| 620246 | Jun 2, 2006 | Jun 2, 2006 | Jetta Operating Company, Inc. | Hidalgo | Peery #1 | 10,100 | 21533489 |
| 619079 | May 11, 2006 | May 11, 2006 | Jetta Operating Company, Inc. | Fort Bend | Wolters, RA et Al #27 | 5,500 | 15732411 |
| 619079Amendment | May 11, 2006 | May 11, 2006 | Jetta Operating Company, Inc. | Fort Bend | Wolters, R. A. et Al #27 | 5,500 | 15732411 |
| 617688 | Apr 25, 2006 | Apr 25, 2006 | Jetta Operating Company, Inc. | Fort Bend | Booth, T. R. #38 | 5,700 | 15732407 |
| 617502 | Apr 13, 2006 | Apr 13, 2006 | Jetta Operating Company, Inc. | Fort Bend | A.E. Myers #53 | 5,600 | 15732404 |
| 616139 | Mar 21, 2006 | Mar 21, 2006 | Jetta Operating Company, Inc. | Fort Bend | Wolters-Adams #1 | 7,800 | 15732400 |
| 615754 | Mar 13, 2006 | Mar 13, 2006 | Jetta Operating Company, Inc. | Fort Bend | Lockwood & Sharp -A- #125 | 5,600 | 15732399 |
| 614437 | Feb 23, 2006 | Feb 23, 2006 | Jetta Operating Company, Inc. | Ward | Barstow 43 #1 | 7,000 | 47535062 |
| 614160 | Feb 15, 2006 | Feb 15, 2006 | Jetta Operating Company, Inc. | Fort Bend | TR Booth #37 | 10,500 | 15732394 |
| 614160Amendment | Feb 15, 2006 | Feb 15, 2006 | Jetta Operating Company, Inc. | Fort Bend | TR Booth #37 | 10,500 | 15732394 |
| 613825 | Feb 8, 2006 | Feb 8, 2006 | Jetta Operating Company, Inc. | Ward | Barstow 40 #1 | 7,000 | 47535051 |
| 613825Amendment | Feb 8, 2006 | Feb 8, 2006 | Jetta Operating Company, Inc. | Ward | Barstow 40 #1 | 7,000 | 47535051 |
| 612269 | Jan 20, 2006 | Jan 20, 2006 | Jetta Operating Company, Inc. | Gaines | Shusa 20 #5 | 5,100 | 16536472 |
| 611387 | Dec 21, 2005 | Dec 21, 2005 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #1W | 5,100 | 16536466 |
| 610881 | Dec 13, 2005 | Dec 13, 2005 | Jetta Operating Company, Inc. | Fort Bend | Davis, J.H.P. Estate #102 | 5,600 | 15732380 |
| 610508 | Dec 7, 2005 | Dec 7, 2005 | Jetta Operating Company, Inc. | Gaines | Shusa 15 #10 | 5,100 | 16536459 |
| 610438 | Dec 6, 2005 | Dec 6, 2005 | Jetta Operating Company, Inc. | Gaines | Shusa 15 #9 | 5,100 | 16536456 |
| 609947 | Nov 22, 2005 | Nov 22, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 10 #2 | 7,000 | 47535025 |
| 609755 | Nov 21, 2005 | Nov 21, 2005 | Jetta Operating Company, Inc. | Fort Bend | Davis, JHP Estate #101 | 4,800 | 15732377 |
| 609755Amendment | Nov 21, 2005 | Nov 21, 2005 | Jetta Operating Company, Inc. | Fort Bend | Davis, JHP Estate #101 | 6,000 | 15732377 |
| 608626 | Oct 28, 2005 | Oct 28, 2005 | Jetta Operating Company, Inc. | Fort Bend | HP Lockwood #60 | 7,000 | 15732374 |
| 608624 | Oct 28, 2005 | Oct 28, 2005 | Jetta Operating Company, Inc. | Gaines | Shusa 15 #5I | 5,100 | 16536442 |
| 608560 | Oct 28, 2005 | Oct 28, 2005 | Jetta Operating Company, Inc. | Gaines | Welborn #1 | 13,200 | 16533988 |
| 608588 | Oct 27, 2005 | Oct 27, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 13 #2 | 7,000 | 47534963 |
| 607571 | Oct 21, 2005 | Oct 21, 2005 | Jetta Operating Company, Inc. | Ward | Miller #1 | 17,210 | 47534399 |
