| 696947 | Jun 7, 2010 | Jun 7, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Adams-State Unit #2 | 20,000 | 39531738 |
| 696380 | May 24, 2010 | May 24, 2010 | Encana Oil & Gas(usa) Inc. | Culberson | Montgomery State 115-4 #1HH | 11,000 | 10932328 |
| 696380Amendment | May 24, 2010 | May 24, 2010 | Encana Oil & Gas(usa) Inc. | Culberson | Montgomery State 115-4 #1HH | 15,000 | 10932328 |
| 696252 | May 20, 2010 | May 20, 2010 | Encana Oil & Gas(usa) Inc. | Leon | NCC Unit #1 | 18,000 | 28931869 |
| 696252Amendment | May 20, 2010 | May 20, 2010 | Encana Oil & Gas(usa) Inc. | Leon | NCC Unit #1 | 20,000 | 28931869 |
| 695202 | May 12, 2010 | May 12, 2010 | Encana Oil & Gas(usa) Inc. | Maverick | Comanche Ranch #311HH | 9,200 | 32333352 |
| 695770 | May 11, 2010 | May 11, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #305HH | 9,000 | 36735072 |
| 695770Amendment | May 11, 2010 | May 11, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #305HH | 9,000 | 36735072 |
| 695444 | May 6, 2010 | May 6, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Mercer Ranch #507HH | 9,000 | 43935104 |
| 694943 | Apr 26, 2010 | Apr 26, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Goforth-Westmoreland SA #2HH | 9,000 | 36735069 |
| 694934 | Apr 26, 2010 | Apr 26, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Goforth-Westmoreland SA #1HH | 9,000 | 36735068 |
| 694675 | Apr 26, 2010 | Apr 26, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Rocky Creek Ranch #13HH | 9,000 | 43935049 |
| 694666 | Apr 26, 2010 | Apr 26, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Rocky Creek Ranch #11HH | 9,000 | 43935047 |
| 694652 | Apr 26, 2010 | Apr 26, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Rocky Creek Ranch #14HH | 9,000 | 43935048 |
| 694527 | Apr 19, 2010 | Apr 19, 2010 | Encana Oil & Gas(usa) Inc. | Culberson | Delaware State 61-T1-12 #1HH | 11,000 | 10932326 |
| 694122 | Apr 12, 2010 | Apr 12, 2010 | Encana Oil & Gas(usa) Inc. | Culberson | Delaware State 61-T1-28 #1HH | 11,000 | 10932324 |
| 693401 | Apr 1, 2010 | Apr 1, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Stagecoach #5HH | 9,000 | 43934989 |
| 693396 | Apr 1, 2010 | Apr 1, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Stagecoach #4HH | 9,000 | 43934986 |
| 693384 | Mar 25, 2010 | Mar 25, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Adams #4 | 22,000 | 39531733 |
| 693384Amendment | Mar 25, 2010 | Mar 25, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Adams-State Unit #4 | 22,000 | 39531733 |
| 693088 | Mar 19, 2010 | Mar 19, 2010 | Encana Oil & Gas(usa) Inc. | San Augustine | Black Stone Unit A-398 #1HH | 1,500 | 40530335 |
| 693088Amendment | Mar 19, 2010 | Mar 19, 2010 | Encana Oil & Gas(usa) Inc. | San Augustine | Black Stone Unit A-398 #1HH | 15,000 | 40530335 |
| 693088Amendment | Mar 19, 2010 | Mar 19, 2010 | Encana Oil & Gas(usa) Inc. | San Augustine | Black Stone Unit A-398 #1HH | 15,000 | 40530335 |
| 691764 | Mar 18, 2010 | Mar 18, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Carr-Navasot Unit #2 | 20,000 | 28931858 |
| 691764Amendment | Mar 18, 2010 | Mar 18, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Carr-Navasot Unit #2 | 20,000 | 28931858 |
| 692692 | Mar 15, 2010 | Mar 15, 2010 | Encana Oil & Gas(usa) Inc. | Denton | McMurrey Ranch Unit A #11HH | 9,000 | 12133934 |
| 692651 | Mar 12, 2010 | Mar 12, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Embra Unit #1 | 20,000 | 39531727 |
| 692651Amendment | Mar 12, 2010 | Mar 12, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Embra Unit #1 | 20,000 | 39531727 |
| 692651Amendment | Mar 12, 2010 | Mar 12, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Embra Unit #1 | 20,000 | 39531727 |
| 692651Amendment | Mar 12, 2010 | Mar 12, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Embra Unit #1 | 20,000 | 39531727 |
| 692621 | Mar 12, 2010 | Mar 12, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Sam Williams Unit #1 | 22,000 | 39531726 |
