| 602796 | Jun 30, 2005 | Jun 30, 2005 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #1A | 6,000 | 14933152 |
| 601776 | Jun 9, 2005 | Jun 9, 2005 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #4 | 6,500 | 14933146 |
| 601775 | Jun 9, 2005 | Jun 9, 2005 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #3 | 6,500 | 14933144 |
| 601773 | Jun 9, 2005 | Jun 9, 2005 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #2A | 6,500 | 14933141 |
| 601771 | Jun 9, 2005 | Jun 9, 2005 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #1 | 6,500 | 14933137 |
| 558461 | Mar 3, 2005 | Mar 3, 2005 | Geonatural Resources, Inc. | Fayette | Geo-Navarro #1 | 6,500 | 14933151 |
| 554079 | Nov 24, 2004 | Nov 24, 2004 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #5 | 5,500 | 14933150 |
| 549785 | Aug 19, 2004 | Aug 19, 2004 | Geonatural Resources, Inc. | Fayette | Geo-Adams #1 | 6,000 | 14933147 |
| 549785Amendment | Aug 19, 2004 | Aug 19, 2004 | Geonatural Resources, Inc. | Fayette | Geo-Shereda #1 | 6,000 | 14933147 |
| 549723 | Aug 18, 2004 | Aug 18, 2004 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #4 | 6,000 | 14933146 |
| 548395 | Jul 19, 2004 | Jul 19, 2004 | Geonatural Resources, Inc. | Fayette | Derry #1 | 11,400 | 14932583 |
| 547254 | Jun 22, 2004 | Jun 22, 2004 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #3 | 6,000 | 14933144 |
| 545550 | May 11, 2004 | May 11, 2004 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #2 A | 6,000 | 14933141 |
| 542428 | Feb 24, 2004 | Feb 24, 2004 | Geonatural Resources, Inc. | Fayette | Geo-Wilcox #1 | 6,000 | 14933137 |
| 539068 | Nov 26, 2003 | Nov 26, 2003 | Geonatural Resources, Inc. | Jackson | Geo-Goldenrod #7 | 5,000 | 23933243 |
| 539067 | Nov 26, 2003 | Nov 26, 2003 | Geonatural Resources, Inc. | Jackson | Geo-Goldenrod #6 | 5,000 | 23933242 |
| 538615 | Nov 14, 2003 | Nov 14, 2003 | Geonatural Resources, Inc. | Jackson | Geo-Goldenrod #05 | 5,000 | 23933241 |
| 536532 | Sep 17, 2003 | Sep 17, 2003 | Geonatural Resources, Inc. | Jackson | Geo-Goldenrod #04 | 5,000 | 23933236 |
| 536531 | Sep 17, 2003 | Sep 17, 2003 | Geonatural Resources, Inc. | Jackson | Geo-Goldenrod #02 | 5,000 | 23933235 |
| 535503 | Aug 19, 2003 | Aug 19, 2003 | Geonatural Resources, Inc. | Jackson | Geo-Goldenrod #3 | 7,500 | 23933229 |
| 533924 | Jul 1, 2003 | Jul 1, 2003 | Geonatural Resources, Inc. | Jackson | Geo-Goldenrod #1 | 7,500 | 23933224 |
| 530939 | Apr 28, 2003 | Apr 28, 2003 | Geonatural Resources, Inc. | Jackson | Geo-BP / Amoco et al Fee #1 | 7,500 | 23933212 |
| 528160 | Feb 6, 2003 | Feb 6, 2003 | Geonatural Resources, Inc. | Goliad | Geo-Goliad #04 | 6,500 | 17533489 |
| 527108 | Jan 9, 2003 | Jan 9, 2003 | Geonatural Resources, Inc. | Goliad | Geo-Goliad #3 | 4,100 | 17533486 |
| 526825 | Dec 31, 2002 | Dec 31, 2002 | Geonatural Resources, Inc. | Goliad | Geo-Goliad #2 | 4,100 | 17533485 |
| 524434 | Oct 8, 2002 | Oct 8, 2002 | Geonatural Resources, Inc. | Goliad | Geo-Goliad #1 | 6,500 | 17533463 |
