| 431510 | Jan 3, 1995 | Jan 3, 1995 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #182W | 5,850 | 50133966 |
| 431509 | Jan 3, 1995 | Jan 3, 1995 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #168 | 5,850 | 50133968 |
| 431508 | Jan 3, 1995 | Jan 3, 1995 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #157 | 5,850 | 50133967 |
| 431262 | Dec 22, 1994 | Dec 22, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #154 | 5,850 | 50133964 |
| 431261 | Dec 22, 1994 | Dec 22, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #161 | 5,850 | 50133963 |
| 430863 | Dec 12, 1994 | Dec 12, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #170 | 5,850 | 50133954 |
| 430862 | Dec 12, 1994 | Dec 12, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #155 | 5,850 | 50133953 |
| 426112 | Jul 22, 1994 | Jul 22, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #164 | 5,850 | 50133927 |
| 426111 | Jul 22, 1994 | Jul 22, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #209 | 5,850 | 50133926 |
| 426110 | Jul 22, 1994 | Jul 22, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #199 | 5,850 | 50133925 |
| 424813 | Jun 14, 1994 | Jun 14, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #201 | 5,850 | 50133922 |
| 424664 | Jun 9, 1994 | Jun 9, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #171 | 5,850 | 50133918 |
| 424663 | Jun 9, 1994 | Jun 9, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #173 | 5,850 | 50133917 |
| 424662 | Jun 9, 1994 | Jun 9, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #48A | 5,850 | 50133920 |
| 424661 | Jun 9, 1994 | Jun 9, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #183 | 5,850 | 50133919 |
| 424660 | Jun 9, 1994 | Jun 9, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #162 | 5,850 | 50133916 |
| 424426 | Jun 1, 1994 | Jun 1, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #190 | 5,850 | 50133915 |
| 424425 | Jun 1, 1994 | Jun 1, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #177 | 5,850 | 50133914 |
| 424386 | Jun 1, 1994 | Jun 1, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #159 | 5,850 | 50133913 |
| 423910 | May 16, 1994 | May 16, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #187 | 5,850 | 50133907 |
| 423908 | May 16, 1994 | May 16, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #185 | 5,850 | 50133906 |
| 423612 | May 12, 1994 | May 12, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #181 | 5,850 | 50133904 |
| 423613 | May 5, 1994 | May 5, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #174W | 5,850 | 50133905 |
| 423613Amendment | May 5, 1994 | May 5, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #174W | 5,800 | 50133905 |
| 421619 | Mar 3, 1994 | Mar 3, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #172 | 5,850 | 50133894 |
| 421618 | Mar 3, 1994 | Mar 3, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #194 | 5,850 | 50133893 |
| 421617 | Mar 3, 1994 | Mar 3, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #188 | 5,850 | 50133892 |
| 421620 | Mar 2, 1994 | Mar 2, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #166 | 5,850 | 50133895 |
| 420994 | Feb 11, 1994 | Feb 11, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #149 | 5,850 | 50133891 |
| 420993 | Feb 11, 1994 | Feb 11, 1994 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #175 | 5,850 | 50133890 |
| 413020 | Jun 22, 1993 | Jun 22, 1993 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #36A | 5,850 | 50133857 |
| 413019 | Jun 22, 1993 | Jun 22, 1993 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #110A | 5,850 | 50133858 |
| 413018 | Jun 22, 1993 | Jun 22, 1993 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #147 | 5,850 | 50133853 |
| 413017 | Jun 22, 1993 | Jun 22, 1993 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #148 | 5,850 | 50133851 |
| 413016 | Jun 22, 1993 | Jun 22, 1993 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #150 | 5,850 | 50133856 |
