| 468766 | Oct 17, 1997 | Oct 17, 1997 | Union Pacific Resources Company | Fitzsimons "A" #6113 | 4,500 | 12733131 |
| 468765 | Oct 17, 1997 | Oct 17, 1997 | Union Pacific Resources Company | Fitzsimons "A" #3616 | 4,500 | 12733137 |
| 468764 | Oct 17, 1997 | Oct 17, 1997 | Union Pacific Resources Company | Fitzsimons "A" #4513 | 4,500 | 12733136 |
| 468762 | Oct 17, 1997 | Oct 17, 1997 | Union Pacific Resources Company | Fitzsimons "A" #6305 | 4,500 | 12733135 |
| 468760 | Oct 17, 1997 | Oct 17, 1997 | Union Pacific Resources Company | Fitzsimons "A" #6308 | 4,500 | 12733134 |
| 468759 | Oct 17, 1997 | Oct 17, 1997 | Union Pacific Resources Company | Fitzsimons "A" #4601 | 4,500 | 12733133 |
| 468757 | Oct 17, 1997 | Oct 17, 1997 | Union Pacific Resources Company | Fitzsimons "A" #6116 | 4,500 | 12733132 |
| 468289 | Oct 15, 1997 | Oct 15, 1997 | Carrizo Exploration, Inc. | Midway #1 | 6,100 | 12733124 |
| 468380 | Oct 13, 1997 | Oct 13, 1997 | Union Pacific Resources Company | Fitzsimons "A" #6105 | 4,500 | 12733126 |
| 468377 | Oct 13, 1997 | Oct 13, 1997 | Union Pacific Resources Company | Fitzsimons "A" #6104 | 4,500 | 12733127 |
| 468376 | Oct 13, 1997 | Oct 13, 1997 | Union Pacific Resources Company | Fitzsimons "A" #3514 | 4,500 | 12733128 |
| 468375 | Oct 13, 1997 | Oct 13, 1997 | Union Pacific Resources Company | Fitzsimons "A" #4204 | 4,500 | 12733129 |
| 468623 | Oct 9, 1997 | Oct 9, 1997 | Bronco Z Production | Suzanne #1 | 4,000 | 12733130 |
| 468315 | Oct 2, 1997 | Oct 2, 1997 | Union Pacific Resources Company | Fitzsimons "A" #612 | 4,500 | 12733125 |
| 467931 | Sep 23, 1997 | Sep 23, 1997 | Union Pacific Resources Company | Fitzsimons "A" #4212 | 4,600 | 12733123 |
| 467930 | Sep 23, 1997 | Sep 23, 1997 | Union Pacific Resources Company | Fitzsimons "A" #4214 | 4,600 | 12733122 |
| 467930Amendment | Sep 23, 1997 | Sep 23, 1997 | Collins & Ware, Inc. | Fitzsimons "A" #4214 | 4,600 | 12733122 |
| 465417 | Aug 4, 1997 | Aug 4, 1997 | U. S. Operating, Inc. | Briscoe/Hulsman #1693 | 5,900 | 12733121 |
| 465416 | Jul 30, 1997 | Jul 30, 1997 | U. S. Operating, Inc. | Briscoe/Hulsman #1703 | 5,900 | 12733120 |
| 465416Amendment | Jul 30, 1997 | Jul 30, 1997 | U. S. Operating, Inc. | Briscoe/Hulsman #1703 | 6,500 | 12733120 |
| 464573 | Jul 3, 1997 | Jul 3, 1997 | Berenergy Corporation | Jones, E. B. #1315HH | 10,368 | 12732993 |
| 464247 | Jun 25, 1997 | Jun 25, 1997 | Lewis Petro Properties, Inc. | Briscoe Ranch 58 #1 | 5,600 | 12733119 |
| 463772 | Jun 13, 1997 | Jun 13, 1997 | Lewis Petro Properties, Inc. | Briscoe Ranch 6 "A" #2 | 5,600 | 12733118 |
| 462975 | May 28, 1997 | May 28, 1997 | Tidelands Gas Corporation | Halsell #3605 | 1,500 | 12733117 |
