| Sparks Yates 396 G-11-203956 | Bce-Mach III LLC only | Riley, North (Yates) | Gaines | 1 | 885 | 362K | Nov 2003 – May 2014 |
| Doss Yates 365 G-11-184081 | Bce-Mach III LLC only | Riley, North (Yates) | Gaines | 1 | 852 | 303K | May 2001 – Jun 2014 |
| Nye O-4-14103 | Nye Exploration & Prod, L.L.C. only | Morgan (5700 Riley Sand) | San Patricio | 1 | 831 | 0 | May 2018 – Dec 2019 |
| Martindale G-1-241829 | Riley Exploration, LLC only | Washburn, West (Wilcox Lo.) | La Salle | 1 | 829 | 65.7K | May 2008 – Jan 2010 |
| Kinnard O-1-14944 | Riley Exploration, LLC only | Pearsall (Austin Chalk) | Dimmit | 1 | 826 | 0 | Oct 2008 – Jul 2009 |
| Champion A G-13-241262 | Briley Operating, LLC only | Newark, East (Barnett Shale) | Wise | 1 | 731 | 187K | Jun 2007 – Apr 2024 |
| Riley GU G-14-28293 | Complete Oil & Gas Services, LLC only | Hansford (Morrow, Upper) | Hansford | 1 | 716 | 369K | by Jan 1993 – May 2020 |
| Doss Yates 365 G-11-191006 | Bce-Mach III LLC only | Riley, North (Yates) | Gaines | 1 | 554 | 697K | Aug 2002 – Dec 2015 |
| Taack O-13-21258 | Riley, Bob only | Young County Regular | Young | 4 | 490 | 13 | by Jan 1993 – Apr 2002 |
| Driscoll-Sevier G-4-144983 | Pearl, Bill H. Productions, Inc. only | Brayton (Briley Sand) | Nueces | 1 | 469 | 49.9K | Apr 1994 – Jun 1999 |
| Riley Trust G-5-156825 | Diversified Production LLC only | Bohlwhite (Cotton Valley Lime) | Robertson | 1 | 415 | 35.1M | Oct 1995 – Aug 2026 |
| Riley Afgk G-14-221334 | Burk Royalty Co., Ltd. only | Panhandle, West | Hutchinson | 1 | 355 | 168K | Jul 2006 – Apr 2026 |
| Spill, A. O-9-12268 | TKP Petroleum, Inc. only | Briley (Morris SD) | Runnels | 1 | 329 | 2.6K | by Jan 1993 – May 1994 |
| Riley O-8-14299 | Ipt Oil Company only | Throckmorton County Regular | Throckmorton | 12 | 321 | 17 | by Jan 1993 – Nov 1996 |
| Riley, Homer Unit O-13-19349 | Aruba Petroleum, Inc. only | Greenwood (Congl 6550) | Wise | 1 | 308 | 13.4K | by Jan 1993 – Jan 2008 |
| Stacy O-8-14671 | Riley, Mike & Associates, Inc. only | Carbon (Caddo) | Eastland | 2 | 297 | 62 | by Jan 1993 – Jul 1999 |
| North Riley Yates "361" G-11-207565 | Bce-Mach III LLC only | Riley, North (Yates) | Gaines | 1 | 287 | 234K | Feb 2005 – Jul 2015 |
| Rand-Paulson Riley Trust G-5-170391 | Diversified Production LLC only | Bohlwhite (Cotton Valley Lime) | Robertson | 1 | 260 | 10.5M | Aug 1998 – Aug 2026 |
| Riley G-13-222204 | Allgood Oil and Gas, LLC only | Newark, East (Barnett Shale) | Comanche | 1 | 248 | 7.11K | May 2006 – Apr 2017 |
| Riley G-14-202566 | Unbridled Resources, LLC only | Hansford (Morrow, Upper) | Hansford | 1 | 234 | 932K | Jun 2004 – Aug 2024 |
| Orgon O-9-6731 | Berry, Richard B. only | Briley (Palo Pinto) | Runnels | 1 | 226 | 5 | by Jan 1993 – May 1993 |
| Burel G-13-174964 | Briley Operating, LLC only | Gas Finders (Congl.) | Denton | 1 | 221 | 142K | Nov 1999 – Feb 2021 |
| Lea "B" G-13-157535 | Briley Operating, LLC only | Gas Finders (Congl.) | Denton | 1 | 211 | 141K | Feb 1996 – Sep 2023 |
| S&M Energy-Dean Stuessy -E- G-3-131602 | Riley Exploration Opg Co, LLC only | Serbin (Taylor Sand) | Bastrop | 1 | 194 | 125K | by Jan 1993 – Jan 2015 |
| Doss, M. S. G-11-202712 | Citation Oil & Gas Corp. only | Riley, North (Yates) | Gaines | 1 | 185 | 198K | Sep 2003 – Nov 2013 |
