| Doris Chalk -C- #1D42-227-33074 | Keeley Oil L.L.C. | HowardHoward Glasscock (Consolidated) | Shut inOil | 1,900 | May 13, 1983 | 1 | Aug 2023 |
| Chalk Estate #1942-227-33077 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | ActiveOil | 3,100 | May 12, 1983 | 1 | Aug 2026 |
| Chalk G. O.-G- #3742-227-33078 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | ActiveInjection | 3,100 | May 12, 1983 | 1 | Aug 2026 |
| Owen-Chalk #4142-227-33079 | Conocophillips Company | HowardHoward-Glasscock (Glorieta) | PluggedOil | 3,100 | May 12, 1983 | 1 | Nov 2011 |
| Mark-M-R Big Spring 10-a #142-227-33072 | Mark-M | HowardMoore | Not on schedule | 3,400 | May 10, 1983 | 1 | — |
| Mark-M-R Big Spring 10-a #242-227-33073 | — | HowardMoore | Plugged | 3,290 | May 10, 1983 | 1 | — |
| Foster W. L. #1 #7642-227-33065 | Bce-Mach III LLC | HowardIatan East Howard | PluggedOil | 3,400 | May 6, 1983 | 1 | Aug 2026 |
| Dodge G. M. #6842-227-33066 | Bce-Mach III LLC | HowardIatan East Howard | ActiveOil | 2,999 | May 6, 1983 | 1 | Aug 2026 |
| Chalk G. O. #25W42-227-33069 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | PluggedOil | 3,200 | May 6, 1983 | 1 | Aug 2026 |
| Settles W. R. -a- #13342-227-33071 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | PluggedOil | 2,750 | May 6, 1983 | 1 | Aug 2026 |
| Foster W. L. #1 #8042-227-33157 | Bce-Mach III LLC | HowardIatan East Howard | ActiveOil | 3,008 | May 6, 1983 | 1 | Aug 2026 |
| Chalk G. O. -D- #1642-227-30261 | Conocophillips Company | HowardHoward Glasscock (Clear Fork MI) | PluggedOil | 3,900 | May 4, 1983 | 1 | Nov 2011 |
| Chalk G. O. -D- #17 W42-227-30270 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | ActiveInjection | 3,920 | May 4, 1983 | 1 | Aug 2026 |
| Chalk G. O. -D- #1942-227-30285 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | ActiveOil | 3,900 | May 4, 1983 | 1 | Aug 2026 |
| Denman L. C. -B- #1242-227-31972 | New Height Energy LLC | HowardIatan East Howard | ActiveOil | 3,050 | May 4, 1983 | 2 | Jun 2026 |
| Huddleston #342-227-32582 | Clear Water Inc. | HowardVarel (San Andres) | ActiveOil | 3,300 | Apr 22, 1983 | 2 | Aug 2026 |
| Guitar Trust #142-227-33057 | — | HowardVarel (San Andres) | Plugged | 3,200 | Apr 20, 1983 | 1 | — |
| Broaddus -a- #2A42-227-33058 | MSD Operating LLC | HowardMoore | ActiveOil | 3,290 | Apr 20, 1983 | 1 | Aug 2026 |
| Broaddus -a- #3B42-227-33059 | MSD Operating LLC | HowardMoore | PluggedOil | 3,600 | Apr 20, 1983 | 1 | Aug 2026 |
| Broaddus -a- #4A42-227-33061 | MSD Operating LLC | HowardMoore | PluggedOil | 3,600 | Apr 20, 1983 | 1 | Aug 2026 |
| Broaddus -a- #1B42-227-33056 | MSD Operating LLC | HowardMoore | PluggedOil | 3,600 | Apr 19, 1983 | 1 | Aug 2026 |
| Griffen #142-227-33051 | Endeavor Energy Resources L.P. | HowardGriffin (Penn Reef) | PluggedOil | 8,000 | Apr 15, 1983 | 1 | Jan 2011 |
| Settles W. R. -a- #13242-227-33052 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | Shut inOil | 2,680 | Apr 15, 1983 | 1 | Aug 2026 |
| Settles W. R. #14C42-227-33050 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | Shut inOil | 2,650 | Apr 8, 1983 | 1 | Aug 2026 |
| Devaney #1032 U42-227-31650 | Stephens Autry C. | HowardCoahoma (Miss) | PluggedOil | 9,100 | Apr 4, 1983 | 2 | — |
