| Katz (Strawn) Unit #291A42-433-33730 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,364 | Jul 14, 2011 | — | — |
| Katz (Strawn) Unit #42142-433-33721 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,425 | Jul 13, 2011 | — | — |
| Katz (Strawn) Unit #32042-433-33723 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | PluggedOil | 6,000 | Jul 13, 2011 | — | — |
| Katz (Strawn) Unit #311A42-433-33720 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,350 | Jun 30, 2011 | — | — |
| Katz (Strawn) Unit #284A42-433-33722 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,345 | Jun 30, 2011 | — | — |
| Katz (Strawn) Unit #33442-433-33719 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,355 | Jun 27, 2011 | — | — |
| Katz (Strawn) Unit #15742-207-32667 | Atlas Operating LLC | Haskell, TXKatz (Strawn) | Shut inOil | 5,380 | Jun 21, 2011 | — | — |
| Katz (Strawn) Unit #41142-433-33716 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,381 | Jun 20, 2011 | — | — |
| Klaras Gas Unit #142-289-31947 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,500 | Jun 16, 2011 | — | — |
| Swaim 58 #142-311-33863 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | ActiveOil | 6,200 | Jun 8, 2011 | — | — |
| Miles-Clute Gas Unit #142-289-31943 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,150 | Jun 3, 2011 | — | — |
| Katz (Strawn) Unit #108A42-269-32820 | Atlas Operating LLC | King, TXKatz (Strawn) | ActiveInjection | 5,518 | Jun 2, 2011 | — | — |
| Double K #342-311-33811 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | ActiveOil | 6,050 | May 26, 2011 | — | — |
| Katz (Strawn) Unit #30142-433-33704 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,365 | May 25, 2011 | — | — |
| Double K North #442-311-33973 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | Shut inOil | 6,300 | May 20, 2011 | — | — |
| Katz (Strawn) Unit #31242-433-33697 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,380 | May 19, 2011 | — | — |
| Katz (Strawn) Unit #16542-207-32663 | Atlas Operating LLC | Haskell, TXKatz (Strawn) | ActiveOil | 5,415 | May 18, 2011 | — | — |
| Katz (Strawn) Unit #302A42-433-33695 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,390 | May 18, 2011 | — | — |
| Hill-Sneed GU #142-161-31400 | Atlas Operating LLC | Freestone, TXMarsters N.E. | ActiveGas | 11,406 | May 17, 2011 | — | — |
| Tocquigny Efs #101HHZ42-127-34075 | Atlas Operating LLC | Dimmit, TXBriscoe Ranch (Eagleford) | Shut inOil | 5,860 | May 16, 2011 | — | — |
| Double K #242-311-33828 | Atlas Operating LLC | McMullen, TXSan Miguel Creek (Wilcox Cons.) | ActiveOil | 5,700 | May 10, 2011 | — | — |
| Barnes Charles #1HHZ42-289-31940 | Atlas Operating LLC | Leon, TXHalliday (Woodbine) | ActiveOil | 6,918 | May 9, 2011 | — | — |
| Katz (Strawn) Unit #3521A42-433-33689 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,426 | May 9, 2011 | — | — |
| Katz (Strawn) Unit #163A42-433-33684 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,348 | Apr 22, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #278W42-135-06205 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Apr 21, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #9942-135-06404 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Apr 21, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #282W42-135-06563 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Apr 21, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #291W42-135-11013 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Apr 21, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #28942-135-20892 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Apr 21, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #297W42-135-21549 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Apr 21, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #14442-135-03442 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Apr 20, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #173W42-135-06316 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Apr 20, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #280W42-135-06552 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,499 | Apr 20, 2011 | — | — |
| McWilliams Oil Unit #442-321-32178 | Atlas Operating LLC | Matagorda, TXHamman | ActiveGas | 10,250 | Apr 18, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #118W42-135-06181 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 4,253 | Apr 15, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #276WI42-135-06310 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,406 | Apr 15, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #85W42-135-06584 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Apr 15, 2011 | — | — |
| Katz (Strawn) Unit #19142-433-33665 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,423 | Apr 12, 2011 | — | — |
| Katz (Strawn) Unit #18142-433-33664 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,394 | Apr 11, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #324R42-135-40895 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Apr 8, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #96R42-135-40896 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,520 | Apr 8, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #162R42-135-40897 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,522 | Apr 8, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #113R42-135-40898 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 4,520 | Apr 8, 2011 | — | — |
| Katz (Strawn) Unit #18342-207-32658 | Atlas Operating LLC | Haskell, TXKatz (Strawn) | ActiveOil | 5,435 | Apr 8, 2011 | — | — |
| Katz (Strawn) Unit #14542-207-32655 | Atlas Operating LLC | Haskell, TXKatz (Strawn) | ActiveOil | 5,373 | Apr 5, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #199W42-135-06305 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 4,483 | Mar 31, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #275WI42-135-06311 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,485 | Mar 31, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #277WI42-135-08899 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,406 | Mar 31, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #187RE42-135-08900 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,550 | Mar 31, 2011 | — | — |
| Goldsmith-Landreth/San Andres/UT #228RE42-135-82532 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Mar 31, 2011 | — | — |