| 861067 | Jan 27, 2020 | Jan 27, 2020 | U.S. Energy Development Corp | Ward | University Lands 43 20 #1HH | 12,000 | 47538104 |
| 861067Amendment | Jan 27, 2020 | Jan 27, 2020 | U.S. Energy Development Corp | Ward | University Lands 43-20 A #1HH | 12,000 | 47538104 |
| 852224 | Apr 22, 2019 | Apr 22, 2019 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 6EFH | 6,000 | 50733356 |
| 852224Amendment | Apr 22, 2019 | Apr 22, 2019 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 6EFH | 5,447 | 50733356 |
| 852222 | Apr 22, 2019 | Apr 22, 2019 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 5EFH | 6,000 | 50733355 |
| 852222Amendment | Apr 22, 2019 | Apr 22, 2019 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 5EFH | 5,414 | 50733355 |
| 850881 | Mar 13, 2019 | Mar 13, 2019 | U.S. Energy Development Corp | Frio | Monte Lenoso #D 4EFH | 6,500 | 16334188 |
| 850879 | Mar 13, 2019 | Mar 13, 2019 | U.S. Energy Development Corp | Frio | Monte Lenoso #D 3EFH | 6,500 | 16334187 |
| 850878 | Mar 13, 2019 | Mar 13, 2019 | U.S. Energy Development Corp | Frio | Monte Lenoso #D 2EFH | 6,500 | 16334186 |
| 850773 | Mar 8, 2019 | Mar 8, 2019 | U.S. Energy Development Corp | Frio | Monte Lenoso #D 1EFH | 6,500 | 16334182 |
| 837483Amendment | Dec 31, 2018 | Dec 31, 2018 | U.S. Energy Development Corp | Ward | Olifant University 38 18 #1HH | 12,100 | 47537487 |
| 846979 | Dec 31, 2018 | Dec 31, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #C 2EFH | 6,500 | 16334151 |
| 846981 | Nov 20, 2018 | Nov 20, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #C 1EFH | 6,500 | 16334152 |
| 846977 | Nov 20, 2018 | Nov 20, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #C 3EFH | 6,500 | 16334150 |
| 846884 | Nov 19, 2018 | Nov 19, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #C 4EFH | 6,500 | 16334149 |
| 845775 | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #B 1EFH | 6,500 | 16334145 |
| 845774 | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #B 2EFH | 6,500 | 16334144 |
| 845774Amendment | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #B 2EFH | 5,502 | 16334144 |
| 845772 | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #B 3EFH | 6,500 | 16334143 |
| 845772Amendment | Oct 17, 2018 | Oct 17, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #B 3EFH | 5,468 | 16334143 |
| 845675 | Oct 12, 2018 | Oct 12, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #B 4EFH | 6,500 | 16334141 |
| 845675Amendment | Oct 12, 2018 | Oct 12, 2018 | U.S. Energy Development Corp | Frio | Monte Lenoso #B 4EFH | 5,426 | 16334141 |
| 834944 | Jan 26, 2018 | Jan 26, 2018 | U.S. Energy Development Corp | Frio | Hideaway Ranch North #F 1EFH | 9,000 | 16334099 |
| 834953 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Frio | Hideaway Ranch North #G 3EFH | 9,000 | 16334104 |
| 834952 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Frio | Hideaway Ranch North #G 2EFH | 9,000 | 16334103 |
| 834949 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Frio | Hideaway Ranch North #G 1EFH | 9,000 | 16334102 |
