| Tomball GU 5 #542-201-00205 | Tandem Energy Corporation only | HarrisTomball | Temporarily abandonedGas | 5,574 | Jul 12, 1995 | 3 | — |
| Juergens #442-201-30319 | Americo Energy Resources LLC only | HarrisTomball (Martens NW.) | Shut inOil | 6,000 | Feb 13, 1995 | 3 | Oct 2011 |
| Mueller E. E. #542-201-00223 | Tortuga Operating Company only | HarrisTomball (Cockfield 5400) | ActiveGas | 5,615 | Jun 28, 1993 | 1 | Apr 2026 |
| Schultz E. -a- #242-201-00126 | Tandem Energy Corporation only | HarrisTomball (Schultz Central) | ActiveOil | 5,583 | Jan 17, 1990 | 1 | Apr 2026 |
| Mueller E. E. #642-201-00224 | Tortuga Operating Company only | HarrisTomball (Schultz Central) | PluggedOil | 5,616 | Apr 17, 1985 | 1 | — |
| Baker W.W. #442-201-31083 | Galloway Energy Co. only | HarrisTomball (Schultz Central) | Shut inOil | 5,844 | Oct 23, 1984 | 2 | Dec 2005 |
| Bloecher Wm. Est. #342-201-00214 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | 5,579 | Nov 17, 1983 | 1 | — |
| Dooley E.T. #142-201-00519 | Exxon Corp. only | HarrisTomball | PluggedOil | 5,572 | Oct 27, 1983 | 1 | — |
| Tomball Ordinance Oil Unit #268 #1 L42-201-00492 | Exxon Corp. only | HarrisTomball (Schultz Lo. C) | PluggedOil | 5,591 | Jan 5, 1983 | 1 | — |
| Ziegler A. #242-201-00376 | Pringle Petroleum Inc. only | HarrisTomball (Miocene 1750) | PluggedGas | 5,584 | Jul 2, 1982 | 2 | — |
| Ziegler A. #342-201-00377 | Texaco Inc. only | HarrisTomball (Schultz Central) | PluggedOil | 5,618 | Jul 2, 1982 | 2 | — |
| Stallones B.E. -a- #242-201-30326 | Exxon Corp. only | HarrisTomball (Miocene 3320) | PluggedGas | 5,694 | Apr 8, 1982 | 2 | — |
| Stallones B. E. -a- #142-201-00229 | Exxon Corp. only | HarrisTomball (Schultz Central) | Not on scheduleOil | 5,585 | Feb 5, 1982 | 1 | — |
| Weindorff R. -a- #142-201-00134 | Exxon Corp. only | HarrisTomball | PluggedOil | 5,576 | Mar 19, 1981 | 1 | — |
| Bloecher Wm. Est. #642-201-00217 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | 5,572 | May 28, 1980 | 2 | — |
| Townsite Unit #8 #142-201-00542 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | 5,574 | Jan 19, 1979 | 2 | — |
| Theis Jacob #242-201-00139 | Exxon Corp. only | HarrisTomball | PluggedOil | 5,355 | Aug 2, 1978 | 1 | — |
| Juergens C. W. #242-201-00485 | Amerada Hess Corporation only | HarrisTomball (Schultz Central) | PluggedOil | 5,594 | Jun 21, 1978 | 1 | — |
| Schultz E. -a- #342-201-00127 | Tandem Energy Corporation only | HarrisTomball (Schultz Central) | Not on scheduleOil | — | — | 0 | — |
| Theis Jacob #142-201-00138 | Exxon Corp. only | HarrisTomball (Schultz Central) | Not on scheduleOil | — | — | 0 | — |
| Scherer Geo. #142-201-00209 | Tortuga Operating Company only | HarrisTomball (Schultz Central) | Shut inOil | 5,500 | — | 0 | — |
| Tomball Gas Unit No. 5 #2 C42-201-00210 | Humble Oil & Refining Co. only | HarrisTomball (Jackson 4400) | PluggedGas | — | — | 0 | — |
| Mueller E. #142-201-00219 | Tortuga Operating Company only | HarrisTomball (Jackson 4400) | PluggedGas | — | — | 0 | — |
| Mueller E. E. #4 F42-201-00220 | Tortuga Operating Company only | HarrisTomball (Wilcox 8400) | ActiveGas | 8,503 | — | 0 | — |
| Mueller E. E. #342-201-00222 | Tortuga Operating Company only | HarrisTomball (Schultz Central) | Shut inOil | 5,500 | — | 0 | — |
| Ziegler A. #142-201-00375 | Texaco Inc. only | HarrisTomball (Schultz Central) | Not on scheduleOil | — | — | 0 | — |
| Ziegler A. #442-201-00378 | Texaco Inc. only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| Tomball GU 14 #1842-201-00482 | Exxon Corp. only | HarrisTomball | PluggedGas | — | — | 0 | — |
| Juergens C. W. #342-201-00486 | Amerada Hess Corporation only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| Juergens C. W. #142-201-00487 | Amerada Hess Corporation only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| 142-201-00491 | Exxon Corp. only | HarrisTomball (Schultz Central) | Not on scheduleOil | — | — | 0 | — |
| Tomball Gas Unit 14 #1042-201-00493 | Exxon Corp. only | HarrisTomball (Jackson 4400) | Not on scheduleGas | — | — | 0 | — |
| Ashley C. C. #142-201-00513 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| 142-201-00514 | Exxon Corp. only | HarrisTomball (Schultz Central) | Not on scheduleOil | — | — | 0 | — |
| Matthews N. C. #142-201-00515 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| Carrel W. A. #142-201-00518 | Tortuga Operating Company only | HarrisTomball (Schultz Central) | Shut inOil | 5,500 | — | 0 | — |
| Winslow J. L. #142-201-00525 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| Bishop L. #2 D42-201-00527 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| Tomball Gas Unit No. 13 #142-201-00531 | Exxon Corp. only | HarrisTomball (Jackson 4400) | Not on scheduleGas | — | — | 0 | — |
| 42-201-0054142-201-00541 | — | Harris | Not on scheduleGas | — | — | 0 | — |
| Townsite Unit #4 #142-201-00544 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| Bishop L. #142-201-03948 | Exxon Corp. only | HarrisTomball (Schultz Central) | Not on scheduleOil | — | — | 0 | — |
| 142-201-08035 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| Juergens C. W. -B- #342-201-30141 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |
| 242-201-82181 | Exxon Corp. only | HarrisTomball (Schultz Central) | Not on scheduleOil | — | — | 0 | — |
| Tomball Townsite Unit #26 #142-201-82186 | Exxon Corp. only | HarrisTomball (Schultz Central) | PluggedOil | — | — | 0 | — |