| 413015 | Jun 22, 1993 | Jun 22, 1993 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #151 | 5,850 | 50133854 |
| 413014 | Jun 22, 1993 | Jun 22, 1993 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #152 | 5,850 | 50134070 |
| 413013 | Jun 22, 1993 | Jun 22, 1993 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #153 | 5,850 | 50133852 |
| 412392 | Jun 4, 1993 | Jun 4, 1993 | Santa FE Energy Oper. Part., LP | Yoakum | Hartman #1 | 5,900 | 50133846 |
| 403836 | Sep 28, 1992 | Sep 28, 1992 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #68AW | 5,800 | 50133794 |
| 403836Amendment | Sep 28, 1992 | Sep 28, 1992 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #68AW | 5,835 | 50133794 |
| 398464 | Apr 16, 1992 | Apr 16, 1992 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #146 | 5,800 | 50133783 |
| 398463 | Apr 16, 1992 | Apr 16, 1992 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #145 | 5,800 | 50133782 |
| 398463Amendment | Apr 16, 1992 | Apr 16, 1992 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #145 | 6,100 | 50133782 |
| 396092 | Feb 19, 1992 | Feb 19, 1992 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #144 | 5,800 | 50133769 |
| 396091 | Jan 30, 1992 | Jan 30, 1992 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #17A | 5,800 | 50133768 |
| 395146 | Dec 16, 1991 | Dec 16, 1991 | Santa FE Energy Oper. Part., LP | Duval | Looney #2 | 6,062 | 13136098 |
| 387965 | May 17, 1991 | May 17, 1991 | Santa FE Energy Oper. Part., LP | Stonewall | Duda #1 | 6,690 | 43332462 |
| 384942 | Feb 21, 1991 | Feb 21, 1991 | Santa FE Energy Oper. Part., LP | Karnes | Thomas et Al #1H | 15,700 | 25531282 |
| 383474 | Feb 15, 1991 | Feb 15, 1991 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #137 | 5,720 | 50133642 |
| 383486 | Feb 7, 1991 | Feb 7, 1991 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #141 | 5,720 | 50133640 |
| 383485 | Feb 7, 1991 | Feb 7, 1991 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #139 | 5,720 | 50133641 |
| 383484 | Feb 7, 1991 | Feb 7, 1991 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #138 | 5,720 | 50133643 |
| 383487 | Jan 24, 1991 | Jan 24, 1991 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #142 | 5,720 | 50133639 |
| 382649 | Dec 21, 1990 | Dec 21, 1990 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #82A | 5,720 | 50133635 |
| 382648 | Dec 21, 1990 | Dec 21, 1990 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #143 | 5,700 | 50133636 |
| 382388 | Dec 17, 1990 | Dec 17, 1990 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #140 | 5,700 | 50133633 |
| 382093 | Dec 7, 1990 | Dec 7, 1990 | Santa FE Energy Oper. Part., LP | Gonzales | Patteson #1H | 12,000 | 17731845 |
| 382093Amendment | Dec 7, 1990 | Dec 7, 1990 | Santa FE Energy Oper. Part., LP | Gonzales | Patteson #1H | 12,000 | 17731845 |
| 382093Amendment | Dec 7, 1990 | Dec 7, 1990 | Santa FE Energy Oper. Part., LP | Gonzales | Patteson #1H | 9,181 | 17731845 |
| 381044 | Nov 19, 1990 | Nov 19, 1990 | Santa FE Energy Oper. Part., LP | Duval | Santa FE Energy - Hamilton #1 | 17,000 | 13137435 |
| 380219 | Oct 30, 1990 | Oct 30, 1990 | Santa FE Energy Oper. Part., LP | Gonzales | Gescheidle #1H | 6,800 | 17731823 |
| 380219Amendment | Oct 30, 1990 | Oct 30, 1990 | Santa FE Energy Oper. Part., LP | Gonzales | Gescheidle #1H | 6,950 | 17731823 |
| 378497 | Sep 25, 1990 | Sep 25, 1990 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #136W | 5,720 | 50133609 |
| 378497Amendment | Sep 25, 1990 | Sep 25, 1990 | Santa FE Energy Oper. Part., LP | Yoakum | Reeves Unit #136W | 5,720 | 50133609 |
| 378288 | Sep 21, 1990 | Sep 21, 1990 | Santa FE Energy Oper. Part., LP | Gonzales | Cook, Elvin #1H | 6,300 | 17731813 |
| 378288Amendment | Sep 21, 1990 | Sep 21, 1990 | Santa FE Energy Oper. Part., LP | Gonzales | Cook, Elvin #1H | 10,202 | 17731813 |
| 376035 | Jul 30, 1990 | Jul 30, 1990 | Santa FE Energy Oper. Part., LP | Gonzales | Meneley #1H | 12,000 | 17731793 |
