| South Callaghan Ranch #16642-479-37033 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,000 | Jul 20, 1998 | — | — |
| South Callaghan Ranch #14542-479-36626 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 10,500 | May 12, 1998 | — | — |
| Briscoe Ranch #3442-127-33155 | Rosetta Resources Operating LP | Dimmit, TXCatarina SW. (Olmos) | PluggedGas | 5,200 | Mar 5, 1998 | — | — |
| Williams Heirs #142-373-30879 | Rosetta Resources Operating LP | Polk, TXCannon Creek (Frio) | PluggedGas | 4,000 | Dec 10, 1997 | — | — |
| Martin J. C. III #1742-479-36734 | Rosetta Resources Operating LP | Webb, TXCerrito Creek (Lobo Cons.) | PluggedGas | 10,500 | Aug 5, 1997 | — | — |
| South Callaghan Ranch #15742-479-36696 | Rosetta Resources Operating LP | Webb, TXDos Payasos (Lobo Stray) | PluggedGas | 10,000 | May 29, 1997 | — | — |
| South Callaghan Ranch #15442-479-36685 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 10,500 | May 6, 1997 | — | — |
| South Callaghan Ranch #14142-479-36612 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 9,500 | Jan 8, 1997 | — | — |
| M.M.A. Cattle Co. #242-479-32678 | Rosetta Resources Operating LP | Webb, TXFausto (Lobo) | PluggedGas | 10,000 | Sep 16, 1996 | — | — |
| Pena H. L. #442-479-36193 | Rosetta Resources Operating LP | Webb, TXWildcat | ActiveGas | 9,100 | Aug 6, 1996 | — | — |
| South Callaghan Ranch #13942-479-36344 | Rosetta Resources Operating LP | Webb, TXCallaghan N. (Wilcox Lo.) | PluggedGas | 7,100 | Aug 1, 1995 | — | — |
| South Callaghan Ranch #11042-479-35687 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,800 | Mar 28, 1995 | — | — |
| South Callaghan Ranch #2942-479-35067 | Rosetta Resources Operating LP | Webb, TXBrettchance W. (Middle Wilcox) | PluggedGas | 7,800 | Mar 3, 1995 | — | — |
| Gates Ranch #e 642-479-31551 | Rosetta Resources Operating LP | Webb, TXDos Hermanos E. (Wilcox) | PluggedGas | 6,000 | Jan 26, 1995 | — | — |
| Briscoe Ranch #5HZ42-127-30728 | Rosetta Resources Operating LP | Dimmit, TXCatarina SW. (Olmos) | PluggedGas | 5,275 | Nov 17, 1994 | — | — |
| Briscoe Ranch #3HZ42-127-30725 | Rosetta Resources Operating LP | Dimmit, TXCatarina SW. (Olmos) | PluggedGas | 5,255 | Nov 16, 1994 | — | — |
| South Callaghan Ranch #13842-479-36194 | Rosetta Resources Operating LP | Webb, TXCallaghan N. (Wilcox Lo.) | PluggedGas | 7,800 | Sep 23, 1994 | — | — |
| South Callaghan Ranch #13742-479-36190 | Rosetta Resources Operating LP | Webb, TXCallaghan N. (Wilcox Lo.) | PluggedGas | 7,500 | Sep 21, 1994 | — | — |
| South Callaghan Ranch #13442-479-36168 | Rosetta Resources Operating LP | Webb, TXContempo (Lobo 2) | PluggedGas | 8,600 | Aug 22, 1994 | — | — |
| G.b.g.l.&c. Co. Ltd. #1242-479-36096 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,400 | May 3, 1994 | — | — |
| Stanford P.H. #442-479-34548 | Rosetta Resources Operating LP | Webb, TXBig Cowboy (Lobo 1) | PluggedGas | 10,000 | Apr 22, 1994 | — | — |
| South Callaghan Ranch #1742-479-34718 | Rosetta Resources Operating LP | Webb, TXBig Cowboy (Middle Wilcox) | PluggedGas | 9,600 | Apr 22, 1994 | — | — |
| South Callaghan Ranch #8042-479-35490 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo 6) | PluggedGas | 8,500 | Mar 23, 1994 | — | — |
| South Callaghan Ranch #12542-479-36052 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 9,600 | Mar 17, 1994 | — | — |
