| Kohler-Clark #142-431-31975 | Trio Operating Company Inc. | SterlingLonesome Dove (Miss) | PluggedOil | 8,350 | Apr 5, 2005 | 3 | Mar 1996 |
| Brennand Disposal #142-335-33340 | Trio Operating Company Inc. | MitchellWestbrook (Ellenburger) | PluggedOil | 8,300 | Jun 13, 2001 | 2 | Sep 1994 |
| Hurst #1HZ42-197-31437 | Trio Operating Company Inc. | HardemanRio (Chappel) | PluggedOil | 8,800 | Jan 24, 2000 | 3 | Jan 2000 |
| Kelly Mary Sue #242-487-32385 | Trio Operating Company Inc. | WilbargerNational (Canyon Lime) | PluggedOil | 3,000 | Jan 28, 1998 | 2 | Aug 1999 |
| Barnes-Judd Unit #142-197-31406 | Trio Operating Company Inc. | HardemanJudd-Barnes (Congl.) | PluggedOil | 8,800 | May 13, 1997 | 2 | Dec 1998 |
| Turkett #2HZ42-487-32304 | Trio Operating Company Inc. | WilbargerPiarist SW (Miss) | PluggedOil | 8,400 | Oct 9, 1996 | 3 | Mar 1997 |
| Q.I.S.D. Unit #142-197-31323 | Trio Operating Company Inc. | HardemanQ.I.S.D. (Chappel) | PluggedOil | 8,700 | Mar 2, 1995 | 2 | Feb 2001 |
| Old Buckaroo #142-197-31284 | Trio Operating Company Inc. | HardemanBuckaroo (Miss.) | PluggedOil | 8,900 | Apr 26, 1994 | 1 | Feb 1995 |
| Obenhaus Unit #142-197-31263 | Trio Operating Company Inc. | HardemanBerry (Miss.) | PluggedOil | 8,500 | Feb 8, 1994 | 3 | Apr 1994 |
| Kohler-Foster #770142-431-32599 | Trio Operating Company Inc. | SterlingRenderbrook Creek (Miss) | PluggedOil | 8,500 | Dec 21, 1992 | 1 | Dec 1994 |
| Kohler-Foster #140142-431-32532 | Trio Operating Company Inc. | SterlingAce of Spades (Ellenburger) | PluggedOil | 8,300 | Sep 8, 1992 | 1 | Feb 1995 |
| Lambert Unit #342-197-31215 | Trio Operating Company Inc. | HardemanChillicothe S. (Miss. Lime) | PluggedOil | 8,500 | Jun 22, 1992 | 1 | Dec 1993 |
| Carpenter Unit #142-197-31182 | Trio Operating Company Inc. | HardemanSpringbok (Chappel) | PluggedOil | 8,500 | Aug 7, 1991 | 1 | Aug 1997 |
| Kohler-Ellwood #1001A42-431-32175 | Trio Operating Company Inc. | SterlingLonesome Dove (Miss) | PluggedOil | 8,300 | Dec 7, 1990 | 1 | — |
| Kohler-Terry a #8602W42-431-31469 | Trio Operating Company Inc. | SterlingLonesome Dove (Miss) | PluggedOil | 8,300 | Dec 3, 1990 | 3 | — |
| Kohler-Terry #1091C42-431-32135 | Trio Operating Company Inc. | SterlingLonesome Dove (Miss) | PluggedOil | 8,300 | Jul 20, 1990 | 2 | Nov 1994 |
| Palura-Schmoker #142-197-31108 | Trio Operating Company Inc. | HardemanAlnbob (Chappel) | PluggedOil | 9,300 | Oct 17, 1989 | 1 | — |
| Trio-Boone #142-487-32133 | Trio Operating Company Inc. | WilbargerCaitlin SW. (Miss.) | PluggedOil | 8,400 | Oct 11, 1989 | 1 | Sep 1994 |
| Kohler-Clark #242-431-31787 | Trio Operating Company Inc. | SterlingLonesome Dove (Miss) | PluggedOil | 8,500 | Apr 17, 1989 | 3 | Mar 1996 |
| Hbjv-Bounds #142-197-30729 | Trio Operating Company Inc. | HardemanPiarist SW (Miss) | PluggedOil | 8,500 | Apr 11, 1989 | 2 | Sep 1993 |
| Palaura-Cagle Petty Unit #142-197-31077 | Trio Operating Company Inc. | HardemanBerry West (Miss) | PluggedOil | 8,600 | Oct 3, 1988 | 2 | Apr 1998 |
| Wells #1 A42-197-31058 | Trio Operating Company Inc. | HardemanGroesbeck Creek (Chappel) | PluggedOil | 9,000 | Jun 3, 1988 | 1 | — |
| Brennand #1W42-335-32810 | Trio Operating Company Inc. | MitchellWestbrook | PluggedOil | 4,000 | Nov 20, 1987 | 3 | — |
