| Super Unit #34842-181-31203 | Flintlock Exploration LLC only | Grayson, TXBig Mineral Creek (Consolidated) | ActiveOil | 6,150 | Oct 5, 1987 | — | — |
| Mullins Clark #442-181-31204 | Snuggs, Steven F.permitted by · no operator of record | Grayson, TX | Plugged | 4,490 | Sep 28, 1987 | — | — |
| Meek #142-181-31201 | Felderhoff Production Company only | Grayson, TXHester (Strawn) | ActiveOil | 5,623 | Sep 16, 1987 | — | — |
| Watson -a- #242-181-01996 | Atex Exploration & Operating Co. only | Grayson, TXMackoy (Strawn) | ActiveOil | 5,407 | Aug 19, 1987 | — | — |
| Calhoun #142-181-31192 | Precision Operating Inc.permitted by · no operator of record | Grayson, TXHudgins (Dornick Hills 8000) | Not on schedule | 8,150 | Aug 10, 1987 | — | — |
| Lovejoy Davis Unit #142-181-31198 | Snuggs, Steven F.permitted by · no operator of record | Grayson, TX | Plugged | 4,490 | Aug 7, 1987 | — | — |
| Godwin Unit #142-181-31197 | 3-T Exploration Inc. only | Grayson, TXWhitesboro (Bruhlmeyer) | PluggedOil | 5,500 | Jul 1, 1987 | — | — |
| Calloway H.C. #142-181-31196 | Baruch-Foster Corporationpermitted by · no operator of record | Grayson, TXTioga, East (Degan Sand) | Plugged | 3,900 | Jun 18, 1987 | — | — |
| Dolezalek #1__42-181-31195 | Grayson Petroleum Companypermitted by · no operator of record | Grayson, TXTwo Eds (Hester Sand) | Plugged | 6,000 | Jun 8, 1987 | — | — |
| Hutchinson C. C. -a- #642-181-01910 | BLS Production Co. Inc. only | Grayson, TXHandy SE. (Strawn 2400) | ActiveOil | 3,562 | Apr 30, 1987 | — | — |
| McAdams Mary I. 3 #142-181-02224 | Chevron Oil Company only | Grayson, TXNew-Mag (Oil Creek 16 000) | PluggedGas | 14,200 | Apr 13, 1987 | — | — |
| Sadler /Penn./ Field Unit #50442-181-31194 | Silver Creek Oil & Gas LLC only | Grayson, TXSadler (Penn.) | PluggedOil | 7,800 | Mar 30, 1987 | — | — |
| Super Unit #802WL42-181-01825 | Flintlock Exploration LLC only | Grayson, TXBig Mineral Creek (Consolidated) | PluggedOil | 3,651 | Jan 8, 1987 | — | — |
| Walker #1A42-181-31189 | Samedan Oil Corporationpermitted by · no operator of record | Grayson, TX | Plugged | 13,500 | Dec 17, 1986 | — | — |
| Bumpass #242-181-31187 | Charter Oak Production Co. LLC only | Grayson, TXHudgins (Dornick Hills 8000) | ActiveOil | 8,350 | Dec 11, 1986 | — | — |
| Darter, W. A. #142-181-31190 | Sun Expl. & Prod. Co.-Abilenepermitted by · no operator of record | Grayson, TX | Not on schedule | 10,500 | Dec 5, 1986 | — | — |
| Tomlin Unit #142-181-31191 | Felderhoff Production Co.permitted by · no operator of record | Grayson, TX | Plugged | 8,000 | Dec 5, 1986 | — | — |
| McCulloughh #2702 U42-181-00889 | Tat Inc. only | Grayson, TXPerrin N. Afb (Cordell Sd.) | PluggedOil | 12,940 | Nov 26, 1986 | — | — |
| Holland #360142-181-31032 | BKM Production only | Grayson, TXPerrin N. Afb (Cordell Sd.) | ActiveOil | 10,159 | Nov 25, 1986 | — | — |
| Super Unit #422R42-181-00166 | Flintlock Exploration LLC only | Grayson, TXBig Mineral Creek (Consolidated) | PluggedOil | 5,567 | Nov 21, 1986 | — | — |
| Super Unit #815WL42-181-01239 | Flintlock Exploration LLC only | Grayson, TXBig Mineral Creek (Consolidated) | ActiveInjection | 7,043 | Oct 28, 1986 | — | — |
| Super Unit #60142-181-01821 | Flintlock Exploration LLC only | Grayson, TXBig Mineral Creek (Consolidated) | Shut inOil | 3,701 | Oct 24, 1986 | — | — |
| Terry, Belle #142-181-31188 | Kerr-McGee Corporationpermitted by · no operator of record | Grayson, TX | Plugged | 11,200 | Oct 22, 1986 | — | — |
| Barton-Webb Unit #142-181-31186 | Precision Operating Inc. only | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 7,800 | Oct 10, 1986 | — | — |
| Yates #260342-181-02110 | BKM Production only | Grayson, TXPerrin N. Afb (Baker SD) | ActiveOil | 15,050 | Sep 5, 1986 | — | — |
