| Gutierrez G-4-165078 | Draco (6200 Queen City ) | Starr | 1 | 6.96K | 600K | Feb 1997 – Dec 2002 | Marwell Petroleum Ltd Partnrship |
| Parsons, A.L. O-3-17259 | Aggieland (Woodbine) | Brazos | 1 | 6.67K | 111K | Jan 2002 – Dec 2002 | Rumble Energy LLC |
| Martinez, B. G-4-37623 | Rincon, North (Vicksburg 8200) | Starr | 1 | 6.38K | 1.19M | by Jan 1993 – Dec 2002 | Hilcorp Energy Company |
| Lohberger O-14-7369 | Thorndike (Missouri Lower) | Wheeler | 1 | 6.27K | 10 | Oct 2000 – Dec 2002 | Rio Petroleum, Inc. |
| Martinez C G-4-185641 | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 6.18K | 463K | Oct 2001 – Dec 2002 | Hilcorp Energy Company |
| Sherman G-6-170700 | Oliver Creek (Travis Peak) | Shelby | 1 | 5.9K | 499K | Aug 1998 – Dec 2002 | Adamas Energy LLC |
| Martinez -B- G-4-164821 | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 5.84K | 1.58M | Oct 1997 – Dec 2002 | Hilcorp Energy Company |
| Vastar G-3-164798 | Vidor Ames, S. (Yegua DY) | Orange | 1 | 5.72K | 335K | Jan 2002 – Dec 2002 | Noble Energy Inc |
| Conlee Bros. et Al O-3-17653 | Aggieland (Woodbine) | Brazos | 5 | 5.7K | 82.9K | Jan 2002 – Dec 2002 | Ramtex Energy LLC |
| Martinez -B- G-4-167150 | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 5.62K | 762K | Mar 1998 – Dec 2002 | Noble Energy Inc |
| Escobar Unit G-4-160489 | Capricorn (Queen City A) | Starr | 1 | 5.52K | 1.06M | Mar 1997 – Dec 2002 | Fargo Oil & Gas, LLC |
| Martinez, E.L. Gas Unit G-4-159872 | Guadalupe (Cavazos) | Hidalgo | 1 | 4.59K | 63.7K | Jan 2002 – Dec 2002 | Noble Energy Inc |
| Pierce Estate G-3-177936 | Sugar Valley (Frio 9,000) | Matagorda | 1 | 4.48K | 435K | Jan 2002 – Dec 2002 | Cypress Production, Inc. |
| Martinez -B- G-4-13017 | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 4.28K | 735K | by Jan 1993 – Dec 2002 | Hilcorp Energy Company |
| Hurt, George E. G-3-183003 | Weed (Nodosaria) | Jefferson | 1 | 3.88K | 190K | Jan 2002 – Dec 2002 | Noble Energy Inc |
| Martinez B G-4-187358 | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 3.62K | 222K | Feb 2002 – Dec 2002 | this operator |
| Valley Ridge Unit O-3-18048 | Aggieland (Woodbine) | Brazos | 1 | 3.29K | 31.6K | Jan 2002 – Dec 2002 | Rumble Energy LLC |
| Martinez -B- G-4-176565 | Rincon, North (Vicksburg 8200) | Starr | 1 | 3.19K | 303K | Mar 2000 – Dec 2002 | Hilcorp Energy Company |
| Martinez -B- G-4-166753 | Rincon, North (Vicksburg 7250) | Starr | 1 | 3.08K | 277K | Dec 1997 – Dec 2002 | Hilcorp Energy Company |
| Martinez -B- G-4-175794 | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 2.97K | 211K | Jan 2000 – Dec 2002 | Noble Energy Inc |
| Martinez -B- G-4-164856 | Rincon, North (Vicksburg 6700) | Starr | 1 | 2.53K | 679K | Sep 1997 – Dec 2002 | Noble Energy Inc |
| Aggie Sigma Chi O-3-17909 | Aggieland (Woodbine) | Brazos | 1 | 2.41K | 34.4K | Jan 2002 – Dec 2002 | Rumble Energy LLC |
| Rainwater G-3-190948 | Alvin, South (#51) | Brazoria | 1 | 2.37K | 393K | Sep 2002 – Dec 2002 | Hilcorp Energy Company |
| Red Gas Unit G-3-191843 | Orange, NW. (Hackberry 8100) | Orange | 1 | 2.32K | 105K | Sep 2002 – Dec 2002 | Noble Energy Inc |
| Guerra G-4-182163 | Roma, North (Queen City) | Starr | 1 | 1.98K | 428K | Mar 2001 – Dec 2002 | Howard Exploration, Inc. |
