| Edwards #742-475-34566 | Williams Oil Company only | WardCrawar (Devonian North) | ActiveOil | 6,561 | May 14, 1998 | 1 | Apr 2026 |
| Herrington Heirs #142-115-32426 | XOG Operating LLC only | DawsonTex-Sin NE (Devonian) | PluggedOil | 12,700 | May 12, 1998 | 3 | Sep 1999 |
| Dawson #142-103-34640 | — | CranePeak Victor (Devonian) | Plugged | 5,700 | May 8, 1998 | 1 | — |
| Parks Field Unit No. 2 #2416HHZ42-329-34088 | XTO Energy Inc. only | MidlandParks (Devonian) | PluggedGas | 16,500 | May 8, 1998 | 2 | Feb 2014 |
| University Block 9 #6EC42-003-38424 | XTO Energy Inc. only | AndrewsUniversity Block 9 (Devonian) | Shut inOil | 10,700 | May 7, 1998 | 1 | Apr 2026 |
| Sealy Smith Foundation #442-475-04088 | Occidental Permian Ltd. only | WardMonahans (Wolf.-Ellen. Cons) | Shut inOil | 10,406 | May 6, 1998 | 4 | Apr 2026 |
| Cowden E. W. Unit #242-495-30453 | Permex Petroleum Corporation only | WinklerEmperor (Devonian) | ActiveGas | 9,050 | May 6, 1998 | 1 | Nov 2025 |
| Block 31 Unit #h 6H42-103-33081 | OXY USA EOR LLC only | CraneBlock 31 (Queen) | ActiveGas | 9,110 | May 5, 1998 | 2 | Apr 2026 |
| University #542-103-33350 | Scout Energy Management LLC only | CraneBlock 31 (Queen) | ActiveGas | 9,721 | May 5, 1998 | 2 | Apr 2026 |
| Windham Elizabeth #342-461-03900 | Southwest Royalties Inc. only | UptonBarnet-Amacker (Fusselman) | ActiveOil | 12,200 | May 1, 1998 | 1 | Apr 2026 |
| Windham R. S. a #1074-U42-461-33930 | EOG Resources Inc. only | UptonAmacker-Tippett (Strawn) | PluggedGas | 12,700 | May 1, 1998 | 2 | Jan 2018 |
| Bryant G Devonian Unit #36HHZ42-329-33532 | Chevron U. S. A. Inc. only | MidlandBryant -G- (Devonian) | PluggedGas | 15,500 | Apr 30, 1998 | 3 | Apr 2007 |
| Perner Ranch #330242-105-38120 | R2Q Operating LLC only | CrockettDudley East (Devonian) | ActiveGas | 9,731 | Apr 10, 1998 | 1 | Apr 2026 |
| Collins H. S. Unit #3HHZ42-329-34077 | XTO Energy Inc. only | MidlandParks (Devonian) | Temporarily abandonedGas | 11,668 | Apr 2, 1998 | 2 | May 2020 |
| Mode #342-329-34073 | Arkland Producing Co., Inc. only | MidlandAzalea (Devonian) | Not on schedule | 12,000 | Mar 31, 1998 | 1 | — |
| Tippett June #67HZ42-329-34072 | Apache Corporation only | MidlandPegasus (Devonian) | ActiveGas | 15,984 | Mar 27, 1998 | 1 | — |
| Pegasus Field Unit #3 #210142-461-03327 | XTO Energy Inc. only | UptonPegasus (Devonian) | ActiveGas | 13,310 | Mar 19, 1998 | 3 | Apr 2026 |
| Pegasus Field Unit #3 #400242-461-03340 | XTO Energy Inc. only | UptonPegasus (Devonian) | ActiveGas | 13,118 | Mar 19, 1998 | 1 | Apr 2026 |
| Fasken Block CB a/C 2 #3HZ42-003-38395 | Fasken Oil and Ranch Ltd. only | AndrewsMagutex (Devonian) | ActiveOil | 14,985 | Mar 17, 1998 | 2 | Apr 2026 |
| Andrews J. A. #1HHZ42-329-34067 | XTO Energy Inc. only | MidlandParks (Devonian) | PluggedGas | 16,000 | Mar 17, 1998 | 2 | Jan 2021 |
| Iowa Realty Trust B #142-371-33973 | Incline Energy only | PecosPecos Valley S. (Devonian) | PluggedOil | 5,925 | Mar 16, 1998 | 4 | Oct 2016 |
| Ector 'T' Fee #35HHZ42-135-37639 | Texaco E & P Inc. only | EctorHarper (Devonian) | Not on schedule | 10,300 | Mar 11, 1998 | 1 | — |
| Dollarhide Unit #4708 DHZ42-003-34311 | Scout Energy Management LLC only | AndrewsDollarhide (Devonian) | ActiveOil | 8,058 | Mar 10, 1998 | 2 | Apr 2026 |
| Dollarhide Unit #706 DHZ42-003-36335 | Scout Energy Management LLC only | AndrewsDollarhide (Devonian) | ActiveOil | 7,800 | Mar 10, 1998 | 2 | Apr 2026 |
| University #442-103-33189 | Scout Energy Management LLC only | CraneBlock 31 (Queen) | ActiveGas | 9,654 | Mar 10, 1998 | 2 | Apr 2026 |
