| 515795 | Dec 28, 2001 | Dec 28, 2001 | KCS Medallion Resources, Inc. | Sutton | Genini 128 #2 | 6,580 | 43535696 |
| 513150 | Aug 29, 2001 | Aug 29, 2001 | KCS Medallion Resources, Inc. | Edwards | Cloudt "A" #1069 | 6,000 | 13731614 |
| 513149 | Aug 29, 2001 | Aug 29, 2001 | KCS Medallion Resources, Inc. | Edwards | Cloudt 'B" #104 | 6,000 | 13731613 |
| 509457 | May 25, 2001 | May 25, 2001 | KCS Medallion Resources, Inc. | Sutton | Miers a 82 #18 | 6,000 | 43535522 |
| 509396 | May 24, 2001 | May 24, 2001 | KCS Medallion Resources, Inc. | Sutton | Genini #3707 | 6,800 | 43535521 |
| 509395 | May 24, 2001 | May 24, 2001 | KCS Medallion Resources, Inc. | Sutton | Genini #3806 | 6,800 | 43535520 |
| 505325 | Feb 14, 2001 | Feb 14, 2001 | KCS Medallion Resources, Inc. | Sutton | Miers A #1409 | 5,700 | 43535375 |
| 503970 | Jan 11, 2001 | Jan 11, 2001 | KCS Medallion Resources, Inc. | Sutton | Genini #3805 | 6,700 | 43535346 |
| 503969 | Jan 11, 2001 | Jan 11, 2001 | KCS Medallion Resources, Inc. | Sutton | Genini #3706 | 6,700 | 43535345 |
| 502237 | Dec 27, 2000 | Dec 27, 2000 | KCS Medallion Resources, Inc. | Sutton | Jones 121 #17 | 6,750 | 43535301 |
| 501944 | Dec 19, 2000 | Dec 19, 2000 | KCS Medallion Resources, Inc. | Sutton | Jones 119 #16 | 6,450 | 43535298 |
| 501944Amendment | Dec 19, 2000 | Dec 19, 2000 | KCS Medallion Resources, Inc. | Sutton | Jones 119 #16 | 6,450 | 43535298 |
| 501944Amendment | Dec 19, 2000 | Dec 19, 2000 | KCS Medallion Resources, Inc. | Sutton | Jones 119 #16 | 6,650 | 43535298 |
| 502053 | Dec 5, 2000 | Dec 5, 2000 | KCS Medallion Resources, Inc. | Sutton | Miers A #1520 | 5,800 | 43535299 |
| 502259 | Nov 21, 2000 | Nov 21, 2000 | KCS Medallion Resources, Inc. | Sutton | Genini #3804 | 6,300 | 43535302 |
| 502258 | Nov 21, 2000 | Nov 21, 2000 | KCS Medallion Resources, Inc. | Sutton | Sawyer 129 #13 | 7,150 | 43535303 |
| 501836 | Nov 10, 2000 | Nov 10, 2000 | KCS Medallion Resources, Inc. | Sutton | Sawyer 113 #15 | 6,850 | 43535294 |
| 501833 | Nov 10, 2000 | Nov 10, 2000 | KCS Medallion Resources, Inc. | Sutton | Shurley B 97 #16 | 6,350 | 43535293 |
| 500701 | Nov 6, 2000 | Nov 6, 2000 | KCS Medallion Resources, Inc. | Sutton | Jones 121 #16 | 6,400 | 43535264 |
| 501349 | Oct 27, 2000 | Oct 27, 2000 | KCS Medallion Resources, Inc. | Panola | Shaw Heirs #2 | 7,300 | 36534554 |
| 501071 | Oct 20, 2000 | Oct 20, 2000 | KCS Medallion Resources, Inc. | Sutton | Genini #3803 | 6,600 | 43535267 |
| 500393 | Oct 4, 2000 | Oct 4, 2000 | KCS Medallion Resources, Inc. | Sutton | Sawyer a 144 #17 | 7,050 | 43535253 |
| 500365 | Oct 3, 2000 | Oct 3, 2000 | KCS Medallion Resources, Inc. | Sutton | Espy, H. T. #909 | 5,800 | 43535252 |
| 500248 | Oct 2, 2000 | Oct 2, 2000 | KCS Medallion Resources, Inc. | Sutton | Genini #3309 | 6,800 | 43535249 |
| 498282 | Sep 6, 2000 | Sep 6, 2000 | KCS Medallion Resources, Inc. | Sutton | Jones 97 #14 | 6,400 | 43535218 |
| 498280 | Sep 6, 2000 | Sep 6, 2000 | KCS Medallion Resources, Inc. | Sutton | Jones 97 #12 | 6,800 | 43535217 |
| 498079 | Sep 5, 2000 | Sep 5, 2000 | KCS Medallion Resources, Inc. | Sutton | Miers A #1519 | 5,800 | 43535211 |
| 497670 | Aug 22, 2000 | Aug 22, 2000 | KCS Medallion Resources, Inc. | Sutton | Reed, Frank 117 #17 | 6,700 | 43535189 |