| 462974 | May 28, 1997 | May 28, 1997 | Tidelands Gas Corporation | Halsell #1605 | 1,500 | 12733115 |
| 462973 | May 28, 1997 | May 28, 1997 | Tidelands Gas Corporation | Halsell #2605 | 1,500 | 12733116 |
| 462124 | May 7, 1997 | May 7, 1997 | Tidelands Gas Corporation | Halsell #2603 | 2,500 | 12733113 |
| 462123 | May 7, 1997 | May 7, 1997 | Tidelands Gas Corporation | Halsell #1603 | 2,500 | 12733114 |
| 461894 | May 7, 1997 | May 7, 1997 | Union Pacific Resources Company | Fitzsimmons "A" #2 | 4,400 | 12733112 |
| 461468 | Apr 24, 1997 | Apr 24, 1997 | Union Pacific Resources Company | Fitzsimmons #3 | 4,400 | 12733111 |
| 461467 | Apr 24, 1997 | Apr 24, 1997 | Union Pacific Resources Company | Fitzsimmons #1 | 4,400 | 12733110 |
| 460779 | Apr 11, 1997 | Apr 11, 1997 | U. S. Operating, Inc. | Briscoe/Hulsman #1706 | 6,350 | 12733109 |
| 460779Amendment | Apr 11, 1997 | Apr 11, 1997 | U. S. Operating, Inc. | Briscoe/Hulsman #1706 | 5,837 | 12733109 |
| 460490 | Apr 2, 1997 | Apr 2, 1997 | Union Pacific Resources Company | West #2 | 4,000 | 12733106 |
| 460489 | Apr 2, 1997 | Apr 2, 1997 | Union Pacific Resources Company | West #3 | 4,000 | 12733107 |
| 460275 | Apr 2, 1997 | Apr 2, 1997 | Bronco Z Production | Badger #1 | 4,000 | 12733108 |
| 459812 | Mar 18, 1997 | Mar 18, 1997 | Sage Energy Company | Eldridge Unit #1HH | 6,800 | 12732889 |
| 459812Amendment | Mar 18, 1997 | Mar 18, 1997 | Sage Energy Company | Eldridge Unit #1HH | 6,800 | 12732889 |
| 459092 | Mar 11, 1997 | Mar 11, 1997 | Oryx Energy Company | George, Burton O. #2 | 6,350 | 12733001 |
| 459535 | Mar 7, 1997 | Mar 7, 1997 | Omni Operating Company(a) | Fitzsimmons #3 | 3,850 | 12733105 |
| 459535Amendment | Mar 7, 1997 | Mar 7, 1997 | Omni Operating Company(a) | Fitzsimmons #3 | 3,850 | 12733105 |
| 459535Amendment | Mar 7, 1997 | Mar 7, 1997 | Omni Operating Company(a) | Fitzsimmons #3 | 4,000 | 12733105 |
| 458982 | Feb 27, 1997 | Feb 27, 1997 | Tidelands Gas Corporation | Halsell #1606 | 2,500 | 12733104 |
| 454710 | Feb 27, 1997 | Feb 27, 1997 | Thalmann, David Vac Service Inc | Pearsall-Brundage #1H | 6,068 | 12732905 |
| 458980 | Feb 21, 1997 | Feb 21, 1997 | Omni Operating Company(a) | Fitzsimmons #2 | 3,850 | 12733103 |
| 458980Amendment | Feb 21, 1997 | Feb 21, 1997 | Omni Operating Company(a) | Fitzsimmons #2 | 3,850 | 12733103 |
| 458957 | Feb 21, 1997 | Feb 21, 1997 | Berenergy Corporation | Rojo Unit #1HH | 10,190 | 12732883 |
| 458512 | Feb 18, 1997 | Feb 18, 1997 | Tidelands Gas Corporation | Halsell #2 | 2,500 | 12733102 |
| 457941 | Feb 11, 1997 | Feb 11, 1997 | Kerns O & G, Inc. | Briscoe Ranches, Inc. #9201 | 5,200 | 12730954 |
