| Melcher #142-057-31671 | C & E Operating Inc. | Calhoun, TXColoma Creek North (9100 Sand) | PluggedGas | 11,000 | Mar 3, 2004 | — | — |
| Smith #142-057-31669 | C & E Operating Inc. | Calhoun, TXWildcat | PluggedGas | 9,000 | Mar 2, 2004 | — | — |
| Hahn #442-057-31670 | C & E Operating Inc. | Calhoun, TXLong Mott (Marg) | PluggedGas | 8,000 | Mar 1, 2004 | — | — |
| Henke-Hahn #142-057-31666 | C & E Operating Inc. | Calhoun, TXLong Mott South (Frio Lower) | PluggedGas | 8,900 | Feb 10, 2004 | — | — |
| McDonald-Hahn #242-057-31655 | C & E Operating Inc. | Calhoun, TXWildcat | PluggedOil | 11,000 | Nov 24, 2003 | — | — |
| Hahn a #142-057-31654 | C & E Operating Inc. | Calhoun, TXLong Mott (8300) | PluggedGas | 8,900 | Sep 29, 2003 | — | — |
| Welder-Terrell #542-391-32528 | C & E Operating Inc. | Refugio, TXDevils Run (Chamberlain 3A) | PluggedGas | 6,000 | Aug 26, 2003 | — | — |
| Welder-Terrell #342-391-32510 | C & E Operating Inc. | Refugio, TXDevil S Run (5250) | PluggedGas | 6,500 | Jul 11, 2003 | — | — |
| Welder-Terrell #442-391-32521 | C & E Operating Inc. | Refugio, TXDevil S Run (5250) | PluggedGas | 6,000 | Jun 25, 2003 | — | — |
| Rooke F. B. 7 #442-391-32315 | C & E Operating Inc. | Refugio, TXRoche NE (Frio 6700) | PluggedGas | 7,300 | May 30, 2003 | — | — |
| Rooke F. B. 4 #242-391-32324 | C & E Operating Inc. | Refugio, TXWoodsboro West (6900) | PluggedGas | 7,500 | May 30, 2003 | — | — |
| Harlan-Nelson #142-297-01171 | C & E Operating Inc. | Live Oak, TXMaxine East (Massive) | PluggedGas | 9,000 | Jan 21, 2003 | — | — |
| Hahn #1 R42-057-31626 | C & E Operating Inc. | Calhoun, TXLong Mott (Frio) | PluggedOil | 9,500 | Dec 30, 2002 | — | — |
| McDonald-Hahn #1-C42-057-31636 | C & E Operating Inc. | Calhoun, TXLong Mott (7800) | PluggedGas | 9,000 | Nov 4, 2002 | — | — |
| Welder-Terrell #242-391-32486 | C & E Operating Inc. | Refugio, TXDevil S Run (5250) | PluggedGas | 6,700 | Oct 8, 2002 | — | — |
| Henke #142-057-31630 | C & E Operating Inc. | Calhoun, TXGeorge Duncan (Melbourne K-1) | PluggedGas | 9,000 | Jul 25, 2002 | — | — |
| Welder-Terrell #142-391-32479 | C & E Operating Inc. | Refugio, TXDevil S Run (6600) | PluggedOil | 7,000 | Jul 25, 2002 | — | — |
| Hahn #242-057-31628 | C & E Operating Inc. | Calhoun, TXLong Mott North (8200) | PluggedOil | 9,000 | Jun 19, 2002 | — | — |
| Williams #142-057-31625 | C & E Operating Inc. | Calhoun, TXGeorge Duncan (Melbourne J-1 A) | PluggedGas | 9,500 | Apr 9, 2002 | — | — |
| Lyne T. J. #142-297-34460 | C & E Operating Inc. | Live Oak, TXTom Lyne (Queen City) | PluggedGas | 7,500 | Mar 8, 2002 | — | — |
| Thomson-Barrow Corp. C #24R42-391-32449 | C & E Operating Inc. | Refugio, TXLaura Thomson S.E. (Chamberlain) | PluggedGas | 6,300 | Oct 24, 2001 | — | — |
| Snapka Gas Unit #142-025-33147 | C & E Operating Inc. | Bee, TXPapalote (4800) | PluggedGas | 6,000 | Aug 29, 2001 | — | — |
| Thomson-Barrow Corp. C #25-C42-391-32439 | C & E Operating Inc. | Refugio, TXLaura Thompson SE (CHAMBERLAIN4) | PluggedGas | 6,500 | Aug 8, 2001 | — | — |
| Baker-Smith #142-025-33126 | C & E Operating Inc. | Bee, TXPapalote (4500) | PluggedGas | 5,700 | Jun 1, 2001 | — | — |
| Baker-Smith #242-025-33127 | C & E Operating Inc. | Bee, TXBlack Bull (Frio 4230) | PluggedGas | 5,700 | Jun 1, 2001 | — | — |
