| 476862 | Jun 4, 1998 | Jun 4, 1998 | JW Energy Co., Ltd | Sealy "CL" #4 | 6,000 | 49734267 |
| 476800 | Jun 2, 1998 | Jun 2, 1998 | Mitchell Energy Corporation | Stella Young GU #5 | 7,400 | 49734265 |
| 476756 | Jun 1, 1998 | Jun 1, 1998 | Mitchell Energy Corporation | Wcco 4 #4H | 7,900 | 49734264 |
| 476544 | May 26, 1998 | May 26, 1998 | Richey, Ray Management Co., Inc. | Cozart, M. M. #1 | 6,200 | 49734263 |
| 476463 | May 20, 1998 | May 20, 1998 | JW Energy Co., Ltd | Sealy "B" #J 4 | 6,000 | 49734262 |
| 476463Amendment | May 20, 1998 | May 20, 1998 | JW Energy Co., Ltd | Sealy "B" #4 | 6,000 | 49734262 |
| 476348 | May 20, 1998 | May 20, 1998 | Mitchell Energy Corporation | Martin, J. C. #1 | 6,000 | 49702978 |
| 476347 | May 18, 1998 | May 18, 1998 | Mitchell Energy Corporation | Thurmond, Joe "A" #1 | 8,200 | 49734261 |
| 475968 | May 7, 1998 | May 7, 1998 | Mitchell Energy Corporation | Johnson, W. D. "A" #10 | 7,910 | 49734151 |
| 475969 | May 6, 1998 | May 6, 1998 | Mitchell Energy Corporation | Johnson, W. D. "A" #9 | 7,960 | 49734100 |
| 475220 | Apr 28, 1998 | Apr 28, 1998 | Mitchell Energy Corporation | Halman, W. H. #2 | 5,921 | 49701118 |
| 475670 | Apr 27, 1998 | Apr 27, 1998 | Mitchell Energy Corporation | Wcco 4 #1G | 7,700 | 49734260 |
| 475658 | Apr 27, 1998 | Apr 27, 1998 | Roil Mineral & Land Co. | Smith, T. M. #6 | 7,600 | 49734256 |
| 475569 | Apr 27, 1998 | Apr 27, 1998 | Mitchell Energy Corporation | Bonds, P. R. Jr. #1 | 6,100 | 49700943 |
| 475568 | Apr 27, 1998 | Apr 27, 1998 | Mitchell Energy Corporation | Hess, C. M. #1 | 4,085 | 49701137 |
| 475567 | Apr 27, 1998 | Apr 27, 1998 | Mitchell Energy Corporation | Torrance, R. B. #1 | 6,150 | 49701351 |
| 475548 | Apr 27, 1998 | Apr 27, 1998 | Ryder Scott Oil Co. | Maeyers #3 | 6,800 | 49734255 |
| 475664 | Apr 24, 1998 | Apr 24, 1998 | JW Energy Co., Ltd | Ashe "A" #J 2 | 6,000 | 49734259 |
| 475664Amendment | Apr 24, 1998 | Apr 24, 1998 | JW Energy Co., Ltd | Ashe "A" #7 | 6,000 | 49734259 |
| 475623 | Apr 24, 1998 | Apr 24, 1998 | Mitchell Energy Corporation | Wcco 4 #5B | 7,700 | 49734257 |
| 475623Amendment | Apr 24, 1998 | Apr 24, 1998 | Mitchell Energy Corporation | Wcco 4-Georgia Fitch #5B | 8,400 | 49734257 |
| 475622 | Apr 24, 1998 | Apr 24, 1998 | Mitchell Energy Corporation | Askey "A" #3 | 8,100 | 49734258 |
| 475424 | Apr 24, 1998 | Apr 24, 1998 | Mitchell Energy Corporation | Rhoten, B. C. #1 | 5,965 | 49701267 |
| 475343 | Apr 24, 1998 | Apr 24, 1998 | Mitchell Energy Corporation | Hughes, D. J. #9 | 3,435 | 49701156 |
| 475221 | Apr 24, 1998 | Apr 24, 1998 | Mitchell Energy Corporation | Morris, Leslie #1 | 3,500 | 49701223 |