| 834948 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Frio | Hideaway Ranch North #F 3EFH | 9,000 | 16334101 |
| 834947 | Jan 25, 2018 | Jan 25, 2018 | U.S. Energy Development Corp | Frio | Hideaway Ranch North #F 2EFH | 9,000 | 16334100 |
| 834937 | Jan 24, 2018 | Jan 24, 2018 | U.S. Energy Development Corp | Zavala | LLM North #A 2EFH | 9,000 | 50733320 |
| 834935 | Jan 24, 2018 | Jan 24, 2018 | U.S. Energy Development Corp | Zavala | LLM North #A 1EFH | 9,000 | 50733319 |
| 833940 | Dec 15, 2017 | Dec 15, 2017 | U.S. Energy Development Corp | Zavala | LLM South B Unit #2EFH | 9,000 | 50733315 |
| 833929 | Dec 14, 2017 | Dec 14, 2017 | U.S. Energy Development Corp | Zavala | LLM South B Unit #1EFH | 9,000 | 50733314 |
| 833928 | Dec 14, 2017 | Dec 14, 2017 | U.S. Energy Development Corp | Zavala | LLM South #C 2EFH | 9,000 | 50733313 |
| 833927 | Dec 14, 2017 | Dec 14, 2017 | U.S. Energy Development Corp | Zavala | LLM South #C 1EFH | 9,000 | 50733312 |
| 833701 | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 4EFH | 9,000 | 50733310 |
| 833701Amendment | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 4EFH | 9,000 | 50733310 |
| 833701Amendment | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 4EFH | 6,000 | 50733310 |
| 833701Amendment | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 4EFH | 5,416 | 50733310 |
| 833700 | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 3EFH | 9,000 | 50733309 |
| 833700Amendment | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 3EFH | 9,000 | 50733309 |
| 833700Amendment | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 3EFH | 6,000 | 50733309 |
| 833700Amendment | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 3EFH | 5,360 | 50733309 |
| 833698 | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 2EFH | 9,000 | 50733308 |
| 833698Amendment | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 2EFH | 9,000 | 50733308 |
| 833698Amendment | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 2EFH | 6,000 | 50733308 |
| 833698Amendment | Dec 7, 2017 | Dec 7, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 2EFH | 5,358 | 50733308 |
| 833695 | Dec 4, 2017 | Dec 4, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 1EFH | 9,000 | 50733307 |
| 833695Amendment | Dec 4, 2017 | Dec 4, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 1EFH | 9,000 | 50733307 |
| 833695Amendment | Dec 4, 2017 | Dec 4, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 1EFH | 6,000 | 50733307 |
| 833695Amendment | Dec 4, 2017 | Dec 4, 2017 | U.S. Energy Development Corp | Zavala | Sola Vaca Norte #A 1EFH | 5,348 | 50733307 |
| 824518 | Mar 28, 2017 | Mar 28, 2017 | U.S. Energy Development Corp | Zavala | LLM South #A 2EFH | 9,000 | 50733290 |
| 824519 | Mar 27, 2017 | Mar 27, 2017 | U.S. Energy Development Corp | Zavala | LLM South #A 3EFH | 9,000 | 50733291 |
| 824517 | Mar 27, 2017 | Mar 27, 2017 | U.S. Energy Development Corp | Zavala | LLM South #A 1EFH | 9,000 | 50733289 |