| 607348 | Oct 4, 2005 | Oct 4, 2005 | Jetta Operating Company, Inc. | Gaines | Rosebud #4 | 5,500 | 16536428 |
| 607343 | Oct 4, 2005 | Oct 4, 2005 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #12 | 5,100 | 16536427 |
| 605667 | Oct 3, 2005 | Oct 3, 2005 | Jetta Operating Company, Inc. | Gaines | Link #2 | 5,100 | 16534594 |
| 605698 | Aug 31, 2005 | Aug 31, 2005 | Jetta Operating Company, Inc. | Fort Bend | HP Lockwood #59 | 4,000 | 15732366 |
| 605694 | Aug 31, 2005 | Aug 31, 2005 | Jetta Operating Company, Inc. | Fort Bend | Lockwood & Sharp -A- #124 | 4,000 | 15732365 |
| 605694Amendment | Aug 31, 2005 | Aug 31, 2005 | Jetta Operating Company, Inc. | Fort Bend | Lockwood & Sharp -A- #124 | 5,600 | 15732365 |
| 605669 | Aug 31, 2005 | Aug 31, 2005 | Jetta Operating Company, Inc. | Gaines | Link #5 | 5,100 | 16534592 |
| 605661 | Aug 30, 2005 | Aug 30, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 11 #4 | 7,000 | 47534938 |
| 605431 | Aug 25, 2005 | Aug 25, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 30 #3 | 7,000 | 47534933 |
| 605428 | Aug 25, 2005 | Aug 25, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 22 #3 | 7,000 | 47534934 |
| 605303 | Aug 22, 2005 | Aug 22, 2005 | Jetta Operating Company, Inc. | Fort Bend | Wolters, R. A. Etal B #32 | 5,500 | 15732362 |
| 605303Amendment | Aug 22, 2005 | Aug 22, 2005 | Jetta Operating Company, Inc. | Fort Bend | Wolters, R. A. Etal B #32 | 5,500 | 15732362 |
| 600518 | May 11, 2005 | May 11, 2005 | Jetta Operating Company, Inc. | Webb | Frost Trust -17- #2 | 4,700 | 47939115 |
| 561131 | Apr 27, 2005 | Apr 27, 2005 | Jetta Operating Company, Inc. | Gaines | Shusa 15 #2 | 3,500 | 16536369 |
| 560163 | Apr 8, 2005 | Apr 8, 2005 | Jetta Operating Company, Inc. | Gaines | Rosebud-Yates #1 | 3,500 | 16536366 |
| 557175 | Feb 3, 2005 | Feb 3, 2005 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #3 Y | 3,500 | 16536311 |
| 556478 | Jan 20, 2005 | Jan 20, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 11 #3 | 6,500 | 47534848 |
| 556478Amendment | Jan 20, 2005 | Jan 20, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 11 #3 | 6,525 | 47534848 |
| 555917 | Jan 10, 2005 | Jan 10, 2005 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #2 Y | 3,500 | 16536301 |
| 555752 | Jan 6, 2005 | Jan 6, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 30 #2 | 6,500 | 47534841 |
| 555751 | Jan 6, 2005 | Jan 6, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 17 #2 | 6,500 | 47534843 |
| 555750 | Jan 6, 2005 | Jan 6, 2005 | Jetta Operating Company, Inc. | Ward | Barstow 19 #2 | 6,500 | 47534842 |
| 555749 | Jan 6, 2005 | Jan 6, 2005 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #1 Y | 5,100 | 16536299 |
| 555748 | Jan 6, 2005 | Jan 6, 2005 | Jetta Operating Company, Inc. | Gaines | Link #6 | 5,100 | 16536298 |
| 553798 | Nov 18, 2004 | Nov 18, 2004 | Jetta Operating Company, Inc. | Fort Bend | Davis, JHP Estate #100 | 5,450 | 15732319 |
