| 619869 | May 25, 2006 | May 25, 2006 | Noble Energy Production, Inc. | Hemphill | Carr 12 #1218P | 13,500 | 21133605 |
| 619865 | May 25, 2006 | May 25, 2006 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6821P | 13,500 | 21133604 |
| 619169 | May 24, 2006 | May 24, 2006 | Noble Energy Production, Inc. | Hemphill | Holland C #5717P | 13,500 | 21133598 |
| 619710 | May 23, 2006 | May 23, 2006 | Noble Energy Production, Inc. | Wheeler | RN Byers Unit #2314 | 14,000 | 48332118 |
| 619146 | May 15, 2006 | May 15, 2006 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6828P | 13,500 | 21133592 |
| 619160 | May 11, 2006 | May 11, 2006 | Noble Energy Production, Inc. | Hemphill | Holland C #5724P | 13,500 | 21133597 |
| 619158 | May 11, 2006 | May 11, 2006 | Noble Energy Production, Inc. | Hemphill | Holland C #5731P | 13,500 | 21133596 |
| 619154 | May 11, 2006 | May 11, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 42 #4226P | 13,500 | 21133595 |
| 619152 | May 11, 2006 | May 11, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 43 #4323P | 13,500 | 21133594 |
| 619150 | May 11, 2006 | May 11, 2006 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6826P | 13,500 | 21133593 |
| 617982 | Apr 28, 2006 | Apr 28, 2006 | Noble Energy Production, Inc. | Hemphill | Fillingim #4021P | 13,500 | 21133573 |
| 617883 | Apr 20, 2006 | Apr 20, 2006 | Noble Energy Production, Inc. | Hemphill | Fillingim #4020P | 13,500 | 21133571 |
| 617830 | Apr 19, 2006 | Apr 19, 2006 | Noble Energy Production, Inc. | Wheeler | Hale #3014 | 10,000 | 48332098 |
| 616013 | Apr 13, 2006 | Apr 13, 2006 | Noble Energy Production, Inc. | Wheeler | Boomer Sooner #1 #1217P | 8,500 | 48332075 |
| 617124 | Apr 11, 2006 | Apr 11, 2006 | Noble Energy Production, Inc. | Hemphill | Carr-Muse 55 #5520P | 13,500 | 21133567 |
| 617122 | Apr 11, 2006 | Apr 11, 2006 | Noble Energy Production, Inc. | Hemphill | Carr 14 #1424P | 13,500 | 21133566 |
| 616249 | Mar 23, 2006 | Mar 23, 2006 | Noble Energy Production, Inc. | Wheeler | McAllister North #2203 | 13,953 | 48332076 |
| 616248 | Mar 23, 2006 | Mar 23, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 43 #4331P | 13,500 | 21133560 |
| 615608 | Mar 10, 2006 | Mar 10, 2006 | Noble Energy Production, Inc. | Hemphill | Carr 55 #5526P | 13,500 | 21133550 |
| 615607 | Mar 10, 2006 | Mar 10, 2006 | Noble Energy Production, Inc. | Hemphill | Carr-Pearson 55 #5527P | 13,500 | 21133551 |
| 615606 | Mar 10, 2006 | Mar 10, 2006 | Noble Energy Production, Inc. | Hemphill | Carr 55 #5528P | 13,500 | 21133549 |
| 615611 | Mar 9, 2006 | Mar 9, 2006 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6822P | 13,500 | 21133553 |
| 615609 | Mar 9, 2006 | Mar 9, 2006 | Noble Energy Production, Inc. | Hemphill | Holland C #5727P | 13,500 | 21133552 |
| 615605 | Mar 9, 2006 | Mar 9, 2006 | Noble Energy Production, Inc. | Hemphill | Keeton #5632P | 13,500 | 21133548 |
| 615604 | Mar 9, 2006 | Mar 9, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 42 #4217P | 13,500 | 21133547 |
| 615526 | Mar 9, 2006 | Mar 9, 2006 | Noble Energy Production, Inc. | Wheeler | Gray #1414 | 6,000 | 48332065 |
