| Adams Geo. B. #642-201-31847 | Tortuga Operating Company | HarrisTomball West (2700) | ActiveInjection | 5,686 | Oct 21, 2022 | 3 | Aug 2026 |
| Doughtie S. T. #942-201-00436 | Tortuga Operating Company | HarrisTomball (Cockfield 5400) | ActiveGas | 5,578 | Jan 31, 2013 | 1 | Aug 2026 |
| Coleman C. L. O/a #442-201-00265 | Tortuga Operating Company | HarrisTomball W. (Adams) | ActiveOil | 5,551 | Sep 17, 2008 | 1 | Aug 2026 |
| Lewis Sam #542-201-00235 | Tortuga Operating Company | HarrisTomball (Schultz SE.) | Shut inOil | 5,562 | Jun 7, 2007 | 2 | Aug 2026 |
| Hirsch Wm. #742-201-08016 | Tortuga Operating Company | HarrisTomball (Miocene 7A C) | PluggedGas | 5,650 | Jun 6, 2007 | 4 | Jun 2001 |
| Adams Geo. B. #142-201-00255 | Tortuga Operating Company | HarrisTomball W. (Adams) | ActiveOil | 5,567 | Mar 17, 2006 | 1 | Aug 2026 |
| Petrich Theresa #242-201-00332 | Tortuga Operating Company | HarrisTomball (Miocene 2400) | ActiveGas | 5,579 | Jun 22, 2005 | 6 | Aug 2026 |
| Kobs a #142-201-32715 | Tortuga Operating Company | HarrisTomball (Wilcox 8400) | ActiveGas | 12,717 | Apr 15, 2005 | 3 | Aug 2026 |
| Lewis Sam #7 F42-201-00237 | Tortuga Operating Company | HarrisTomball (Kobs) | Shut inGas | 6,400 | Aug 8, 2003 | 3 | Aug 2026 |
| Adams G. Unit #142-201-32665 | Tortuga Operating Company | HarrisTomball (Wilcox 8400) | Temporarily abandonedGas | 9,016 | Jul 22, 2003 | 1 | Nov 2024 |
| Rudel Otto #242-201-00346 | Tortuga Operating Company | HarrisTomball (Miocene 3500) | PluggedGas | 5,578 | Jun 27, 2003 | 2 | Jun 2005 |
| Schultz E. a #642-201-31947 | Tortuga Operating Company | HarrisTomball | ActiveGas | 6,720 | Aug 12, 2002 | 3 | Aug 2026 |
| Magnolia Realty #142-201-00327 | Tortuga Operating Company | HarrisTomball (Miocene 1450) | PluggedGas | 5,587 | Dec 5, 2001 | 5 | Dec 2002 |
| Treseler Lillie #142-201-00250 | Tortuga Operating Company | HarrisTomball West (Hockley) | ActiveGas | 5,592 | Oct 23, 2000 | 1 | Jun 2026 |
| Lewis Sam #8 H42-201-07623 | Tortuga Operating Company | HarrisTomball (Jackson 4400) | PluggedGas | 6,414 | Aug 22, 2000 | 3 | Aug 2026 |
| Hirsch Wm. #242-201-00322 | Tortuga Operating Company | HarrisTomball (Miocene 2400) | PluggedGas | 5,611 | May 8, 2000 | 1 | Nov 2007 |
| Hirsch Fred #242-201-00330 | Tortuga Operating Company | HarrisTomball (Cockfield) | PluggedGas | 5,578 | Apr 28, 2000 | 3 | May 2005 |
| Coleman O/a C.L. #342-201-00264 | Tortuga Operating Company | HarrisTomball (Miocene 2400) | Temporarily abandonedGas | 5,650 | Dec 9, 1997 | 3 | Jan 2001 |
| Coleman O/a C.L. #242-201-00263 | Tortuga Operating Company | HarrisTomball West (Hockley) | ActiveGas | 5,650 | Nov 24, 1997 | 2 | Aug 2026 |
| Magnolia Realty #242-201-00328 | Tortuga Operating Company | HarrisTomball (Miocene 2400) | PluggedGas | 5,602 | Jul 14, 1997 | 1 | Nov 1997 |
| Hirsch Wm #142-201-00326 | Tortuga Operating Company | HarrisTomball (Miocene 2700) | Temporarily abandonedGas | 5,612 | May 12, 1997 | 2 | Jun 1995 |
| Scherer W. B. #942-201-31512 | Tortuga Operating Company | HarrisTomball (Miocene 2700 FB-A) | ActiveGas | 6,802 | Sep 20, 1996 | 4 | Aug 2026 |
