| Bedsole Gas Unit #442-289-31905 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,544 | Nov 1, 2010 | — | — |
| Walker Gas Unit 1 #542-289-31903 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,400 | Oct 28, 2010 | — | — |
| Katz (Strawn) Unit #12242-269-32804 | Atlas Operating LLC | King, TXKatz (Strawn) | ActiveInjection | 5,312 | Oct 19, 2010 | — | — |
| Katz (Strawn) Unit #282A42-433-33617 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,298 | Oct 6, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #315R42-135-40561 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 4,520 | Oct 1, 2010 | — | — |
| Katz (Strawn) Unit #321A42-433-33616 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,300 | Sep 30, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #116W42-135-06405 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 4,408 | Sep 29, 2010 | — | — |
| Katz (Strawn) Unit #24242-433-33615 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,297 | Sep 27, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #250A42-135-06192 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,371 | Sep 24, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #251A42-135-06204 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,412 | Sep 24, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #235R42-135-40553 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,510 | Sep 21, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #129R42-135-40554 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,502 | Sep 21, 2010 | — | — |
| Katz (Strawn) Unit #34242-433-33611 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,565 | Sep 2, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #31442-135-31757 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Aug 31, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #31342-135-31762 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Aug 31, 2010 | — | — |
| Dlugosch #1HHZ42-123-32354 | Atlas Operating LLC | De Witt, TXWarmsley S. (10550) | Temporarily abandonedGas | 10,025 | Aug 26, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #123R42-135-40502 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Aug 24, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #234R42-135-40503 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Aug 24, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #252R42-135-40504 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,500 | Aug 24, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #14342-135-03439 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 4,421 | Aug 19, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #19342-135-06302 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,400 | Aug 19, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #215RE42-135-06303 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,394 | Aug 19, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #16742-135-06313 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Aug 19, 2010 | — | — |
| Katz (Strawn) Unit #281A42-433-33607 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,324 | Aug 18, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #312W42-135-30211 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Aug 11, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #310W42-135-30197 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Aug 10, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #249W42-135-06193 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Aug 6, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #200W42-135-06308 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,481 | Aug 6, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #174W42-135-06314 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Aug 6, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #311W42-135-10601 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 9,584 | Aug 4, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #105W42-135-06399 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 4,414 | Aug 3, 2010 | — | — |
| Katz (Strawn) Unit #143A42-433-33600 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,305 | Aug 2, 2010 | — | — |
| Katz (Strawn) Unit #263A42-433-33599 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,315 | Jul 30, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #150WI42-135-03441 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,429 | Jul 23, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #222WI42-135-06306 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Jul 23, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #248W42-135-08766 | Atlas Operating LLC | Ector, TXGoldsmith | PluggedOil | 4,500 | Jul 23, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #114R42-135-40447 | Atlas Operating LLC | Ector, TXGoldsmith | Shut inOil | 4,512 | Jul 22, 2010 | — | — |
| Katz (Strawn) Unit #151A42-433-33595 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveOil | 5,317 | Jul 21, 2010 | — | — |
| Katz (Strawn) Unit #21242-269-32795 | Atlas Operating LLC | King, TXKatz (Strawn) | PluggedOil | 5,500 | Jul 13, 2010 | — | — |
| Katz (Strawn) Unit #19242-433-33593 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,320 | Jul 13, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #227R42-135-40442 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveInjection | 4,500 | Jul 12, 2010 | — | — |
| Goldsmith-Landreth/San Andres/UT #115R42-135-40438 | Atlas Operating LLC | Ector, TXGoldsmith | ActiveOil | 4,515 | Jul 9, 2010 | — | — |
| Jensen Gas Unit #342-289-31875 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,500 | Jul 1, 2010 | — | — |
| Arco Fee Unit a-241 #1REHZ42-241-30571 | Atlas Operating LLC | Jasper, TXBrookeland (Austin Chalk 8800) | ActiveOil | 11,153 | Jun 30, 2010 | — | — |
| Katz (Strawn) Unit #16442-433-33586 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,305 | Jun 29, 2010 | — | — |
| Katz (Strawn) Unit #18242-433-33585 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | Shut inOil | 5,314 | Jun 24, 2010 | — | — |
| Betts Gas Unit #142-289-31872 | Atlas Operating LLC | Leon, TXBear Grass (Travis Peak) | ActiveGas | 10,550 | Jun 10, 2010 | — | — |
| Katz (Strawn) Unit #18042-433-33580 | Atlas Operating LLC | Stonewall, TXKatz (Strawn) | ActiveInjection | 5,327 | Jun 4, 2010 | — | — |
| Reinecke Unit #24R42-033-32102 | Atlas Operating LLC | Borden, TXReinecke | Shut inOil | 6,996 | May 27, 2010 | — | — |
| Reinecke Unit #224R42-033-31384 | Atlas Operating LLC | Borden, TXReinecke | Shut inOil | 7,266 | May 26, 2010 | — | — |