| 633150 | Feb 9, 2007 | Feb 9, 2007 | Devon Energy Production Co, L.P. | West Dairies #2HH | 9,000 | 25131501 |
| 633140 | Feb 9, 2007 | Feb 9, 2007 | EOG Resources, Inc. | Barron Unit #3HH | 9,000 | 25131500 |
| 633140Amendment | Feb 9, 2007 | Feb 9, 2007 | EOG Resources, Inc. | Barron Unit #3HH | 10,000 | 25131500 |
| 633124 | Feb 9, 2007 | Feb 9, 2007 | EOG Resources, Inc. | Rayburn Unit #5HH | 8,900 | 25131499 |
| 633089 | Feb 9, 2007 | Feb 9, 2007 | Chesapeake Operating, Inc. | Little Hoss 7 #E 1HH | 9,000 | 25131498 |
| 633089Amendment | Feb 9, 2007 | Feb 9, 2007 | Chesapeake Operating, Inc. | Little Hoss 7 #E 1HH | 9,000 | 25131498 |
| 633088 | Feb 9, 2007 | Feb 9, 2007 | Devon Energy Production Co, L.P. | King Sisters #1HH | 9,000 | 25131497 |
| 633055 | Feb 8, 2007 | Feb 8, 2007 | EOG Resources, Inc. | Livestock, K. D. #3HH | 8,500 | 25131496 |
| 633055Amendment | Feb 8, 2007 | Feb 8, 2007 | EOG Resources, Inc. | Livestock, K. D. #3HH | 10,000 | 25131496 |
| 632979 | Feb 8, 2007 | Feb 8, 2007 | Chesapeake Operating, Inc. | Gainer #3HH | 9,000 | 25131494 |
| 632978 | Feb 8, 2007 | Feb 8, 2007 | Chesapeake Operating, Inc. | Gainer #2HH | 9,000 | 25131493 |
| 633017 | Feb 7, 2007 | Feb 7, 2007 | Devon Energy Production Co, L.P. | Verdia Boles #1H | 9,000 | 25131492 |
| 632980 | Feb 7, 2007 | Feb 7, 2007 | Chesapeake Operating, Inc. | North Chisholm Trail #4HH | 9,000 | 25131495 |
| 632966 | Feb 7, 2007 | Feb 7, 2007 | Williams Prod. Gulf Coast, L.P. | Prado #3HH | 7,500 | 25131491 |
| 632906 | Feb 6, 2007 | Feb 6, 2007 | Chesapeake Operating, Inc. | Burton #2HH | 9,000 | 25131490 |
| 632874 | Feb 6, 2007 | Feb 6, 2007 | EOG Resources, Inc. | Rayburn Unit #4HH | 8,900 | 25131489 |
| 632868 | Feb 6, 2007 | Feb 6, 2007 | EOG Resources, Inc. | Little Buddy Unit #2HH | 8,500 | 25131488 |
| 632696 | Feb 6, 2007 | Feb 6, 2007 | Devon Energy Production Co, L.P. | Bob West #2HH | 9,000 | 25131476 |
| 632850 | Feb 5, 2007 | Feb 5, 2007 | EOG Resources, Inc. | Clark Unit #3HH | 7,000 | 25131487 |
| 632806 | Feb 5, 2007 | Feb 5, 2007 | EOG Resources, Inc. | Rayburn Unit #3HH | 8,800 | 25131485 |
| 632745 | Feb 5, 2007 | Feb 5, 2007 | EOG Resources, Inc. | Beil Unit #5HH | 7,000 | 25131484 |
| 632708 | Feb 5, 2007 | Feb 5, 2007 | Devon Energy Production Co, L.P. | LBR Family Partnership #6HH | 9,000 | 25131477 |
| 632797 | Feb 2, 2007 | Feb 2, 2007 | Sullivan, Hollis R. Inc. | Smith "B" #1HH | 8,900 | 25131486 |
| 632797Amendment | Feb 2, 2007 | Feb 2, 2007 | Sullivan, Hollis R. Inc. | Smith "B" #1HH | 8,900 | 25131486 |
| 632797Amendment | Feb 2, 2007 | Feb 2, 2007 | Sullivan, Hollis R. Inc. | Smith "B" #1HH | 8,900 | 25131486 |
| 632765 | Feb 2, 2007 | Feb 2, 2007 | EOG Resources, Inc. | Brown-Johnston Unit #1HH | 8,800 | 25131483 |
