| Rob Welder #142-409-32978 | Welder Exploration & Prod. Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 7,000 | Aug 3, 2012 | 1 | — |
| Welder R.H. #1642-409-01628 | Smith Production Inc. only | San PatricioPlymouth (3750) | PluggedGas | 4,677 | Nov 2, 1994 | 1 | Dec 2005 |
| Welder E.H. C #14542-409-01607 | McGowan Working Partners Inc. only | San PatricioPlymouth (3750) | Temporarily abandonedGas | 4,677 | Mar 31, 1994 | 2 | Mar 2001 |
| Welder R. H. a #3542-409-01749 | Smith Production Inc. only | San PatricioPlymouth (3600) | PluggedGas | 4,686 | Aug 30, 1993 | 2 | Oct 1993 |
| Welder R. H. #1042-409-01625 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 4,670 | Aug 13, 1987 | 1 | Dec 2005 |
| Welder R. H. #7 A42-409-30201 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 4,760 | Jul 25, 1986 | 1 | Dec 2005 |
| Welder R. H. #1242-409-01733 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedGas | 4,672 | Jun 30, 1986 | 1 | — |
| Welder R. H. #5942-409-03944 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedGas | 4,700 | Jun 30, 1986 | 3 | — |
| Welder R. H. #6 L42-409-01621 | Smith Production Inc. only | San PatricioPlymouth (Main Greta Sand) | PluggedOil | 6,153 | Jun 27, 1986 | 1 | Dec 2005 |
| Welder R. H. #6242-409-30544 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 4,750 | Jun 18, 1986 | 2 | Dec 2005 |
| Welder R. H. #15 A42-409-30329 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 4,713 | Jun 21, 1985 | 2 | Dec 2005 |
| Welder R. H. -a- #3742-409-01632 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 4,674 | Apr 1, 1985 | 1 | Nov 2003 |
| Welder R. H. #4042-409-01753 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 7,200 | Jan 28, 1985 | 1 | Dec 2005 |
| Welder R.H. #5342-409-01764 | Smith Production Inc. only | San PatricioPlymouth (4350) | PluggedOil | 4,685 | Jan 10, 1984 | 1 | Jan 1996 |
| Welder R. H. #3142-409-01744 | Smith Production Inc. only | San PatricioPlymouth (4400) | PluggedOil | 7,155 | May 19, 1983 | 1 | Aug 2003 |
| Welder R. H. #1942-409-01735 | Smith Production Inc. only | San PatricioPlymouth (3600) | PluggedGas | 4,672 | Jul 17, 1981 | 1 | — |
| Welder R. H. #442-409-01776 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 6,150 | Mar 10, 1981 | 1 | Dec 2005 |
| Welder R. H. #2142-409-01630 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 4,675 | Dec 21, 1979 | 2 | Dec 2005 |
| Welder R. H. -a- #1742-409-01629 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 4,672 | Dec 20, 1979 | 1 | — |
| Welder R. H. -a- #2942-409-01743 | Texaco Inc. only | San PatricioPlymouth (4350) | PluggedOil | 4,672 | Aug 23, 1979 | 1 | — |
| Welder R.H. #1542-409-01627 | Texaco Inc. only | San PatricioPlymouth (2000) | PluggedGas | 4,676 | Jan 4, 1979 | 2 | — |
| Welder R. H. #1WD42-409-01771 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 8,273 | Jul 27, 1978 | 2 | Dec 2005 |
| Welder R. H. #2642-409-01631 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | 4,673 | Oct 17, 1977 | 1 | Dec 2005 |
| Welder E. H. -C- #157 L42-409-01610 | McGowan Working Partners Inc. only | San PatricioPlymouth (Main Greta Sand) | Shut inOil | 4,650 | — | 0 | — |
| Welder R. H. -H- #442-409-01616 | Intercity Management Corp. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | — | — | 0 | — |
| Welder R. H. -H- #342-409-01617 | Intercity Management Corp. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | — | — | 0 | — |
| Welder R. H. #542-409-01620 | Smith Production Inc. only | San PatricioPlymouth (Main Greta Sand) | PluggedOil | — | — | 0 | — |
| Welder R. H. #7 L42-409-01622 | Smith Production Inc. only | San PatricioPlymouth (Main Greta Sand) | Not on scheduleOil | — | — | 0 | — |
| Welder R. H. #9 L42-409-01624 | Smith Production Inc. only | San PatricioPlymouth (Main Greta Sand) | PluggedOil | — | — | 0 | — |
| Welder R. H. #1142-409-01626 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | — | — | 0 | — |
| Welder R.H. #5242-409-01633 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedGas | — | — | 0 | — |
| Welder R. H. -G- #1742-409-01718 | Marathon Oil Company only | San PatricioPlymouth (Greta Stringer) | Not on scheduleGas | — | — | 0 | — |
| Welder R. H. -a- #18 U42-409-01734 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | — | — | 0 | — |
| Welder R. H. #2042-409-01736 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | — | — | 0 | — |
| Welder R. H. -a- #2242-409-01737 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | — | — | 0 | — |
| Welder R. H. #2342-409-01738 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedOil | — | — | 0 | — |
| Welder R. H. #33 L42-409-01746 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | Not on scheduleOil | — | — | 0 | — |
| Welder R.H. #3442-409-01748 | Smith Production Inc. only | San PatricioPlymouth (Greta Stringer) | PluggedGas | — | — | 0 | — |
| Welder R. H. #39 L42-409-01752 | Smith Production Inc. only | San PatricioPlymouth (Main Greta Sand) | Not on scheduleOil | — | — | 0 | — |
| Welder R. H. #2WD42-409-01772 | Smith Production Inc. only | San PatricioPlymouth (Main Greta Sand) | PluggedOil | — | — | 0 | — |
| Welder E. H. -C- #13842-409-80349 | McGowan Working Partners Inc. only | San PatricioPlymouth (Greta Stringer) | Not on scheduleOil | — | — | 0 | — |
| Welder E. H. -C- #13942-409-80350 | McGowan Working Partners Inc. only | San PatricioPlymouth (Greta Stringer) | Shut inOil | 5,893 | — | 0 | — |
| Welder E. H. -C- #14042-409-80352 | McGowan Working Partners Inc. only | San PatricioPlymouth (Greta Stringer) | Not on scheduleOil | — | — | 0 | — |
| Welder E. H. -C- #14742-409-80355 | McGowan Working Partners Inc. only | San PatricioPlymouth (Greta Stringer) | Not on scheduleOil | — | — | 0 | — |