| Riley Trust G-6-247657 | TGNR East Texas II LLC only | Carthage (Haynesville Shale) | Harrison | 1 | 160 | 1.5M | Apr 2009 – Aug 2026 |
| N. Jenkins "398" G-11-225725 | Lynx Operating Co., Inc. only | Riley, North (Yates) | Gaines | 1 | 159 | 93.3K | Sep 2007 – May 2012 |
| Sparks Yates 396 G-11-203710 | Sabinal Energy Operating, LLC only | Riley, North (Yates) | Gaines | 1 | 151 | 246 | Dec 2003 – May 2004 |
| Briley, V. O-9-2303 | Pardue Oil only | Briley (Capps) | Runnels | 1 | 150 | 4 | by Jan 1993 – Apr 1993 |
| Doss Yates 395 G-11-188411 | Bce-Mach III LLC only | Riley, North (Yates) | Gaines | 1 | 143 | 336K | Feb 2002 – Dec 2015 |
| Riley, E. "362" G-11-251095 | Lynx Operating Co., Inc. only | Riley, North (Yates) | Gaines | 1 | 142 | 7.64K | Apr 2009 – Mar 2011 |
| Minzenmeyer, W. O-9-9417 | Morrison Drlg. & Prod. Co., Inc. only | Briley (Palo Pinto) | Runnels | 1 | 132 | 10 | by Jan 1993 – Oct 1993 |
| N. Jenkins "10" G-11-225667 | Lynx Operating Co., Inc. only | Riley, North (Yates) | Gaines | 1 | 128 | 84.9K | Sep 2007 – Nov 2015 |
| Brock "95" Lease O-10-34856 | Riley Production, Inc. only | Turner-Gregory (Clear Fork) | Mitchell | 1 | 122 | 0 | Feb 1996 – Feb 1996 |
| Doss Yates 395 G-11-184247 | Bce-Mach III LLC only | Riley, North (Yates) | Gaines | 1 | 117 | 808K | Jun 2001 – Dec 2015 |
| Riley O-1-11160 | Escondido Operating, Inc. only | Somerset | Atascosa | 1 | 115 | 4 | May 1994 – Nov 1999 |
| Turner "A" G-13-177485 | Briley Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 114 | 1.03M | Jun 2000 – Aug 2020 |
| McWilliams G-13-282595 | R.J. Riley Operating, LLC only | Young County Regular | Young | 1 | 111 | 39.5K | Mar 2017 – Aug 2026 |
| Randolph O-11-71204 | Riley Permian Operating Co, LLC only | Platang (San Andres) | Yoakum | 1 | 108 | 0 | Dec 2021 – Feb 2022 |
| Riley Trust G-5-161377 | Diversified Production LLC only | Bohlwhite (Cotton Valley Lime) | Robertson | 1 | 91 | 19.7M | Sep 1996 – Aug 2026 |
| Scott-Remmington G-13-144900 | R.J. Riley Operating, LLC only | Young County Regular | Young | 1 | 87 | 74.4K | Mar 1993 – Aug 2026 |
| Sauder-Stone et al Unit G-13-110580 | Briley Operating, LLC only | Boonsville (Bend Congl., Gas) | Wise | 1 | 85 | 199K | by Jan 1993 – May 2023 |
| N. Jenkins "363" G-11-225380 | Lynx Operating Co., Inc. only | Riley, North (Yates) | Gaines | 1 | 83 | 5.25K | Sep 2007 – Nov 2008 |
| N. Jenkins "10" G-11-225383 | Lynx Operating Co., Inc. only | Riley, North (Yates) | Gaines | 1 | 83 | 265K | Sep 2007 – Dec 2015 |
| Turner "A" G-13-178040 | Briley Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 78 | 596K | Jul 2000 – Aug 2020 |
| Cauthen O-9-14337 | Riley Resources Co. only | Co-Mc (Canyon Reef) | McCulloch | 1 | 50 | 0 | Jan 1996 – Apr 1996 |
| Turner "A" G-13-199080 | Briley Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 40 | 158K | Jul 2003 – Aug 2026 |
| King-Riley et al Unit "5344" G-13-67951 | Century Petroleum, Inc. only | Boling (5300) Field | Jack | 1 | 39 | 87K | by Jan 1993 – Apr 2020 |
| Boaz G-13-203680 | Briley Operating, LLC only | Newark, East (Barnett Shale) | Tarrant | 1 | 38 | 1M | May 2004 – Sep 2018 |
| Turner "A" G-13-189123 | Briley Operating, LLC only | Newark, East (Barnett Shale) | Denton | 1 | 26 | 775K | Apr 2002 – Aug 2020 |