| 475592 | Apr 23, 1998 | Apr 23, 1998 | Mitchell Energy Corporation | Walker, Mabel #3H | 4,200 | 49734254 |
| 475468 | Apr 23, 1998 | Apr 23, 1998 | Lakota Energy, Ltd. | Lanham, L. N. #2 | 7,875 | 49734253 |
| 475426 | Apr 23, 1998 | Apr 23, 1998 | Mitchell Energy Corporation | McDonald, W. E. #1 | 6,395 | 49701201 |
| 475425 | Apr 23, 1998 | Apr 23, 1998 | Mitchell Energy Corporation | Sellers, J. L. #1 | 5,900 | 49701275 |
| 475423 | Apr 23, 1998 | Apr 23, 1998 | Mitchell Energy Corporation | Bowden, C. W. #2 | 6,311 | 49700974 |
| 475422 | Apr 23, 1998 | Apr 23, 1998 | Mitchell Energy Corporation | Bowden, C. W. #1 | 6,249 | 49700975 |
| 475401 | Apr 23, 1998 | Apr 23, 1998 | Mitchell Energy Corporation | Deavers, H. J. #3 | 3,637 | 49701034 |
| 475400 | Apr 23, 1998 | Apr 23, 1998 | Mitchell Energy Corporation | Garrison, W. R. #1 | 6,102 | 49701110 |
| 475355 | Apr 23, 1998 | Apr 23, 1998 | Mitchell Energy Corporation | Gadberry, H. C. #6 | 3,500 | 49701073 |
| 475222 | Apr 23, 1998 | Apr 23, 1998 | Mitchell Energy Corporation | Caswell, J. I. #6 | 3,215 | 49701000 |
| 475114 | Apr 10, 1998 | Apr 10, 1998 | Mitchell Energy Corporation | Green, G. W. #1 | 4,030 | 49701097 |
| 475113 | Apr 10, 1998 | Apr 10, 1998 | Mitchell Energy Corporation | Sewell, Edna #1 | 6,275 | 49701273 |
| 475112 | Apr 10, 1998 | Apr 10, 1998 | Mitchell Energy Corporation | Cole, Martha E. #1 | 6,100 | 49701029 |
| 475110 | Apr 10, 1998 | Apr 10, 1998 | Mitchell Energy Corporation | Terrell, C. V. #1 | 7,199 | 49701324 |
| 475173 | Apr 9, 1998 | Apr 9, 1998 | Chief Oil & Gas LLC | Waggoner, T. J. #C 1 | 6,900 | 49734252 |
| 475163 | Apr 9, 1998 | Apr 9, 1998 | Mitchell Energy Corporation | Shoop, Glenn P. "E' #2 | 8,150 | 49734251 |
| 474557 | Apr 7, 1998 | Apr 7, 1998 | Texas American Resources Company | Taylor "F" #3 | 7,000 | 49734244 |
| 475029 | Apr 3, 1998 | Apr 3, 1998 | JW Energy Co., Ltd | Ashe "a" J-1 #1 | 6,000 | 49734250 |
| 474934 | Apr 1, 1998 | Apr 1, 1998 | Mitchell Energy Corporation | Knapp #5 | 8,050 | 49734249 |
| 474871 | Mar 31, 1998 | Mar 31, 1998 | Mitchell Energy Corporation | Shoop, Glenn P. "F" #3 | 8,200 | 49734248 |
| 474577 | Mar 27, 1998 | Mar 27, 1998 | Republic Energy Inc. | Dodson, Dwight #5 | 6,200 | 49734245 |
| 474750 | Mar 26, 1998 | Mar 26, 1998 | Chief Oil & Gas LLC | Crowder-Hays Unit #2 | 6,900 | 49734246 |
| 474749 | Mar 26, 1998 | Mar 26, 1998 | Chief Oil & Gas LLC | Crowder-Hays Unit #3 | 6,900 | 49734247 |
| 474653 | Mar 24, 1998 | Mar 24, 1998 | Mitchell Energy Corporation | Whitesell, Katherine "A" #1 | 7,335 | 49734160 |
| 473912 | Mar 24, 1998 | Mar 24, 1998 | Richey, Ray Management Co., Inc. | McClurg-Ewing-Gilbert Unit #1 | 6,500 | 49731117 |
