| Bloomberg, Samuel D. G-4-200329 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 6.19K | 298K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Lundell Ranch G-4-107647 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 6.07K | 593K | Jan 2002 – Nov 2010 | Hilcorp Energy Company |
| Humphreys O-3-24926 | Hardin, SW. (Cook Mountain #1) | Liberty | 1 | 5.99K | 22.2K | Jan 2007 – Nov 2010 | Hughes Oil Operating, LLC |
| Willis Estate G-3-202957 | Felicia (Yegua) | Liberty | 1 | 5.94K | 529K | Jan 2007 – Nov 2010 | off the schedule |
| Lobo Solo G-4-216790 | Coyote, West (Queen City) | Jim Hogg | 1 | 5.81K | 285K | Feb 2006 – Nov 2010 | Bordertown Energy Resources, LLC |
| Southland G-4-173399 | Southland (Pettus 5300) | Duval | 1 | 5.78K | 1.27M | May 1999 – Nov 2010 | Proline Energy Resources Inc |
| Slick State "B" G-4-242250 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 5.52K | 174K | Sep 2007 – Nov 2010 | Hilcorp Energy Company |
| Slick State "B" G-4-245372 | Flores (Vicksburg, Lower) | Starr | 1 | 5.29K | 136K | Aug 2008 – Nov 2010 | off the schedule |
| Lundell Ranch G-4-197378 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 5.25K | 543K | Aug 2003 – Nov 2010 | Hilcorp Energy Company |
| Chapman Ranch G-4-234655 | Mobil-David (Frio 12,600) | Nueces | 1 | 5.25K | 235K | Jan 2008 – Nov 2010 | off the schedule |
| Frost 45 G-4-211349 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 5.08K | 241K | May 2005 – Nov 2010 | Hilcorp Energy Company |
| Richardson Unit G-3-207368 | Hardin, SW. (H. Daniel Sand) | Liberty | 1 | 4.99K | 690K | Jan 2007 – Nov 2010 | Hughes Oil Operating, LLC |
| Welder, J.F. Heirs O-4-12778 | Angelita New (Frio) | San Patricio | 2 | 4.97K | 98K | Jan 2007 – Nov 2010 | Proline Energy Resources Inc |
| Lundell 44 G-4-206814 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 4.95K | 211K | Oct 2004 – Nov 2010 | Hilcorp Energy Company |
| KMF G-4-171964 | Rita, S.E. (Consolidated) | Kenedy | 1 | 4.9K | 1.05M | Jan 2007 – Nov 2010 | Headington Energy Partners, LLC |
| Lundell Ranch G-4-142406 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 4.86K | 516K | Jan 2002 – Nov 2010 | Hilcorp Energy Company |
| Lundell Ranch G-4-114279 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 4.75K | 263K | Jan 2002 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-239541 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 4.7K | 141K | Feb 2008 – Nov 2010 | Hilcorp Energy Company |
| Lundell Ranch G-4-177145 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 4.56K | 944K | Jan 2002 – Nov 2010 | Hilcorp Energy Company |
| Chapman Ranch G-4-190455 | Mobil-David (Anderson) | Nueces | 1 | 4.54K | 317K | Jan 2007 – Nov 2010 | Proline Energy Resources Inc |
| Bloomberg, Samuel D. G-4-220480 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 4.51K | 577K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Lundell Ranch G-4-200450 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 4.39K | 647K | Mar 2004 – Nov 2010 | Hilcorp Energy Company |
| Lundell Ranch G-4-195785 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 4.36K | 1M | Jun 2003 – Nov 2010 | Hilcorp Energy Company |
| Lundell Ranch G-4-215498 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 4.29K | 459K | Sep 2005 – Nov 2010 | Hilcorp Energy Company |
| Lundell Ranch G-4-190025 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 4.22K | 295K | Jul 2002 – Nov 2010 | Hilcorp Energy Company |
| Lobo Solo G-4-168672 | Coyote, West | Jim Hogg | 1 | 3.82K | 126K | Oct 2003 – Nov 2010 | Bordertown Energy Resources, LLC |
| Bloomberg Unit "A" G-4-180031 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 3.82K | 216K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D G-4-208684 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 3.79K | 137K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Miller G-4-164098 | Sweden (Hiawatha, Upper) | Duval | 1 | 3.79K | 587K | May 1997 – Nov 2010 | Proline Energy Resources Inc |
| Bloomberg, Samuel D. G-4-216579 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 3.78K | 389K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg G-4-175502 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 3.76K | 144K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Lundell Ranch G-4-141509 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 3.73K | 228K | Jan 2002 – Nov 2010 | Hilcorp Energy Company |
| Lobo Solo G-4-167442 | Coyote, West (Queen City) | Jim Hogg | 1 | 3.7K | 177K | Oct 2003 – Nov 2010 | Bordertown Energy Resources, LLC |
| Bloomberg, Samuel D. G-4-256765 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 3.66K | 350K | Jul 2007 – Nov 2010 | off the schedule |
| Lundell 40 G-4-208103 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 3.37K | 495K | Oct 2004 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-253025 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 3.33K | 417K | Oct 2007 – Nov 2010 | Hilcorp Energy Company |
| Lundell 40 G-4-206815 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 3.3K | 501K | Oct 2004 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-205311 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 3.3K | 253K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-155194 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 3.26K | 355K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-251338 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 3.21K | 172K | Nov 2007 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-203216 | Samano (1ST Massive) | Starr | 1 | 3.11K | 180K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Lundell 44 G-4-144314 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 3.06K | 211K | Oct 2003 – Nov 2010 | Hilcorp Energy Company |
| Lundell Ranch G-4-184779 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 2.98K | 181K | Jan 2002 – Nov 2010 | Hilcorp Energy Company |
| Welder Ranch G-4-199173 | Angelita New (Frio) | San Patricio | 1 | 2.95K | 20.5K | Jan 2007 – Nov 2010 | Proline Energy Resources Inc |
| Chapman Ranch C G-4-259277 | Mobil-David (Frio 12,600) | Nueces | 1 | 2.91K | 114K | Oct 2010 – Nov 2010 | off the schedule |
| Bloomberg G-4-187225 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 2.88K | 89.1K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-214809 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 2.86K | 621K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-203186 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 2.64K | 269K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-214779 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 2.63K | 155K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |
| Bloomberg, Samuel D. G-4-208066 | Flores, W. (Vksbrg, Geopressure) | Starr | 1 | 2.63K | 179K | Jan 2007 – Nov 2010 | Hilcorp Energy Company |