| 458198 | Feb 4, 1997 | Feb 4, 1997 | Famcor Oil, Inc | Tortuga #2H | 6,900 | 50732704 |
| 457866 | Jan 29, 1997 | Jan 29, 1997 | Prime Operating Company | San Pedro Ranch #135 | 6,708 | 12731077 |
| 457742 | Jan 29, 1997 | Jan 29, 1997 | U. S. Operating, Inc. | Briscoe/Hulsman #1827 | 6,750 | 12733100 |
| 457724 | Jan 28, 1997 | Jan 28, 1997 | Carrizo Exploration, Inc. | Minus, Josephine #3 | 3,850 | 12733101 |
| 456159 | Dec 18, 1996 | Dec 18, 1996 | Hamilton, J. R. | Hamilton, J. R. #C 7 | 2,000 | 12733099 |
| 455796 | Dec 17, 1996 | Dec 17, 1996 | Hamilton Oil Inc. | Hamilton 1C #1C | 1,800 | 12732160 |
| 455796Amendment | Dec 17, 1996 | Dec 17, 1996 | Hamilton Oil Inc. | Hamilton 1C #1C | 1,800 | 12732160 |
| 455240 | Nov 18, 1996 | Nov 18, 1996 | Gardner Oil & Gas Co. | Briscoe - Catlett #2 | 1,300 | 12731926 |
| 454112 | Nov 18, 1996 | Nov 18, 1996 | Null, W.M. Operations, Inc. | Quinney #1 | 3,250 | 12733097 |
| 454418 | Oct 25, 1996 | Oct 25, 1996 | Gardner Oil & Gas Co. | Briscoe - Catlett #1 | 4,500 | 12733098 |
| 453993 | Oct 21, 1996 | Oct 21, 1996 | Cuatro Petro Corp. | Drought, Ann #15 | 3,500 | 12733096 |
| 453776 | Oct 14, 1996 | Oct 14, 1996 | Merit Energy Company | East Pena Creek Unit #48W | 2,900 | 12733095 |
| 451665 | Sep 19, 1996 | Sep 19, 1996 | Prime Operating Company | San Pedro Ranch #535 | 4,015 | 12732687 |
| 452304 | Sep 6, 1996 | Sep 6, 1996 | Hamilton Oil Inc. | Hamilton B2 #B 2 | 2,000 | 12732230 |
| 452304Amendment | Sep 6, 1996 | Sep 6, 1996 | Hamilton Oil Inc. | Hamilton B2 #B 2 | 2,000 | 12732230 |
| 452302 | Sep 6, 1996 | Sep 6, 1996 | Hamilton Oil Inc. | Hamilton "4C" #4C | 2,000 | 12732389 |
| 452302Amendment | Sep 6, 1996 | Sep 6, 1996 | Hamilton Oil Inc. | Hamilton "4C" #4C | 2,000 | 12732389 |
| 452300 | Sep 6, 1996 | Sep 6, 1996 | Hamilton Oil Inc. | Hamilton 3C #3C | 2,000 | 12732232 |
| 451878 | Aug 28, 1996 | Aug 28, 1996 | Union Pacific Resources Company | West #1H | 6,000 | 12733094 |
| 450627 | Jul 22, 1996 | Jul 22, 1996 | Berenergy Corporation | Jones, E.B. #1317HH | 10,793 | 12732895 |
| 450551 | Jul 22, 1996 | Jul 22, 1996 | Union Pacific Resources Company | Shook Ranch #1H | 7,555 | 12733093 |
| 449388 | Jul 16, 1996 | Jul 16, 1996 | Prime Operating Company | San Pedro Ranch #222 | 3,600 | 12731742 |
| 449754 | Jul 2, 1996 | Jul 2, 1996 | Null, W.M. Operations, Inc. | Eardley, W. #1 | 3,800 | 12733092 |
| 449605 | Jul 2, 1996 | Jul 2, 1996 | Prime Operating Company | San Pedro Ranch #615 | 3,600 | 12731979 |
| 449306 | Jul 2, 1996 | Jul 2, 1996 | Union Pacific Resources Company | Little #1H | 7,100 | 12733091 |
| 448591 | Jun 28, 1996 | Jun 28, 1996 | Prime Operating Company | Fitzsimons, Hugh #346 | 4,108 | 12732100 |