| 474521 | Mar 19, 1998 | Mar 19, 1998 | Chief Oil & Gas LLC | Rogers #C 2 | 6,800 | 49734243 |
| 474448 | Mar 18, 1998 | Mar 18, 1998 | Mitchell Energy Corporation | Patterson, M. L. #4 | 7,560 | 49734242 |
| 474335 | Mar 17, 1998 | Mar 17, 1998 | Mitchell Energy Corporation | Gadberry, H.C. #28H | 4,100 | 49734240 |
| 474366 | Mar 16, 1998 | Mar 16, 1998 | Texas American Resources Company | Cocanaugher #4 | 7,000 | 49734241 |
| 474132 | Mar 6, 1998 | Mar 6, 1998 | Chief Oil & Gas LLC | Rogers #C 1 | 6,900 | 49734236 |
| 473964 | Mar 4, 1998 | Mar 4, 1998 | Cumming Company, Inc. The | Boonsville #3 | 5,900 | 49734235 |
| 473474 | Feb 23, 1998 | Feb 23, 1998 | Republic Energy Inc. | Grayson #1 | 6,500 | 49734233 |
| 473549 | Feb 19, 1998 | Feb 19, 1998 | Chief Oil & Gas LLC | Perkins-Mitchell Unit #C 1 | 6,800 | 49734234 |
| 472975 | Feb 5, 1998 | Feb 5, 1998 | Mitchell Energy Corporation | Stewart, M. F. "A" #2H | 6,000 | 49734231 |
| 472975Amendment | Feb 5, 1998 | Feb 5, 1998 | Mitchell Energy Corporation | Stewart, M. F. "A" #2H | 6,000 | 49734231 |
| 472799 | Jan 30, 1998 | Jan 30, 1998 | Mitchell Energy Corporation | Adele Clough GU 2 #14 | 7,900 | 49734230 |
| 472798 | Jan 30, 1998 | Jan 30, 1998 | Mitchell Energy Corporation | Renshaw, Anna #4 | 8,000 | 49734229 |
| 472749 | Jan 29, 1998 | Jan 29, 1998 | Mitchell Energy Corporation | Stella Young GU "A" #8 | 7,350 | 49734228 |
| 472748 | Jan 29, 1998 | Jan 29, 1998 | Mitchell Energy Corporation | L. B. Wilson GU #1H | 8,800 | 49733080 |
| 472748Amendment | Jan 29, 1998 | Jan 29, 1998 | Mitchell Energy Corporation | L. B. Wilson GU #1H | 6,950 | 49733080 |
| 472748Amendment | Jan 29, 1998 | Jan 29, 1998 | Mitchell Energy Corporation | L. B. Wilson GU #1H | 8,800 | 49733080 |
| 472668 | Jan 27, 1998 | Jan 27, 1998 | Mitchell Energy Corporation | McCurdy, Floyd #4H | 4,300 | 49734227 |
| 472578 | Jan 23, 1998 | Jan 23, 1998 | Mitchell Energy Corporation | Wallace, Frank #2 | 7,900 | 49734226 |
| 472422 | Jan 21, 1998 | Jan 21, 1998 | Roil Mineral & Land Co. | Davenport #3 | 8,600 | 49734225 |
| 472189 | Jan 14, 1998 | Jan 14, 1998 | Mitchell Energy Corporation | Thurmond, Joe #2 | 8,200 | 49734224 |
| 471950 | Jan 8, 1998 | Jan 8, 1998 | Mitchell Energy Corporation | Peek-Crabtree Gas Unit #2 | 8,200 | 49734223 |
| 471950Amendment | Jan 8, 1998 | Jan 8, 1998 | Mitchell Energy Corporation | Peek-Crabtree Gas Unit #2 | 8,200 | 49734223 |
| 471341 | Jan 5, 1998 | Jan 5, 1998 | Ryder Scott Oil Co. | Childers #3 | 7,200 | 49734221 |
| 471334 | Jan 5, 1998 | Jan 5, 1998 | Ryder Scott Oil Co. | Childers #5 | 7,200 | 49734222 |
| 471756 | Dec 31, 1997 | Dec 31, 1997 | Mitchell Energy Corporation | Johnson, W. D. "B" #4 | 7,820 | 49732881 |
