| Echols #242-427-32982 | White Oak Operating Company LLC | Starr, TXCowboy (Vksbg 9500) | ActiveGas | 9,950 | Jan 15, 2019 | — | — |
| Petty O. S. #20442-479-33970 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 6,250 | Oct 21, 2008 | — | — |
| Petty Ranch #703442-479-37108 | White Oak Operating Company LLC | Webb, TXCatarina SW. (Olmos) | PluggedGas | 5,900 | Mar 7, 2008 | — | — |
| Petty Ranch #100542-479-38871 | White Oak Operating Company LLC | Webb, TXCatarina SW. (Olmos) | PluggedGas | 5,826 | Mar 7, 2008 | — | — |
| South Texas Syndicate 1391-42 #242-283-31689 | White Oak Operating Company LLC | La Salle, TXWashburn East (5100) | PluggedOil | 6,000 | May 1, 2007 | — | — |
| South Texas Synicate 1391-42 #142-283-31674 | White Oak Operating Company LLC | La Salle, TXWashburn East (4800) | PluggedOil | 5,900 | Apr 16, 2007 | — | — |
| Cockburn H. C. #63 D42-481-02627 | White Oak Operating Company LLC | Wharton, TXMagnet Withers (Marginulina 1) | PluggedGas | 6,322 | Oct 3, 2006 | — | — |
| Gates Ranch W #303342-479-37687 | White Oak Operating Company LLC | Webb, TXCatarina SW. (Olmos-2) | PluggedOil | 5,900 | Feb 10, 2006 | — | — |
| Gates Ranch B #503542-479-33839 | White Oak Operating Company LLC | Webb, TXCatarina SW. (Olmos) | PluggedGas | 6,250 | Oct 13, 2005 | — | — |
| Guerra F. B. F #242-427-05040 | White Oak Operating Company LLC | Starr, TXLa Reforma (F) | PluggedGas | 7,505 | Jan 6, 2005 | — | — |
| Holloway SWD #1D42-245-32362 | White Oak Operating Company LLC | Jefferson, TXAlphabet Soup Z (Hackberry) | PluggedGas | 4,660 | Jun 14, 2004 | — | — |
| McKendrick Cookie #142-479-37100 | White Oak Operating Company LLC | Webb, TXDolores Creek (Lobo 8500) | PluggedGas | 11,000 | Mar 22, 2004 | — | — |
| Petty Ranch #120642-479-37226 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 5,800 | Nov 3, 2003 | — | — |
| Cockburn H. C. #1042-481-02603 | White Oak Operating Company LLC | Wharton, TXWildcat | PluggedGas | 5,540 | Aug 22, 2003 | — | — |
| Petty O.S. #80642-479-33267 | White Oak Operating Company LLC | Webb, TXCatarina SW (San Miguel Oil) | PluggedGas | 6,250 | Apr 21, 2003 | — | — |
| Gates Ranch B #603542-479-34386 | White Oak Operating Company LLC | Webb, TXCatarina SW. (Olmos-2) | PluggedOil | 6,000 | May 1, 2001 | — | — |
| Gill F. J. #1142-479-37795 | White Oak Operating Company LLC | Webb, TXRottersman (Lobo) | PluggedGas | 11,000 | Apr 30, 2001 | — | — |
| Gates Ranch #299342-479-37628 | White Oak Operating Company LLC | Webb, TXCatarina SW. (Olmos) | PluggedGas | 6,000 | Apr 20, 2001 | — | — |
| Gates Ranch W #123442-479-37471 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 5,900 | Apr 13, 2001 | — | — |
| Petty Ranch #902142-479-37750 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | Mar 5, 2001 | — | — |
| Petty Ranch #801942-479-37734 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | Feb 7, 2001 | — | — |
| Petty Ranch #50142-479-37707 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,600 | Jan 12, 2001 | — | — |
| Hein Luz A. #1742-505-34265 | White Oak Operating Company LLC | Zapata, TXLa Perla (Lobo Cons.) | PluggedGas | 11,500 | Dec 20, 2000 | — | — |
| Petty Ranch #903442-479-37442 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 5,900 | Dec 15, 2000 | — | — |
