Property | Sep 2024 |
| 2014 | ROZELLE | Cherokee County, TX | Oil & Gas Property | Sep 2024 |
| 2015 | ROZNOV | Fayette County, TX | Oil & Gas Property | Feb 2024 |
| 2016 | RP JONES TRUST 189 | Lipscomb County, TX | Oil & Gas Property | Sep 2024 |
| 2017 | RP RADER 190 | Lipscomb County, TX | Oil & Gas Property | Sep 2024 |
| 2018 | RP TUBB 194 | Lipscomb County, TX | Oil & Gas Property | Sep 2024 |
| 2019 | RPQR | Fisher County, TX | Oil & Gas Property | Sep 2024 |
| 2020 | RPV HAWK B MIPA | Tarrant County, TX | Gas Property | Sep 2024 |
| 2021 | RPV HILLS B MIPA 1H | Tarrant County, TX | Gas Property | Sep 2024 |
| 2022 | RR-BRENNAND | Yoakum County, TX | Oil & Gas Property | Sep 2024 |
| 2023 | RR-GOOGINS | Yoakum County, TX | Oil & Gas Property | Sep 2024 |
| 2024 | RR-GOOGINS 249 | Yoakum County, TX | Oil & Gas Property | Sep 2024 |
| 2025 | RSA SAN ANDRES | Garza County, TX | Oil & Gas Property | Sep 2024 |
| 2026 | RSK A | Wise County, TX | Oil & Gas Property | Sep 2024 |
| 2027 | RSK CORP | Wise County, TX | Oil & Gas Property | Jul 2023 |
| 2028 | RSK-STAR | Wise County, TX | Oil & Gas Property | Sep 2024 |
| 2029 | RSW-MIKKELSON-ROGERS SA | Karnes County, TX | Oil & Gas Property | Sep 2024 |
| 2030 | RT FOSTER 1 | Sterling County, TX | Oil & Gas Property | Sep 2024 |
| 2031 | RT LIGHTNING 1HB | Shelby County, TX | Gas Property | Sep 2024 |
| 2032 | RTCS | Fisher County, TX | Oil & Gas Property | Sep 2024 |
| 2033 | RTR-WOLF 40-52 A UNIT | Borden County, TX | Oil & Gas Property | Aug 2024 |
| 2034 | RUBACH | Burleson County, TX | Oil & Gas Property | Jun 2022 |
| 2035 | RUBBER NECK 358 | Yoakum County, TX | Oil & Gas Property | Sep 2024 |
| 2036 | RUBERT | Moore County, TX | Gas Property | Sep 2024 |
| 2037 | RUBEY ESTATE GAS UNIT | Upshur County, TX | Oil & Gas Property | Sep 2024 |
| 2038 | RUBIES DREAM UNIT | Zavala County, TX | Oil & Gas Property | Sep 2024 |
| 2039 | RUBIN | Moore County, TX | Gas Property | Sep 2024 |
| 2040 | RUBIN | Hutchinson County, TX | Gas Property | Sep 2024 |
| 2041 | RUBIN-MCDOWELL | Hutchinson County, TX | Oil & Gas Property | Sep 2024 |
| 2042 | RUBIO | Webb County, TX | Oil & Gas Property | Aug 2024 |
| 2043 | RUBRECHT S. M | Cooke County, TX | Oil & Gas Property | Sep 2024 |
| 2044 | RUBY | Jack County, TX | Oil & Gas Property | Dec 2023 |
| 2045 | RUBY | Hansford County, TX | Oil & Gas Property | Sep 2024 |
| 2046 | RUBY | Shelby County, TX | Oil & Gas Property | Sep 2024 |
| 2047 | RUBY | Stephens County, TX | Gas Property | Sep 2024 |
| 2048 | RUBY | Yoakum County, TX | Oil & Gas Property | Sep 2024 |
| 2049 | RUBY | Reagan County, TX | Oil & Gas Property | Sep 2024 |
| 2050 | RUBY | Cass County, TX | Oil Property | Sep 2024 |
| 2051 | RUBY 50 | Shackelford County, TX | Oil & Gas Property | Jul 2024 |
| 2052 | RUBY G. MCCLUNG (AW) | Wise County, TX | Oil & Gas Property | Sep 2024 |
| 2053 | RUBY HELBING | Crockett County, TX | Oil & Gas Property | Sep 2024 |
| 2054 | RUBY LEE | Wheeler County, TX | Oil & Gas Property | Sep 2024 |
| 2055 | RUBY MIDDLETON G | Freestone County, TX | Oil & Gas Property | Sep 2024 |
| 2056 | RUBY NORTH UNIT 1-39 | Reeves County, TX | Oil & Gas Property | Sep 2024 |
| 2057 | RUBY RUTH | Gonzales County, TX | Oil & Gas Property | Sep 2024 |
