| R. May B #8HHZ42-013-34689 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 10,917 | Mar 7, 2013 | — | — |
| Canvasback Unit #1HHZ42-013-34690 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,221 | Mar 7, 2013 | — | — |
| Wye Ranch 04 #01HHZ42-013-34691 | Crescent Energy Operating LLC only | Atascosa, TXEagleville (Eagle Ford-1) | Shut inOil | 9,751 | Mar 7, 2013 | — | — |
| Wye Ranch 03 #01HHZ42-013-34692 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,780 | Mar 7, 2013 | — | — |
| Hindes-Post Oak Unit #101HHZ42-013-34682 | Cabot Oil & Gas Corporationpermitted by · no operator of record | Atascosa, TXIndio Tanks (Pearsall) | Not on schedule | 15,600 | Mar 5, 2013 | — | — |
| NWR #2HHZ42-013-34680 | Trinity Operating (Usg) LLC only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 8,490 | Mar 4, 2013 | — | — |
| Wilhelm Smith Unit B #1HHZ42-013-34674 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-2) | ActiveOil | 10,487 | Feb 27, 2013 | — | — |
| Wilhelm Smith Unit B #2HHZ42-013-34679 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-2) | Shut inOil | 10,494 | Feb 27, 2013 | — | — |
| Kylie Unit #1HHZ42-013-34678 | Murphy Expl. & Prod. Co. - USA only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,991 | Feb 26, 2013 | — | — |
| Middle McCowen #37HHZ42-013-34675 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-1) | Shut inOil | 10,737 | Feb 25, 2013 | — | — |
| Middle McCowen #38HHZ42-013-34676 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 10,733 | Feb 25, 2013 | — | — |
| Middle McCowen #39HHZ42-013-34677 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 10,750 | Feb 25, 2013 | — | — |
| S & H Trust #1HHZ42-013-34671 | Murphy Expl. & Prod. Co. - USA only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,974 | Feb 21, 2013 | — | — |
| S & H Trust Unit #1HHZ42-013-34672 | Murphy Expl. & Prod. Co. - USA only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,964 | Feb 21, 2013 | — | — |
| L Kellner Unit #1HHZ42-013-34673 | Murphy Expl. & Prod. Co. - USA only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,979 | Feb 21, 2013 | — | — |
| Emma Tartt #17HHZ42-013-34291 | XTO Energy Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 10,499 | Feb 20, 2013 | — | — |
| Redhead Unit #1HHZ42-013-34670 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,545 | Feb 15, 2013 | — | — |
| Peeler Ranch #8HHZ42-013-34669 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 10,029 | Feb 14, 2013 | — | — |
| Dobie Martin Unit #1HHZ42-013-34667 | Texas American Resources Company only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 8,881 | Feb 13, 2013 | — | — |
| Dobie Martin Unit #2HHZ42-013-34668 | Texas American Resources Company only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 8,868 | Feb 13, 2013 | — | — |
| Ermis #1HHZ42-013-34666 | Trailblazer Energy Resources LLC only | Atascosa, TXJourdanton (Buda) | ActiveOil | 7,548 | Feb 7, 2013 | — | — |
| May Girls-Chapman Unit #4HHZ42-013-34665 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-2) | ActiveOil | 11,219 | Feb 4, 2013 | — | — |
| Neu Was #1HHZ42-013-34664 | Comstock Oil & Gas, LPpermitted by · no operator of record | Atascosa, TXEagleville (Eagle Ford-1) | Not on schedule | 10,000 | Feb 1, 2013 | — | — |
| Widgeon Unit #1HHZ42-013-34663 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,614 | Jan 31, 2013 | — | — |
| Pennington Unit #2HHZ42-013-34662 | Murphy Expl. & Prod. Co. - USA only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,682 | Jan 30, 2013 | — | — |
