| Cook Ranch 140A #1242-417-39161 | Stasney, H. R. & Sons, Ltd. | Shackelford, TX | Not on schedule | 4,000 | Feb 23, 2011 | — | — |
| Sedwick John F. a #17A42-417-39149 | JTC Royalties LLC | Shackelford, TXShackelford County Regular | Shut inOil | 900 | Feb 22, 2011 | — | — |
| Cook 85S #8142-417-39154 | — | Shackelford, TX | Plugged | 4,000 | Feb 22, 2011 | — | — |
| Casey 30 B #442-417-39160 | Strawn Operating Co. L.L.C. | Shackelford, TXShackelford County Regular | ActiveInjection | 1,275 | Feb 21, 2011 | — | — |
| Elliott, R. B. #3B42-417-39159 | Bright Hawk Operating Company | Shackelford, TXElliott (Mississippi) | Not on schedule | 4,500 | Feb 17, 2011 | — | — |
| Cook Strawn 85S/86S Pooled Unit #8042-417-39153 | Stasney Well Service LLC | Shackelford, TXCook Ranch (Strawn Sand) | PluggedOil | 4,000 | Feb 11, 2011 | — | — |
| Hickman Reaves -a- #1642-417-39157 | JTC Royalties LLC | Shackelford, TXShackelford County Regular | Shut inOil | 625 | Feb 11, 2011 | — | — |
| Cook Ranch 60S #1042-417-39156 | Stasney Well Service LLC | Shackelford, TXCook Ranch (Strawn Sand) | ActiveOil | 3,055 | Feb 9, 2011 | — | — |
| Stasney Cook 88 #8742-417-39155 | Stasney Well Service LLC | Shackelford, TXCook Ranch | PluggedOil | 4,000 | Feb 3, 2011 | — | — |
| Casey 30 a #342-417-39151 | Strawn Operating Co. L.L.C. | Shackelford, TXShackelford County Regular | Shut inOil | 1,182 | Feb 1, 2011 | — | — |
| Snyder #242-417-39148 | Snyder 421 LLC | Shackelford, TXMoran W.(ellen) | ActiveOil | 4,255 | Jan 31, 2011 | — | — |
| Casey Ranch 57-a #142-417-39147 | — | Shackelford, TX | Plugged | 1,999 | Jan 28, 2011 | — | — |
| Casey 30 B #342-417-39146 | Strawn Operating Co. L.L.C. | Shackelford, TXShackelford County Regular | ActiveOil | 1,275 | Jan 24, 2011 | — | — |
| John Snyder #242-417-39144 | Ruff Drilling Company | Shackelford, TXShackelford County Regular | PluggedOil | 1,250 | Jan 18, 2011 | — | — |
| Casey 30 B #242-417-39145 | Strawn Operating Co. L.L.C. | Shackelford, TXShackelford County Regular | Shut inOil | 1,275 | Jan 18, 2011 | — | — |
| Cook Ranch 88 #10042-417-39143 | Stasney Well Service LLC | Shackelford, TXCook Ranch | PluggedOil | 2,000 | Jan 4, 2011 | — | — |
| Ivy #3842-417-39141 | Stasney Well Service LLC | Shackelford, TXCook Ranch | PluggedOil | 2,000 | Dec 30, 2010 | — | — |
| Ivy #37T42-417-39142 | Stasney Well Service LLC | Shackelford, TXCook Ranch | PluggedOil | 2,000 | Dec 30, 2010 | — | — |
| Casey 30 B #142-417-37805 | Strawn Operating Co. L.L.C. | Shackelford, TXShackelford County Regular | ActiveOil | 1,295 | Dec 21, 2010 | — | — |
| Musselman Caddo Unit #26642-417-39135 | Quest Emg, Inc. | Shackelford, TXMusselman (Caddo) | Not on schedule | 3,800 | Dec 17, 2010 | — | — |
| Musselman Caddo Unit #26942-417-39138 | Quest Emg, Inc. | Shackelford, TXMusselman (Caddo) | Not on schedule | 3,800 | Dec 17, 2010 | — | — |
| Musselman Caddo Unit #25242-417-39134 | Quest Emg, Inc. | Shackelford, TXMusselman (Caddo) | Not on schedule | 3,800 | Dec 16, 2010 | — | — |
| Musselman Caddo Unit #26742-417-39136 | Quest Emg, Inc. | Shackelford, TXMusselman (Caddo) | Not on schedule | 3,800 | Dec 16, 2010 | — | — |
| Musselman Caddo Unit #26842-417-39137 | Quest Emg, Inc. | Shackelford, TXMusselman (Caddo) | Not on schedule | 3,800 | Dec 16, 2010 | — | — |
| Musselman Caddo Unit #29242-417-39139 | Quest Emg, Inc. | Shackelford, TXMusselman (Caddo) | Not on schedule | 3,800 | Dec 16, 2010 | — | — |