| 524434Amendment | Oct 8, 2002 | Oct 8, 2002 | Geonatural Resources, Inc. | Goliad | Geo-Goliad #1 | 6,500 | 17533463 |
| 523056 | Aug 23, 2002 | Aug 23, 2002 | Geonatural Resources, Inc. | Lavaca | Geo Hope #5 | 8,500 | 28532985 |
| 522488 | Aug 5, 2002 | Aug 5, 2002 | Geonatural Resources, Inc. | Lavaca | Geo-Hope #4 | 5,300 | 28532979 |
| 521338 | Jun 25, 2002 | Jun 25, 2002 | Geonatural Resources, Inc. | Zapata | Geo-Falcon #1 | 5,500 | 50534573 |
| 519401 | Apr 24, 2002 | Apr 24, 2002 | Geonatural Resources, Inc. | Lavaca | Geo-Hope #3 | 3,500 | 28532959 |
| 519400 | Apr 24, 2002 | Apr 24, 2002 | Geonatural Resources, Inc. | Lavaca | Geo-Hope #2 | 3,500 | 28532958 |
| 517538 | Feb 12, 2002 | Feb 12, 2002 | Geonatural Resources, Inc. | Lavaca | Geo-Hope #1 | 5,300 | 28532950 |
| 515583 | Dec 4, 2001 | Dec 4, 2001 | Geonatural Resources, Inc. | Victoria | City of Inez No. 1 Gas Well #6 | 6,000 | 46933626 |
| 515101 | Nov 7, 2001 | Nov 7, 2001 | Geonatural Resources, Inc. | Victoria | City of Inez No. 1 Gas Unit #1B | 6,000 | 46933623 |
| 509031 | May 16, 2001 | May 16, 2001 | Geonatural Resources, Inc. | Victoria | McCord #2 | 6,500 | 46933587 |
| 507706 | Apr 12, 2001 | Apr 12, 2001 | Geonatural Resources, Inc. | Victoria | McCord #1 | 6,500 | 46933580 |
| 500609 | Oct 10, 2000 | Oct 10, 2000 | Geonatural Resources, Inc. | Victoria | Baros #2 | 6,500 | 46933526 |
| 500609Amendment | Oct 10, 2000 | Oct 10, 2000 | Geonatural Resources, Inc. | Victoria | Baros #2 | 6,500 | 46933526 |
| 497947 | Aug 1, 2000 | Aug 1, 2000 | Geonatural Resources, Inc. | Victoria | City of Inez #1 | 10,000 | 46933504 |
| 497947Amendment | Aug 1, 2000 | Aug 1, 2000 | Geonatural Resources, Inc. | Victoria | City of Inez #1 | 10,000 | 46933504 |
| 496301 | Jun 19, 2000 | Jun 19, 2000 | Geonatural Resources, Inc. | Martin | Geo-Permian West #2 | 10,150 | 31734284 |
| 494424 | Apr 25, 2000 | Apr 25, 2000 | Geonatural Resources, Inc. | Martin | Geo-Permian East #1501 | 10,150 | 31734273 |
| 494423 | Apr 25, 2000 | Apr 25, 2000 | Geonatural Resources, Inc. | Martin | Geo-Permian East #1502 | 10,150 | 31734274 |
| 493416 | Mar 24, 2000 | Mar 24, 2000 | Geonatural Resources, Inc. | Martin | Geo-Permian West #1 | 10,150 | 31734268 |
| 492461 | Feb 25, 2000 | Feb 25, 2000 | Geonatural Resources, Inc. | Martin | Geo-Permian East "1-S" #1 | 10,150 | 31734265 |
| 492368 | Feb 23, 2000 | Feb 23, 2000 | Geonatural Resources, Inc. | Martin | Geo-Arco 44 #4402 | 10,150 | 31734264 |
| 492367 | Feb 23, 2000 | Feb 23, 2000 | Geonatural Resources, Inc. | Martin | Geo-Permian East "1" #1 | 10,150 | 31734263 |
| 490651 | Dec 27, 1999 | Dec 27, 1999 | Geonatural Resources, Inc. | Webb | Bruni Mecom #1 | 8,000 | 47937393 |
| 490231 | Dec 10, 1999 | Dec 10, 1999 | Geonatural Resources, Inc. | Martin | Geo-Arco 44 #4401 | 10,150 | 31734255 |
| 489761 | Nov 23, 1999 | Nov 23, 1999 | Geonatural Resources, Inc. | Martin | Geo-Arco 42 #4201 | 10,150 | 31734244 |