| Cuellar #1HHZ42-013-34660 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 8,788 | Jan 29, 2013 | — | — |
| San Miguel B Unit #1HHZ42-013-34661 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 10,019 | Jan 29, 2013 | — | — |
| Hyena #1HHZ42-013-34659 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 8,962 | Jan 28, 2013 | — | — |
| Gorgon Unit #2HHZ42-013-34658 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,624 | Jan 24, 2013 | — | — |
| Williams Unit #2HHZ42-013-34657 | Murphy Expl. & Prod. Co. - USA only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,694 | Jan 23, 2013 | — | — |
| Simmons Subdivision Unit #1HHZ42-013-34656 | Javelin Energy Partners Mgmt LLC only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 7,741 | Jan 18, 2013 | — | — |
| Gonzales #1HHZ42-013-34654 | Trailblazer Energy Resources LLC only | Atascosa, TXJourdanton (Buda) | Shut inOil | 7,314 | Jan 11, 2013 | — | — |
| Middle McCowen #46HHZ42-013-34655 | Marathon Oil EF LLCpermitted by · no operator of record | Atascosa, TXEagleville (Eagle Ford-1) | Not on schedule | 16,300 | Jan 11, 2013 | — | — |
| Peeler Smec a Unit #1HHZ42-013-34653 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,900 | Jan 7, 2013 | — | — |
| Bowman East #1HHZ42-013-34652 | Javelin Energy Partners Mgmt LLC only | Atascosa, TXEagleville (Eagle Ford-1) | PluggedOil | 10,000 | Dec 27, 2012 | — | — |
| Stone Unit #1HHZ42-013-34651 | Repsol Oil & Gas USA LLC only | Atascosa, TXEagleville (Eagle Ford-1) | Shut inOil | 8,895 | Dec 19, 2012 | — | — |
| Middle McCowen #36HHZ42-013-34647 | Marathon Oil EF LLCpermitted by · no operator of record | Atascosa, TXEagleville (Eagle Ford-1) | Not on schedule | 16,300 | Dec 18, 2012 | — | — |
| Pronghorn Unit #1HHZ42-013-34648 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,505 | Dec 18, 2012 | — | — |
| Chukar Unit #1HHZ42-013-34649 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,469 | Dec 18, 2012 | — | — |
| Troell Charles T. -a- #942-013-34644 | Mazco Energy LLC only | Atascosa, TXPleasanton S. (Carrizo Sand) | ActiveOil | 1,876 | Dec 17, 2012 | — | — |
| Kudu Unit #1HHZ42-013-34646 | EOG Resources Inc. only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,108 | Dec 17, 2012 | — | — |
| Shearrer Unit #1HHZ42-013-34650 | Atlas Operating LLC only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 7,919 | Dec 17, 2012 | — | — |
| Peeler SW #1HHZ42-013-34645 | Trailblazer Energy Resources LLC only | Atascosa, TXIndio Tanks (Pearsall) | ActiveOil | 11,732 | Dec 12, 2012 | — | — |
| May Girls-Chapman Unit #2HHZ42-013-34642 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-2) | Shut inOil | 11,257 | Dec 6, 2012 | — | — |
| May Girls-Chapman Unit #3HHZ42-013-34643 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-2) | Shut inOil | 11,269 | Dec 6, 2012 | — | — |
| Kodiak Unit #1HHZ42-013-34635 | Trailblazer Energy Resources LLC only | Atascosa, TXEagleville (Eagle Ford-1) | PluggedOil | 9,000 | Nov 29, 2012 | — | — |
| S Herbst Unit a #1HHZ42-013-34640 | Murphy Expl. & Prod. Co. - USA only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,856 | Nov 29, 2012 | — | — |
| S Herbst Unit B #1HHZ42-013-34641 | Murphy Expl. & Prod. Co. - USA only | Atascosa, TXEagleville (Eagle Ford-1) | ActiveOil | 9,867 | Nov 29, 2012 | — | — |
| Alonzo Peeler a Unit #242-013-34639 | EOG Resources Inc. only | Atascosa, TXWildcat | ActiveObservation | 12,365 | Nov 28, 2012 | — | — |
| May Girls-Chapman Unit #1HHZ42-013-34637 | Marathon Oil EF LLC only | Atascosa, TXEagleville (Eagle Ford-2) | Shut inOil | 11,276 | Nov 27, 2012 | — | — |