| Florence O-9-16311 | COG Operating LLC only | Spraberry (Trend Area) | Upton | 10 | 835K | 2.41M | Jun 2007 – Aug 2026 |
| Florence O-10-24476 | Diamondback E&P LLC only | RK (Devonian) | Martin | 2 | 547K | 158 | by Jan 1993 – Feb 2017 |
| Hall, Florence O-10-39581 | COG Operating LLC only | Parks (Consolidated) | Midland | 4 | 237K | 638K | Apr 2009 – Jul 2025 |
| Lanham, Florence "536" O-11-1414 | Stephens & Johnson Operating Co. only | Fluvanna (Strawn) | Borden | 5 | 235K | 13K | by Jan 1993 – Aug 2026 |
| Florence, J. B., Est. O-6-2863 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville) | Camp | 6 | 177K | 20 | by Jan 1993 – Jan 2026 |
| Florence V. Shaver Est. O-14-8299 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Ochiltree | 2 | 158K | 492K | Sep 2010 – Aug 2026 |
| Bouldin, Florence V. -B- O-3-9880 | Oak Energy, LLC only | Sugar Valley, S. (Frio 10850) | Matagorda | 1 | 155K | 375K | by Jan 1993 – Oct 2022 |
| Florence O-6-16100 | Rose City Resources, LLC only | Hidden Rock (Cotton Valley Lime) | Cass | 1 | 140K | 51.7K | May 2024 – Aug 2026 |
| Florence, W., Etal O-7-6817 | Basa Resources, Inc. only | East Texas | Rusk | 5 | 131K | 22 | by Jan 1993 – Aug 2026 |
| Florence Unit O-3-23071 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk-3) | Lee | 1 | 127K | 1.93M | Sep 1996 – May 2026 |
| Hall, Florence O-10-4653 | COG Operating LLC only | Parks (Pennsylvanian) | Midland | 2 | 102K | 180K | by Jan 1993 – Mar 2009 |
| Florence O-14-1031 | Ponderosa TX Operating LLC only | Panhandle Hutchinson County Fld. | Hutchinson | 3 | 92.7K | 12.7K | by Jan 1993 – Aug 2026 |
| Florence, L. C. -B- O-6-1135 | Pride Energy Company only | Newsome (Sub-Clarksville) | Camp | 2 | 92.2K | 49 | by Jan 1993 – Aug 2026 |
| Florence Hall Trust O-10-41733 | New Height Energy, LLC only | Spraberry (Trend Area) | Martin | 2 | 72.1K | 219K | Sep 2011 – Feb 2024 |
| Florence, J. B., Heirs O-6-5034 | HD Operating Co, LLC only | Pittsburg (Sub-Clarksville -B-) | Camp | 3 | 66.7K | 0 | Sep 1995 – Jul 2026 |
| Scott, Florence O-11-64070 | Killer Rabbit Fields LLC only | Guinn (San Andres) | Lynn | 5 | 41.2K | 4.74K | by Jan 1993 – Oct 2019 |
| Fly, Florence O-8-15919 | Foundation Energy Management LLC only | Obrien (Strawn) | Haskell | 2 | 38.6K | 24 | by Jan 1993 – Aug 2017 |
| Trust McCoy "B" O-8-27531 | Van Operating, Ltd. only | Florence (Miss.) | Throckmorton | 1 | 35.9K | 12.9K | May 1995 – Sep 1999 |
| Moore, Florence O-13-13143 | Beren Corporation only | Clay County Regular | Clay | 2 | 27.8K | 31 | by Jan 1993 – May 2020 |
| Lanham, Florence "537" O-11-63183 | Stephens & Johnson Operating Co. only | Fluvanna (Strawn) | Scurry | 2 | 25.5K | 8.43K | by Jan 1993 – Dec 2003 |
| Florence "B" O-6-11207 | Fair Oil, Ltd. only | Pine Springs (Goodland Lime) | Smith | 1 | 25.2K | 217 | by Jan 1993 – Aug 2026 |
| Fisher, Florence O-3-20056 | Elp Production Company LLC only | Liberty, South (Yegua 10,400) | Liberty | 1 | 21.7K | 12.5K | by Jan 1993 – Aug 2026 |
| Hunter, Florence O-4-11393 | Anderson Oil Ltd. only | White Point, E. (Greta 4900 NW.) | San Patricio | 2 | 20.3K | 20.8K | by Jan 1993 – Apr 2000 |
| Florence 16 O-9-15238 | Summit Petroleum LLC only | Amacker-Tippett, W. (Bend) | Upton | 1 | 19K | 575K | Jan 2002 – Aug 2026 |