| Wall Estate O-3-23944 | Dickinson, SE. (F. Seg. 2 Frio) | Galveston | 1 | 1.87K | 57.7K | Jan 2002 – Dec 2002 | Noble Energy Inc |
| Thomas G-3-181301 | Pheasant (Nelson) | Matagorda | 1 | 1.83K | 106K | Feb 2001 – Dec 2002 | Noble Energy Inc |
| E. L. Martinez G. U. No. 1 G-4-154530 | McAllen Ranch (Vicksburg N) | Hidalgo | 1 | 1.82K | 116K | Jan 2002 – Dec 2002 | Hilcorp Energy Company |
| Martinez, E.L. Gas Unit I O-4-12839 | Guadalupe (Cavazos) | Hidalgo | 1 | 1.55K | 0 | Jan 2002 – Dec 2002 | Hilcorp Energy Company |
| Martinez B G-4-162232 | Rincon, North (Vicksburg 6820) | Starr | 1 | 1.52K | 609K | Mar 1997 – Dec 2002 | Hilcorp Energy Company |
| Murphy Unit O-3-17581 | Aggieland (Woodbine) | Brazos | 1 | 1.33K | 22.5K | Jan 2002 – Dec 2002 | Chaparral Energy, L.L.C. |
| Pipkin Ranch G-3-182396 | Ski a Basin (Frio 2) | Jefferson | 1 | 1.31K | 467K | Jan 2002 – Dec 2002 | Goldston Oil Corporation |
| Martinez "B" G-4-133856 | Rincon, North | Starr | 1 | 1.28K | 254K | Feb 1993 – Dec 2002 | Hilcorp Energy Company |
| Pearson, W. S. et Al O-3-18122 | Aggieland (Woodbine) | Brazos | 1 | 1.16K | 15.3K | Jan 2002 – Dec 2002 | Rumble Energy LLC |
| Favor O-3-17874 | Aggieland (Woodbine) | Brazos | 1 | 1.14K | 17.2K | Jan 2002 – Dec 2002 | Ramtex Energy LLC |
| Cross Media G-3-175740 | Gillock (Big Gas, FB-F) | Galveston | 1 | 1.14K | 96.5K | Jan 2002 – Dec 2002 | Amrwr, LLC |
| Pierce G-3-187338 | Pheasant (Simpson) | Matagorda | 1 | 1.11K | 164K | Aug 2001 – Dec 2002 | Dallas Production, Inc. |
| Southwest Royalty Gas Unit G-4-82563 | Guadalupe (Cavazos) | Hidalgo | 1 | 967 | 14.4K | Jan 2002 – Dec 2002 | Noble Energy Inc |
| Red Gas Unit G-3-162885 | Orangefield (Hackberry 8000) | Orange | 1 | 898 | 44.3K | Jan 2002 – Dec 2002 | Noble Energy Inc |
| McDermand Unit G-3-175990 | Nome, S. (Nodosaria -A-) | Jefferson | 1 | 890 | 23.1K | Jan 2002 – Dec 2002 | Buffco Production Inc. |
| Webster G-3-190436 | Rowan, NE (Frio 10600) | Brazoria | 1 | 780 | 199K | Jul 2002 – Dec 2002 | Azimuth Energy, LLC |
| Escobar G-4-182806 | Capricorn (Queen City A) | Starr | 1 | 650 | 138K | May 2001 – Dec 2002 | Fargo Oil & Gas, LLC |
| Jefferson Land Co G-3-175352 | Lovells Lake, N. (7800) | Jefferson | 1 | 643 | 236K | Jan 2002 – Dec 2002 | Finaly Resources LLC |
| Sonat Minerals G-3-174725 | Orangefield (Hackberry 8000) | Orange | 1 | 603 | 27.4K | Jan 2002 – Dec 2002 | Noble Energy Inc |
| Martinez C O-4-13121 | Rincon, North (Vicksburg 5200) | Starr | 1 | 522 | 3.14K | Nov 2002 – Dec 2002 | Noble Energy Inc |
| Darrington Unit G-3-191105 | Sandy Point, W. (6400) | Brazoria | 1 | 520 | 61.3K | Oct 2002 – Dec 2002 | Noble Energy Inc |
| Martinez C G-4-189648 | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 516 | 56.6K | Jun 2002 – Dec 2002 | Hilcorp Energy Company |
| Martinez C G-4-185473 | Rincon, N. (Vicksburg Cons.) | Starr | 1 | 501 | 145K | Sep 2001 – Dec 2002 | Noble Energy Inc |
| Triangle G-3-191683 | Chocolate Bayou ( Rycade) | Brazoria | 1 | 482 | 55K | Sep 2002 – Dec 2002 | Noble Energy Inc |
| Ellis G-3-178767 | Round Point S (8750 Frio) | Chambers | 1 | 481 | 77K | Jan 2002 – Dec 2002 | Sandel Operating Company |