| Lewis Sam #142-201-00231 | Tortuga Operating Company | HarrisTomball (Schultz SE.) | Shut inOil | 5,535 | Jan 30, 1996 | 1 | Aug 2026 |
| Brautigam Gas Unit #142-201-32158 | Tortuga Operating Company | HarrisTomball (Miocene 1450) | PluggedGas | 5,850 | Jun 9, 1995 | 2 | Oct 2019 |
| Martens Hulda #242-201-30546 | Tortuga Operating Company | HarrisTomball (Miocene 1750) | ActiveGas | 5,678 | May 4, 1995 | 2 | Aug 2026 |
| Mueller E. E. #542-201-00223 | Tortuga Operating Company | HarrisTomball (Cockfield 5400) | ActiveGas | 5,615 | Jun 28, 1993 | 1 | Aug 2026 |
| Magnolia Realty #442-201-30371 | Tortuga Operating Company | HarrisTomball (Cockfield 5400) | Temporarily abandonedGas | 5,642 | Jun 2, 1993 | 1 | Jan 2008 |
| Mueller E. E. #242-201-00221 | Tortuga Operating Company | HarrisTomball (Miocene 3150) | Temporarily abandonedGas | 5,576 | Nov 18, 1992 | 1 | Aug 2000 |
| Lewis Sam #942-201-31962 | Tortuga Operating Company | HarrisTomball (Michel) | Shut inOil | 6,466 | Jul 3, 1992 | 3 | Aug 2026 |
| Petrich Theresa #342-201-00333 | Tortuga Operating Company | HarrisTomball (Hirsch NW.) | PluggedOil | 5,690 | Jul 23, 1990 | 5 | May 1995 |
| Faris Gas Unit #242-201-08043 | Tortuga Operating Company | HarrisHooks (Shallow) | PluggedGas | 5,570 | Mar 21, 1990 | 4 | Apr 1994 |
| Tomball Gas Unit 7 #342-201-00603 | Tortuga Operating Company | HarrisTomball (Cockfield UP 1-5300 SE) | ActiveGas | 5,577 | Jun 13, 1989 | 1 | Aug 2026 |
| Magnolia Realty #342-201-00329 | Tortuga Operating Company | HarrisTomball (Vicksburg 4050) | ActiveGas | 5,586 | Oct 21, 1988 | 4 | Aug 2026 |
| Adams Geo. B. #342-201-00258 | Tortuga Operating Company | HarrisTomball W. (Treseler -a- SD) | ActiveOil | 5,710 | May 12, 1988 | 1 | Aug 2026 |
| Martens Hulda #342-201-31042 | Tortuga Operating Company | HarrisTomball (Hirsch NW.) | Shut inOil | 6,120 | Jul 10, 1987 | 2 | Aug 1995 |
| Rudel C. R. #142-201-00384 | Tortuga Operating Company | HarrisTomball (Cockfield Upper 5500SW) | ActiveGas | 5,572 | Apr 30, 1986 | 2 | Aug 2026 |
| Lewis Sam #1042-201-32005 | Tortuga Operating Company | HarrisTomball (Schultz SE.) | ActiveOil | 6,462 | Jan 7, 1986 | 1 | Aug 2026 |
| Hillegeist E. #642-201-31848 | Tortuga Operating Company | HarrisTomball (Kobs) | ActiveGas | 5,663 | Nov 20, 1984 | 1 | Aug 2026 |
| Hirsch Wm. #342-201-00323 | Tortuga Operating Company | HarrisTomball (Cockfield Upper 5500) | PluggedGas | 5,581 | May 4, 1984 | 1 | Nov 2007 |
| Hirsch Wm. #442-201-00324 | Tortuga Operating Company | HarrisTomball (Miocene 30) | PluggedGas | 5,610 | May 4, 1984 | 1 | May 1995 |
| Metzler E. A. #3D42-201-00651 | Tortuga Operating Company | HarrisTomball (Schultz SE.) | Shut inOil | 5,672 | Apr 19, 1984 | 1 | Aug 2026 |
| Petrich Theresa #542-201-30285 | Tortuga Operating Company | HarrisTomball (Cockfield Upper 1-5300) | ActiveGas | 5,706 | Apr 18, 1980 | 1 | Aug 2026 |
| Hillegeist #242-201-00261 | Tortuga Operating Company | HarrisTomball W. (Treseler) | ActiveOil | 5,705 | Oct 10, 1979 | 1 | Jul 2025 |
| Hillegeist E. Tract 2 #342-201-00275 | Tortuga Operating Company | HarrisTomball (Kobs) | Temporarily abandonedGas | 5,620 | Apr 24, 1979 | 1 | Apr 1994 |