| 498318 | Aug 10, 2000 | Aug 10, 2000 | KCS Medallion Resources, Inc. | Sutton | Espy #3303 | 5,800 | 43535221 |
| 498300 | Aug 9, 2000 | Aug 9, 2000 | KCS Medallion Resources, Inc. | Sutton | Cusenbary, W. R. -A- #3802 | 5,800 | 43535220 |
| 498281 | Aug 9, 2000 | Aug 9, 2000 | KCS Medallion Resources, Inc. | Sutton | Sawyer 143 #17 | 7,200 | 43535219 |
| 498281Amendment | Aug 9, 2000 | Aug 9, 2000 | KCS Medallion Resources, Inc. | Sutton | Sawyer 143 #17 | 7,200 | 43535219 |
| 498281Amendment | Aug 9, 2000 | Aug 9, 2000 | KCS Medallion Resources, Inc. | Sutton | Sawyer 143 #17 | 7,200 | 43535219 |
| 498182 | Aug 7, 2000 | Aug 7, 2000 | KCS Medallion Resources, Inc. | Sutton | Genini #3308 | 5,800 | 43535215 |
| 498181 | Aug 7, 2000 | Aug 7, 2000 | KCS Medallion Resources, Inc. | Sutton | Genini #3307 | 5,800 | 43535214 |
| 498081 | Aug 4, 2000 | Aug 4, 2000 | KCS Medallion Resources, Inc. | Sutton | Sawyer 145 #16 | 7,200 | 43535213 |
| 498080 | Aug 4, 2000 | Aug 4, 2000 | KCS Medallion Resources, Inc. | Sutton | Miers A #1521 | 5,800 | 43535212 |
| 498080Amendment | Aug 4, 2000 | Aug 4, 2000 | KCS Medallion Resources, Inc. | Sutton | Miers A #1521 | 6,100 | 43535212 |
| 497734 | Jul 27, 2000 | Jul 27, 2000 | KCS Medallion Resources, Inc. | Sutton | Sawyer 145 #15 | 7,000 | 43535192 |
| 497668 | Jul 26, 2000 | Jul 26, 2000 | KCS Medallion Resources, Inc. | Sutton | Miers A #1518 | 6,000 | 43535188 |
| 497496 | Jul 21, 2000 | Jul 21, 2000 | KCS Medallion Resources, Inc. | Sutton | Miers A #1 | 6,200 | 43500255 |
| 497434 | Jul 20, 2000 | Jul 20, 2000 | KCS Medallion Resources, Inc. | Sutton | McMillan, W. B. #4 | 5,700 | 43535180 |
| 494491 | Apr 27, 2000 | Apr 27, 2000 | KCS Medallion Resources, Inc. | Kleberg | State Tract 924-S #1 | 10,800 | 27332299 |
| 493611 | Mar 29, 2000 | Mar 29, 2000 | KCS Medallion Resources, Inc. | Sutton | Epps, Hattie "D" #4 | 6,400 | 43535114 |
| 493593 | Mar 29, 2000 | Mar 29, 2000 | KCS Medallion Resources, Inc. | Sutton | Genini #3306 | 5,800 | 43535113 |
| 493148 | Mar 22, 2000 | Mar 22, 2000 | KCS Medallion Resources, Inc. | Jackson | Vincik, A.R. #1 | 7,070 | 23932930 |
| 493254 | Mar 20, 2000 | Mar 20, 2000 | KCS Medallion Resources, Inc. | Sutton | Miers A #1517 | 5,600 | 43535097 |
| 493253 | Mar 20, 2000 | Mar 20, 2000 | KCS Medallion Resources, Inc. | Sutton | Miers A #1516 | 5,600 | 43535096 |
| 488950 | Oct 27, 1999 | Oct 27, 1999 | KCS Medallion Resources, Inc. | Sutton | Miers A #8 | 5,600 | 43535018 |
| 488910 | Oct 27, 1999 | Oct 27, 1999 | KCS Medallion Resources, Inc. | Sutton | Genini #3305 | 6,700 | 43535017 |
| 488909 | Oct 27, 1999 | Oct 27, 1999 | KCS Medallion Resources, Inc. | Sutton | Miers A #1515 | 5,700 | 43535016 |
| 488471 | Oct 13, 1999 | Oct 13, 1999 | KCS Medallion Resources, Inc. | Panola | Shaw Heirs #1 | 9,000 | 36534159 |
| 487093 | Sep 8, 1999 | Sep 8, 1999 | KCS Medallion Resources, Inc. | Jackson | Vincik, A. R. #1 | 7,070 | 23932930 |
| 485956 | Jul 23, 1999 | Jul 23, 1999 | KCS Medallion Resources, Inc. | Yoakum | Wayne #1 | 9,100 | 50134355 |
| 484381 | May 12, 1999 | May 12, 1999 | KCS Medallion Resources, Inc. | Galveston | Stewart, Maco "a" a/C 1 #32 | 8,852 | 16701564 |
