| 2006-05-31 | 619718 | 42-505-35598 | BENAVIDES #2 | ESCONDIDO RESOURCES GP, LLC | DRILL | 10,662 | |
| 2006-05-31 | 619718 | 42-505-35598 | BENAVIDES #2 | ESCONDIDO RESOURCES GP, LLC | DRILL | 12,000 | |
| 2006-05-26 | 620048 | 42-505-35596 | VELA-LOPENO #1 | U.S. ENERCORP, LTD. | DRILL | 13,000 | |
| 2006-05-26 | 620048 | 42-505-35596 | VELA-LOPENO #1 | U.S. ENERCORP, LTD. | DRILL | 13,200 | |
| 2006-05-26 | 620048 | 42-505-35596 | VELA-LOPENO #1 | U.S. ENERCORP, LTD. | RECOMP | 13,200 | |
| 2006-05-26 | 619991 | 42-505-35595 | GARCIA, ANASTACIO #4H | SYNTHETIC ENERGY CORPORATION | DRILL | 300 | Y |
| 2006-05-25 | 619922 | 42-505-35594 | HINNANT 307 "C" #3 | KILLAM OIL CO., LTD. | DRILL | 11,000 | |
| 2006-05-23 | 618187 | 42-505-35568 | RAMON #3 | CHESAPEAKE OPERATING, INC. | DRILL | 12,000 | |
| 2006-05-22 | 619446 | 42-505-35593 | RUBEN FLORES MINERALS LTD B #1 | CONOCOPHILLIPS COMPANY | DRILL | 7,800 | |
| 2006-05-22 | 618147 | 42-505-35567 | GARZA, A. #21 | HOUSTON EXPLORATION COMPANY, THE | DRILL | 10,900 | |
| 2006-05-19 | 619598 | 42-505-35592 | GARZA, A. #22 | HOUSTON EXPLORATION COMPANY, THE | DRILL | 10,700 | |
| 2006-05-19 | 619549 | 42-505-35591 | VOLPE #3 | CHESAPEAKE OPERATING, INC. | DRILL | 14,000 | |
| 2006-05-19 | 619547 | 42-505-35590 | J. VELA CUELLAR #2 | CHESAPEAKE OPERATING, INC. | DRILL | 12,000 | |
| 2006-05-19 | 619495 | 42-505-35589 | 3J ZAPATA RANCHES #1 | NEWFIELD EXPLORATION COMPANY | DRILL | 13,000 | |
| 2006-05-18 | 619457 | 42-505-35588 | LOPEZ 'A' #1 | MONTECRISTO EXPLORATION, INC. | DRILL | 4,200 | |
| 2006-05-17 | 617998 | 42-505-35565 | ASCHE #111 | HOUSTON EXPLORATION COMPANY, THE | DRILL | 13,300 | |
| 2006-05-16 | 619360 | 42-505-35587 | SINGER #2 | NEWFIELD EXPLORATION COMPANY | DRILL | 15,000 | |
| 2006-05-16 | 619358 | 42-505-35586 | GUERRA-SAENZ #1 | CHESAPEAKE OPERATING, INC. | DRILL | 12,000 | |
| 2006-05-12 | 619231 | 42-505-35583 | DODIER "C" #4 | LAREDO ENERGY | DRILL | 13,000 | |
| 2006-05-11 | 619090 | 42-505-35582 | MARIA CUELLAR #18 | HOUSTON EXPLORATION COMPANY, THE | DRILL | 10,100 | |
| 2006-05-11 | 619036 | 42-505-35581 | ALEXANDER #10 | CHESAPEAKE OPERATING, INC. | DRILL | 14,000 | |
| 2006-05-10 | 619020 | 42-505-35580 | RAMIREZ, JOSEFA #6 | DOMINION EXPL. & PROD., INC. | DRILL | 12,750 | |
| 2006-05-10 | 618516 | 42-505-35574 | LA SOLEDAD #3 | LEGEND NATURAL GAS II, LP | DRILL | 13,000 | |
| 2006-05-10 | 618516 | 42-505-35574 | LA SOLEDAD #3 | LEGEND NATURAL GAS II, LP | DRILL | 13,000 | |
| 2006-05-09 | 618989 | 42-505-35579 | GONZALEZ, HORACIO #5 | CHESAPEAKE OPERATING, INC. | DRILL | 12,000 | |
