| 2001 | ROXANA | Carson County, TX | Oil & Gas Property | Apr 2026 |
| 2002 | ROXANA-RICE | Shackelford County, TX | Oil & Gas Property | Feb 2013 |
| 2003 | ROXANNE FEE 46 | Culberson County, TX | Oil & Gas Property | Apr 2026 |
| 2004 | ROXIE | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 2005 | ROXIE | Reeves County, TX | Oil & Gas Property | Nov 2016 |
| 2006 | ROXIE STATE 6 | Pecos County, TX | Oil & Gas Property | Apr 2026 |
| 2007 | ROXY B UNIT | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 2008 | ROXY UNIT | Montague County, TX | Oil & Gas Property | Apr 2026 |
| 2009 | ROY 1 | Martin County, TX | Oil & Gas Property | Apr 2026 |
| 2010 | ROY BEAN 42 | Reeves County, TX | Oil & Gas Property | Mar 2026 |
| 2011 | ROY C. COFFEE GAS UNIT | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 2012 | ROY ESSE | Live Oak County, TX | Oil & Gas Property | Apr 2026 |
| 2013 | ROY FLOWERS | Ochiltree County, TX | Oil & Gas Property | Apr 2026 |
| 2014 | ROY GLASS -A | Sterling County, TX | Oil Property | Mar 2026 |
| 2015 | ROY HENDERSON 32 1 | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 2016 | ROY LINN | Ochiltree County, TX | Oil & Gas Property | Apr 2026 |
| 2017 | ROY PARKS B | Ector County, TX | Oil & Gas Property | Apr 2026 |
| 2018 | ROY RAUCH | Concho County, TX | Oil & Gas Property | Oct 2025 |
| 2019 | ROY ROGERS 21 | Reeves County, TX | Oil & Gas Property | Sep 2022 |
| 2020 | ROY W. V | Garza County, TX | Oil & Gas Property | Apr 2026 |
| 2021 | ROY-B | Garza County, TX | Oil & Gas Property | Apr 2026 |
| 2022 | ROYAL | Anderson County, TX | Oil Property | Apr 2026 |
| 2023 | ROYAL B-HALEPESKA-SMITH (SA) D | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 2024 | ROYAL NATIONAL BANK | Anderson County, TX | Oil & Gas Property | Feb 2024 |
| 2025 | ROYAL PECAN UNIT EB | Burleson County, TX | Oil & Gas Property | Mar 2026 |
| 2026 | ROYAL PENDLETON | Sherman County, TX | Gas Property | Apr 2026 |
| 2027 | ROYAL TRUDE | Hood County, TX | Oil & Gas Property | Apr 2026 |
| 2028 | ROYAL UNIT A | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 2029 | ROYAL UNIT B | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 2030 | ROYALL | Shackelford County, TX | Oil & Gas Property | Apr 2026 |
| 2031 | ROYALL | Anderson County, TX | Oil & Gas Property | Apr 2026 |
| 2032 | ROYALL | Henderson County, TX | Oil & Gas Property | Apr 2026 |
| 2033 | ROYALL | Anderson County, TX | Oil & Gas Property | Jan 2017 |
| 2034 | ROYALL & CONE | Anderson County, TX | Oil & Gas Property | Apr 2026 |
| 2035 | ROYALL NATIONAL BANK -B | Anderson County, TX | Oil & Gas Property | Apr 2026 |
| 2036 | ROYE | Reagan County, TX | Oil & Gas Property | Jan 2021 |
| 2037 | ROYE, F. C | Montague County, TX | Oil & Gas Property | Mar 2026 |
| 2038 | ROYER | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 2039 | ROYSTER | Schleicher County, TX | Oil & Gas Property | Apr 2026 |
| 2040 | ROZELLE | Cherokee County, TX | Oil & Gas Property | Apr 2026 |
| 2041 | ROZNOV | Fayette County, TX | Oil & Gas Property | Mar 2026 |
| 2042 | RP JONES TRUST 189 | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 2043 | RP RADER 190 | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 2044 | RP TUBB 194 | Lipscomb County, TX | Oil & Gas Property | Apr 2026 |
| 2045 | RPQR | Fisher County, TX | Oil & Gas Property | Apr 2026 |
| 2046 | RPV HAWK B MIPA | Tarrant County, TX | Gas Property | Apr 2026 |
| 2047 | RPV HILLS B MIPA 1H | Tarrant County, TX | Gas Property | Apr 2026 |
| 2048 | RR-BRENNAND | Yoakum County, TX | Oil & Gas Property | Apr 2026 |
| 2049 | RR-GOOGINS | Yoakum County, TX | Oil & Gas Property | Apr 2026 |
| 2050 | RR-GOOGINS 249 | Yoakum County, TX | Oil & Gas Property | Apr 2026 |