| 553798Amendment | Nov 18, 2004 | Nov 18, 2004 | Jetta Operating Company, Inc. | Fort Bend | Davis, JHP Estate #100 | 5,450 | 15732319 |
| 553318 | Nov 8, 2004 | Nov 8, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 20 #4 | 5,100 | 16536262 |
| 553317 | Nov 8, 2004 | Nov 8, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 20 #3 | 5,100 | 16536261 |
| 553316 | Nov 8, 2004 | Nov 8, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 15 #8 | 5,100 | 16536260 |
| 553315 | Nov 8, 2004 | Nov 8, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 15 #7 | 5,100 | 16536259 |
| 553314 | Nov 8, 2004 | Nov 8, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 15 #6 | 5,100 | 16536258 |
| 553313 | Nov 8, 2004 | Nov 8, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 15 #4 | 5,100 | 16536257 |
| 553312 | Nov 8, 2004 | Nov 8, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #11 W | 5,100 | 16536256 |
| 552608 | Oct 21, 2004 | Oct 21, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #8 | 5,100 | 16536242 |
| 552607 | Oct 21, 2004 | Oct 21, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #9 | 5,100 | 16536244 |
| 552606 | Oct 21, 2004 | Oct 21, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #10 | 5,100 | 16536243 |
| 551952 | Oct 6, 2004 | Oct 6, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 20 #2 | 5,100 | 16536239 |
| 551951 | Oct 6, 2004 | Oct 6, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 20 #1 | 5,100 | 16536238 |
| 550440 | Sep 2, 2004 | Sep 2, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 15 #3 | 5,100 | 16536202 |
| 550439 | Sep 2, 2004 | Sep 2, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #7 | 5,100 | 16536203 |
| 550438 | Sep 2, 2004 | Sep 2, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa 14 #6 | 5,100 | 16536201 |
| 550246 | Aug 30, 2004 | Aug 30, 2004 | Jetta Operating Company, Inc. | Fort Bend | Myers, AE #52 | 5,600 | 15732304 |
| 549063 | Aug 3, 2004 | Aug 3, 2004 | Jetta Operating Company, Inc. | Irion | Scottish Rite "A" #1 | 9,200 | 23532870 |
| 548822 | Aug 2, 2004 | Aug 2, 2004 | Jetta Operating Company, Inc. | Webb | Frost Trust -17- #1 | 7,000 | 47938812 |
| 548826 | Jul 28, 2004 | Jul 28, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa-14- #5 | 5,100 | 16536188 |
| 548825 | Jul 28, 2004 | Jul 28, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa-14- #4 | 5,100 | 16536187 |
| 548823 | Jul 28, 2004 | Jul 28, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa-15- #2 | 5,100 | 16536186 |
| 547126 | Jun 18, 2004 | Jun 18, 2004 | Jetta Operating Company, Inc. | Fort Bend | Davis, JHP Estate #99 | 5,500 | 15732287 |
| 546095 | May 25, 2004 | May 25, 2004 | Jetta Operating Company, Inc. | Fort Bend | Booth, FI Etal-A- #68 | 6,000 | 15732282 |
| 545653 | May 13, 2004 | May 13, 2004 | Jetta Operating Company, Inc. | Fort Bend | Lockwood, HP #58 | 4,000 | 15732276 |
| 544963 | May 5, 2004 | May 5, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa -14- #3 | 5,100 | 16536158 |