| Brennand -a- #2C42-335-32811 | Trio Operating Company Inc. | MitchellWestbrook (Ellenburger) | PluggedOil | 8,350 | Oct 16, 1987 | 2 | Sep 1994 |
| Weber-Brooks #242-197-30966 | Trio Operating Company Inc. | HardemanQuanah (Chappel) | PluggedOil | 9,000 | Sep 19, 1986 | 1 | — |
| Weber-O Neal #142-197-30942 | Trio Operating Company Inc. | HardemanSwartz (Palo Pinto) | PluggedOil | 9,000 | Apr 4, 1986 | 2 | — |
| Weber-McCall #142-337-32624 | Trio Operating Company Inc. | MontagueEngle (Conglomerate 2ND) | PluggedOil | 7,800 | Jan 7, 1986 | 1 | Jul 1995 |
| Bell Unit #105142-487-31953 | Trio Operating Company Inc. | WilbargerEagle Flat (Mississippian) | PluggedOil | 8,800 | Dec 4, 1985 | 1 | — |
| Weber-Snider #142-077-33879 | Trio Operating Company Inc. | ClayShannon (Caddo) | PluggedOil | 6,200 | Sep 18, 1985 | 1 | — |
| Brooks #1 A42-197-30866 | Trio Operating Company Inc. | HardemanQuanah (Chappel) | PluggedOil | 9,300 | Jun 14, 1985 | 1 | — |
| Schoppa W. #142-487-31825 | Trio Operating Company Inc. | WilbargerRed River Valley (Miss.) | PluggedOil | 6,700 | Oct 15, 1984 | 1 | Apr 1994 |
| Pease River #142-197-30733 | Trio Operating Company Inc. | HardemanPease River (Basal Congl.) | PluggedOil | 8,500 | Jul 17, 1984 | 1 | Mar 1997 |
| Bank #142-197-30629 | Trio Operating Company Inc. | HardemanApex (Mississippian) | PluggedOil | 9,000 | Dec 20, 1983 | 1 | Jun 1997 |
| Barnfield-Reynolds #142-197-30606 | Trio Operating Company Inc. | HardemanBent Rig (Chappel) | PluggedOil | 8,400 | Sep 30, 1983 | 1 | — |
| Hooch #142-197-30595 | Trio Operating Company Inc. | HardemanRapps (Congl) | PluggedOil | 8,500 | Aug 11, 1983 | 1 | — |
| Kelly Sam Estate #142-487-31425 | Trio Operating Company Inc. | WilbargerWilbarger County Regular | PluggedOil | 4,900 | Jun 18, 1981 | 1 | Jun 1998 |
| Phillips A. W. & Ivy Trust 1-a #242-197-30377 | Trio Operating Company Inc. | HardemanPiarist SW. (Chappel Up.) | PluggedOil | 8,320 | Dec 15, 1980 | 1 | Feb 1993 |
| Bender #242-285-30641 | Trio Operating Company Inc. | LavacaWord N. (8100) | PluggedGas | 7,400 | Oct 22, 1979 | 2 | — |
| Minshew Unit #142-197-00108 | Trio Operating Company Inc. | HardemanQuanah (Chappel 8295) | PluggedOil | — | — | 0 | — |
| Thompson J. A. #1D42-197-00268 | Trio Operating Company Inc. | HardemanQuanah (Chappel 8295) | PluggedOil | — | — | 0 | — |
| Mulkey #442-197-20027 | Trio Operating Company Inc. | HardemanThrash (Palo Pinto) | PluggedOil | — | — | 0 | — |
| Swenson #142-447-00098 | Trio Operating Company Inc. | ThrockmortonTom (Caddo 4765) | PluggedOil | — | — | 0 | — |
| Swenson #242-447-00311 | Trio Operating Company Inc. | ThrockmortonTom (Caddo 4765) | PluggedOil | — | — | 0 | — |
| Swenson #3D42-447-20258 | Trio Operating Company Inc. | ThrockmortonTom (Caddo 4765) | PluggedOil | — | — | 0 | — |
| Swenson #116942-447-81373 | Trio Operating Company Inc. | ThrockmortonTom (Caddo 4765) | Not on scheduleOil | — | — | 0 | — |
| Dickinson Frances Ann #142-485-12387 | Trio Operating Company Inc. | WichitaWitcher (Kma Sand) | PluggedOil | — | — | 0 | — |
| Dickinson Frances Ann #242-485-87600 | Trio Operating Company Inc. | WichitaWitcher (Kma Sand) | PluggedOil | — | — | 0 | — |