| Hall, Florence O-10-39590 | COG Operating LLC only | Bryant -G- (Strawn) | Midland | 1 | 16.6K | 29.5K | Apr 2008 – Mar 2009 |
| Felderhoff O-13-2164 | Grewing, Florence T. only | Cooke County Regular | Cooke | 35 | 16.1K | 20 | by Jan 1993 – Feb 2000 |
| Bryan, Florence O-3-4728 | Erg Resources, L.L.C. only | Pierce Junction | Harris | 2 | 15.5K | 56 | by Jan 1993 – May 2004 |
| Florence O-6-12607 | Smith Resources, Inc. only | Rodessa (Huffins-Hill) | Cass | 1 | 11.3K | 22K | by Jan 1993 – Nov 2012 |
| Florence O-10-48565 | Diamondback E&P LLC only | Spraberry (Trend Area) | Martin | 1 | 10.7K | 1.47K | Mar 2017 – Jan 2021 |
| Shaver, Florence V., Est. O-14-2892 | BP America Production Company only | Dutcher (Cleveland) | Ochiltree | 1 | 10.4K | 73.8K | by Jan 1993 – Apr 2011 |
| Florence O-3-18765 | Cago, Inc. only | Kurten (Buda) | Brazos | 1 | 9.84K | 9K | by Jan 1993 – Sep 1999 |
| Florence, W. "A" O-7-8685 | Mustang Operating Company only | East Texas | Rusk | 2 | 8.66K | 54 | by Jan 1993 – Sep 2000 |
| Fisher, Florence O-3-15187 | Rio O & P LLC only | Liberty, South | Liberty | 2 | 7.51K | 157 | by Jan 1993 – Dec 2005 |
| Florence, W. O-7-8677 | Mustang Operating Company only | East Texas | Rusk | 1 | 4.46K | 54 | by Jan 1993 – Jul 2000 |
| Florence-Wessely O-6-12062 | Moss Petroleum Company only | Newsome (Sub-Clarksville) | Camp | 1 | 3.31K | 19 | by Jan 1993 – Feb 1997 |
| Florence O-3-16671 | U. S. Operating, Inc. only | Giddings (Austin Chalk-3) | Lee | 1 | 2.96K | 23.3K | by Jan 1993 – Aug 1996 |
| Florence O-11-69044 | Parallel Petroleum LLC only | Harris (San Andres) | Andrews | 1 | 2.84K | 0 | Nov 2006 – Feb 2010 |
| Shaver, Florence V., Est. O-14-8346 | Latigo Petroleum, LLC only | Pan Petro (Cleveland) | Ochiltree | 1 | 2.52K | 51.2K | May 2011 – Aug 2026 |
| Poage "692" O-8-28024 | Riley Production only | Florence (Miss.) | Throckmorton | 1 | 2.45K | 12 | Oct 1996 – Sep 1997 |
| Hilltex Bramlette "24" O-8-30036 | Hilltex Operating Company, LLC only | Florence (Caddo) | Throckmorton | 1 | 2.31K | 1.35K | Mar 2008 – Feb 2015 |
| Fisher, Florence C. O-3-28063 | Elp Production Company LLC only | Liberty, South (Yegua 10,400) | Liberty | 1 | 1.55K | 0 | Oct 2023 – Aug 2026 |
| Florence O-7-6669 | Gulftex Operating Inc only | East Texas | Gregg | 1 | 1.42K | 12 | by Jan 1993 – Apr 1997 |
| Bryant, Florence O-8-13167 | Sequoia Natural Gas, Inc. only | Albany Leech (Miss) | Shackelford | 1 | 951 | 19 | by Jan 1993 – Jun 2008 |
| Florence 27 O-9-20092 | Toc Energy Resources, LLC only | Phyllis Sonora (Clearfork) | Sutton | 1 | 505 | 8.34K | Jun 2018 – May 2026 |
| Graham O-13-2187 | Grewing, Florence T. only | Cooke County Regular | Cooke | 1 | 463 | 18 | by Jan 1993 – Mar 1996 |
| Buckler Trust "233" Unit O-8-26848 | Ashtola Exploration Company,inc. only | Florence (Caddo) | Throckmorton | 1 | 203 | 3.6K | Apr 1993 – Aug 1993 |
| Green, Florence O-8-19040 | Rife, M. O., Jr. only | Palo Pinto County Regular | Palo Pinto | 12 | 195 | 4 | by Jan 1993 – Apr 1993 |
| Florence Hamill 26 O-9-18135 | Toc Energy Resources, LLC only | Phyllis Sonora (Clearfork) | Sutton | 1 | 114 | 159 | Dec 2012 – Jun 2020 |
| Fisher, Florence C. O-3-2681 | Low-End Oil LLC only | Liberty, South | Liberty | 1 | 1 | 1 | May 1993 – May 1993 |
| Felderhoff "B" O-13-21087 | Grewing, Florence T. only | Cooke County Regular | Cooke | 3 | 0 | 0 | — |