| 824517Amendment | Mar 27, 2017 | Mar 27, 2017 | U.S. Energy Development Corp | Zavala | LLM South #A 1EFH | 9,000 | 50733289 |
| 823817 | Mar 15, 2017 | Mar 15, 2017 | U.S. Energy Development Corp | Culberson | Admiral William Halsey Jr State #5HXH | 9,000 | 10933076 |
| 823568 | Feb 28, 2017 | Feb 28, 2017 | U.S. Energy Development Corp | Culberson | Uss Enterprise State #2HXH | 9,000 | 10933074 |
| 823567 | Feb 28, 2017 | Feb 28, 2017 | U.S. Energy Development Corp | Culberson | Uss Enterprise State #1HXH | 9,000 | 10933073 |
| 822947 | Feb 14, 2017 | Feb 14, 2017 | U.S. Energy Development Corp | Frio | Hideaway Ranch #D 3EFH | 6,500 | 16334061 |
| 822947Amendment | Feb 14, 2017 | Feb 14, 2017 | U.S. Energy Development Corp | Frio | Hideaway Ranch #D 3EFH | 6,500 | 16334061 |
| 822945 | Feb 14, 2017 | Feb 14, 2017 | U.S. Energy Development Corp | Frio | Hideaway Ranch #D 2EFH | 6,500 | 16334060 |
| 822945Amendment | Feb 14, 2017 | Feb 14, 2017 | U.S. Energy Development Corp | Frio | Hideaway Ranch #D 2EFH | 6,500 | 16334060 |
| 822943 | Feb 14, 2017 | Feb 14, 2017 | U.S. Energy Development Corp | Frio | Hideaway Ranch #D 1EFH | 6,500 | 16334059 |
| 822943Amendment | Feb 14, 2017 | Feb 14, 2017 | U.S. Energy Development Corp | Frio | Hideaway Ranch #D 1EFH | 6,500 | 16334059 |
| 820286 | Dec 8, 2016 | Dec 8, 2016 | U.S. Energy Development Corp | Frio | Hideaway Ranch #B 4EFH | 6,500 | 16334032 |
| 820286Amendment | Dec 8, 2016 | Dec 8, 2016 | U.S. Energy Development Corp | Frio | Hideaway Ranch #B 4EFH | 6,500 | 16334032 |
| 820285 | Dec 8, 2016 | Dec 8, 2016 | U.S. Energy Development Corp | Frio | Hideaway Ranch #B 3EFH | 6,500 | 16334031 |
| 820285Amendment | Dec 8, 2016 | Dec 8, 2016 | U.S. Energy Development Corp | Frio | Hideaway Ranch #B 3EFH | 6,500 | 16334031 |
| 820283 | Dec 8, 2016 | Dec 8, 2016 | U.S. Energy Development Corp | Frio | Hideaway Ranch #B 2EFH | 6,500 | 16334030 |
| 820283Amendment | Dec 8, 2016 | Dec 8, 2016 | U.S. Energy Development Corp | Frio | Hideaway Ranch #B 2EFH | 6,500 | 16334030 |
| 820282 | Dec 7, 2016 | Dec 7, 2016 | U.S. Energy Development Corp | Frio | Hideaway Ranch #B 1EFH | 6,500 | 16334029 |
| 814211 | Mar 9, 2016 | Mar 9, 2016 | U.S. Energy Development Corp | Culberson | Uss Enterprise State #1HH | 9,000 | 10932938 |
| 814211Amendment | Mar 9, 2016 | Mar 9, 2016 | U.S. Energy Development Corp | Culberson | Admiral William Halsey Jr State #3HXH | 9,000 | 10932938 |
| 814210 | Mar 9, 2016 | Mar 9, 2016 | U.S. Energy Development Corp | Culberson | Uss Intrepid State #1HH | 9,000 | 10932937 |
| 814094 | Mar 1, 2016 | Mar 1, 2016 | U.S. Energy Development Corp | Culberson | Admiral Frank Fletcher State #2HH | 9,000 | 10932936 |
| 814095 | Feb 28, 2016 | Feb 28, 2016 | U.S. Energy Development Corp | Culberson | Admiral William Halsey Jr State #2HH | 9,000 | 10932933 |
| 814095Amendment | Feb 28, 2016 | Feb 28, 2016 | U.S. Energy Development Corp | Culberson | Admiral William Halsey Jr State #2HH | 9,000 | 10932933 |