| Petty Ranch #802042-479-37675 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | Nov 27, 2000 | — | — |
| Petty Ranch #131842-479-37653 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,450 | Nov 14, 2000 | — | — |
| King Gas Unit #142-291-32374 | White Oak Operating Company LLC | Liberty, TXHull South (Yegua Middle) | PluggedGas | 9,800 | Oct 30, 2000 | — | — |
| Petty O. S. #201642-479-32458 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,775 | Oct 6, 2000 | — | — |
| Tiger Oak GU #142-321-31822 | White Oak Operating Company LLC | Matagorda, TXWildcat | PluggedGas | 14,000 | Sep 8, 2000 | — | — |
| Petty Ranch #701942-479-37572 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | Aug 11, 2000 | — | — |
| Petty Ranch #100842-479-37558 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 5,850 | Jul 28, 2000 | — | — |
| Goldston W. L. et al #4442-215-32099 | White Oak Operating Company LLC | Hidalgo, TXLos Indios (UF-50) | PluggedGas | 8,600 | Jun 19, 2000 | — | — |
| Exxon #142-361-30725 | White Oak Operating Company LLC | Orange, TXBig Thicket (EY 2A) | PluggedOil | 12,000 | May 12, 2000 | — | — |
| Petty Ranch #90842-479-37470 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 5,850 | Apr 11, 2000 | — | — |
| Petty Ranch #701842-479-37397 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | Jan 12, 2000 | — | — |
| Petty Ranch #802142-479-37390 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | Dec 20, 1999 | — | — |
| Gates Ranch W #603242-479-37388 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 5,900 | Dec 3, 1999 | — | — |
| Hein Luz A. Estate #1442-479-37361 | White Oak Operating Company LLC | Webb, TXLa Perla (Lobo Cons.) | PluggedGas | 11,000 | Oct 6, 1999 | — | — |
| Petty Ranch #80542-479-37336 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 5,800 | Sep 10, 1999 | — | — |
| Petty Ranch #121842-479-37311 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | Jul 23, 1999 | — | — |
| Gates Ranch #803542-479-36946 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 5,900 | Jul 20, 1999 | — | — |
| South Texas Syndicate 104-5 #142-311-33548 | White Oak Operating Company LLC | McMullen, TXBig Mule (Olmos 8850) | PluggedOil | 9,500 | Jul 12, 1999 | — | — |
| Petty Ranch #70542-479-37291 | White Oak Operating Company LLC | Webb, TXCatarina SW. (San Miguel-Gas) | PluggedGas | 5,900 | Jun 18, 1999 | — | — |
| Garcia J. A. et al #2A42-427-31944 | White Oak Operating Company LLC | Starr, TXYturria NE. (5200 Stray) | PluggedGas | 8,000 | Jun 8, 1999 | — | — |
| Petty Ranch #30142-479-37277 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | May 18, 1999 | — | — |
| Petty Ranch #a 342-479-05011 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,750 | Apr 26, 1999 | — | — |
| Goldston W. L. et al #t 2 F42-215-32040 | White Oak Operating Company LLC | Hidalgo, TXLos Indios (UF-50) | PluggedGas | 7,500 | Apr 22, 1999 | — | — |
| Petty Ranch #111842-479-37251 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | Mar 31, 1999 | — | — |
| Holloway H. et UX #142-245-32197 | White Oak Operating Company LLC | Jefferson, TXAlphabet Soup Z (Hackberry) | PluggedGas | 8,700 | Mar 11, 1999 | — | — |
| Petty Ranch #111742-479-37240 | White Oak Operating Company LLC | Webb, TXGold River North (Olmos) | PluggedGas | 5,500 | Mar 10, 1999 | — | — |