| 484283 | May 4, 1999 | May 4, 1999 | KCS Medallion Resources, Inc. | Panola | Shaw Heirs #1 | 9,000 | 36534159 |
| 483522 | Apr 1, 1999 | Apr 1, 1999 | KCS Medallion Resources, Inc. | Galveston | Dickinson Gas Unit #10 | 7,849 | 16701035 |
| 483489 | Mar 29, 1999 | Mar 29, 1999 | KCS Medallion Resources, Inc. | Sutton | Sawyer 169 #3 | 3,800 | 43533543 |
| 482872 | Mar 12, 1999 | Mar 12, 1999 | KCS Medallion Resources, Inc. | Wheeler | Bryant #52 #1 | 12,700 | 48331567 |
| 478959 | Nov 3, 1998 | Nov 3, 1998 | KCS Medallion Resources, Inc. | Galveston | Bayou Dev. Co. B #16 | 9,400 | 16730662 |
| 478594 | Sep 21, 1998 | Sep 21, 1998 | KCS Medallion Resources, Inc. | Galveston | Dickinson Gas Unit No. 1 #3 | 9,640 | 16701028 |
| 478594Amendment | Sep 21, 1998 | Sep 21, 1998 | KCS Medallion Resources, Inc. | Galveston | Dickinson Gas Unit No. 1 #3 | 9,640 | 16701028 |
| 478480 | Aug 5, 1998 | Aug 5, 1998 | KCS Medallion Resources, Inc. | Galveston | Bayou Development Company B #15F | 9,000 | 16702095 |
| 476846 | Aug 3, 1998 | Aug 3, 1998 | KCS Medallion Resources, Inc. | Galveston | Bayou Development Company B #17 | 8,600 | 16730837 |
| 476846Amendment | Aug 3, 1998 | Aug 3, 1998 | KCS Medallion Resources, Inc. | Galveston | Bayou Development Company B #17 | 8,600 | 16730837 |
| 477867 | Jul 17, 1998 | Jul 17, 1998 | KCS Medallion Resources, Inc. | Ochiltree | Smith, Leroy E. #3B | 8,296 | 35732066 |
| 477267 | Jun 26, 1998 | Jun 26, 1998 | KCS Medallion Resources, Inc. | Sutton | Genini #3705 | 6,650 | 43534850 |
| 477264 | Jun 24, 1998 | Jun 24, 1998 | KCS Medallion Resources, Inc. | Galveston | Dickinson Oil Unit 1 #3 | 9,700 | 16730589 |
| 476579 | Jun 5, 1998 | Jun 5, 1998 | KCS Medallion Resources, Inc. | Galveston | Bayou B #5 #10 | 9,350 | 16701035 |
| 476579Amendment | Jun 5, 1998 | Jun 5, 1998 | KCS Medallion Resources, Inc. | Galveston | Dickinson Gas Unit #10 | 7,849 | 16701035 |
| 473773 | Feb 25, 1998 | Feb 25, 1998 | KCS Medallion Resources, Inc. | Lipscomb | Ballard #1 | 10,900 | 29532427 |
| 472605 | Jan 27, 1998 | Jan 27, 1998 | KCS Medallion Resources, Inc. | Sutton | Genini #3704 | 6,700 | 43534790 |
| 470859 | Dec 5, 1997 | Dec 5, 1997 | KCS Medallion Resources, Inc. | Sutton | Genini #3303 | 6,700 | 43534771 |
| 468228 | Sep 30, 1997 | Sep 30, 1997 | KCS Medallion Resources, Inc. | Sutton | Berger "A" #4 | 6,450 | 43534751 |
| 468199 | Sep 30, 1997 | Sep 30, 1997 | KCS Medallion Resources, Inc. | Sutton | Genini #3703 | 6,700 | 43534750 |
| 463649 | Jun 11, 1997 | Jun 11, 1997 | KCS Medallion Resources, Inc. | Calhoun | Doremus, J. W. #2 | 9,000 | 05731560 |
| 463649Amendment | Jun 11, 1997 | Jun 11, 1997 | KCS Medallion Resources, Inc. | Calhoun | Doremus, J. W. #2 | 9,000 | 05731560 |
| 463649Amendment | Jun 11, 1997 | Jun 11, 1997 | KCS Medallion Resources, Inc. | Calhoun | Doremus, J. W. #2 | 8,430 | 05731560 |
| 450575Amendment | Sep 5, 1996 | Sep 5, 1996 | KCS Medallion Resources, Inc. | Henderson | Manoy #1 | 10,600 | 21330766 |
| 387720Amendment | May 14, 1991 | May 14, 1991 | KCS Medallion Resources, Inc. | Sutton | Miers A #1514 | 6,050 | 43533789 |
| 37325Amendment | Nov 21, 1978 | Nov 21, 1978 | KCS Medallion Resources, Inc. | Sutton | Reed, Frank 117 #2 | 6,800 | 43532115 |