| University Waddell Devonian Unit O-10-20692 | Formentera Operations LLC | University Waddell (Devonian) | Crane | 41 | 2.19M | 3.9M | by Jan 1993 – Aug 2026 |
| Texas University Sec. 1 & 2 O-10-20901 | Formentera Operations LLC | Dune | Crane | 73 | 1.3M | 652K | by Jan 1993 – Aug 2026 |
| University Lands 36 O-10-42346 | Formentera Operations LLC | McElroy | Crane | 7 | 681K | 1.37M | Dec 2012 – Aug 2026 |
| University -42- O-10-27091 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 5 | 547K | 702K | by Jan 1993 – Aug 2026 |
| University Devonian a 37 O-10-44626 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 3 | 228K | 542K | Dec 2011 – Aug 2026 |
| University Lands 30 O-10-41966 | Formentera Operations LLC | Dune | Crane | 2 | 202K | 272K | Oct 2011 – Aug 2026 |
| University O 25 O-10-27630 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 8 | 200K | 1.38M | by Jan 1993 – Aug 2026 |
| University Lands 25-B O-10-46178 | Formentera Operations LLC | McElroy | Crane | 1 | 197K | 226K | Dec 2014 – Aug 2026 |
| University 48 O-10-44102 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 2 | 169K | 481K | Apr 2013 – Aug 2026 |
| University Lands 42 O-10-41523 | Formentera Operations LLC | Dune | Crane | 2 | 152K | 298K | May 2011 – Mar 2026 |
| University -M- O-10-20693 | Formentera Operations LLC | McElroy | Crane | 13 | 151K | 6.8K | by Jan 1993 – Aug 2026 |
| University 25A O-10-28173 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 3 | 133K | 1.14M | by Jan 1993 – Aug 2026 |
| University Lands 19 O-10-42364 | Formentera Operations LLC | Dune | Crane | 3 | 118K | 105K | Feb 2012 – Aug 2026 |
| University Lands 31 O-10-41155 | Formentera Operations LLC | Dune | Crane | 3 | 116K | 269K | Apr 2011 – Aug 2026 |
| State of Texas -DX- O-10-18118 | Formentera Operations LLC | University Waddell (Devonian) | Crane | 6 | 98.4K | 78.8K | by Jan 1993 – Aug 2026 |
| University Devonian a 37 O-10-44504 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 1 | 91.1K | 282K | Apr 2013 – Aug 2026 |
| University Devonian 16 O-10-44860 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 1 | 88.7K | 72K | Oct 2013 – Aug 2026 |
| University Lands a 37 O-10-42495 | Formentera Operations LLC | McElroy | Crane | 5 | 78.8K | 512K | Apr 2012 – Dec 2023 |
| University Lands 25 O-10-46004 | Formentera Operations LLC | McElroy | Crane | 1 | 63.9K | 80.9K | Aug 2014 – Aug 2026 |
| University -36B- O-10-29143 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 3 | 60.8K | 364K | by Jan 1993 – Aug 2026 |
| University -36A- O-10-27803 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 2 | 60.7K | 1.08M | by Jan 1993 – Aug 2026 |
| University Devonian 48 O-10-44959 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 1 | 45.6K | 133K | Jun 2013 – Aug 2026 |
| University "47" G-10-169033 | Formentera Operations LLC | Block 31 (Queen) | Crane | 1 | 30.9K | 316K | May 1998 – Aug 2026 |
| University Devonian a 25 O-10-45035 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 1 | 30.3K | 446K | Aug 2012 – Aug 2026 |
| Atlantic University O-10-28352 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 2 | 30K | 837K | by Jan 1993 – Aug 2026 |
| University B 38 O-10-44973 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 2 | 27.3K | 108K | Sep 2013 – Aug 2026 |
| University 38 A O-10-45621 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 2 | 20K | 183K | Jul 2013 – Aug 2026 |
| University -35- O-10-27077 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 4 | 16.3K | 897K | by Jan 1993 – Oct 2005 |
| University -36B- O-10-59097 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 1 | 15.3K | 27.5K | Feb 2023 – Aug 2026 |
| State of Texas -DV- O-10-16924 | Formentera Operations LLC | University Waddell (Devonian) | Crane | 3 | 14.8K | 9.79K | by Jan 1993 – Sep 2019 |
| University 35A O-10-27237 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 3 | 13.1K | 236K | Nov 2012 – Aug 2026 |
| University 35 G-10-214565 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 1 | 12.2K | 299K | Nov 2005 – Aug 2026 |
| University -35- O-10-60013 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 1 | 10.7K | 19.2K | May 2023 – Aug 2026 |
| University O 25 O-10-59185 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 2 | 9.01K | 38.1K | Mar 2023 – Aug 2026 |
| University -36A- O-10-60018 | Formentera Operations LLC | Block 31 (Penn. 7620) | Crane | 1 | 5.88K | 10.2K | Aug 2023 – Aug 2026 |
| University 38 G-10-211842 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 1 | 4.19K | 112K | Apr 2005 – Aug 2026 |
| University "47A" G-10-169039 | Formentera Operations LLC | Block 31 (Queen) | Crane | 1 | 3.62K | 62K | Jun 1998 – Aug 2026 |
| Texas University Sec. 1 & 2 O-10-59708 | Formentera Operations LLC | University Waddell (Penn.) | Crane | 1 | 3.3K | 6.84K | Jul 2023 – Aug 2026 |
| University "47A" G-10-168030 | Formentera Operations LLC | Block 31 (Queen) | Crane | 1 | 2.57K | 303K | Mar 1998 – Aug 2026 |
| Sallie G-14-229584 | Formentera Operations LLC | Ivester (Atoka) | Wheeler | 1 | 2.51K | 1.51M | Jun 2007 – Aug 2026 |
| University 38 A G-10-166462 | Formentera Operations LLC | Block 31 (Queen) | Crane | 1 | 1.85K | 138K | Jan 1998 – Feb 2017 |
| University -35- A G-10-165881 | Formentera Operations LLC | Block 31 (Queen) | Crane | 1 | 1.82K | 166K | Nov 1997 – Feb 2017 |
| University 44 O-10-48364 | Formentera Operations LLC | Block 31 (Devonian) | Crane | 1 | 1.21K | 566 | Oct 2014 – Aug 2015 |
| University "47" G-10-169025 | Formentera Operations LLC | Block 31 (Queen) | Crane | 1 | 922 | 61.4K | May 1998 – Feb 2017 |
| University "37A" G-10-169037 | Formentera Operations LLC | Block 31 (Queen) | Crane | 1 | 782 | 108K | May 1998 – Aug 2026 |
| Rive Enterprises G-13-241105 | Formentera Operations LLC | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 2.21M | Jun 2008 – Aug 2026 |
| Rive Enterprises G-13-240282 | Formentera Operations LLC | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 2.75M | May 2008 – Aug 2026 |
| James Conn IV G-13-240143 | Formentera Operations LLC | Newark, East (Barnett Shale) | Hill | 1 | 0 | 1.75M | Jun 2008 – Aug 2026 |
| Livingstone G-13-219368 | Formentera Operations LLC | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 2.5M | May 2006 – Aug 2026 |
| Rive Enterprises G-13-240922 | Formentera Operations LLC | Newark, East (Barnett Shale) | Johnson | 1 | 0 | 2M | Sep 2008 – Aug 2026 |