| 705102 | Nov 15, 2010 | Nov 15, 2010 | XTO Energy Inc. | Las Raices Ranch #14HH | 17,000 | 47941118 |
| 705102Amendment | Nov 15, 2010 | Nov 15, 2010 | XTO Energy Inc. | Las Raices Ranch #14HH | 17,000 | 47941118 |
| 705018 | Nov 12, 2010 | Nov 12, 2010 | Laredo Energy | Bruni-Summers #1HH | 18,000 | 47940658 |
| 704974 | Nov 12, 2010 | Nov 12, 2010 | Killam Oil Co., Ltd. | Puig "B" #4 | 9,420 | 47939709 |
| 704977 | Nov 10, 2010 | Nov 10, 2010 | Lewis Petro Properties, Inc. | J. Rodriguez Unit #2HH | 12,500 | 47941116 |
| 704977Amendment | Nov 10, 2010 | Nov 10, 2010 | Lewis Petro Properties, Inc. | Rodriguez, J. Unit #2HH | 6,000 | 47941116 |
| 704956 | Nov 10, 2010 | Nov 10, 2010 | Laredo Energy | State of Texas - Bob Peck #1HH | 18,000 | 47941115 |
| 704902 | Nov 9, 2010 | Nov 9, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #6HH | 12,000 | 47941114 |
| 704902Amendment | Nov 9, 2010 | Nov 9, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #6HH | 12,000 | 47941114 |
| 704900 | Nov 9, 2010 | Nov 9, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #5HH | 12,000 | 47941113 |
| 704788 | Nov 9, 2010 | Nov 9, 2010 | Rosetta Resources Operating LP | Gates 10 Rose A #5741H | 8,500 | 47941117 |
| 704788Amendment | Nov 9, 2010 | Nov 9, 2010 | Rosetta Resources Operating LP | Gates 10 Rose A #5741H | 8,500 | 47941117 |
| 703634 | Nov 9, 2010 | Nov 9, 2010 | Conocophillips Company | Vaquillas Ranch A1 #239 | 11,500 | 47941079 |
| 704874 | Nov 8, 2010 | Nov 8, 2010 | Laredo Energy | St of TX-Elias M Prieto Fmly LP #1HH | 18,000 | 47941112 |
| 704874Amendment | Nov 8, 2010 | Nov 8, 2010 | Laredo Energy | St of TX-Elias M Prieto Fmly LP #1HH | 18,000 | 47941112 |
| 704651 | Nov 4, 2010 | Nov 4, 2010 | SM Energy Company | Galvan Ranch #21HH | 10,000 | 47941110 |
| 704468 | Nov 1, 2010 | Nov 1, 2010 | Anadarko E&P Company LP | Worthey Ranch #6HH | 9,700 | 47941108 |
| 704468Amendment | Nov 1, 2010 | Nov 1, 2010 | Anadarko E&P Company LP | Worthey Ranch #6HH | 9,700 | 47941108 |
| 704411 | Nov 1, 2010 | Nov 1, 2010 | Lewis Petro Properties, Inc. | La Moca Gas Unit L #8HH | 12,500 | 47941106 |
| 703879 | Nov 1, 2010 | Nov 1, 2010 | Escondido Resources II, LLC | Cerrito a State #11HH | 9,000 | 47941101 |
| 704445 | Oct 29, 2010 | Oct 29, 2010 | Anadarko E&P Company LP | Worthey Ranch #10HH | 9,800 | 47941107 |
| 704413 | Oct 29, 2010 | Oct 29, 2010 | Lewis Petro Properties, Inc. | La Moca a 433 GU #13HH | 16,500 | 47941105 |
| 704413Amendment | Oct 29, 2010 | Oct 29, 2010 | Lewis Petro Properties, Inc. | La Moca a 433 GU #13HH | 17,000 | 47941105 |
| 704384 | Oct 28, 2010 | Oct 28, 2010 | Chesapeake Operating, Inc. | Pge Browne #8HH | 12,000 | 47941103 |
| 704384Amendment | Oct 28, 2010 | Oct 28, 2010 | Chesapeake Operating, Inc. | Pge Browne #C 1HH | 12,000 | 47941103 |