| 544963Amendment | May 5, 2004 | May 5, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa -14- #3 | 5,100 | 16536158 |
| 544963Amendment | May 5, 2004 | May 5, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa -14- #3 | 5,100 | 16536158 |
| 545267 | May 4, 2004 | May 4, 2004 | Jetta Operating Company, Inc. | Ward | Barstow -11- #2 | 6,500 | 47534815 |
| 544188 | Apr 7, 2004 | Apr 7, 2004 | Jetta Operating Company, Inc. | Gaines | Link #3 | 6,500 | 16534593 |
| 543562 | Mar 23, 2004 | Mar 23, 2004 | Jetta Operating Company, Inc. | Webb | Frost Trust 29 #1 | 7,000 | 47938668 |
| 542527 | Feb 26, 2004 | Feb 26, 2004 | Jetta Operating Company, Inc. | Gaines | Shusa -14- #2 | 5,100 | 16536120 |
| 539145 | Dec 2, 2003 | Dec 2, 2003 | Jetta Operating Company, Inc. | Fort Bend | Booth, FI Etal -A- #67 | 4,000 | 15732249 |
| 539145Amendment | Dec 2, 2003 | Dec 2, 2003 | Jetta Operating Company, Inc. | Fort Bend | Booth, FI Etal -A- #67 | 4,000 | 15732249 |
| 538758 | Nov 19, 2003 | Nov 19, 2003 | Jetta Operating Company, Inc. | Fort Bend | George, AP -A- #28 | 4,000 | 15732246 |
| 538614 | Nov 14, 2003 | Nov 14, 2003 | Jetta Operating Company, Inc. | Fort Bend | Lockwood & Sharp A #68 | 1,770 | 15730233 |
| 538101 | Oct 31, 2003 | Oct 31, 2003 | Jetta Operating Company, Inc. | Fort Bend | Wolters, RA #26 | 4,600 | 15732243 |
| 538089 | Oct 31, 2003 | Oct 31, 2003 | Jetta Operating Company, Inc. | Fort Bend | Davis, JHP Estate #98 | 4,500 | 15732242 |
| 533444 | Jun 24, 2003 | Jun 24, 2003 | Jetta Operating Company, Inc. | Ward | Barstow -22- #2 | 6,500 | 47534790 |
| 532556 | May 30, 2003 | May 30, 2003 | Jetta Operating Company, Inc. | Gaines | Shusa "14" #1 | 5,100 | 16535986 |
| 532555 | May 30, 2003 | May 30, 2003 | Jetta Operating Company, Inc. | Gaines | Shusa #2 | 5,100 | 16535987 |
| 531937 | May 15, 2003 | May 15, 2003 | Jetta Operating Company, Inc. | Martin | Breedlove-Lepus #1 | 12,168 | 31734149 |
| 530984 | Apr 22, 2003 | Apr 22, 2003 | Jetta Operating Company, Inc. | Martin | Jenkins #1 | 12,100 | 31734113 |
| 529304 | Mar 7, 2003 | Mar 7, 2003 | Jetta Operating Company, Inc. | Ward | Barstow -18- #1 | 6,500 | 47531894 |
| 529301 | Mar 7, 2003 | Mar 7, 2003 | Jetta Operating Company, Inc. | Ward | Barstow -30- #1 | 6,470 | 47532572 |
| 527611 | Jan 23, 2003 | Jan 23, 2003 | Jetta Operating Company, Inc. | Hemphill | Walser 30 #1 | 14,252 | 21132202 |
| 525052 | Oct 29, 2002 | Oct 29, 2002 | Jetta Operating Company, Inc. | Gaines | Butchee, C. D. "14" #1 | 13,082 | 16533522 |
| 508178 | May 21, 2001 | May 21, 2001 | Jetta Operating Company, Inc. | Fort Bend | Wolters, R. A. et al "B" #22 | 5,513 | 15730084 |
| 507665 | May 4, 2001 | May 4, 2001 | Jetta Operating Company, Inc. | Fort Bend | Wolters, R. A. Etal "B" #27 | 5,465 | 15731031 |
| 503526 | Dec 29, 2000 | Dec 29, 2000 | Jetta Operating Company, Inc. | Fort Bend | Gubbels, M. Etal 'A' #21 | 5,500 | 15732130 |