| Cook Strawn 85S/86S Pooled Unit #7842-417-39132 | Stasney Well Service LLC | Shackelford, TXCook Ranch (Strawn Sand) | ActiveOil | 3,275 | Dec 2, 2010 | — | — |
| Cook Strawn 85S/86S Pooled Unit #7942-417-39133 | Stasney Well Service LLC | Shackelford, TXCook Ranch (Strawn Sand) | PluggedOil | 4,000 | Dec 2, 2010 | — | — |
| Cook 88S #8642-417-39131 | Stasney, H. R. & Sons, Ltd. | Shackelford, TX | Not on schedule | 4,000 | Nov 30, 2010 | — | — |
| Casey 30 a #242-417-39129 | Strawn Operating Co. L.L.C. | Shackelford, TXShackelford County Regular | ActiveOil | 1,180 | Nov 23, 2010 | — | — |
| Cook Ranch 60S #1AR42-417-39130 | — | Shackelford, TX | Plugged | 2,000 | Nov 23, 2010 | — | — |
| Casey 30 a #142-417-39128 | Strawn Operating Co. L.L.C. | Shackelford, TXShackelford County Regular | ActiveOil | 1,180 | Nov 19, 2010 | — | — |
| Jeter #642-417-39127 | 5L Properties, Inc. | Shackelford, TXShackelford County Regular | Not on schedule | 1,300 | Nov 16, 2010 | — | — |
| Stasney Cook 88 #8542-417-39126 | Stasney Well Service LLC | Shackelford, TXCook Ranch | PluggedOil | 4,000 | Nov 10, 2010 | — | — |
| Windham James T. -85- #142-417-31381 | EP Operating Company | Shackelford, TXW-B (Conglomerate) | PluggedGas | 4,930 | Oct 28, 2010 | — | — |
| Windham '85' #342-417-39123 | P.I.D. Drilling Inc | Shackelford, TX | Not on schedule | 1,500 | Oct 20, 2010 | — | — |
| Windham '85' #542-417-39124 | P.I.D. Drilling Inc | Shackelford, TX | Not on schedule | 1,500 | Oct 20, 2010 | — | — |
| Windham '85' #442-417-39122 | P.I.D. Drilling Inc | Shackelford, TX | Not on schedule | 1,500 | Oct 19, 2010 | — | — |
| Cook Strawn 85S/86S Pooled Unit #7642-417-39119 | Stasney Well Service LLC | Shackelford, TXCook Ranch (Strawn Sand) | ActiveOil | 3,282 | Oct 15, 2010 | — | — |
| Stasney S Cook Ranch 57 #14842-417-39120 | Stasney Well Service LLC | Shackelford, TXShackelford County Regular | ActiveOil | 1,028 | Oct 15, 2010 | — | — |
| Stasney S Cook Ranch 57 #14942-417-39121 | Stasney Well Service LLC | Shackelford, TXShackelford County Regular | ActiveOil | 1,064 | Oct 15, 2010 | — | — |
| Cook Strawn 85S/86S Pooled Unit #7742-417-39118 | Stasney Well Service LLC | Shackelford, TXCook Ranch (Strawn Sand) | ActiveOil | 3,275 | Oct 14, 2010 | — | — |
| W-B Ranch #4HHZ42-417-39117 | Beehive Operating LLC | Shackelford, TXNewark East (Barnett Shale) | ActiveOil | 7,795 | Sep 29, 2010 | — | — |
| Schkade Farm #142-417-39116 | — | Shackelford, TXShackelford County Regular | Plugged | 1,000 | Sep 17, 2010 | — | — |
| Jeter #5__42-417-39115 | — | Shackelford, TXShackelford County Regular | Plugged | 1,300 | Sep 14, 2010 | — | — |
| Cook Ranch 88 #8042-417-39112 | Stasney, H. R. & Sons, Ltd. | Shackelford, TX | Not on schedule | 2,000 | Sep 3, 2010 | — | — |
| Cook 88S #8242-417-39054 | Stasney Well Service LLC | Shackelford, TXCook Ranch (Strawn Sand) | ActiveWater Supply | 1,763 | Sep 2, 2010 | — | — |
| Cook Ranch 88 #8142-417-39113 | Stasney Well Service LLC | Shackelford, TXCook Ranch | ActiveOil | 1,530 | Sep 2, 2010 | — | — |
| Nail Ranch #242-417-39110 | Beehive Operating LLC | Shackelford, TXShackelford County Regular | PluggedOil | 5,500 | Aug 26, 2010 | — | — |
| Ruff J. H. #6__42-417-39111 | — | Shackelford, TXShackelford County Regular | Plugged | 1,000 | Aug 26, 2010 | — | — |
| Green W. H. Estate a #442-417-33995 | Basin Operating Inc. | Shackelford, TXCandy (Strawn) | ActiveOil | 4,718 | Aug 17, 2010 | — | — |