| 692047 | Mar 3, 2010 | Mar 3, 2010 | Encana Oil & Gas(usa) Inc. | Denton | McMurrey Ranch #B 22HH | 9,000 | 12133927 |
| 692044 | Mar 3, 2010 | Mar 3, 2010 | Encana Oil & Gas(usa) Inc. | Denton | McMurrey Ranch #35HH | 9,000 | 12133926 |
| 692044Amendment | Mar 3, 2010 | Mar 3, 2010 | Encana Oil & Gas(usa) Inc. | Denton | McMurrey Ranch Unit B #35HH | 9,000 | 12133926 |
| 692037 | Mar 3, 2010 | Mar 3, 2010 | Encana Oil & Gas(usa) Inc. | Denton | McMurrey Ranch #28HH | 9,000 | 12133925 |
| 692029 | Mar 3, 2010 | Mar 3, 2010 | Encana Oil & Gas(usa) Inc. | Denton | McMurrey Ranch #B 25HH | 9,000 | 12133924 |
| 692029Amendment | Mar 3, 2010 | Mar 3, 2010 | Encana Oil & Gas(usa) Inc. | Denton | McMurrey Ranch Unit B #25HH | 9,000 | 12133924 |
| 691872 | Feb 26, 2010 | Feb 26, 2010 | Encana Oil & Gas(usa) Inc. | Culberson | Delaware State 61-T1-16 #1HH | 11,000 | 10932323 |
| 691765 | Feb 24, 2010 | Feb 24, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Lily Hoppess Unit #1 | 20,000 | 39531722 |
| 691765Amendment | Feb 24, 2010 | Feb 24, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Lily Hoppess Unit #1 | 20,000 | 39531722 |
| 691765Amendment | Feb 24, 2010 | Feb 24, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Lily Hoppess Unit #1 | 20,000 | 39531722 |
| 691762 | Feb 24, 2010 | Feb 24, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Dorothy Allen Unit #1 | 22,000 | 39531721 |
| 691531Amendment | Feb 19, 2010 | Feb 19, 2010 | Encana Oil & Gas(usa) Inc. | Shelby | Hinton #1HH | 12,375 | 41931554 |
| 691531Amendment | Feb 19, 2010 | Feb 19, 2010 | Encana Oil & Gas(usa) Inc. | Shelby | Hinton #1HH | 12,375 | 41931554 |
| 691103 | Feb 10, 2010 | Feb 10, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | McMurrey Trust #1 | 22,000 | 39531714 |
| 691103Amendment | Feb 10, 2010 | Feb 10, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | McMurrey Trust #1 | 22,000 | 39531714 |
| 691103Amendment | Feb 10, 2010 | Feb 10, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | McMurrey Trust "a" Unit #1 | 22,000 | 39531714 |
| 690709 | Feb 5, 2010 | Feb 5, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #612HH | 9,000 | 12133916 |
| 690705 | Feb 5, 2010 | Feb 5, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #611HH | 9,000 | 12133917 |
| 690644 | Feb 3, 2010 | Feb 3, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Dorothy Allen Unit #2 | 22,000 | 39531712 |
| 690644Amendment | Feb 3, 2010 | Feb 3, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Dorothy Allen Unit #2 | 22,000 | 39531712 |
| 690156 | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #405HH | 9,000 | 36735050 |
| 690156Amendment | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #405HH | 9,000 | 36735050 |
| 690156Amendment | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #405HH | 9,000 | 36735050 |
| 690037 | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #404HH | 9,000 | 36735049 |
| 690037Amendment | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #404HH | 9,000 | 36735049 |
| 690003 | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #403HH | 9,000 | 36735048 |
| 690003Amendment | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #403HH | 9,000 | 36735048 |
| 689999 | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #402HH | 9,000 | 36735047 |
| 689999Amendment | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #402HH | 9,000 | 36735047 |
| 689960 | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #401HH | 9,000 | 36735055 |
| 689960Amendment | Jan 29, 2010 | Jan 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #401HH | 9,000 | 36735055 |
| 690201 | Jan 27, 2010 | Jan 27, 2010 | Encana Oil & Gas(usa) Inc. | Culberson | Montgomery State 115-20 #1 | 10,500 | 10932322 |
| 690201Amendment | Jan 27, 2010 | Jan 27, 2010 | Encana Oil & Gas(usa) Inc. | Culberson | Montgomery State 115-20 #1H | 10,500 | 10932322 |
| 689652 | Jan 14, 2010 | Jan 14, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #605HH | 9,000 | 12133907 |
| 689508 | Jan 14, 2010 | Jan 14, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #505HH | 9,000 | 12133910 |