| 470722 | Dec 29, 1997 | Dec 29, 1997 | Mitchell Energy Corporation | Sol Carpenter Heirs #4 | 8,050 | 49734217 |
| 471100 | Dec 19, 1997 | Dec 19, 1997 | Mitchell Energy Corporation | Guinn, J. B. #2 | 4,400 | 49733286 |
| 470701 | Dec 16, 1997 | Dec 16, 1997 | Roil Mineral & Land Co. | Hunn-Davenport #2 | 8,600 | 49734216 |
| 471177 | Dec 12, 1997 | Dec 12, 1997 | Chief Oil & Gas LLC | Sheppard "A" #2 | 6,000 | 49734220 |
| 471033 | Dec 11, 1997 | Dec 11, 1997 | Cumming Company, Inc. The | Stone #1 | 6,200 | 49734219 |
| 468846 | Dec 11, 1997 | Dec 11, 1997 | Mitchell Energy Corporation | W. J. Shepherd Gas Unit #2 | 7,300 | 49734207 |
| 470852 | Dec 5, 1997 | Dec 5, 1997 | Mitchell Energy Corporation | Sewell Ranch, Inc. "C" #1 | 7,500 | 49734218 |
| 470178 | Dec 4, 1997 | Dec 4, 1997 | Enre Corp. | H. M. Potter Gas Unit #7 | 8,200 | 49734214 |
| 470176 | Nov 25, 1997 | Nov 25, 1997 | Enre Corp. | Potter "A" #2 | 8,200 | 49734215 |
| 470179 | Nov 17, 1997 | Nov 17, 1997 | Enre Corp. | Potter "A" #3 | 8,200 | 49734213 |
| 469684 | Nov 14, 1997 | Nov 14, 1997 | Mitchell Energy Corporation | M. L. Patterson GU "A" #2 | 7,540 | 49734085 |
| 469683 | Nov 14, 1997 | Nov 14, 1997 | Mitchell Energy Corporation | McCurdy, Floyd "A" #1 | 7,760 | 49734087 |
| 469748 | Nov 10, 1997 | Nov 10, 1997 | Cumming Company, Inc. The | Boonsville #2 | 4,500 | 49734212 |
| 469748Amendment | Nov 10, 1997 | Nov 10, 1997 | Cumming Company, Inc. The | Boonsville #2 | 4,500 | 49734212 |
| 469677 | Nov 5, 1997 | Nov 5, 1997 | Mitchell Energy Corporation | Speer, Oran #12H | 7,800 | 49734211 |
| 469663 | Nov 4, 1997 | Nov 4, 1997 | Mitchell Energy Corporation | Patterson, M. L. "A" #3 | 7,850 | 49734210 |
| 469223 | Nov 3, 1997 | Nov 3, 1997 | Mitchell Energy Corporation | Peterson, A. L. #5 | 8,050 | 49734209 |
| 469509 | Oct 31, 1997 | Oct 31, 1997 | Mitchell Energy Corporation | Hutchinson "B" #2 | 5,620 | 49701896 |
| 468800 | Oct 29, 1997 | Oct 29, 1997 | Mitchell Energy Corporation | Stella Young GU "A" #7 | 7,075 | 49734070 |
| 469036 | Oct 21, 1997 | Oct 21, 1997 | Mitchell Energy Corporation | Thorell, Dollie #2H | 4,150 | 49734208 |
| 469036Amendment | Oct 21, 1997 | Oct 21, 1997 | Mitchell Energy Corporation | Thorell, Dollie #2H | 4,150 | 49734208 |
| 467558 | Oct 21, 1997 | Oct 21, 1997 | Mitchell Energy Corporation | Stella Young GU "A" #6 | 7,260 | 49733886 |
| 468976 | Oct 20, 1997 | Oct 20, 1997 | Mitchell Energy Corporation | Young, W. C. (Bill) #2 | 7,350 | 49732613 |
| 468249 | Oct 8, 1997 | Oct 8, 1997 | Mitchell Energy Corporation | Txi Gas Unit #3 | 7,400 | 49734204 |
| 468518 | Oct 7, 1997 | Oct 7, 1997 | Stephens & Johnson Operating Co. | O'Kelly #1 | 6,500 | 49734205 |