| 2058 | RUBY SOUTH UNIT 1-39 | Reeves County, TX | Oil & Gas Property | Sep 2024 |
| 2059 | RUCK D - C - COLLEEN ULW F | Karnes County, TX | Oil & Gas Property | Sep 2024 |
| 2060 | RUCK D - COLLEEN A USW | Karnes County, TX | Oil & Gas Property | Sep 2024 |
| 2061 | RUCK UNIT 3-17 | Reeves County, TX | Oil & Gas Property | Sep 2024 |
| 2062 | RUCKA UNIT A | Dewitt County, TX | Oil & Gas Property | Sep 2024 |
| 2063 | RUCKER | Montague County, TX | Oil & Gas Property | Sep 2024 |
| 2064 | RUCKER UNIT | Gonzales County, TX | Oil & Gas Property | Sep 2024 |
| 2065 | RUCKER W | Cherokee County, TX | Oil & Gas Property | Sep 2024 |
| 2066 | RUCKER-SCHILLING | Harris County, TX | Oil & Gas Property | Sep 2024 |
| 2067 | RUCKMAN A S. REYNOLDS D USW | Karnes County, TX | Oil & Gas Property | Sep 2024 |
| 2068 | RUCKMAN RANCH UNIT | Dewitt County, TX | Oil & Gas Property | Sep 2024 |
| 2069 | RUCKMAN TRUST UNIT | Karnes County, TX | Oil & Gas Property | Sep 2024 |
| 2070 | RUCKMAN-SCHENDEL USW | Karnes County, TX | Oil & Gas Property | Sep 2024 |
| 2071 | RUCKTASHEL C. W | Montague County, TX | Oil & Gas Property | Sep 2024 |
| 2072 | RUDD | Harrison County, TX | Oil & Gas Property | Sep 2024 |
| 2073 | RUDD | Harrison County, TX | Oil & Gas Property | Sep 2024 |
| 2074 | RUDD | Gaines County, TX | Oil & Gas Property | Sep 2024 |
| 2075 | RUDD AC | Karnes County, TX | Oil & Gas Property | Sep 2024 |
| 2076 | RUDD DRAW | Loving County, TX | Oil & Gas Property | Sep 2024 |
| 2077 | RUDD ESTATE 1 | Wise County, TX | Oil & Gas Property | Aug 2024 |
| 2078 | RUDD GAS UNIT | Harrison County, TX | Oil & Gas Property | Mar 2020 |
| 2079 | RUDD UNIT | Harrison County, TX | Oil & Gas Property | Sep 2024 |
| 2080 | RUDD UNIT | Dewitt County, TX | Oil & Gas Property | Sep 2024 |
| 2081 | RUDD W.L | Harrison County, TX | Oil & Gas Property | Sep 2024 |
| 2082 | RUDD W.L. GAS UNIT | Harrison County, TX | Oil & Gas Property | Sep 2024 |
| 2083 | RUDD-GREEN A (SA) A | Karnes County, TX | Oil & Gas Property | Sep 2024 |
| 2084 | RUDE RAM 2120 | Pecos County, TX | Oil & Gas Property | Sep 2024 |
| 2085 | RUDEL | Harris County, TX | Gas Property | Aug 2024 |
| 2086 | RUDLOFF | Callahan County, TX | Oil & Gas Property | Aug 2024 |
| 2087 | RUDMAN | Panola County, TX | Oil & Gas Property | Sep 2024 |
| 2088 | RUDMAN | Smith County, TX | Oil & Gas Property | Mar 2023 |
| 2089 | RUDMAN | Panola County, TX | Oil & Gas Property | Sep 2024 |
| 2090 | RUDMAN DUKE GAS UNIT | Panola County, TX | Oil & Gas Property | Sep 2024 |
| 2091 | RUDMAN-GENECOV | Panola County, TX | Oil & Gas Property | Sep 2024 |
| 2092 | RUDOLPH UNIT | Gonzales County, TX | Oil & Gas Property | Sep 2024 |
| 2093 | RUE B. C | Young County, TX | Oil & Gas Property | Aug 2024 |
| 2094 | RUEN | Grimes County, TX | Oil & Gas Property | Sep 2024 |
| 2095 | RUFF J. H | Shackelford County, TX | Oil Property | Sep 2024 |
| 2096 | RUFFINO | Brazos County, TX | Oil & Gas Property | Jan 2019 |
| 2097 | RUFUS | Martin County, TX | Oil & Gas Property | Sep 2024 |
| 2098 | RUFUS 20 | Martin County, TX | Oil & Gas Property | Sep 2024 |
| 2099 | RUFUS TOM | Martin County, TX | Oil & Gas Property | Sep 2024 |
| 2100 | RUGELEY HENRY | Matagorda County, TX | Oil & Gas Property | Mar 2021 |