| 488905 | Oct 27, 1999 | Oct 27, 1999 | Geonatural Resources, Inc. | Martin | Geo-Arco 32 #3201 | 10,150 | 31734242 |
| 487883 | Sep 23, 1999 | Sep 23, 1999 | Geonatural Resources, Inc. | Webb | Ortiz Ranch #6 | 7,500 | 47937354 |
| 485761 | Jul 9, 1999 | Jul 9, 1999 | Geonatural Resources, Inc. | Webb | Ortiz Ranch #5 | 7,500 | 47937306 |
| 485595 | Jul 1, 1999 | Jul 1, 1999 | Geonatural Resources, Inc. | Webb | Ortiz Ranch #4 | 7,500 | 47937299 |
| 484800 | May 26, 1999 | May 26, 1999 | Geonatural Resources, Inc. | Webb | Ortiz Ranch #3 | 7,500 | 47937280 |
| 483822 | Apr 13, 1999 | Apr 13, 1999 | Geonatural Resources, Inc. | Webb | Ortiz Ranch #2 | 7,500 | 47937254 |
| 483167 | Mar 9, 1999 | Mar 9, 1999 | Geonatural Resources, Inc. | Pecos | Geo-Marathon 16 #1602 | 4,999 | 37136899 |
| 483167Amendment | Mar 9, 1999 | Mar 9, 1999 | Geonatural Resources, Inc. | Pecos | Geo-Marathon 16 #1602 | 7,000 | 37136899 |
| 482884 | Feb 23, 1999 | Feb 23, 1999 | Geonatural Resources, Inc. | Pecos | Geo-Marathon 17 #1701 | 5,500 | 37136896 |
| 482296 | Jan 27, 1999 | Jan 27, 1999 | Geonatural Resources, Inc. | Pecos | Geo-Marathon 16 #1601 | 4,999 | 37136894 |
| 481221 | Dec 2, 1998 | Dec 2, 1998 | Geonatural Resources, Inc. | Pecos | Geo-Marathon 15 #1 | 4,999 | 37136883 |
| 479289 | Sep 4, 1998 | Sep 4, 1998 | Geonatural Resources, Inc. | Palo Pinto | Doan #1A | 1,000 | 36334793 |
| 478717 | Aug 13, 1998 | Aug 13, 1998 | Geonatural Resources, Inc. | Palo Pinto | Doan #1 | 4,999 | 36334787 |
| 478362 | Jul 30, 1998 | Jul 30, 1998 | Geonatural Resources, Inc. | Palo Pinto | Cone #902A | 1,000 | 36334783 |
| 478362Amendment | Jul 30, 1998 | Jul 30, 1998 | Geonatural Resources, Inc. | Palo Pinto | Cone #902A | 1,000 | 36334783 |
| 476910 | Jun 5, 1998 | Jun 5, 1998 | Geonatural Resources, Inc. | Palo Pinto | Cone "9" #902 | 4,999 | 36334771 |
| 475154 | Apr 9, 1998 | Apr 9, 1998 | Geonatural Resources, Inc. | Palo Pinto | Monte Watson Cone "9" #901 | 4,999 | 36334760 |
| 474251 | Mar 11, 1998 | Mar 11, 1998 | Geonatural Resources, Inc. | Palo Pinto | Watson, Monte Cone "10" #1103B | 3,200 | 36334754 |
| 471005 | Dec 9, 1997 | Dec 9, 1997 | Geonatural Resources, Inc. | Palo Pinto | Monte Watson Cone "10" #1103 | 5,000 | 36334735 |
| 470992 | Dec 8, 1997 | Dec 8, 1997 | Geonatural Resources, Inc. | Palo Pinto | Cone, Monte Watson "10" #1102 | 5,000 | 36334733 |
| 469655 | Nov 4, 1997 | Nov 4, 1997 | Geonatural Resources, Inc. | Palo Pinto | Monte Watson Cone "10" #1101 | 5,000 | 36334724 |
| 468869 | Oct 15, 1997 | Oct 15, 1997 | Geonatural Resources, Inc. | Palo Pinto | Monte Watson Cone "10" #1 | 4,000 | 36334713 |
| 468063 | Sep 26, 1997 | Sep 26, 1997 | Geonatural Resources, Inc. | Palo Pinto | Cone, Monte Watson #415 | 4,000 | 36334700 |
| 468062 | Sep 26, 1997 | Sep 26, 1997 | Geonatural Resources, Inc. | Palo Pinto | Cone, Monte Watson #315 | 4,000 | 36334701 |