| 376035Amendment | Jul 30, 1990 | Jul 30, 1990 | Santa FE Energy Oper. Part., LP | Gonzales | Meneley #1H | 12,000 | 17731793 |
| 375547 | Jul 16, 1990 | Jul 16, 1990 | Santa FE Energy Oper. Part., LP | Galveston-SB | State Tract 293-S #1 | 9,000 | 60530157 |
| 375546 | Jul 16, 1990 | Jul 16, 1990 | Santa FE Energy Oper. Part., LP | Galveston-SB | State Tract 315-S #1 | 9,000 | 60530156 |
| 372434 | Apr 20, 1990 | Apr 20, 1990 | Santa FE Energy Oper. Part., LP | Stonewall | Michael and Lindsey #1 | 6,600 | 43332607 |
| 370606 | Mar 6, 1990 | Mar 6, 1990 | Santa FE Energy Oper. Part., LP | Lamar | Read, W. K. Jr. et Al #1 | 6,500 | 27730113 |
| 370261 | Mar 2, 1990 | Mar 2, 1990 | Santa FE Energy Oper. Part., LP | Aransas | State Tract 255 #1 | 11,650 | 00730788 |
| 370261Amendment | Mar 2, 1990 | Mar 2, 1990 | Santa FE Energy Oper. Part., LP | Aransas | State Tract 256 #1 | 12,300 | 00730788 |
| 370261Amendment | Mar 2, 1990 | Mar 2, 1990 | Santa FE Energy Oper. Part., LP | Aransas | State Tract 256 #1 | 13,300 | 00730788 |
| 368538 | Jan 15, 1990 | Jan 15, 1990 | Santa FE Energy Oper. Part., LP | Nolan | Marshall Pior #1 | 6,500 | 35332128 |
| 367536 | Dec 14, 1989 | Dec 14, 1989 | Santa FE Energy Oper. Part., LP | Chambers | Leggett #1 | 13,500 | 07131918 |
| 367536Amendment | Dec 14, 1989 | Dec 14, 1989 | Santa FE Energy Oper. Part., LP | Chambers | Leggett #1 | 15,500 | 07131918 |
| 366713 | Nov 20, 1989 | Nov 20, 1989 | Santa FE Energy Oper. Part., LP | Knox | Carroll Ranch #1 | 7,000 | 27531935 |
| 364180 | Oct 2, 1989 | Oct 2, 1989 | Santa FE Energy Oper. Part., LP | Webb | McLean, Marrs Trust #1 | 17,000 | 47934916 |
| 363078 | Aug 24, 1989 | Aug 24, 1989 | Santa FE Energy Oper. Part., LP | Nolan | Pior #1 | 6,500 | 35332111 |
| 360776 | Aug 4, 1989 | Aug 4, 1989 | Santa FE Energy Oper. Part., LP | Hardin | Arco Fee #2 | 13,500 | 19932545 |
| 358502 | May 26, 1989 | May 26, 1989 | Santa FE Energy Oper. Part., LP | Stonewall | Hallford #2 | 6,550 | 43332502 |
| 359175 | May 12, 1989 | May 12, 1989 | Santa FE Energy Oper. Part., LP | Chambers | Johnson, C. G. #1 | 15,000 | 07131902 |
| 358940 | May 8, 1989 | May 8, 1989 | Santa FE Energy Oper. Part., LP | Stonewall | Duda #4 | 6,550 | 43332504 |
| 358940Amendment | May 8, 1989 | May 8, 1989 | Santa FE Energy Oper. Part., LP | Stonewall | Duda #4 | 6,550 | 43332504 |
| 358705 | Apr 28, 1989 | Apr 28, 1989 | Santa FE Energy Oper. Part., LP | Stonewall | Duda #3 | 6,550 | 43332500 |
| 358246 | Apr 17, 1989 | Apr 17, 1989 | Santa FE Energy Oper. Part., LP | Stonewall | Duda #2 | 6,550 | 43332498 |
| 356428 | Mar 1, 1989 | Mar 1, 1989 | Santa FE Energy Oper. Part., LP | Crockett | Toddito #1 | 6,500 | 10535599 |
| 356428Amendment | Mar 1, 1989 | Mar 1, 1989 | Santa FE Energy Oper. Part., LP | Crockett | Toddito #1 | 7,800 | 10535599 |
| 355535 | Jan 26, 1989 | Jan 26, 1989 | Santa FE Energy Oper. Part., LP | Stonewall | Clements, J. H. #1 | 6,550 | 43332476 |
| 354404 | Dec 20, 1988 | Dec 20, 1988 | Santa FE Energy Oper. Part., LP | Gaines | McIlvain #1 | 13,300 | 16534015 |
| 354114 | Dec 12, 1988 | Dec 12, 1988 | Santa FE Energy Oper. Part., LP | Stonewall | Greubel & Duda #1 | 7,000 | 43332462 |
| 354114Amendment | Dec 12, 1988 | Dec 12, 1988 | Santa FE Energy Oper. Part., LP | Stonewall | Greubel & Duda #1 | 7,000 | 43332462 |
| 353823 | Dec 1, 1988 | Dec 1, 1988 | Santa FE Energy Oper. Part., LP | Wheeler | Britt Ranch "I" #24 | 13,000 | 48331395 |
| 353383 | Nov 17, 1988 | Nov 17, 1988 | Santa FE Energy Oper. Part., LP | Karnes | Thorp, Lucille C. #1 | 13,500 | 25531208 |
| 351042 | Sep 9, 1988 | Sep 9, 1988 | Santa FE Energy Oper. Part., LP | Stonewall | Hallford #1 | 6,400 | 43332435 |
| 349982 | Aug 11, 1988 | Aug 11, 1988 | Santa FE Energy Oper. Part., LP | Bee | Simons #1 | 15,000 | 02532480 |
| 349982Amendment | Aug 11, 1988 | Aug 11, 1988 | Santa FE Energy Oper. Part., LP | Bee | Simons #1 | 16,000 | 02532480 |