| Parker, J. E. -P- (Amoco) O-10-17903 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 9 | 354K | 91.8K | by Jan 1993 – Aug 2026 |
| Parker-State O-10-34502 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 182K | 94K | May 1995 – Aug 2026 |
| Parker, J. E. "F" O-10-34358 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 2 | 170K | 37.4K | Dec 1994 – Aug 2026 |
| Parker, J. E. "X" O-10-34238 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 3 | 138K | 37.5K | Aug 1994 – Aug 2026 |
| Parker, J. E. -H- (Amoco) O-10-17902 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 14 | 132K | 53.4K | by Jan 1993 – Aug 2026 |
| Parker, J.E. "F" O-10-23793 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 3 | 132K | 38.4K | by Jan 1993 – Aug 2026 |
| Parker, J. E. -N- O-10-23087 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 2 | 120K | 17.3K | by Jan 1993 – Aug 2026 |
| Armstrong, Eliz. O-10-17908 | Reverence Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 3 | 116K | 20 | by Jan 1993 – Aug 2026 |
| Parker -A- O-10-26075 | Reverence Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 2 | 106K | 18.6K | by Jan 1993 – Aug 2026 |
| Parker 18 O-10-51355 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 94.9K | 26.4K | Feb 2019 – Aug 2026 |
| Parker, J. E. "Q" O-10-23336 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 3 | 82.7K | 15.4K | by Jan 1993 – Aug 2026 |
| Parker, J.E. "P" O-10-28994 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 2 | 80.9K | 28.2K | by Jan 1993 – Jan 2022 |
| Ford, H. M. O-10-18241 | Grace Petroleum Operating, LLC only | Parker (Grayburg, San Andres) | Andrews | 5 | 77.7K | 52 | by Jan 1993 – Aug 2026 |
| Doelling, Bessie Lou O-10-34554 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 2 | 76.6K | 21.9K | Jul 1995 – Aug 2026 |
| Parker "C" O-10-28596 | Reverence Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 2 | 74.7K | 20 | by Jan 1993 – Aug 2026 |
| Parker 2 O-10-51364 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 55.9K | 19.1K | Jun 2019 – Aug 2026 |
| Parker, J. E. -T- (Amoco) O-10-17905 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 54.9K | 20.3K | by Jan 1993 – Aug 2026 |
| Parker, J. E. -U- O-10-17906 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 52.3K | 20.4K | Mar 1993 – Aug 2026 |
| Parker, J. E. -A-TR O-10-22240 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 43K | 18.2K | by Jan 1993 – Aug 2026 |
| Parker, J. E. "D" O-10-34619 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 40.7K | 37.6K | Aug 1995 – Jun 2016 |
| Parker, J. E. O-10-20971 | Permian Solutions LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 35.1K | 1.84K | by Jan 1993 – Aug 2026 |
| Parker, J. E. "T" O-10-23603 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 31.3K | 13.3K | by Jan 1993 – Aug 2026 |
| Walker O-10-31350 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 23.6K | 14.6K | by Jan 1993 – Sep 2020 |
| Parker, J.E. Fee "K" O-10-24563 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 2 | 17.7K | 2.85K | by Jan 1993 – Feb 2008 |
| Ford, H. M. -B- O-10-31679 | Grace Petroleum Operating, LLC only | Parker (Grayburg, San Andres) | Andrews | 2 | 13.4K | 46 | by Jan 1993 – Aug 2026 |
| Parker, J. E. -A- O-10-21257 | Chevron Midcontinent, L.P. only | Parker (Grayburg, San Andres) | Andrews | 1 | 10.1K | 4.53K | by Jan 1993 – Aug 2002 |
| Halliday O-10-18071 | Chevron Midcontinent, L.P. only | Parker (Grayburg, San Andres) | Andrews | 2 | 9.57K | 9.18K | by Jan 1993 – Apr 2007 |
| Parker, J. E. -D- (Amoco) O-10-21157 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 3 | 8.48K | 8.9K | by Jan 1993 – Feb 1996 |
| Parker, J. E. -AA- O-10-46048 | Morningstar Operating LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 5.77K | 0 | Sep 2013 – Jul 2020 |
| Ford, H. M. -C- O-10-32968 | Ranger 40 Petroleum, LLC only | Parker (Grayburg, San Andres) | Andrews | 4 | 3.52K | 34 | Feb 1993 – Mar 2020 |
| Ford, H.M. -C- O-10-56732 | Grace Petroleum Operating, LLC only | Parker (Grayburg, San Andres) | Andrews | 1 | 0 | 0 | — |
| Ford, H. M. -A- O-10-60892 | Baker Operating, Inc. only | Parker (Grayburg, San Andres) | Andrews | 1 | 0 | 0 | — |
| Lonis Estate O-10-28746 | Apache Corporation only | Parker (Grayburg, San Andres) | Andrews | 1 | 0 | 0 | — |
| Parker -a- NCT O-10-26231 | Olsen Energy Inc. only | Parker (Grayburg, San Andres) | Andrews | 1 | 0 | 0 | — |