| Moore-Gilmore #242-371-36910 | Nortis Energy Texas, L.L.C. | Pecos | Not on schedule | 7,500 | May 24, 1999 | 1 | — |
| Yates Field Unit #39B0742-371-06088 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Apr 21, 1999 | 1 | Aug 2026 |
| Yates Field Unit #40E1642-371-06125 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Apr 21, 1999 | 1 | Aug 2026 |
| Fulk Montgomery #942-371-31748 | Legacy Reserves Operating LP | PecosElsinore (Caballos) | PluggedGas | 8,000 | Apr 21, 1999 | 2 | Feb 2006 |
| Yates Field Unit #214B8042-371-34678 | Kinder Morgan Production Co LLC | PecosYates | ActiveOil | 1,485 | Apr 21, 1999 | 2 | Aug 2026 |
| Longfellow 110 #40142-371-36909 | — | Pecos | Plugged | 15,000 | Apr 21, 1999 | 2 | — |
| Yates Field Unit #49G9142-371-33812 | Kinder Morgan Production Co LLC | PecosYates | ActiveInjection | 1,416 | Apr 20, 1999 | 2 | Aug 2026 |
| Yates Field Unit #214O1842-371-02225 | Kinder Morgan Production Co LLC | PecosYates | ActiveInjection | 1,395 | Apr 12, 1999 | 1 | Aug 2026 |
| Yates Field Unit #36A2842-371-33581 | Kinder Morgan Production Co LLC | PecosYates | Shut inOil | 1,592 | Apr 12, 1999 | 2 | Aug 2026 |
| Woodward 53 #1__42-371-36905 | — | Pecos | Plugged | 5,000 | Apr 9, 1999 | 1 | — |
| Trees Estate 12 #242-371-36908 | Meco IV LLC | PecosWaha (Delaware) | PluggedOil | 6,400 | Apr 9, 1999 | 2 | Jul 2018 |
| Lyda 36 #142-371-31626 | Lynx Operating Co. Inc. | PecosElsinore (Wolfcamp) | PluggedGas | 13,290 | Apr 6, 1999 | 2 | Jan 2000 |
| Lyda 44 #142-371-31343 | Lynx Operating Co. Inc. | PecosGlass Mountain | PluggedGas | 13,700 | Apr 5, 1999 | 4 | Oct 1994 |
| G. L. State #242-371-35026 | Three-B Oil Company The | PecosWildcat | PluggedOil | 3,900 | Mar 31, 1999 | 2 | — |
| Syndicate #1__42-371-36907 | — | Pecos | Plugged | 950 | Mar 31, 1999 | 1 | — |
| Longfellow #40342-371-34603 | Longfellow Energy LP | PecosPinon (Overthrust) | ActiveGas | 11,538 | Mar 26, 1999 | 2 | Aug 2026 |
| West Ranch 5 #742-371-36904 | Longfellow Energy LP | PecosPinon (Overthrust) | Temporarily abandonedGas | 6,900 | Mar 26, 1999 | 1 | Feb 2024 |
| Ventana #142-371-36864 | Manzano Oil Corporation | PecosHokit NW. (Cisco) | PluggedOil | 8,300 | Mar 23, 1999 | 3 | — |
| W. C. Tyrrell Unit No. 2 #242-371-36902 | Chevron Midcontinent L.P. | PecosGomez (Devonian) | ActiveGas | 18,862 | Mar 17, 1999 | 1 | Aug 2026 |
| Johnson a #242-371-36900 | Imperial Gas Resources LLC | PecosT.C.I., West (Seven Rivers) | Not on schedule | 1,850 | Mar 15, 1999 | 1 | — |
| Johnson a #142-371-36901 | Imperial Gas Resources LLC | PecosT.C.I., West (Seven Rivers) | Not on schedule | 1,850 | Mar 15, 1999 | 1 | — |
| Crockett #242-371-36455 | — | PecosT.A.S. (Wichita-Albany) | Plugged | 5,500 | Mar 11, 1999 | 2 | — |
| Yates Field Unit #23E2642-371-32746 | Kinder Morgan Production Co LLC | PecosYates | ActiveInjection | 1,472 | Mar 10, 1999 | 2 | Aug 2026 |
| Yates Field Unit #275C4942-371-34997 | Kinder Morgan Production Co LLC | PecosYates | ActiveInjection | 1,954 | Mar 10, 1999 | 2 | Aug 2026 |
| Geo-Marathon 16 #160242-371-36899 | — | Pecos | Plugged | 7,000 | Mar 9, 1999 | 2 | — |