| Hodnett Claude #1W42-227-33048 | Wichita Water LLC | HowardStolhan (Spraberry) | PluggedOil | 7,800 | Apr 4, 1983 | 1 | — |
| Chalk G.O.-B- #1742-227-33041 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | ActiveOil | 3,100 | Mar 30, 1983 | 1 | Aug 2026 |
| Chalk, Doris D #142-227-33042 | Cole, John Otis | HowardHoward Glasscock (Clear Fork,mi) | Not on schedule | 4,000 | Mar 30, 1983 | 1 | — |
| Hamilton #1A42-227-33047 | — | Howard | Plugged | 3,235 | Mar 30, 1983 | 1 | — |
| Reed -a- #142-227-30231 | Grayrock Energy II LLC | HowardHoward Glasscock (Consolidated) | PluggedOil | 3,612 | Mar 29, 1983 | 1 | Aug 2026 |
| Reed -a- #742-227-33046 | Grayrock Energy II LLC | HowardHoward Glasscock (Consolidated) | ActiveOil | 3,091 | Mar 29, 1983 | 1 | Aug 2026 |
| Reed 6 #142-227-33063 | — | HowardCoahoma, N. (Fussel) | Plugged | 9,018 | Mar 29, 1983 | 1 | — |
| Permian Brine Sales Fee #2D42-227-11016 | Nes Permian Basin L.P. | HowardSand Springs (Fusselman) | PluggedOil | 3,299 | Mar 25, 1983 | 3 | — |
| Broaddus -a- #1A42-227-33043 | A A Production Inc. | HowardMoore | PluggedOil | 3,600 | Mar 23, 1983 | 1 | — |
| Broaddus -a- #4B42-227-33044 | MSD Operating LLC | HowardMoore | PluggedOil | 3,600 | Mar 23, 1983 | 1 | Aug 2026 |
| Davidson Estate #142-227-32526 | Blanks Energy Corporation | HowardW. C. Field (Wolfcamp) | PluggedOil | 8,000 | Mar 21, 1983 | 2 | — |
| Scott #142-227-33040 | — | Howard | Plugged | 8,600 | Mar 21, 1983 | 1 | — |
| Chalk G.O.-B- #1242-227-30283 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | ActiveInjection | 3,900 | Mar 18, 1983 | 2 | Aug 2026 |
| John B. Bowen Jr. a #442-227-32900 | Sweet Crude Operating LLC | HowardHoward Glasscock (Consolidated) | ActiveOil | 2,972 | Mar 17, 1983 | 2 | Aug 2026 |
| John B. Bowen Jr. a #742-227-32903 | Sweet Crude Operating LLC | HowardHoward Glasscock (Consolidated) | ActiveOil | 3,060 | Mar 17, 1983 | 2 | Aug 2026 |
| Gaskin J. D. et al #8 R42-227-33039 | Johnson Operating Company LLC. | HowardMoore | Shut inOil | 3,300 | Mar 15, 1983 | 1 | Dec 2020 |
| Powell #342-227-32561 | Smith Bros. Casing Pullers Inc. | HowardMcCann (Basal Wolfcamp) | PluggedOil | 9,003 | Mar 14, 1983 | 2 | — |
| Chalk, Otis Estate #1D42-227-33035 | Chalk, Otis, Estate | HowardHoward Glasscock | Not on schedule | 1,375 | Mar 10, 1983 | 1 | — |
| Read Sub -a- #142-227-31719 | Texas Reexploration Operating LC | HowardCoahoma (Miss) | PluggedOil | 9,100 | Mar 9, 1983 | 2 | Sep 2004 |
| O Daniel -2- #242-227-33034 | McCann Corporation | HowardMcCann (Basal Wolfcamp) | PluggedOil | 9,100 | Mar 9, 1983 | 1 | Feb 2000 |
| Chalk G.O.-E- #2342-227-33033 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | ActiveOil | 4,051 | Mar 8, 1983 | 1 | Aug 2026 |
| Chalk G.O.-E- #22W42-227-33026 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | ActiveInjection | 3,950 | Mar 7, 1983 | 2 | Aug 2026 |
| Settles W. R. -a- #13142-227-33049 | Citation Oil & Gas Corp. | HowardHoward Glasscock (Consolidated) | PluggedOil | 2,750 | Mar 7, 1983 | 1 | Aug 2026 |
| Hyden M. C. #742-227-33036 | Surge Operating LLC | HowardLuther SE. (Silurian-Devonian) | PluggedOil | 10,100 | Mar 4, 1983 | 1 | Mar 2020 |
| Marie Holzworth #a 442-227-33037 | Triple N Services Inc. | HowardHoward-Glasscock (Glorieta) | PluggedOil | 2,970 | Mar 2, 1983 | 1 | Jan 2000 |