| 699219 | Jul 21, 2010 | Jul 21, 2010 | Virtex Operating Company, Inc. | Frio | Marrs McLean #5 | 7,000 | 16333420 |
| 695550 | May 6, 2010 | May 6, 2010 | Virtex Operating Company, Inc. | Schleicher | Tisdale, Josephine #3 | 3,976 | 41330919 |
| 693071 | Mar 18, 2010 | Mar 18, 2010 | Virtex Operating Company, Inc. | Webb | Sally Zuck St of TX #8301 | 7,450 | 47940840 |
| 691930 | Mar 1, 2010 | Mar 1, 2010 | Virtex Operating Company, Inc. | Frio | McWilliams Heirs A #5 | 7,000 | 16333408 |
| 691610 | Feb 22, 2010 | Feb 22, 2010 | Virtex Operating Company, Inc. | Atascosa | John Sandeen #1 | 7,200 | 01301866 |
| 689180 | Jan 8, 2010 | Jan 8, 2010 | Virtex Operating Company, Inc. | Frio | McWilliams Heirs A #4 | 7,000 | 16333405 |
| 686851 | Nov 6, 2009 | Nov 6, 2009 | Virtex Operating Company, Inc. | Atascosa | Lenert, George E. #1 | 7,209 | 01301941 |
| 686157 | Oct 16, 2009 | Oct 16, 2009 | Virtex Operating Company, Inc. | Frio | Harlan, R. K. #13 | 6,420 | 16333385 |
| 683202 | Jul 28, 2009 | Jul 28, 2009 | Virtex Operating Company, Inc. | Frio | McWilliams Heirs A #3 | 7,000 | 16333400 |
| 682716 | Jul 3, 2009 | Jul 3, 2009 | Virtex Operating Company, Inc. | Webb | Sally Zuck St of TX #8201 | 7,450 | 47940606 |
| 680559 | Apr 22, 2009 | Apr 22, 2009 | Virtex Operating Company, Inc. | La Salle | RMG Land #2204 | 8,000 | 28332197 |
| 680388 | Apr 22, 2009 | Apr 22, 2009 | Virtex Operating Company, Inc. | Frio | Harlan, R. K. #9 | 6,410 | 16333335 |
| 680084 | Apr 14, 2009 | Apr 14, 2009 | Virtex Operating Company, Inc. | Frio | R. K. Harlan #14 | 7,100 | 16333398 |
| 679713 | Mar 30, 2009 | Mar 30, 2009 | Virtex Operating Company, Inc. | Frio | Pechal-Sirny #1 | 6,430 | 16333332 |
| 678160 | Feb 11, 2009 | Feb 11, 2009 | Virtex Operating Company, Inc. | Frio | Pechal-Sirny #1 | 6,800 | 16333332 |
| 678072 | Feb 9, 2009 | Feb 9, 2009 | Virtex Operating Company, Inc. | Webb | Martin Trust's St of TX #7905 | 7,350 | 47940509 |
| 678253 | Feb 6, 2009 | Feb 6, 2009 | Virtex Operating Company, Inc. | Frio | Harlan, R. K. #9 | 6,800 | 16333335 |
| 677430 | Jan 27, 2009 | Jan 27, 2009 | Virtex Operating Company, Inc. | Webb | Martin Trust's St of TX #6604 | 7,250 | 47940503 |
| 676844 | Jan 6, 2009 | Jan 6, 2009 | Virtex Operating Company, Inc. | Webb | Lundell Minerals #4 | 8,300 | 47940490 |
| 676844Amendment | Jan 6, 2009 | Jan 6, 2009 | Virtex Operating Company, Inc. | Webb | Lundell Minerals #4 | 10,400 | 47940490 |
| 676403 | Dec 22, 2008 | Dec 22, 2008 | Virtex Operating Company, Inc. | Frio | Harlan, R. K. #18 | 7,000 | 16333395 |
| 676048 | Dec 12, 2008 | Dec 12, 2008 | Virtex Operating Company, Inc. | Webb | Fasken L. & M. St of TX "C" #5601 | 7,000 | 47940480 |
| 675985 | Dec 11, 2008 | Dec 11, 2008 | Virtex Operating Company, Inc. | Webb | Fasken L. & M. St of TX #6203 | 7,200 | 47940476 |