| Wood #442-391-32424 | C & E Operating Inc. | Refugio, TXDevils Run (6200) | PluggedGas | 6,500 | May 17, 2001 | — | — |
| Welder Heirs #642-391-32365 | C & E Operating Inc. | Refugio, TXDevils Run (5050) | PluggedOil | 6,350 | May 4, 2001 | — | — |
| Roche #842-025-33110 | C & E Operating Inc. | Bee, TXBlack Bull (Frio 4230) | PluggedGas | 5,000 | Apr 11, 2001 | — | — |
| Thomson-Barrow Corp. C #2342-025-33107 | C & E Operating Inc. | Bee, TXBurkes Ridge (1600) | PluggedGas | 2,500 | Apr 2, 2001 | — | — |
| Griffith & Associates #242-025-33108 | C & E Operating Inc. | Bee, TXPapalote (4500) | PluggedOil | 5,700 | Apr 2, 2001 | — | — |
| Anderson #242-025-33105 | C & E Operating Inc. | Bee, TXPapalote West (3950) | PluggedGas | 5,600 | Mar 26, 2001 | — | — |
| Swyka #5R42-391-32414 | C & E Operating Inc. | Refugio, TXLaura Thomson (5600) | PluggedGas | 6,100 | Mar 7, 2001 | — | — |
| Roche #742-025-33096 | C & E Operating Inc. | Bee, TXHeard Ranch (3890) | PluggedGas | 5,600 | Feb 16, 2001 | — | — |
| Rooke F. B. 7 #342-391-32292 | C & E Operating Inc. | Refugio, TXDevils Run (5050) | PluggedOil | 6,000 | Feb 7, 2001 | — | — |
| Roche #542-025-33076 | C & E Operating Inc. | Bee, TXBlack Bull (Frio 4230) | PluggedGas | 5,500 | Jan 10, 2001 | — | — |
| Roche #642-025-33077 | C & E Operating Inc. | Bee, TXPapalote (4500) | PluggedGas | 5,500 | Jan 10, 2001 | — | — |
| Welder Heirs Unit #942-391-32396 | C & E Operating Inc. | Refugio, TXDevils Run (6200) | PluggedGas | 6,500 | Dec 6, 2000 | — | — |
| Forgason #242-481-34282 | C & E Operating Inc. | Wharton, TXHungerford North (4750) | PluggedGas | 5,500 | Oct 24, 2000 | — | — |
| Roche #242-025-33056 | C & E Operating Inc. | Bee, TXRoche Ranch (Frio 3756) | PluggedGas | 5,500 | Sep 28, 2000 | — | — |
| Roche #442-025-33054 | C & E Operating Inc. | Bee, TXBlack Bull (Frio 4230) | PluggedGas | 5,600 | Sep 26, 2000 | — | — |
| Roche #342-025-33055 | C & E Operating Inc. | Bee, TXBlack Bull (Frio 4230) | PluggedGas | 5,600 | Sep 26, 2000 | — | — |
| Wood #342-391-32385 | C & E Operating Inc. | Refugio, TXDevils Run (6200) | PluggedGas | 6,400 | Sep 26, 2000 | — | — |
| Rooke F. B. 4 #1042-391-32382 | C & E Operating Inc. | Refugio, TXRoche NE (Frio 6700) | PluggedGas | 7,500 | Sep 20, 2000 | — | — |
| Roche #142-025-33052 | C & E Operating Inc. | Bee, TXBlack Bull (Frio 4230) | PluggedGas | 5,700 | Sep 18, 2000 | — | — |
| Rooke F. B. 9 #142-391-32378 | C & E Operating Inc. | Refugio, TXDevils Run (6200) | PluggedGas | 6,500 | Sep 14, 2000 | — | — |
| Rooke F. B. 4 #942-391-32379 | C & E Operating Inc. | Refugio, TXWoodsboro West (6916) | PluggedOil | 7,500 | Sep 14, 2000 | — | — |
| Thomson-Barrow Corp. C #2242-025-33045 | C & E Operating Inc. | Bee, TXLaura Thomson S. (5200) | PluggedGas | 6,000 | Aug 22, 2000 | — | — |
| Rooke F. B. 7 #542-391-32367 | C & E Operating Inc. | Refugio, TXWoodsboro West (5200) | PluggedGas | 7,500 | Jun 20, 2000 | — | — |
| Welder Heirs #742-391-32366 | C & E Operating Inc. | Refugio, TXDevils Run (6200) | PluggedGas | 6,350 | Jun 16, 2000 | — | — |
| Rooke F. B. 4 #742-391-32359 | C & E Operating Inc. | Refugio, TXWoodsboro West (6900) | PluggedOil | 7,500 | Jun 7, 2000 | — | — |