| 632756 | Feb 2, 2007 | Feb 2, 2007 | Devon Energy Production Co, L.P. | LBR Family Partnership #5HH | 9,000 | 25131482 |
| 632753 | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Harper Nej #B 1CHH | 12,000 | 25131481 |
| 632753Amendment | Feb 2, 2007 | Feb 2, 2007 | XTO Energy Inc. | Harper Nej West #B 1CHH | 12,000 | 25131481 |
| 632740 | Feb 1, 2007 | Feb 1, 2007 | EOG Resources, Inc. | Sledge Sisters Unit #3HH | 9,000 | 25131480 |
| 632740Amendment | Feb 1, 2007 | Feb 1, 2007 | EOG Resources, Inc. | Sledge Sisters Unit #3 | 9,000 | 25131480 |
| 632740Amendment | Feb 1, 2007 | Feb 1, 2007 | EOG Resources, Inc. | Sledge Sisters Unit #3HH | 9,000 | 25131480 |
| 632738 | Feb 1, 2007 | Feb 1, 2007 | XTO Energy Inc. | Harper Nej #D 2AHH | 12,000 | 25131479 |
| 632738Amendment | Feb 1, 2007 | Feb 1, 2007 | XTO Energy Inc. | Harper Nej #D 2AHH | 12,000 | 25131479 |
| 632734 | Feb 1, 2007 | Feb 1, 2007 | EOG Resources, Inc. | Sledge Sisters Unit #2HH | 9,000 | 25131478 |
| 632734Amendment | Feb 1, 2007 | Feb 1, 2007 | EOG Resources, Inc. | Sledge Sisters Unit #2HH | 8,900 | 25131478 |
| 632734Amendment | Feb 1, 2007 | Feb 1, 2007 | EOG Resources, Inc. | Sledge Sisters Unit #2 | 8,900 | 25131478 |
| 632687 | Jan 31, 2007 | Jan 31, 2007 | EOG Resources, Inc. | Sledge Sisters Unit #1 | 8,900 | 25131475 |
| 632687Amendment | Jan 31, 2007 | Jan 31, 2007 | EOG Resources, Inc. | Sledge Sisters Unit #1HH | 8,900 | 25131475 |
| 632616 | Jan 30, 2007 | Jan 30, 2007 | Chesapeake Operating, Inc. | Sandlin-Heritage #B 2HH | 9,000 | 25131473 |
| 632615 | Jan 30, 2007 | Jan 30, 2007 | Chesapeake Operating, Inc. | Sandlin-Heritage #B 1HH | 9,000 | 25131472 |
| 632611 | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Harper Nej D #1BHH | 12,000 | 25131471 |
| 632611Amendment | Jan 30, 2007 | Jan 30, 2007 | XTO Energy Inc. | Harper Nej D #1BHH | 12,000 | 25131471 |
| 632527 | Jan 29, 2007 | Jan 29, 2007 | J-W Operating Co. | Martin, J L #4HH | 15,000 | 25131470 |
| 632527Amendment | Jan 29, 2007 | Jan 29, 2007 | J-W Operating Co. | Martin, J L #4HH | 15,000 | 25131470 |
| 632485 | Jan 29, 2007 | Jan 29, 2007 | Chesapeake Operating, Inc. | Eastern Heights Church #1HH | 9,000 | 25131469 |
| 632449 | Jan 29, 2007 | Jan 29, 2007 | J-W Operating Co. | Silken #2HH | 15,000 | 25131467 |
| 632450 | Jan 26, 2007 | Jan 26, 2007 | J-W Operating Co. | Silken #3HH | 15,000 | 25131468 |
| 632431 | Jan 26, 2007 | Jan 26, 2007 | Devon Energy Production Co, L.P. | LBR Family Partnership #2HH | 9,000 | 25131466 |
| 632414 | Jan 26, 2007 | Jan 26, 2007 | Devon Energy Production Co, L.P. | LBR Family Partnership #8HH | 9,000 | 25131465 |
