Top Haynesville Operators by Net Acres
| Company | Net Acres |
| Chesapeake | 515,000 |
| Billiton/Petrohawk | 363,000 |
| Encana | 350,000 |
| ExxonMobil/XTO | 240,000 |
| EOG Resources | 190,000 |
| Shell | 180,000 |
| Forest Oil | 169,000 |
| Devon Energy | 157,000 |
| NFR Energy | 125,000 |
| Plains E&P | 105,000 |
| BG Group/EXCO | 84,000 |
| Anadarko | 80,000 |
| Comstock O&G | 78,000 |
| EXCO Resources | 76,000 |
| Goodrich | 68,772 |
| QEP | 50,600 |
| El Paso Corp. | 46,000 |
| GMX Resources | 32,700 |
| SM Energy | 22,000 |
| Cabot O&G | 22,000 |
Based on publicly reported data.
As of 8/05/2011; Compiled by Ann Priestman
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