| Andrew Arnquist Estate #00530-015-41894 | Extex Operating Company | EddyPenasco Draw; SA-Yeso (Assoc) | ActiveOil | 3,005 | Dec 19, 2013 | 0 | 0 |
| Lazy J 27 State #001HHZ30-025-40186 | Extex Operating Company | LeaWildcat G-06 S133327M; Abo | ActiveOil | 13,398 | Jul 8, 2011 | 1,511 | 23,812 |
| Harton #00230-025-40161 | Extex Operating Company | LeaTatum; Upper Penn | ActiveOil | 11,600 | Jun 15, 2011 | 1,003 | 1,326 |
| Estacado 18 State Com #001HHZ30-025-40126 | Extex Operating Company | LeaWildcat G-06 S143423D; Abo | ActiveOil | 14,110 | May 2, 2011 | 0 | 0 |
| Chicken Hawk 21 State Com #001HZ30-025-39757 | Extex Operating Company | LeaAnderson Ranch; Wolfcamp, West | ActiveOil | 13,381 | Jun 1, 2010 | 737 | 19 |
| State E 744-15 #00230-025-39747 | Extex Operating Company | LeaCorbin; Delaware, West | ActiveOil | 6,035 | May 4, 2010 | 406 | 0 |
| High Plains 22 State Com #001HHZ30-025-39540 | Extex Operating Company | LeaHigh Plains; Permo Upper Penn | ActiveOil | 13,840 | Oct 15, 2009 | 2,296 | 3,828 |
| Good Hands 15 State #001HHZ30-025-39463 | Extex Operating Company | LeaTulk; Wolfcamp, North | ActiveOil | 11,621 | Jul 17, 2009 | 0 | 0 |
| Pembina B 33 Federal Com #002H30-015-36502 | Extex Operating Company | EddyFour Mile Draw; Wolfcamp(g) | ActiveGas | 8,400 | Aug 4, 2008 | 0 | 10,673 |
| Bulldog 19 State #002H30-015-36303 | Extex Operating Company | EddyFour Mile Draw; Wolfcamp(g) | ActiveGas | 8,680 | Apr 29, 2008 | 0 | 12,097 |
| Pembina a 33 State #001H30-015-36129 | Extex Operating Company | EddyFour Mile Draw; Wolfcamp(g) | ActiveGas | 8,267 | Feb 20, 2008 | 0 | 13,397 |
| Llano 1 Federal #001H30-015-36059 | Extex Operating Company | EddyRio Penasco; Wolfcamp (G) | ActiveGas | 8,440 | Jan 18, 2008 | 0 | 4,925 |
| Llano 1 Federal #002H30-015-36060 | Extex Operating Company | EddyRio Penasco; Wolfcamp (G) | ActiveGas | 8,742 | Jan 18, 2008 | 0 | 6,144 |
| State GC #00230-025-38617 | Extex Operating Company | LeaSan Simon; Wolfcamp | ActiveOil | 999 | Nov 29, 2007 | 0 | 31 |
| Salmon a 32 State Com #001H30-015-35910 | Extex Operating Company | EddyFour Mile Draw; Wolfcamp(g) | ActiveGas | 8,072 | Nov 9, 2007 | 0 | 14,019 |
| Salmon B 32 State #002H30-015-35912 | Extex Operating Company | EddyFour Mile Draw; Wolfcamp(g) | ActiveGas | 8,115 | Nov 9, 2007 | 0 | 19,007 |
| Yellowstone 23 State Com #002H30-015-35884 | Extex Operating Company | EddyFour Mile Draw; Wolfcamp, SW (G) | ActiveGas | 7,600 | Oct 26, 2007 | 0 | 1,398 |
| Salmon B 32 State #001H30-015-35862 | Extex Operating Company | EddyFour Mile Draw; Wolfcamp(g) | ActiveGas | 8,072 | Oct 15, 2007 | 0 | 10,607 |
| Klamath a 26 State Com #001H30-015-35825 | Extex Operating Company | EddyFour Mile Draw; Wolfcamp, SW (G) | ActiveGas | 8,277 | Sep 21, 2007 | 0 | 6,712 |
| Souris 29 State #001H30-015-35751 | Extex Operating Company | EddyFour Mile Draw; Wolfcamp(g) | ActiveGas | 8,089 | Aug 6, 2007 | 0 | 15,378 |
| Lauralea 26 State Com #00130-005-27959 | Extex Operating Company | ChavesTV; Penn (Gas) | ActiveGas | 11,200 | Jul 24, 2007 | 0 | 4,314 |
| Trinity B 28 State #001H30-015-35683 | Extex Operating Company | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,455 | Jun 26, 2007 | 0 | 1,552 |
| Trinity B 28 State #002H30-015-35684 | Extex Operating Company | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,570 | Jun 26, 2007 | 0 | 16,537 |
| Trinity a 28 State #001H30-015-35680 | Extex Operating Company | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,550 | Jun 20, 2007 | 0 | 7,324 |