| 675671 | Dec 5, 2008 | Dec 5, 2008 | Virtex Operating Company, Inc. | Frio | McWilliams Heirs B #1 | 7,000 | 16333393 |
| 675671Amendment | Dec 5, 2008 | Dec 5, 2008 | Virtex Operating Company, Inc. | Frio | McWilliams Heirs B #1 | 7,000 | 16333393 |
| 675291 | Nov 22, 2008 | Nov 22, 2008 | Virtex Operating Company, Inc. | Frio | Harlan, R. K. #17 | 7,000 | 16333392 |
| 674989 | Nov 18, 2008 | Nov 18, 2008 | Virtex Operating Company, Inc. | Frio | Harlan, R. K. #16 | 7,000 | 16333391 |
| 674907 | Nov 18, 2008 | Nov 18, 2008 | Virtex Operating Company, Inc. | Frio | McWilliams Heirs A #1 | 7,000 | 16333390 |
| 674365 | Nov 7, 2008 | Nov 7, 2008 | Virtex Operating Company, Inc. | Frio | Harlan, R. K. #12 | 7,000 | 16333388 |
| 673492 | Oct 25, 2008 | Oct 25, 2008 | Virtex Operating Company, Inc. | Atascosa | S.P.J.S.T. Lodge #8 | 8,000 | 01334259 |
| 673561 | Oct 24, 2008 | Oct 24, 2008 | Virtex Operating Company, Inc. | Webb | Holland 1374 #3 | 7,950 | 47940433 |
| 673114 | Oct 20, 2008 | Oct 20, 2008 | Virtex Operating Company, Inc. | La Salle | Burkholder #8 | 8,000 | 28332171 |
| 672745 | Oct 15, 2008 | Oct 15, 2008 | Virtex Operating Company, Inc. | Frio | Harlan, R. K. #13 | 7,000 | 16333385 |
| 672571 | Oct 11, 2008 | Oct 11, 2008 | Virtex Operating Company, Inc. | La Salle | Burkholder #9 | 8,200 | 28332168 |
| 671518 | Oct 4, 2008 | Oct 4, 2008 | Virtex Operating Company, Inc. | La Salle | Burkholder #7 | 8,200 | 28332165 |
| 669831 | Sep 12, 2008 | Sep 12, 2008 | Virtex Operating Company, Inc. | Frio | Talasek #1 | 7,000 | 16333375 |
| 667366 | Aug 9, 2008 | Aug 9, 2008 | Virtex Operating Company, Inc. | Frio | Marrs McLean #3 | 7,300 | 16333369 |
| 667102 | Aug 7, 2008 | Aug 7, 2008 | Virtex Operating Company, Inc. | Atascosa | Pfeil, O. H. #5 | 7,800 | 01334247 |
| 665538 | Jul 18, 2008 | Jul 18, 2008 | Virtex Operating Company, Inc. | La Salle | Burkholder #6 | 8,200 | 28332146 |
| 665588 | Jul 17, 2008 | Jul 17, 2008 | Virtex Operating Company, Inc. | La Salle | Ezra Alderman 113 #1 | 10,600 | 28332148 |
| 665580 | Jul 17, 2008 | Jul 17, 2008 | Virtex Operating Company, Inc. | La Salle | Burkholder #5 | 8,200 | 28332147 |
| 664843 | Jul 9, 2008 | Jul 9, 2008 | Virtex Operating Company, Inc. | Webb | Miller-Stokes 1968 #1 | 8,000 | 47940287 |
| 662120 | Jun 5, 2008 | Jun 5, 2008 | Virtex Operating Company, Inc. | La Salle | Nye Ranch #3103 | 8,500 | 28332128 |
| 661658 | May 29, 2008 | May 29, 2008 | Virtex Operating Company, Inc. | La Salle | Nye Ranch #3102 | 8,500 | 28332126 |
| 661641 | May 28, 2008 | May 28, 2008 | Virtex Operating Company, Inc. | La Salle | Gutierrez, Raymond #2802 | 8,600 | 28332125 |
| 661096 | May 22, 2008 | May 22, 2008 | Virtex Operating Company, Inc. | Webb | Holland 1374 #1 | 7,950 | 47940226 |
| 660835 | May 22, 2008 | May 22, 2008 | Virtex Operating Company, Inc. | La Salle | RMG Land #2203 | 8,300 | 28332127 |