| Walker #142-181-31184 | Samedan Oil Corporationpermitted by · no operator of record | Grayson, TX | Plugged | 13,500 | Sep 3, 1986 | — | — |
| Jackson #142-181-31183 | Walker Oper.corp., a Texas Corp.permitted by · no operator of record | Grayson, TX | Not on schedule | 5,000 | Jul 28, 1986 | — | — |
| Caughey Earl #442-181-31159 | Jetta Operating Company Inc. only | Grayson, TXHudgins (Dornick Hills 8000) | ActiveOil | 8,799 | Jul 8, 1986 | — | — |
| Super Unit #809WL42-181-01682 | Flintlock Exploration LLC only | Grayson, TXBig Mineral Creek (Consolidated) | PluggedOil | 5,400 | Jun 30, 1986 | — | — |
| Super Unit #440W42-181-01822 | Flintlock Exploration LLC only | Grayson, TXBig Mineral Creek (Consolidated) | PluggedOil | 6,800 | Jun 9, 1986 | — | — |
| Super Unit #705U42-181-01851 | Flintlock Exploration LLC only | Grayson, TXBig Mineral Creek (Consolidated) | Shut inOil | 5,350 | Jun 9, 1986 | — | — |
| Patton - Stahl #142-181-31182 | Grayson Petroleum Companypermitted by · no operator of record | Grayson, TX | Plugged | 4,300 | May 7, 1986 | — | — |
| Yates #2602U42-181-02111 | BKM Production only | Grayson, TXPerrin N. Afb (Cordell Sd.) | ActiveOil | 14,700 | Apr 8, 1986 | — | — |
| Hiberd-Chumbley Unit #142-181-31163 | Precision Operating Inc. only | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 9,000 | Mar 10, 1986 | — | — |
| Parker E.D. #1__42-181-31181 | Jones, L. E. Production Co.permitted by · no operator of record | Grayson, TX | Plugged | 5,000 | Mar 7, 1986 | — | — |
| Logston Aggie #242-181-31180 | Charter Oak Production Co. LLC only | Grayson, TXSouthmayd North (Baker-Viola) | ActiveOil | 7,750 | Mar 3, 1986 | — | — |
| Davis a #142-181-31179 | Felderhoff Production Company only | Grayson, TXCollinsville SE. (3775 Sand) | PluggedOil | 4,490 | Feb 26, 1986 | — | — |
| Jewell #1__42-181-31178 | Price, W. H. & Sonspermitted by · no operator of record | Grayson, TX | Plugged | 6,700 | Feb 10, 1986 | — | — |
| Freudenreich #242-181-31176 | Felderhoff Production Co.permitted by · no operator of record | Grayson, TX | Plugged | 5,500 | Jan 27, 1986 | — | — |
| Gage Charles V. #1__42-181-31177 | Chevron U. S. A. Inc.permitted by · no operator of record | Grayson, TX | Plugged | 13,500 | Jan 27, 1986 | — | — |
| Woodall C. L. #442-181-31175 | Felderhoff Production Company only | Grayson, TXCollinsville SE. (4100 Degan) | PluggedOil | 4,490 | Jan 17, 1986 | — | — |
| Logston-Cantrell Unit #142-181-31158 | Charter Oak Production Co. LLC only | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 9,000 | Jan 6, 1986 | — | — |
| Mullins Clark #342-181-31174 | BKM Production only | Grayson, TXCollinsville SE. (3775 Sand) | ActiveOil | 4,283 | Jan 6, 1986 | — | — |
| Rainey Donna #242-181-01133 | Atex Exploration & Operating Co. only | Grayson, TXSadler W. (5700 Penn.) | ActiveOil | 6,441 | Dec 19, 1985 | — | — |
| Cantrell-Webb #142-181-31173 | Precision Operating Inc. only | Grayson, TXSouthmayd North (Baker-Viola) | PluggedOil | 8,300 | Dec 19, 1985 | — | — |
| Sutton A.L. #142-181-31172 | Keene, Roy J. Jr.permitted by · no operator of record | Grayson, TX | Plugged | 6,350 | Dec 18, 1985 | — | — |
| Hughes Ranch #142-181-31171 | Samedan Oil Corporationpermitted by · no operator of record | Grayson, TX | Plugged | 11,000 | Dec 12, 1985 | — | — |
| Lawrence #142-181-31170 | Jones L. E. Operating Inc. only | Grayson, TXPerrin N. Afb (Baker SD) | PluggedOil | 10,800 | Dec 5, 1985 | — | — |
| Mullins Clark #242-181-31169 | BKM Production only | Grayson, TXCollinsville SE. (3860 Sand) | ActiveOil | 4,250 | Nov 26, 1985 | — | — |
| McWhorter #1__42-181-31166 | EP Operating Companypermitted by · no operator of record | Grayson, TX | Plugged | 5,000 | Nov 21, 1985 | — | — |