| Yangtze C 3 Fee #001H30-015-35667 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,995 | Jun 18, 2007 | 0 | 1,832 |
| Trinity a 28 State #002H30-015-35659 | Extex Operating Company | EddyCollins Ranch; Wolfcamp (Gas) | ActiveGas | 8,500 | Jun 8, 2007 | 0 | 6,384 |
| PO B 1 Fee #01HY30-015-35650 | Extex Operating Company | EddyCottonwood Creek; WC, West (Gas) | ActiveGas | 8,234 | Jun 7, 2007 | 0 | 1 |
| Seine B 6 Fee #001H30-015-35611 | Extex Operating Company | EddyCottonwood Creek; WC, West (Gas) | ActiveGas | 8,622 | May 16, 2007 | 0 | 1,004 |
| Seine B 6 Fee #002H30-015-35612 | Extex Operating Company | EddyCottonwood Creek; WC, West (Gas) | ActiveGas | 7,703 | May 16, 2007 | 0 | 3,433 |
| Midnight Matador a #00230-015-35619 | Extex Operating Company | EddyRed Lake; Queen-Grayburg-SA | ActiveOil | 2,505 | May 14, 2007 | 600 | 10,816 |
| Midnight Matador a #00530-015-35620 | Extex Operating Company | EddyRed Lake; Queen-Grayburg-SA | ActiveOil | 2,510 | May 14, 2007 | 0 | 3 |
| Midnight Matador a #3 #00330-015-35697 | Extex Operating Company | EddyRed Lake; Queen-Grayburg-SA | ActiveOil | 2,500 | May 14, 2007 | 0 | 3 |
| Midnight Matador #00930-015-35713 | Extex Operating Company | EddyRed Lake; Queen-Grayburg-SA | ActiveOil | 2,530 | May 14, 2007 | 0 | 3 |
| Ganges B 2 Fee #001H30-015-35488 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,460 | Mar 23, 2007 | 0 | 563 |
| Tiber a 5 Fee #001H30-015-35467 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,732 | Mar 7, 2007 | 0 | 7,673 |
| Meramec C 4 Fee #001H30-015-35406 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,460 | Jan 29, 2007 | 0 | 5,121 |
| Meramec a 4 Fee #001H30-015-35380 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,240 | Jan 19, 2007 | 0 | 3,097 |
| Meramec B 4 Fee #002H30-015-35381 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,432 | Jan 19, 2007 | 0 | 474 |
| Meramec B 4 Fee #001H30-015-35382 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,430 | Jan 19, 2007 | 0 | 7,002 |
| Potomac a 9 Fee #001H30-015-35369 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,950 | Jan 18, 2007 | 0 | 6,619 |
| Yangtze B 3 Fee #001H30-015-35327 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,597 | Dec 28, 2006 | 0 | 194 |
| Yangtze C 3 Fee #002H30-015-35328 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,789 | Dec 28, 2006 | 0 | 676 |
| Zambesi B 12 Fee #001H30-015-35332 | Extex Operating Company | EddyCottonwood Creek; WC, East (Gas) | ActiveGas | 9,026 | Dec 28, 2006 | 0 | 103 |
| Midnight Matador #00730-015-35289 | Extex Operating Company | EddyRed Lake; Queen-Grayburg-SA | ActiveOil | 2,520 | Dec 20, 2006 | 0 | 3 |
| Potomac a 9 Fee #002H30-015-35281 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,545 | Dec 15, 2006 | 0 | 4,369 |
| Midnight Matador #00530-015-35264 | Extex Operating Company | EddyRed Lake; Queen-Grayburg-SA | ActiveOil | 2,515 | Dec 1, 2006 | 0 | 3 |
| Midnight Matador #00630-015-35240 | Extex Operating Company | EddyRed Lake; Queen-Grayburg-SA | ActiveOil | 2,515 | Nov 9, 2006 | 0 | 3 |
| Jelly Belly 12 State #00130-025-38515 | Extex Operating Company | LeaReeves; Penn | ActiveOil | 11,162 | Oct 11, 2006 | 5,968 | 58 |
| Meramec C 4 Fee #002H30-015-35161 | Extex Operating Company | EddyCottonwood Creek; Wolfcamp (Gas) | ActiveGas | 8,810 | Sep 26, 2006 | 0 | 7,382 |
| Hasburg B 35 Fee #001HHZ30-005-63860 | Extex Operating Company | ChavesCottonwood Creek; WC, West (Gas) | ActiveGas | 7,565 | Sep 22, 2006 | 0 | 3,798 |