| 704384Amendment | Oct 28, 2010 | Oct 28, 2010 | Chesapeake Operating, Inc. | Pge Browne #C 1HH | 12,000 | 47941103 |
| 704382 | Oct 28, 2010 | Oct 28, 2010 | Chesapeake Operating, Inc. | Pge Browne #6HH | 12,000 | 47941102 |
| 704382Amendment | Oct 28, 2010 | Oct 28, 2010 | Chesapeake Operating, Inc. | Pge Browne #G 2HH | 12,000 | 47941102 |
| 704382Amendment | Oct 28, 2010 | Oct 28, 2010 | Chesapeake Operating, Inc. | Pge Browne #G 2HH | 12,000 | 47941102 |
| 704381 | Oct 28, 2010 | Oct 28, 2010 | Chesapeake Operating, Inc. | Pge Browne #5HH | 9,000 | 47941104 |
| 704381Amendment | Oct 28, 2010 | Oct 28, 2010 | Chesapeake Operating, Inc. | Pge Browne #G 1HH | 9,000 | 47941104 |
| 704381Amendment | Oct 28, 2010 | Oct 28, 2010 | Chesapeake Operating, Inc. | Pge Browne #G 1HH | 9,000 | 47941104 |
| 704298 | Oct 27, 2010 | Oct 27, 2010 | Lewis Petro Properties, Inc. | N. D. Hachar Heirs #11HH | 12,500 | 47941100 |
| 704291 | Oct 27, 2010 | Oct 27, 2010 | Lewis Petro Properties, Inc. | N. D. Hachar Heirs #10HH | 12,500 | 47941099 |
| 704290 | Oct 27, 2010 | Oct 27, 2010 | SM Energy Company | Galvan Ranch #22HH | 10,000 | 47941098 |
| 704164 | Oct 25, 2010 | Oct 25, 2010 | SM Energy Company | Galvan Ranch #20HH | 10,000 | 47941097 |
| 704104 | Oct 22, 2010 | Oct 22, 2010 | Lewis Petro Properties, Inc. | Gates 10-Dr #5HH | 17,000 | 47941096 |
| 703954 | Oct 21, 2010 | Oct 21, 2010 | Lewis Petro Properties, Inc. | Chamberlain State 1496 GU #5HH | 17,000 | 47941094 |
| 703855 | Oct 21, 2010 | Oct 21, 2010 | Lewis Petro Properties, Inc. | La Moca Gas Unit F #6HH | 12,500 | 47941095 |
| 703913 | Oct 20, 2010 | Oct 20, 2010 | Lewis Petro Properties, Inc. | Gates 10-Dr #4HH | 17,000 | 47941093 |
| 703891 | Oct 20, 2010 | Oct 20, 2010 | Chesapeake Operating, Inc. | Pge Dos #8HH | 12,000 | 47941092 |
| 703891Amendment | Oct 20, 2010 | Oct 20, 2010 | Chesapeake Operating, Inc. | Pge Dos #G 2HH | 12,000 | 47941092 |
| 703890 | Oct 20, 2010 | Oct 20, 2010 | Chesapeake Operating, Inc. | Pge Dos #7HH | 12,000 | 47941091 |
| 703890Amendment | Oct 20, 2010 | Oct 20, 2010 | Chesapeake Operating, Inc. | Pge Dos #G 1HH | 12,000 | 47941091 |
| 703889 | Oct 20, 2010 | Oct 20, 2010 | Chesapeake Operating, Inc. | Pge Browne #7HH | 9,000 | 47941090 |
| 703889Amendment | Oct 20, 2010 | Oct 20, 2010 | Chesapeake Operating, Inc. | Pge Browne #C 2HH | 9,000 | 47941090 |
| 703889Amendment | Oct 20, 2010 | Oct 20, 2010 | Chesapeake Operating, Inc. | Pge Browne #C 2HH | 9,000 | 47941090 |
| 703790 | Oct 20, 2010 | Oct 20, 2010 | XTO Energy Inc. | Las Raices Ranch SWD #1 | 6,000 | 47941084 |
| 703877 | Oct 19, 2010 | Oct 19, 2010 | Middleton Oil Company | Triphene Middleton "D" #5 | 6,900 | 47941087 |
| 703876 | Oct 19, 2010 | Oct 19, 2010 | Middleton Oil Company | Triphene Middleton "D" #4 | 6,900 | 47941086 |