| South Callaghan Ranch #12342-479-36043 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 9,100 | Mar 3, 1994 | — | — |
| South Callaghan Ranch #12242-479-36042 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,900 | Feb 28, 1994 | — | — |
| South Callaghan Ranch #11942-479-36029 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 9,500 | Feb 7, 1994 | — | — |
| G.B.G.L. & C. Co. Ltd. #1142-479-36005 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,300 | Jan 6, 1994 | — | — |
| South Callaghan Ranch #4742-479-35239 | Rosetta Resources Operating LP | Webb, TXCallaghan N. (Lobo Stray) | PluggedGas | 12,000 | Oct 7, 1993 | — | — |
| South Callaghan Ranch #11442-479-35765 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 9,600 | Oct 7, 1993 | — | — |
| South Callaghan Ranch #5442-479-35342 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,400 | Sep 27, 1993 | — | — |
| South Callaghan Ranch #6842-479-35433 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Middle Wilcox) | PluggedGas | 11,000 | Sep 27, 1993 | — | — |
| South Callaghan Ranch #9642-479-35630 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,200 | Jul 23, 1993 | — | — |
| Gates Ranch Company #4G42-479-30220 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | PluggedGas | 5,650 | May 20, 1993 | — | — |
| Gates E #742-479-31556 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | ActiveWater Supply | 5,750 | May 20, 1993 | — | — |
| Gates Ranch Company #h 342-479-32187 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | PluggedGas | 5,800 | Mar 2, 1993 | — | — |
| Gates Ranch Company #5G42-479-30238 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | PluggedGas | 5,788 | Feb 24, 1993 | — | — |
| South Callaghan Ranch #11542-479-35761 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,600 | Feb 9, 1993 | — | — |
| Gates Ranch #d 742-479-32019 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | PluggedGas | 5,800 | Dec 31, 1992 | — | — |
| South Callaghan Ranch #3942-479-35153 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,750 | Dec 29, 1992 | — | — |
| South Callaghan Ranch #6342-479-35399 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,065 | Dec 29, 1992 | — | — |
| South Callaghan Ranch #10642-479-35716 | Rosetta Resources Operating LP | Webb, TXCallaghan (Wilcox) | PluggedGas | 7,500 | Dec 29, 1992 | — | — |
| Gates Ranch #h 742-479-32242 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | PluggedGas | 6,000 | Dec 23, 1992 | — | — |
| South Callaghan Ranch #942-479-34215 | Rosetta Resources Operating LP | Webb, TXDix Ranch(lobo 1) | PluggedGas | 9,400 | Dec 22, 1992 | — | — |
| Gates B #199442-479-31373 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | PluggedGas | 5,390 | Dec 9, 1992 | — | — |
| Gates E #1142-479-31850 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | PluggedGas | 5,800 | Dec 8, 1992 | — | — |
| South Callaghan Ranch #6042-479-35396 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Wilcox Lo.) | PluggedGas | 9,500 | Dec 4, 1992 | — | — |
| South Callaghan Ranch #6642-479-35440 | Rosetta Resources Operating LP | Webb, TXBeccero Creek (Lobo Cons.) | PluggedGas | 8,125 | Dec 2, 1992 | — | — |
| Petty O.S. #301542-479-32457 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | PluggedGas | 5,700 | Dec 1, 1992 | — | — |
| Gates Ranch #d 442-479-31945 | Rosetta Resources Operating LP | Webb, TXGold River North (Olmos) | PluggedGas | 6,000 | Nov 23, 1992 | — | — |