| Longfellow #120142-371-36897 | Longfellow Energy LP | PecosPinon (Overthrust) | ActiveGas | 8,415 | Mar 5, 1999 | 1 | Mar 2026 |
| Wolf Gamble #142-371-10657 | Wolf Energy Inc. | PecosLinterna (Wolfcamp 16450) | PluggedGas | 22,800 | Mar 4, 1999 | 2 | — |
| Arco #642-371-30741 | Darkens Oil & Gas Inc. | PecosEl Cinco (Wichita Albany) | ActiveInjection | 5,611 | Mar 2, 1999 | 1 | Aug 2010 |
| McDonald -46- #442-371-30743 | Olsen Energy Inc. | PecosWentz (Wichita-Albany) | Shut inOil | 4,405 | Mar 1, 1999 | 1 | Dec 2024 |
| Yates Field Unit #275Z1842-371-06415 | Kinder Morgan Production Co LLC | PecosYates | ActiveOil | 1,825 | Feb 24, 1999 | 1 | Aug 2026 |
| Yates Field Unit #36C2442-371-32806 | Kinder Morgan Production Co LLC | PecosYates | Shut inOil | 1,805 | Feb 24, 1999 | 2 | Aug 2026 |
| Geo-Marathon 17 #142-371-36896 | PA Prospect LLC | PecosSaddle Butte N. (Granite Wash) | PluggedGas | 5,500 | Feb 23, 1999 | 1 | Nov 2010 |
| Hall #142-371-34588 | Jatt Petroleum Inc. | PecosAbell W. (Clear Fork 3900 FT) | PluggedOil | 4,000 | Feb 22, 1999 | 2 | — |
| Yates Field Unit #23E0442-371-07193 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 19, 1999 | 1 | Aug 2026 |
| Yates Field Unit #39C0342-371-06076 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 16, 1999 | 1 | Aug 2026 |
| Yates Field Unit #81D0542-371-06092 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 16, 1999 | 1 | Aug 2026 |
| Yates Field Unit #40F1542-371-06124 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 16, 1999 | 1 | Aug 2026 |
| Yates Field Unit #80Z0142-371-06548 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 16, 1999 | 1 | Aug 2026 |
| Yates Field Unit #39D1142-371-07066 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 16, 1999 | 1 | Aug 2026 |
| Coyanosa Unit No. 2 #242-371-10319 | XTO Energy Inc. | PecosCoyanosa (Miss. 10475) | PluggedGas | 15,700 | Feb 16, 1999 | 1 | Jun 1999 |
| Yates Field Unit #39Z1042-371-06050 | Kinder Morgan Production Co LLC | PecosYates | Shut inOil | 1,450 | Feb 15, 1999 | 1 | Aug 2026 |
| Yates Field Unit #51E2142-371-06550 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 15, 1999 | 1 | Aug 2026 |
| Yates Field Unit #37H2542-371-07149 | Kinder Morgan Production Co LLC | PecosYates | ActiveInjection | 1,678 | Feb 15, 1999 | 1 | Aug 2026 |
| Yates Field Unit #24C0242-371-06035 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 12, 1999 | 1 | Aug 2026 |
| Yates Field Unit #40E1042-371-06111 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 12, 1999 | 1 | Aug 2026 |
| Yates Field Unit #23F0142-371-07189 | Kinder Morgan Production Co LLC | PecosYates | Shut inOil | 1,521 | Feb 12, 1999 | 1 | Aug 2026 |
| Yates Field Unit #45A0542-371-07524 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 12, 1999 | 1 | Aug 2026 |
| Yates Field Unit #46C0742-371-06137 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 10, 1999 | 1 | Aug 2026 |
| Yates Field Unit #37E0842-371-06866 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 10, 1999 | 1 | Aug 2026 |
| Yates Field Unit #40B4042-371-07099 | Kinder Morgan Production Co LLC | PecosYates | PluggedOil | 1,999 | Feb 10, 1999 | 1 | Aug 2026 |