| Katz (Strawn) Unit #274A42-433-33807 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | PluggedOil | 6,500 | Apr 12, 2012 | — | — |
| Katz (Strawn) Unit #33342-433-33808 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,380 | Apr 12, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #237R42-135-41710 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Apr 3, 2012 | — | — |
| Peters Cole #142-239-33579 | Atlas Operating LLC | Jackson, TXEl Toro Max (AY-3) | Temporarily abandonedGas | 11,499 | Mar 22, 2012 | — | — |
| Katz (Strawn) Unit #111A42-269-32838 | Atlas Operating LLC | King, TXKatz (Strawn) | ActiveOil | 5,351 | Mar 21, 2012 | — | — |
| Katz (Strawn) Unit #10142-269-32839 | Atlas Operating LLC | King, TXKatz (Strawn) | ActiveOil | 5,309 | Mar 16, 2012 | — | — |
| Katz (Strawn) Unit #285A42-433-33799 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,350 | Mar 14, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #165A42-135-41601 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Mar 6, 2012 | — | — |
| Petro Pards #1HHZ42-507-32872 | Atlas Operating LLC | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 5,790 | Mar 2, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #211R42-135-41592 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Mar 1, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #236R42-135-41591 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Feb 27, 2012 | — | — |
| Katz (Strawn) Unit #31542-433-33788 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | PluggedOil | 6,500 | Feb 17, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #224R42-135-41543 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,550 | Feb 13, 2012 | — | — |
| Ray #1HHZ42-507-32866 | Atlas Operating LLC | Zavala, TXBriscoe Ranch (Eagleford) | ActiveOil | 6,051 | Feb 10, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #191A42-135-41522 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Feb 8, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #139A42-135-41523 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Feb 8, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #141A42-135-41524 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,600 | Feb 8, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #140A42-135-41536 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,564 | Feb 8, 2012 | — | — |
| Katz (Strawn) Unit #331A42-433-33780 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,425 | Feb 7, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #212A42-135-41504 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Jan 30, 2012 | — | — |
| Katz (Strawn) Unit #13542-207-32699 | Atlas Operating LLC | Haskell, TXKatz (Strawn) | Shut inOil | 5,446 | Jan 26, 2012 | — | — |
| Katz (Strawn) Unit #12342-275-32265 | Atlas Operating LLC | Knox, TXKatz (Strawn) | ActiveOil | 5,390 | Jan 26, 2012 | — | — |
| Katz (Strawn) Unit #30542-433-33778 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,330 | Jan 26, 2012 | — | — |
| Katz (Strawn) Unit #11242-269-32831 | Atlas Operating LLC | King, TXKatz (Strawn) | ActiveInjection | 5,360 | Jan 25, 2012 | — | — |
| Katz (Strawn) Unit #11342-275-32264 | Atlas Operating LLC | Knox, TXKatz (Strawn) | ActiveOil | 5,344 | Jan 21, 2012 | — | — |
| Katz (Strawn) Unit #323A42-433-33776 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,408 | Jan 12, 2012 | — | — |
| Goldsmith-Landreth/San Andres/UT #189A42-135-41469 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,620 | Dec 27, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #139RR42-135-41470 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Dec 27, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #164A42-135-41468 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,500 | Dec 22, 2011 | — | — |
| Helmcamp #642-289-31967 | Atlas Operating LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 10,500 | Dec 16, 2011 | — | — |
| Katz (Strawn) Unit #303A42-433-33771 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,330 | Dec 15, 2011 | — | — |
| Katz (Strawn) Unit #316A42-433-33770 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,400 | Dec 14, 2011 | — | — |
| Swaim 60 #142-311-33952 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | ActiveInjection | 6,166 | Dec 13, 2011 | — | — |
| Hurta #342-157-32798 | Atlas Operating LLC | Fort Bend, TXNeedville (5500) | ActiveOil | 6,010 | Nov 30, 2011 | — | — |
| Phillips #342-219-37219 | Atlas Operating LLC | Hockley, TXLinker (Clear Fork) | ActiveOil | 7,500 | Nov 9, 2011 | — | — |
| Katz (Strawn) Unit #314A42-433-33753 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,375 | Oct 4, 2011 | — | — |
| Katz (Strawn) Unit #31342-433-33746 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,380 | Sep 21, 2011 | — | — |
| Ericson Gas Unit #442-289-31964 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,305 | Sep 19, 2011 | — | — |
| Tommy Johnson #142-289-31966 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,300 | Sep 19, 2011 | — | — |
| Phillips #242-219-37205 | Atlas Operating LLC | Hockley, TXLinker (Clear Fork) | ActiveOil | 7,721 | Sep 9, 2011 | — | — |
| Swaim 58 #242-311-33934 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | ActiveOil | 5,950 | Sep 6, 2011 | — | — |
| Haynie #242-289-31960 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,300 | Aug 23, 2011 | — | — |
| Katz (Strawn) Unit #32442-433-33736 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,380 | Aug 19, 2011 | — | — |
| Katz (Strawn) Unit #283A42-433-33735 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,380 | Aug 18, 2011 | — | — |
| Katz (Strawn) Unit #30442-433-33738 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,300 | Aug 18, 2011 | — | — |
| Sharp A. L. #342-289-31958 | Atlas Operating LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 10,600 | Aug 5, 2011 | — | — |
| Katz (Strawn) Unit #33242-433-33733 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,380 | Aug 1, 2011 | — | — |
| Katz (Strawn) Unit #102242-275-32255 | Atlas Operating LLC | Knox, TXKatz (Strawn) | ActiveInjection | 5,360 | Jul 27, 2011 | — | — |
| Helmcamp #542-289-31956 | Atlas Operating LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 10,513 | Jul 27, 2011 | — | — |
| Helmcamp #442-289-31954 | Atlas Operating LLC | Leon, TXJewett (Travis Peak) | ActiveGas | 10,500 | Jul 22, 2011 | — | — |