| 2006-05-08 | 618871 | 42-505-35578 | HAYNES "A" #1 | LAREDO ENERGY | DRILL | 15,000 | |
| 2006-05-08 | 618861 | 42-505-35577 | PEREZ A #2 | CHESAPEAKE OPERATING, INC. | DRILL | 12,000 | |
| 2006-05-05 | 618778 | 42-505-35576 | FLORES #4 | RICOCHET ENERGY, INC. | DRILL | 10,800 | |
| 2006-05-04 | 618725 | 42-505-35575 | VELA, J. M. #16 | CHEVRON U. S. A. INC. | DRILL | 9,700 | |
| 2006-05-03 | 618343 | 42-505-35573 | RUBEN FLORES MINERALS LTD GU #1 | CONOCOPHILLIPS COMPANY | DRILL | 12,000 | |
| 2006-05-03 | 618343 | 42-505-35573 | RUBEN FLORES MINERALS LTD GU #1 | CONOCOPHILLIPS COMPANY | DRILL | 12,000 | |
| 2006-05-02 | 618532 | 42-505-35572 | RAMON #7 | CHESAPEAKE OPERATING, INC. | DRILL | 12,000 | |
| 2006-05-02 | 618502 | 42-505-35571 | SLATOR RANCH #W 1 | EOG RESOURCES, INC. | DRILL | 11,999 | |
| 2006-04-28 | 618397 | 42-505-35569 | BMT/K&H "AC" #3 | EOG RESOURCES, INC. | DRILL | 12,500 | |
| 2006-04-26 | 611898 | 42-505-35465 | SNAVELY #3 | CHESAPEAKE OPERATING, INC. | DRILL | 13,000 | |
| 2006-04-24 | 618042 | 42-505-35566 | ALEJO BENAVIDES #2 | CHESAPEAKE OPERATING, INC. | DRILL | 12,000 | |
| 2006-04-24 | 616472 | 42-505-35550 | LAUREL MINERAL ESTATE #18 | CONOCOPHILLIPS COMPANY | DRILL | 12,800 | |
| 2006-04-24 | 616472 | 42-505-35550 | LAUREL MINERAL ESTATE #18 | CONOCOPHILLIPS COMPANY | DRILL | 12,800 | |
| 2006-04-21 | 617985 | 42-505-35563 | HINOJOSA #1 | REICHMANN PETROLEUM CORP. | DRILL | 12,000 | |
| 2006-04-21 | 617985 | 42-505-35563 | HINOJOSA #1 | REICHMANN PETROLEUM CORP. | DRILL | 16,500 | |
| 2006-04-21 | 617984 | 42-505-35562 | LOPEZ #D 1 | MONTECRISTO EXPLORATION, INC. | DRILL | 3,500 | |
| 2006-04-21 | 617983 | 42-505-35564 | LOPEZ #B 1 | MONTECRISTO EXPLORATION, INC. | DRILL | 3,500 | |
| 2006-04-21 | 616004 | 42-505-35541 | LAUREL MINERAL ESTATE #17 | CONOCOPHILLIPS COMPANY | DRILL | 12,700 | |
| 2006-04-19 | 616242 | 42-505-35545 | ABEL RAMIREZ #10 | HOUSTON EXPLORATION COMPANY, THE | DRILL | 9,500 | |
| 2006-04-19 | 616236 | 42-505-35544 | ABEL RAMIREZ #9 | HOUSTON EXPLORATION COMPANY, THE | DRILL | 9,500 | |
| 2006-04-19 | 615802 | 42-505-35536 | LAUREL MINERAL ESTATE #15 | CONOCOPHILLIPS COMPANY | DRILL | 12,600 | |
| 2006-04-18 | 617767 | 42-505-35561 | TALBERT "A" #1 | LAREDO ENERGY | DRILL | 12,000 | |
| 2006-04-13 | 617594 | 42-505-35560 | LFT #3 | CHESAPEAKE OPERATING, INC. | DRILL | 13,000 | |
| 2006-04-13 | 617559 | 42-505-35559 | GUERRA, RAUL #18 | DOMINION EXPL. & PROD., INC. | DRILL | 11,600 | |
| 2006-04-13 | 617414 | 42-505-35557 | MUNOZ, FERNANDO #9 | DOMINION EXPL. & PROD., INC. | DRILL | 12,000 | |