| 703874 | Oct 19, 2010 | Oct 19, 2010 | Middleton Oil Company | Triphene Middleton #2701 | 6,900 | 47941088 |
| 703869 | Oct 19, 2010 | Oct 19, 2010 | EOG Resources, Inc. | Billings Ranch #5 | 11,600 | 47941089 |
| 703851 | Oct 19, 2010 | Oct 19, 2010 | Columbus Energy, LLC | Hachar, D. D. #60QC | 2,000 | 47941085 |
| 703705 | Oct 19, 2010 | Oct 19, 2010 | Lewis Petro Properties, Inc. | Galvan Ranch #10HH | 16,500 | 47941080 |
| 703705Amendment | Oct 19, 2010 | Oct 19, 2010 | Lewis Petro Properties, Inc. | Galvan Ranch #10HH | 16,500 | 47941080 |
| 703703 | Oct 18, 2010 | Oct 18, 2010 | Lewis Petro Properties, Inc. | N. D. Hachar Heirs #17HH | 12,500 | 47941082 |
| 703702 | Oct 18, 2010 | Oct 18, 2010 | Lewis Petro Properties, Inc. | N. D. Hachar Heirs #16HH | 12,500 | 47941081 |
| 703420 | Oct 18, 2010 | Oct 18, 2010 | SM Energy Company | Briscoe B GU2 #13HH | 8,500 | 47941077 |
| 703420Amendment | Oct 18, 2010 | Oct 18, 2010 | SM Energy Company | Briscoe B (SA3) #13HH | 8,500 | 47941077 |
| 703842 | Oct 15, 2010 | Oct 15, 2010 | Lewis Petro Properties, Inc. | La Moca Gas Unit C #3HH | 12,500 | 47941083 |
| 703533 | Oct 13, 2010 | Oct 13, 2010 | Lewis Petro Properties, Inc. | Gates 07-Dr #6HH | 17,000 | 47941078 |
| 703396 | Oct 11, 2010 | Oct 11, 2010 | Lewis Petro Properties, Inc. | Gates 07-Dr #7HH | 12,500 | 47941076 |
| 703377 | Oct 11, 2010 | Oct 11, 2010 | Rosetta Resources Operating LP | Gates 10 Rose a 1000 #1H | 8,500 | 47941075 |
| 703377Amendment | Oct 11, 2010 | Oct 11, 2010 | Rosetta Resources Operating LP | Gates 10 Rose a 1000 #1H | 8,500 | 47941075 |
| 703361 | Oct 11, 2010 | Oct 11, 2010 | Rosetta Resources Operating LP | Gates 05-D #8015H | 8,500 | 47941074 |
| 703361Amendment | Oct 11, 2010 | Oct 11, 2010 | Rosetta Resources Operating LP | Gates 05-D #8015H | 8,500 | 47941074 |
| 703351 | Oct 8, 2010 | Oct 8, 2010 | SM Energy Company | Briscoe C #5HH | 8,500 | 47941073 |
| 703351Amendment | Oct 8, 2010 | Oct 8, 2010 | SM Energy Company | Briscoe C (SA3) #5HH | 8,500 | 47941073 |
| 703149 | Oct 7, 2010 | Oct 7, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-a TR3 #3HH | 12,000 | 47941067 |
| 703149Amendment | Oct 7, 2010 | Oct 7, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-a TR3 #L 2HH | 12,000 | 47941067 |
| 703055 | Oct 7, 2010 | Oct 7, 2010 | Devon Energy Production Co, L.P. | Vaquillas #18HH | 10,000 | 47941072 |
| 703202 | Oct 6, 2010 | Oct 6, 2010 | Chesapeake Operating, Inc. | Pge Browne #4HH | 9,000 | 47941070 |
| 703202Amendment | Oct 6, 2010 | Oct 6, 2010 | Chesapeake Operating, Inc. | Pge Browne #E 2HH | 9,000 | 47941070 |
| 703202Amendment | Oct 6, 2010 | Oct 6, 2010 | Chesapeake Operating, Inc. | Pge Browne #E 2HH | 9,000 | 47941070 |
| 703201 | Oct 6, 2010 | Oct 6, 2010 | Chesapeake Operating, Inc. | Pge Browne #3HH | 9,000 | 47941069 |