| 2051 | RRU-KORTH USW | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2052 | RRU-NARANJO USW | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2053 | RSA SAN ANDRES | Garza County, TX | Oil & Gas Property | Apr 2026 |
| 2054 | RSK A | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 2055 | RSK CORP | Wise County, TX | Oil & Gas Property | Nov 2024 |
| 2056 | RSK-STAR | Wise County, TX | Oil & Gas Property | Apr 2026 |
| 2057 | RSW-MIKKELSON-ROGERS SA | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2058 | RT FOSTER 1 | Sterling County, TX | Oil & Gas Property | Apr 2026 |
| 2059 | RT LIGHTNING 1HB | Shelby County, TX | Gas Property | Apr 2026 |
| 2060 | RT-NELLER-KOLO (SA) D6 D6H | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2061 | RT-SLAUGHTER | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2062 | RTCS | Fisher County, TX | Oil & Gas Property | Apr 2026 |
| 2063 | RTR-WOLF 40-52 A UNIT | Borden County, TX | Oil & Gas Property | Apr 2026 |
| 2064 | RUBACH | Burleson County, TX | Oil & Gas Property | Jun 2022 |
| 2065 | RUBBER NECK 358 | Yoakum County, TX | Oil & Gas Property | Apr 2026 |
| 2066 | RUBERT | Moore County, TX | Gas Property | Apr 2026 |
| 2067 | RUBEY ESTATE GAS UNIT | Upshur County, TX | Oil & Gas Property | Apr 2026 |
| 2068 | RUBIES DREAM UNIT | Zavala County, TX | Oil & Gas Property | Apr 2026 |
| 2069 | RUBIN | Moore County, TX | Gas Property | Apr 2026 |
| 2070 | RUBIN | Hutchinson County, TX | Gas Property | Apr 2026 |
| 2071 | RUBIN-MCDOWELL | Hutchinson County, TX | Oil & Gas Property | Apr 2026 |
| 2072 | RUBIO | Webb County, TX | Oil & Gas Property | Apr 2026 |
| 2073 | RUBRECHT S. M | Cooke County, TX | Oil & Gas Property | Apr 2026 |
| 2074 | RUBY | Jack County, TX | Oil & Gas Property | Dec 2023 |
| 2075 | RUBY | Hansford County, TX | Oil & Gas Property | Apr 2026 |
| 2076 | RUBY | Shelby County, TX | Oil & Gas Property | Apr 2026 |
| 2077 | RUBY | Stephens County, TX | Gas Property | Apr 2026 |
| 2078 | RUBY | Reagan County, TX | Oil & Gas Property | Apr 2025 |
| 2079 | RUBY | Cass County, TX | Oil Property | Apr 2026 |
| 2080 | RUBY 50 | Shackelford County, TX | Oil & Gas Property | Jun 2025 |
| 2081 | RUBY G. MCCLUNG (AW) | Wise County, TX | Oil & Gas Property | Nov 2025 |
| 2082 | RUBY HELBING | Crockett County, TX | Oil & Gas Property | Apr 2026 |
| 2083 | RUBY LEE | Wheeler County, TX | Oil & Gas Property | Apr 2026 |
| 2084 | RUBY MIDDLETON G | Freestone County, TX | Oil & Gas Property | Apr 2026 |
| 2085 | RUBY NORTH UNIT 1-39 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 2086 | RUBY RUTH | Gonzales County, TX | Oil & Gas Property | Apr 2026 |
| 2087 | RUCK D - COLLEEN A USW | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2088 | RUCK UNIT 3-17 | Reeves County, TX | Oil & Gas Property | Apr 2026 |
| 2089 | RUCK-COL-BROWN ULW A 1 | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2090 | RUCKA UNIT A | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 2091 | RUCKER | Cherokee County, TX | Oil & Gas Property | Apr 2026 |
| 2092 | RUCKER | Montague County, TX | Oil & Gas Property | Apr 2026 |
| 2093 | RUCKER UNIT | Gonzales County, TX | Oil & Gas Property | Apr 2026 |
| 2094 | RUCKER-SCHILLING | Harris County, TX | Oil & Gas Property | Apr 2026 |
| 2095 | RUCKMAN A S. REYNOLDS D USW | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2096 | RUCKMAN RANCH | Dewitt County, TX | Oil & Gas Property | Apr 2026 |
| 2097 | RUCKMAN TRUST UNIT | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2098 | RUCKMAN-SCHENDEL USW | Karnes County, TX | Oil & Gas Property | Apr 2026 |
| 2099 | RUCKTASHEL C. W | Montague County, TX | Oil & Gas Property | Apr 2026 |
| 2100 | RUDD | Harrison County, TX | Oil & Gas Property | Apr 2026 |