| 03-139-03719-00-00 | 11137 | Mayfield, A. M. | Colorado Oil and Gas Corp | UNION | 21-18S-17W | SHULER | MAYFIELD B | Oil - Production | Plugged and Abandoned |
| 03-139-03731-00-00 | 11242 | Dumas, B. M. | Shuler Drilling Co Inc | UNION | 21-18S-17W | SHULER | MAYFIELD B | Oil - Production | Plugged and Abandoned |
| 03-139-03733-00-00 | 12301 | Mayfield | Shuler Drilling Company Inc | UNION | 21-18S-17W | SHULER | MAYFIELD B | Oil - Production | Active |
| 03-139-03734-00-00 | 11554 | Lagrone, W. L. | Shuler Drilling Company Inc | UNION | 21-18S-17W | SHULER | MAYFIELD B | Oil - Production | Active |
| 03-139-03737-00-00 | 11518 | McKinnon | Sewell Production, LLC | UNION | 22-18S-17W | SHULER | MAYFIELD B | Oil - Production | Inactive - Not TA |
| 03-139-03764-00-00 | 11571 | LaGrone, W L | Colorado Oil and Gas Corp | UNION | 22-18S-17W | SHULER | MAYFIELD B | Oil - Production | Plugged and Abandoned |
| 03-139-03765-00-00 | 11607 | Hanna, W. H. "A" | Burdine, David | UNION | 22-18S-17W | SHULER | MAYFIELD B | Oil - Production | Active |
| 03-139-03767-00-01 | 11968 | Lecroy | Sewell, W H | UNION | 23-18S-17W | SHULER | MAYFIELD B | Oil - Production | Plugged and Abandoned |
| 03-139-03772-00-00 | 11923 | Mason | Roberts, Lois | UNION | 23-18S-17W | SHULER | MAYFIELD B | Oil - Production | Plugged and Abandoned |