| 703201Amendment | Oct 6, 2010 | Oct 6, 2010 | Chesapeake Operating, Inc. | Pge Browne #E 1HH | 9,000 | 47941069 |
| 703201Amendment | Oct 6, 2010 | Oct 6, 2010 | Chesapeake Operating, Inc. | Pge Browne #E 1HH | 9,000 | 47941069 |
| 703150 | Oct 5, 2010 | Oct 5, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-a TR3 #4HH | 12,000 | 47941071 |
| 703150Amendment | Oct 5, 2010 | Oct 5, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-a TR3 #L 1HH | 12,000 | 47941071 |
| 703148 | Oct 5, 2010 | Oct 5, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #4HH | 12,000 | 47941068 |
| 703148Amendment | Oct 5, 2010 | Oct 5, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #4HH | 12,000 | 47941068 |
| 703028 | Oct 4, 2010 | Oct 4, 2010 | Devon Energy Production Co, L.P. | Vaquillas #15HH | 10,000 | 47941066 |
| 703021 | Oct 4, 2010 | Oct 4, 2010 | XTO Energy Inc. | Las Raices Ranch #13HH | 17,500 | 47941065 |
| 703021Amendment | Oct 4, 2010 | Oct 4, 2010 | XTO Energy Inc. | Las Raices Ranch #13HH | 17,500 | 47941065 |
| 703007 | Oct 4, 2010 | Oct 4, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #2026H | 8,700 | 47941064 |
| 703007Amendment | Oct 4, 2010 | Oct 4, 2010 | Rosetta Resources Operating LP | Gates 09 Rose B #2026H | 8,700 | 47941064 |
| 702932 | Oct 1, 2010 | Oct 1, 2010 | Laredo Energy | St of TX la Cruz Tres Land, Ltd. #1HH | 17,000 | 47941063 |
| 702932Amendment | Oct 1, 2010 | Oct 1, 2010 | Laredo Energy | St of TX-la Cruz Tres Land, Ltd. #1HH | 17,000 | 47941063 |
| 702930 | Oct 1, 2010 | Oct 1, 2010 | SM Energy Company | Galvan Ranch #23HH | 10,000 | 47941062 |
| 702203 | Sep 28, 2010 | Sep 28, 2010 | Chesapeake Operating, Inc. | Gates 010 CHK-B TR 1 #M 1 | 12,000 | 47941050 |
| 702584 | Sep 27, 2010 | Sep 27, 2010 | Lewis Petro Properties, Inc. | Long, J. S. #4HH | 16,500 | 47941055 |
| 702674 | Sep 24, 2010 | Sep 24, 2010 | Shell Western E&P | Piloncillo #D 1HH | 8,600 | 47941061 |
| 702674Amendment | Sep 24, 2010 | Sep 24, 2010 | Shell Western E&P | Piloncillo #D 1HH | 9,095 | 47941061 |
| 702674Amendment | Sep 24, 2010 | Sep 24, 2010 | Shell Western E&P | Piloncillo #D 1HH | 15,000 | 47941061 |
| 702673 | Sep 24, 2010 | Sep 24, 2010 | Rosetta Resources Operating LP | Gates 05-D #208AH | 8,475 | 47941060 |
| 702673Amendment | Sep 24, 2010 | Sep 24, 2010 | Rosetta Resources Operating LP | Gates 05-D #208AH | 8,475 | 47941060 |
| 702655 | Sep 24, 2010 | Sep 24, 2010 | XTO Energy Inc. | Las Raices Ranch #10HH | 18,000 | 47941059 |
| 702655Amendment | Sep 24, 2010 | Sep 24, 2010 | XTO Energy Inc. | Las Raices Ranch #10HH | 18,000 | 47941059 |
| 702625 | Sep 24, 2010 | Sep 24, 2010 | Mohican Operating, L.L.C. | Briscoe Nicholson #1 | 8,200 | 47941058 |
| 702600 | Sep 24, 2010 | Sep 24, 2010 | Laredo Energy | Rosa V. Benavides #9 | 5,500 | 47941057 |