| 464828 | Jul 14, 1997 | Jul 14, 1997 | Geonatural Resources, Inc. | Palo Pinto | Mercer #114 | 5,000 | 36334680 |
| 464827 | Jul 14, 1997 | Jul 14, 1997 | Geonatural Resources, Inc. | Palo Pinto | Mercer #214 | 5,000 | 36334679 |
| 464064 | Jun 20, 1997 | Jun 20, 1997 | Geonatural Resources, Inc. | Archer | Koger-Abercrombie #1124 | 5,500 | 00941132 |
| 460318 | Mar 25, 1997 | Mar 25, 1997 | Geonatural Resources, Inc. | Archer | Abernathy #201 | 6,000 | 00941112 |
| 458705 | Feb 18, 1997 | Feb 18, 1997 | Geonatural Resources, Inc. | Palo Pinto | Mercer #1502 | 5,000 | 36334629 |
| 458676 | Feb 14, 1997 | Feb 14, 1997 | Geonatural Resources, Inc. | Hardeman | Holcomb "101" #1 | 6,000 | 19731405 |
| 458203 | Feb 5, 1997 | Feb 5, 1997 | Geonatural Resources, Inc. | Palo Pinto | Mercer #1501 | 5,000 | 36334626 |
| 457998 | Jan 30, 1997 | Jan 30, 1997 | Geonatural Resources, Inc. | Palo Pinto | Cone, Monte Watson #115 | 4,000 | 36334622 |
| 457996 | Jan 30, 1997 | Jan 30, 1997 | Geonatural Resources, Inc. | Palo Pinto | Cone, Monte Watson #215 | 4,000 | 36334623 |
| 457100 | Jan 8, 1997 | Jan 8, 1997 | Geonatural Resources, Inc. | Concho | Cate #1 | 3,999 | 09531741 |
| 457099 | Jan 8, 1997 | Jan 8, 1997 | Geonatural Resources, Inc. | Concho | Cate #2 | 3,999 | 09531740 |
| 457098 | Jan 8, 1997 | Jan 8, 1997 | Geonatural Resources, Inc. | Concho | Ledbetter #1 | 3,999 | 09531739 |
| 456227 | Dec 12, 1996 | Dec 12, 1996 | Geonatural Resources, Inc. | Archer | Andrews #2701 | 5,500 | 00941088 |
| 453430 | Oct 4, 1996 | Oct 4, 1996 | Geonatural Resources, Inc. | Runnels | Bunyard "192" #1921 | 4,900 | 39934481 |
| 453042 | Sep 24, 1996 | Sep 24, 1996 | Geonatural Resources, Inc. | Shackelford | Crow, J. A. #G 1C | 4,299 | 41737791 |
| 451123 | Aug 5, 1996 | Aug 5, 1996 | Geonatural Resources, Inc. | Runnels | Bunyard "536" #5363 | 4,900 | 39934467 |
| 449745 | Jun 27, 1996 | Jun 27, 1996 | Geonatural Resources, Inc. | Runnels | Bunyard "537" #5371 | 4,900 | 39934458 |
| 448187 | May 16, 1996 | May 16, 1996 | Geonatural Resources, Inc. | Runnels | Seidel "23 1/2" #1 | 4,900 | 39934449 |
| 448163 | May 15, 1996 | May 15, 1996 | Geonatural Resources, Inc. | Runnels | Bunyard "536" #5362 | 4,900 | 39934448 |
| 446775 | Apr 9, 1996 | Apr 9, 1996 | Geonatural Resources, Inc. | Runnels | Bunyard "536" #5361 | 4,200 | 39934440 |
| 444246 | Feb 29, 1996 | Feb 29, 1996 | Geonatural Resources, Inc. | Shackelford | Flippen "69" #6901 | 4,999 | 41738005 |
| 443370 | Jan 2, 1996 | Jan 2, 1996 | Geonatural Resources, Inc. | Shackelford | Flippen "36" #3601 | 4,675 | 41700292 |
| 443128 | Dec 21, 1995 | Dec 21, 1995 | Geonatural Resources, Inc. | Shackelford | Flippen-Greta Ellis "D" #F402 | 3,999 | 41737993 |
| 442050 | Nov 20, 1995 | Nov 20, 1995 | Geonatural Resources, Inc. | Shackelford | Flippen-Greta Ellis "D" #F 2 | 3,999 | 41737981 |
| 440417 | Sep 29, 1995 | Sep 29, 1995 | Geonatural Resources, Inc. | Shackelford | King/Elliott #1001 | 5,000 | 41737965 |