| University 10A #142-371-36822 | Shenandoah Petroleum Corporation only | PecosViejos (Devonian) | ActiveOil | 6,920 | Mar 6, 1998 | 1 | Apr 2026 |
| University 9C #842-003-38382 | Cross Timbers Operating Company only | AndrewsUniversity Block 9 (Devonian) | Not on schedule | 10,700 | Feb 27, 1998 | 1 | — |
| Dollarhide Unit #4606DHZ42-003-34574 | Scout Energy Management LLC only | AndrewsDollarhide (Devonian) | ActiveOil | 8,624 | Feb 26, 1998 | 2 | Apr 2026 |
| Shook #342-501-32867 | Sei Operating LLC only | YoakumBrahaney Northwest (Devonian) | PluggedOil | 12,600 | Feb 26, 1998 | 2 | Apr 2026 |
| Edwards Janelle Etal -B- #1142-103-34489 | Pitts Energy Co. only | CraneCrawar (Devonian North) | PluggedOil | 7,200 | Feb 24, 1998 | 2 | Apr 2026 |
| University 4A #342-371-36817 | Shenandoah Petroleum Corporation only | PecosViejos (Devonian) | ActiveGas | 6,350 | Feb 19, 1998 | 1 | Apr 2026 |
| University 4 #742-371-36818 | Shenandoah Petroleum Corporation only | PecosViejos (Devonian) | ActiveGas | 6,354 | Feb 19, 1998 | 1 | Apr 2026 |
| Dollarhide Unit #802DHZ42-003-36386 | Scout Energy Management LLC only | AndrewsDollarhide (Devonian) | ActiveOil | 7,824 | Feb 17, 1998 | 2 | Apr 2026 |
| Goldsmith C. A. Etal #652W42-135-01030 | Hilcorp Energy Company only | EctorGoldsmith (Clear Fork) | ActiveInjection | 9,850 | Feb 17, 1998 | 1 | Apr 2026 |
| Bourg #242-003-38371 | Parish John R. only | AndrewsFullerton ( Devonian ) | PluggedOil | 8,500 | Feb 13, 1998 | 1 | Jan 2008 |
| Jones-Spruill Unit #142-115-33014 | Thompson J. Cleo only | DawsonWells (Devonian) | PluggedOil | 12,500 | Feb 13, 1998 | 1 | May 2010 |
| Block 31 Unit #h 8H42-103-33536 | Hilcorp Energy Company only | CraneBlock 31 (Queen) | ActiveGas | 9,200 | Feb 11, 1998 | 2 | Apr 2026 |
| Andrews Back Devonian Unit #1HHZ42-329-34034 | XTO Energy Inc. only | MidlandParks (Devonian) | PluggedGas | 16,000 | Feb 11, 1998 | 1 | Oct 2019 |
| Wardlow W. D. #142-501-34172 | 3R Operating LLC only | YoakumSpivey (San Andres) | ActiveInjection | 12,520 | Feb 11, 1998 | 4 | Sep 1997 |
| Haley-Reed (Devonian) Unit #2HHZ42-329-34024 | XTO Energy Inc. only | MidlandParks (Devonian) | PluggedGas | 16,000 | Feb 5, 1998 | 2 | Aug 2020 |
| Texas Ten NCT-1 #8HHZ42-329-34012 | Texaco E & P Inc. only | MidlandBryant -G- (Devonian) | Not on schedule | 16,000 | Jan 28, 1998 | 2 | — |
| Texas Ten NCT-1 #10HHZ42-329-34013 | Texaco E & P Inc. only | MidlandBryant -G- (Devonian) | Not on schedule | 16,000 | Jan 28, 1998 | 2 | — |
| Texas Ten NCT-1 #11HHZ42-329-34014 | Texaco E & P Inc. only | MidlandBryant -G- (Devonian) | PluggedGas | 16,100 | Jan 28, 1998 | 1 | Dec 2020 |
| Midland 'AY' Fee #1HHZ42-329-34015 | Texaco E & P Inc. only | MidlandBryant -G- (Devonian) | Not on schedule | 15,900 | Jan 28, 1998 | 1 | — |
| Dollarhide Unit #1301DHZ42-003-36399 | Scout Energy Management LLC only | AndrewsDollarhide (Devonian) | ActiveOil | 8,815 | Jan 26, 1998 | 3 | Apr 2026 |
| Wilson Ranch 49 #142-371-36808 | Costilla Energy Inc. only | PecosOso Negro (Devonian) | PluggedOil | 7,300 | Jan 23, 1998 | 1 | Dec 1998 |
| University Consolidated Xii #2042-003-04218 | Crescent Energy Operating LLC only | AndrewsFuhrman-Mascho | Shut inOil | 11,051 | Jan 22, 1998 | 1 | Apr 2026 |
| Pegasus Field Unit #3 #11142-329-01044 | XTO Energy Inc. only | MidlandPegasus (Devonian) | Shut inOil | 13,135 | Jan 22, 1998 | 2 | Apr 2026 |
| A-Bear #1HZ42-461-32844 | EOG Resources Inc. only | UptonAmacker-Tippett (Devonian) | Temporarily abandonedGas | 12,534 | Jan 22, 1998 | 4 | May 2009 |
| University 4 #30142-371-36805 | Shenandoah Petroleum Corporation only | PecosViejos (Devonian) | PluggedOil | 6,500 | Jan 15, 1998 | 1 | Apr 2026 |