| 449117 | Jun 13, 1996 | Jun 13, 1996 | Kerns O & G, Inc. | Briscoe Ranch #36 | 5,200 | 12733090 |
| 448270 | May 20, 1996 | May 20, 1996 | Union Pacific Resources Company | Briscoe #1H | 8,300 | 12733088 |
| 448270Amendment | May 20, 1996 | May 20, 1996 | Union Pacific Resources Company | Briscoe #1H | 8,300 | 12733088 |
| 448269 | May 20, 1996 | May 20, 1996 | Union Pacific Resources Company | Wilson Unit #1H | 7,500 | 12733089 |
| 448269Amendment | May 20, 1996 | May 20, 1996 | Union Pacific Resources Company | Wilson Unit #1H | 7,500 | 12733089 |
| 447592 | May 3, 1996 | May 3, 1996 | Virgin Oil Company, Inc. | King, N. C. #7 | 10,000 | 12733087 |
| 447300 | Apr 26, 1996 | Apr 26, 1996 | Orr Production Company | Stumberg #1 | 5,000 | 12733086 |
| 447124 | Apr 17, 1996 | Apr 17, 1996 | Union Pacific Resources Company | Eardley #1H | 7,100 | 12733085 |
| 447124Amendment | Apr 17, 1996 | Apr 17, 1996 | Union Pacific Resources Company | Eardley #1H | 7,800 | 12733085 |
| 447124Amendment | Apr 17, 1996 | Apr 17, 1996 | Union Pacific Resources Company | Eardley #1H | 7,800 | 12733085 |
| 447002 | Apr 15, 1996 | Apr 15, 1996 | Berenergy Corporation | Jones, E. B. #1116HH | 11,044 | 12733008 |
| 441193 | Mar 29, 1996 | Mar 29, 1996 | Prime Operating Company | San Pedro Ranch #1027 | 3,875 | 12732629 |
| 441192 | Mar 29, 1996 | Mar 29, 1996 | Prime Operating Company | San Pedro Ranch #2028 | 3,845 | 12732665 |
| 441191 | Mar 29, 1996 | Mar 29, 1996 | Prime Operating Company | San Pedro Ranch #1526 | 3,995 | 12732700 |
| 445139 | Feb 23, 1996 | Feb 23, 1996 | BLS Trust | Groce -Keilah # 1 #1 | 2,400 | 12733084 |
| 444346 | Feb 1, 1996 | Feb 1, 1996 | Columbia Gas Development Corp. | Little 179 #1HH | 7,000 | 12732836 |
| 443661 | Jan 12, 1996 | Jan 12, 1996 | Shield Petroleum | Rhodes-State #1H | 7,500 | 12732888 |
| 443661Amendment | Jan 12, 1996 | Jan 12, 1996 | Shield Petroleum | Rhodes - State #1H | 7,500 | 12732888 |
| 443661Amendment | Jan 12, 1996 | Jan 12, 1996 | Shield Petroleum | Rhodes - State #1HH | 7,500 | 12732888 |
| 442951 | Dec 20, 1995 | Dec 20, 1995 | Prime Operating Company | Fitzsimons, Hugh A. et Al #A146 | 4,060 | 12732747 |
| 442670 | Dec 12, 1995 | Dec 12, 1995 | Magna Oil & Gas Corporation | Gardner #1 | 3,400 | 12733083 |
| 441779 | Nov 20, 1995 | Nov 20, 1995 | Kerns O & G, Inc. | Briscoe Ranch #34 | 5,200 | 12733081 |
| 442032 | Nov 17, 1995 | Nov 17, 1995 | Columbia Gas Development Corp. | Dimmit Woods #1AH | 7,200 | 12733021 |
| 441778 | Nov 17, 1995 | Nov 17, 1995 | Kerns O & G, Inc. | Briscoe Ranch #35 | 5,200 | 12733082 |
| 439670 | Nov 6, 1995 | Nov 6, 1995 | CLS Interests, Incorporated | Amman, W.C. #1 | 3,000 | 12731065 |