| 632021 | Jan 25, 2007 | Jan 25, 2007 | Chesapeake Operating, Inc. | Little Hoss 3 #L 2HH | 9,000 | 25131451 |
| 632021Amendment | Jan 25, 2007 | Jan 25, 2007 | Chesapeake Operating, Inc. | Little Hoss 3 #L 2HH | 9,000 | 25131451 |
| 632282 | Jan 24, 2007 | Jan 24, 2007 | EOG Resources, Inc. | Carter Unit #1HH | 7,000 | 25131463 |
| 632258 | Jan 24, 2007 | Jan 24, 2007 | Chesapeake Operating, Inc. | Little Hoss SWD #1 | 12,000 | 25131462 |
| 631226 | Jan 24, 2007 | Jan 24, 2007 | EOG Resources, Inc. | Fowler Unit #4HH | 8,500 | 25131461 |
| 631225 | Jan 24, 2007 | Jan 24, 2007 | EOG Resources, Inc. | Fowler Unit #3HH | 8,500 | 25131460 |
| 631225Amendment | Jan 24, 2007 | Jan 24, 2007 | EOG Resources, Inc. | Fowler Unit #3HH | 8,500 | 25131460 |
| 631224 | Jan 24, 2007 | Jan 24, 2007 | EOG Resources, Inc. | Fowler Unit #2HH | 8,500 | 25131459 |
| 631224Amendment | Jan 24, 2007 | Jan 24, 2007 | EOG Resources, Inc. | Fowler Unit #2HH | 8,500 | 25131459 |
| 632104 | Jan 22, 2007 | Jan 22, 2007 | Chesapeake Operating, Inc. | McMenamy #3HH | 9,000 | 25131457 |
| 632101 | Jan 22, 2007 | Jan 22, 2007 | Chesapeake Operating, Inc. | McMenamy #2HH | 9,000 | 25131458 |
| 632060 | Jan 22, 2007 | Jan 22, 2007 | Devon Energy Production Co, L.P. | Circle R Partnership #4HH | 9,000 | 25131456 |
| 632016 | Jan 22, 2007 | Jan 22, 2007 | Chesapeake Operating, Inc. | Little Hoss 3 #L 4HH | 9,000 | 25131450 |
| 632016Amendment | Jan 22, 2007 | Jan 22, 2007 | Chesapeake Operating, Inc. | Little Hoss 3 #L 4HH | 9,000 | 25131450 |
| 632016Amendment | Jan 22, 2007 | Jan 22, 2007 | Chesapeake Operating, Inc. | Little Hoss 3 #L 4HH | 9,000 | 25131450 |
| 631796 | Jan 22, 2007 | Jan 22, 2007 | EOG Resources, Inc. | Finder Unit #7HH | 8,500 | 25131437 |
| 632057 | Jan 19, 2007 | Jan 19, 2007 | Devon Energy Production Co, L.P. | Circle R Partnership #7HH | 9,000 | 25131455 |
| 632056 | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Burnett Carter Unit #2HH | 12,000 | 25131454 |
| 632056Amendment | Jan 19, 2007 | Jan 19, 2007 | XTO Energy Inc. | Burnett Carter Unit #2HH | 12,000 | 25131454 |
| 632040 | Jan 19, 2007 | Jan 19, 2007 | Chesapeake Operating, Inc. | Gainer #1HH | 9,000 | 25131453 |
| 632040Amendment | Jan 19, 2007 | Jan 19, 2007 | Chesapeake Operating, Inc. | Gainer #1HH | 9,000 | 25131453 |
| 632006 | Jan 19, 2007 | Jan 19, 2007 | Chesapeake Operating, Inc. | McMenamy #1HH | 9,000 | 25131448 |
| 631989 | Jan 19, 2007 | Jan 19, 2007 | EOG Resources, Inc. | Mercer #1 | 7,000 | 25131447 |
| 631987 | Jan 19, 2007 | Jan 19, 2007 | Devon Energy Production Co, L.P. | Circle R Partnership #8HH | 9,000 | 25131446 |
| 631986 | Jan 19, 2007 | Jan 19, 2007 | Devon Energy Production Co, L.P. | LBR Family Partnership #7HH | 9,000 | 25131445 |