| 689508Amendment | Jan 14, 2010 | Jan 14, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #505HH | 9,000 | 12133910 |
| 689505 | Jan 14, 2010 | Jan 14, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #610HH | 9,000 | 12133909 |
| 689502 | Jan 14, 2010 | Jan 14, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #609HH | 9,000 | 12133908 |
| 689481 | Jan 14, 2010 | Jan 14, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #607HH | 9,000 | 12133906 |
| 689470 | Jan 14, 2010 | Jan 14, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #606HH | 9,000 | 12133905 |
| 689499 | Jan 12, 2010 | Jan 12, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #608HH | 9,000 | 12133904 |
| 689472 | Jan 8, 2010 | Jan 8, 2010 | Encana Oil & Gas(usa) Inc. | Limestone | Reed Unit #11 | 13,500 | 29331723 |
| 689370 | Jan 7, 2010 | Jan 7, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #604HH | 9,000 | 12133894 |
| 689330 | Jan 6, 2010 | Jan 6, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #603HH | 9,000 | 12133893 |
| 689021 | Jan 6, 2010 | Jan 6, 2010 | Encana Oil & Gas(usa) Inc. | Angelina | Mims Gas Unit #1 | 12,989 | 00530274 |
| 689010 | Jan 5, 2010 | Jan 5, 2010 | Encana Oil & Gas(usa) Inc. | Angelina | Crossman, P.G. et Al #4 | 15,750 | 00530260 |
| 689009 | Jan 5, 2010 | Jan 5, 2010 | Encana Oil & Gas(usa) Inc. | Angelina | Crossman, P.G. et Al #8 | 11,825 | 00530339 |
| 689005 | Jan 5, 2010 | Jan 5, 2010 | Encana Oil & Gas(usa) Inc. | Angelina | Crossman, P.G. et Al #7 | 11,875 | 00530343 |
| 689017 | Dec 31, 2009 | Dec 31, 2009 | Encana Oil & Gas(usa) Inc. | Angelina | Jerome Crossman #1 | 11,829 | 00530320 |
| 689012 | Dec 31, 2009 | Dec 31, 2009 | Encana Oil & Gas(usa) Inc. | Angelina | Preston Heirs Unit #12 | 11,828 | 00530333 |
| 689001 | Dec 28, 2009 | Dec 28, 2009 | Encana Oil & Gas(usa) Inc. | Leon | Gresham Trust #3 | 22,000 | 28931851 |
| 688943 | Dec 22, 2009 | Dec 22, 2009 | Encana Oil & Gas(usa) Inc. | Tarrant | Corn-Cleveland #3HH | 9,000 | 43934713 |
| 688814 | Dec 18, 2009 | Dec 18, 2009 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #602HH | 9,000 | 12133889 |
| 688814Amendment | Dec 18, 2009 | Dec 18, 2009 | Encana Oil & Gas(usa) Inc. | Denton | Robson Ranch #602HH | 9,000 | 12133889 |
| 688496 | Dec 16, 2009 | Dec 16, 2009 | Encana Oil & Gas(usa) Inc. | Angelina | Ryan, E. M. Unit #6 | 13,800 | 00530330 |
| 688495 | Dec 16, 2009 | Dec 16, 2009 | Encana Oil & Gas(usa) Inc. | Angelina | Ryan, E. M. Unit #9 | 13,800 | 00530337 |
| 688494 | Dec 16, 2009 | Dec 16, 2009 | Encana Oil & Gas(usa) Inc. | Angelina | Ryan, E. M. Unit #2 | 13,800 | 00530273 |
| 688350 | Dec 9, 2009 | Dec 9, 2009 | Encana Oil & Gas(usa) Inc. | Leon | A. D. Carr A #7 | 22,000 | 28931845 |
| 688350Amendment | Dec 9, 2009 | Dec 9, 2009 | Encana Oil & Gas(usa) Inc. | Leon | A. D. Carr A #7 | 22,000 | 28931845 |
| 688350Amendment | Dec 9, 2009 | Dec 9, 2009 | Encana Oil & Gas(usa) Inc. | Leon | Little 4 Ranch-State Unit #1 | 22,000 | 28931845 |
| 688339 | Dec 9, 2009 | Dec 9, 2009 | Encana Oil & Gas(usa) Inc. | Robertson | Southworth #3 | 22,000 | 39531706 |
| 687982 | Dec 9, 2009 | Dec 9, 2009 | Encana Oil & Gas(usa) Inc. | Robertson | McLean #D 5 | 22,000 | 39531705 |
| 687981 | Dec 9, 2009 | Dec 9, 2009 | Encana Oil & Gas(usa) Inc. | Robertson | McLean #A 7 | 22,000 | 39531704 |
| 688062 | Dec 4, 2009 | Dec 4, 2009 | Encana Oil & Gas(usa) Inc. | Wise | Forman B #29HH | 9,000 | 49736974 |
| 688056 | Dec 4, 2009 | Dec 4, 2009 | Encana Oil & Gas(usa) Inc. | Wise | Forman B #30HH | 9,000 | 49736975 |
| 688022 | Dec 4, 2009 | Dec 4, 2009 | Encana Oil & Gas(usa) Inc. | Wise | Forman B #15HH | 9,000 | 49736973 |
| 687980 | Dec 3, 2009 | Dec 3, 2009 | Encana Oil & Gas(usa) Inc. | Robertson | DCR #3 | 22,000 | 39531703 |
| 687980Amendment | Dec 3, 2009 | Dec 3, 2009 | Encana Oil & Gas(usa) Inc. | Robertson | DCR Gas Unit #3 | 22,000 | 39531703 |
| 687761 | Nov 23, 2009 | Nov 23, 2009 | Encana Oil & Gas(usa) Inc. | San Augustine | Black Stone Unit A-43 #1HH | 15,000 | 40530307 |