| 814095Amendment | Feb 28, 2016 | Feb 28, 2016 | U.S. Energy Development Corp | Culberson | Admiral William Halsey Jr State #2HXH | 9,000 | 10932933 |
| 814093 | Feb 28, 2016 | Feb 28, 2016 | U.S. Energy Development Corp | Culberson | Admiral Ernest King State #2HH | 9,000 | 10932935 |
| 814092 | Feb 28, 2016 | Feb 28, 2016 | U.S. Energy Development Corp | Culberson | Admiral Chester Nimitz State #2HH | 9,000 | 10932934 |
| 814092Amendment | Feb 28, 2016 | Feb 28, 2016 | U.S. Energy Development Corp | Culberson | Admiral Chester Nimitz State #2HXH | 9,000 | 10932934 |
| 814058 | Feb 26, 2016 | Feb 26, 2016 | U.S. Energy Development Corp | Zavala | Hideaway Ranch E3 Unit #E 3EFH | 9,000 | 50733268 |
| 814057 | Feb 26, 2016 | Feb 26, 2016 | U.S. Energy Development Corp | Zavala | Hideaway Ranch E2 Unit #E 2EFH | 9,000 | 50733267 |
| 814056 | Feb 26, 2016 | Feb 26, 2016 | U.S. Energy Development Corp | Zavala | Hideaway Ranch E1 Unit #E 1EFH | 9,000 | 50733266 |
| 811399 | Oct 22, 2015 | Oct 22, 2015 | U.S. Energy Development Corp | Frio | Ironwood Unit #A 4EFH | 9,000 | 16333974 |
| 811398 | Oct 22, 2015 | Oct 22, 2015 | U.S. Energy Development Corp | Frio | Ironwood Unit #A 3EFH | 9,000 | 16333973 |
| 811398Amendment | Oct 22, 2015 | Oct 22, 2015 | U.S. Energy Development Corp | Frio | Ironwood A3 Unit #A 3EFH | 9,000 | 16333973 |
| 811397 | Oct 22, 2015 | Oct 22, 2015 | U.S. Energy Development Corp | Frio | Ironwood Unit #A 2EFH | 9,000 | 16333972 |
| 811397Amendment | Oct 22, 2015 | Oct 22, 2015 | U.S. Energy Development Corp | Frio | Ironwood A2 Unit #A 2EFH | 9,000 | 16333972 |
| 811396 | Oct 22, 2015 | Oct 22, 2015 | U.S. Energy Development Corp | Frio | Ironwood Unit #A 1EFH | 9,000 | 16333971 |
| 811396Amendment | Oct 22, 2015 | Oct 22, 2015 | U.S. Energy Development Corp | Frio | Ironwood A1 Unit #A 1EFH | 9,000 | 16333971 |
| 804526 | Mar 11, 2015 | Mar 11, 2015 | U.S. Energy Development Corp | Jones | Reves 181 #1H | 5,000 | 25335445 |
| 804391 | Mar 6, 2015 | Mar 6, 2015 | U.S. Energy Development Corp | Culberson | Admiral Ernest King #1HCH | 9,000 | 10932839 |
| 804390 | Mar 6, 2015 | Mar 6, 2015 | U.S. Energy Development Corp | Culberson | Admiral William Halsey Jr #1HAH | 9,000 | 10932838 |
| 804308 | Mar 6, 2015 | Mar 6, 2015 | U.S. Energy Development Corp | Culberson | Admiral Frank Fletcher #1HCH | 9,000 | 10932835 |
| 804307 | Mar 6, 2015 | Mar 6, 2015 | U.S. Energy Development Corp | Culberson | Admiral Chester Nimitz #1HAH | 9,000 | 10932836 |
| 804216 | Mar 2, 2015 | Mar 2, 2015 | U.S. Energy Development Corp | Frio | Ironwood #B 3EFH | 9,000 | 16333933 |
| 804215 | Mar 2, 2015 | Mar 2, 2015 | U.S. Energy Development Corp | Frio | Ironwood #B 2EFH | 9,000 | 16333932 |
| 804214 | Mar 2, 2015 | Mar 2, 2015 | U.S. Energy Development Corp | Frio | Ironwood #B 1EFH | 9,000 | 16333931 |
| 803582 | Feb 10, 2015 | Feb 10, 2015 | U.S. Energy Development Corp | Zavala | Hideaway Ranch Unit #A 3EFH | 6,500 | 50733228 |
| 803582Amendment | Feb 10, 2015 | Feb 10, 2015 | U.S. Energy Development Corp | Zavala | Hideaway Ranch Unit #A 3EFH | 6,500 | 50733228 |