| 631985 | Jan 19, 2007 | Jan 19, 2007 | Devon Energy Production Co, L.P. | LBR Family Partnership #4HH | 9,000 | 25131444 |
| 631012 | Jan 19, 2007 | Jan 19, 2007 | EOG Resources, Inc. | Ferguson Foundation Unit #9HH | 8,800 | 25131438 |
| 631918 | Jan 18, 2007 | Jan 18, 2007 | Quicksilver Resources Inc. | Duff SWD #1 | 9,500 | 25131443 |
| 631892 | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Walls Memorial Hospital #3HH | 12,000 | 25131442 |
| 631892Amendment | Jan 18, 2007 | Jan 18, 2007 | XTO Energy Inc. | Walls Memorial Hospital #3HH | 12,000 | 25131442 |
| 631837 | Jan 18, 2007 | Jan 18, 2007 | Chesapeake Operating, Inc. | North Chisholm Trail #3HH | 9,000 | 25131441 |
| 631836 | Jan 17, 2007 | Jan 17, 2007 | Chesapeake Operating, Inc. | North Chisholm Trail #2HH | 9,000 | 25131440 |
| 631833 | Jan 17, 2007 | Jan 17, 2007 | Chesapeake Operating, Inc. | North Chisholm Trail #1HH | 9,000 | 25131439 |
| 631795 | Jan 12, 2007 | Jan 12, 2007 | EOG Resources, Inc. | Finder Unit #6HH | 8,500 | 25131436 |
| 631794 | Jan 12, 2007 | Jan 12, 2007 | XTO Energy Inc. | Gafford Unit #A 1HH | 11,000 | 25131435 |
| 631794Amendment | Jan 12, 2007 | Jan 12, 2007 | XTO Energy Inc. | Gafford Unit #A 1HH | 11,000 | 25131435 |
| 631792 | Jan 12, 2007 | Jan 12, 2007 | EOG Resources, Inc. | Kemp a Unit #2HH | 8,500 | 25131434 |
| 631792Amendment | Jan 12, 2007 | Jan 12, 2007 | EOG Resources, Inc. | Kemp a Unit #2HH | 8,600 | 25131434 |
| 631791 | Jan 12, 2007 | Jan 12, 2007 | EOG Resources, Inc. | Kemp a Unit #1HH | 8,500 | 25131433 |
| 631783 | Jan 12, 2007 | Jan 12, 2007 | EOG Resources, Inc. | Bransom Unit #1HH | 7,500 | 25131430 |
| 631783Amendment | Jan 12, 2007 | Jan 12, 2007 | EOG Resources, Inc. | Bransom Unit #1HH | 7,500 | 25131430 |
| 631782 | Jan 12, 2007 | Jan 12, 2007 | EOG Resources, Inc. | Maples Unit #1HH | 8,500 | 25131429 |
| 631782Amendment | Jan 12, 2007 | Jan 12, 2007 | EOG Resources, Inc. | Maples Unit #1HH | 8,500 | 25131429 |
| 631754 | Jan 11, 2007 | Jan 11, 2007 | Devon Energy Production Co, L.P. | Selma Goodnight #1H | 9,000 | 25131427 |
| 631752 | Jan 11, 2007 | Jan 11, 2007 | Devon Energy Production Co, L.P. | Tindall, Cathy Ann #1HH | 9,000 | 25131428 |
| 631685 | Jan 11, 2007 | Jan 11, 2007 | Devon Energy Production Co, L.P. | Circle R Partnership #5HH | 9,000 | 25131426 |
| 631662 | Jan 11, 2007 | Jan 11, 2007 | Joint Resources Company | Shipman #1HH | 10,500 | 25131425 |
| 631662Amendment | Jan 11, 2007 | Jan 11, 2007 | XTO Energy Inc. | Shipman #A 1HH | 10,500 | 25131425 |
| 631597 | Jan 10, 2007 | Jan 10, 2007 | Chesapeake Operating, Inc. | Mize Family #31HH | 9,000 | 25131424 |
| 631516 | Jan 10, 2007 | Jan 10, 2007 | Devon Energy Production Co, L.P. | Homer Allen #3H | 9,000 | 25131419 |