| 661045 | May 21, 2008 | May 21, 2008 | Virtex Operating Company, Inc. | La Salle | A. L. Krause Estate #12 | 8,200 | 28332121 |
| 660970 | May 20, 2008 | May 20, 2008 | Virtex Operating Company, Inc. | La Salle | A. L. Krause Estate #10 | 8,200 | 28332120 |
| 660765 | May 15, 2008 | May 15, 2008 | Virtex Operating Company, Inc. | La Salle | Coleman Heirs #7201 | 8,300 | 28332119 |
| 660763 | May 15, 2008 | May 15, 2008 | Virtex Operating Company, Inc. | La Salle | Coleman Heirs 504 #2 | 8,300 | 28332118 |
| 660643 | May 15, 2008 | May 15, 2008 | Virtex Operating Company, Inc. | La Salle | Lowry #7241 | 8,700 | 28332117 |
| 660643Amendment | May 15, 2008 | May 15, 2008 | Virtex Operating Company, Inc. | La Salle | Lowry #7241 | 8,700 | 28332117 |
| 660251 | May 8, 2008 | May 8, 2008 | Virtex Operating Company, Inc. | La Salle | Coleman Heirs A #5011 | 8,000 | 28332115 |
| 660052 | May 2, 2008 | May 2, 2008 | Virtex Operating Company, Inc. | Webb | Martin Trust's St of TX #6603 | 7,250 | 47940197 |
| 659733 | Apr 28, 2008 | Apr 28, 2008 | Virtex Operating Company, Inc. | La Salle | RMG Land #2202 | 8,300 | 28332113 |
| 659492 | Apr 26, 2008 | Apr 26, 2008 | Virtex Operating Company, Inc. | Webb | E.S. Johns Estate #10 | 7,800 | 47940186 |
| 659031 | Apr 23, 2008 | Apr 23, 2008 | Virtex Operating Company, Inc. | La Salle | Holland Heirs Gas Unit #1 | 8,200 | 28332110 |
| 658856 | Apr 18, 2008 | Apr 18, 2008 | Virtex Operating Company, Inc. | Webb | J. Martin St of TX #6603 | 7,200 | 47940173 |
| 659127 | Apr 16, 2008 | Apr 16, 2008 | Virtex Operating Company, Inc. | La Salle | Coleman Heirs 507 A #1 | 8,300 | 28332111 |
| 658532 | Apr 12, 2008 | Apr 12, 2008 | Virtex Operating Company, Inc. | Webb | Lundell Minerals #2 | 10,800 | 47940171 |
| 658045 | Apr 7, 2008 | Apr 7, 2008 | Virtex Operating Company, Inc. | Webb | Palafox Exploration Co. #1502 | 7,100 | 47940160 |
| 658044 | Apr 4, 2008 | Apr 4, 2008 | Virtex Operating Company, Inc. | La Salle | Krause, A. L. Estate #11 | 8,200 | 28332108 |
| 657510 | Mar 24, 2008 | Mar 24, 2008 | Virtex Operating Company, Inc. | Webb | Fasken L. & M. St of TX "C" #5701 | 7,000 | 47940152 |
| 656916 | Mar 19, 2008 | Mar 19, 2008 | Virtex Operating Company, Inc. | Frio | R. K. Harlan #8 | 6,349 | 16333336 |
| 656690 | Mar 7, 2008 | Mar 7, 2008 | Virtex Operating Company, Inc. | Webb | Fasken L. & M. St of TX #6002 | 7,200 | 47940132 |
| 655818 | Mar 7, 2008 | Mar 7, 2008 | Virtex Operating Company, Inc. | La Salle | Nell Jones Burkholder Gas Unit #6 | 8,200 | 28332098 |
| 655806 | Mar 5, 2008 | Mar 5, 2008 | Virtex Operating Company, Inc. | La Salle | Nell Jones Burkholder Gas Unit #5 | 8,200 | 28332102 |
| 654445 | Feb 11, 2008 | Feb 11, 2008 | Virtex Operating Company, Inc. | Frio | Harlan, R. K. #802 | 7,000 | 16333359 |
| 653246 | Jan 24, 2008 | Jan 24, 2008 | Virtex Operating Company, Inc. | Atascosa | S.P.J.S.T. Lodge #7 | 7,900 | 01334238 |