| 615505 | Mar 9, 2006 | Mar 9, 2006 | Noble Energy Production, Inc. | Hemphill | Graham #4602P | 13,500 | 21133546 |
| 615499 | Mar 9, 2006 | Mar 9, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 42 #4230P | 13,500 | 21133545 |
| 615471 | Mar 8, 2006 | Mar 8, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 42 #4231P | 13,500 | 21133544 |
| 615371 | Mar 7, 2006 | Mar 7, 2006 | Noble Energy Production, Inc. | Hemphill | Holland C #5730P | 13,500 | 21133542 |
| 615278 | Mar 6, 2006 | Mar 6, 2006 | Noble Energy Production, Inc. | Hemphill | Carr 55 #5525P | 13,500 | 21133537 |
| 615276 | Mar 6, 2006 | Mar 6, 2006 | Noble Energy Production, Inc. | Wheeler | Hefley, W. R. #1316P | 10,000 | 48332062 |
| 615003 | Feb 28, 2006 | Feb 28, 2006 | Noble Energy Production, Inc. | Wheeler | Rives #5011 | 14,000 | 48332059 |
| 615003Amendment | Feb 28, 2006 | Feb 28, 2006 | Noble Energy Production, Inc. | Wheeler | Rives #5011 | 14,000 | 48332059 |
| 614962 | Feb 28, 2006 | Feb 28, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 42 #4224P | 13,500 | 21133529 |
| 614301 | Feb 15, 2006 | Feb 15, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 43 #4332P | 13,500 | 21133525 |
| 614263 | Feb 15, 2006 | Feb 15, 2006 | Noble Energy Production, Inc. | Hemphill | Brotherton #7005P | 13,500 | 21133524 |
| 614186 | Feb 14, 2006 | Feb 14, 2006 | Noble Energy Production, Inc. | Hemphill | Willis "A" #4422P | 13,500 | 21133523 |
| 613992 | Feb 10, 2006 | Feb 10, 2006 | Noble Energy Production, Inc. | Hemphill | Hefley #4127P | 13,500 | 21133519 |
| 613835 | Feb 9, 2006 | Feb 9, 2006 | Noble Energy Production, Inc. | Wheeler | Wiley #616 | 14,200 | 48332043 |
| 613834 | Feb 8, 2006 | Feb 8, 2006 | Noble Energy Production, Inc. | Hemphill | Holland C #5729P | 13,500 | 21133517 |
| 613833 | Feb 8, 2006 | Feb 8, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 42 #4222P | 13,500 | 21133516 |
| 613513 | Feb 2, 2006 | Feb 2, 2006 | Noble Energy Production, Inc. | Wheeler | RN Byers Unit SWD #1 | 5,000 | 48332037 |
| 612245 | Jan 12, 2006 | Jan 12, 2006 | Noble Energy Production, Inc. | Hemphill | Teas 42 #4210P | 13,500 | 21133502 |
| 612156 | Jan 11, 2006 | Jan 11, 2006 | Noble Energy Production, Inc. | Wheeler | R N Byers Unit #2303 | 14,000 | 48332020 |
| 611914 | Jan 5, 2006 | Jan 5, 2006 | Noble Energy Production, Inc. | Hemphill | Willis "A" #4423P | 13,500 | 21133500 |
| 611239 | Dec 29, 2005 | Dec 29, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1318P | 13,500 | 21133496 |
| 611243 | Dec 19, 2005 | Dec 19, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1326P | 13,500 | 21133494 |
| 611240 | Dec 19, 2005 | Dec 19, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1324P | 13,500 | 21133493 |
| 611203 | Dec 16, 2005 | Dec 16, 2005 | Noble Energy Production, Inc. | Hemphill | Hefley #4128P | 13,500 | 21133490 |
| 611186 | Dec 16, 2005 | Dec 16, 2005 | Noble Energy Production, Inc. | Hemphill | Keeton #5625P | 13,500 | 21133489 |
| 611184 | Dec 16, 2005 | Dec 16, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1323P | 13,500 | 21133488 |
| 611183 | Dec 16, 2005 | Dec 16, 2005 | Noble Energy Production, Inc. | Hemphill | Willis "A" #4418P | 13,500 | 21133487 |
| 610950 | Dec 13, 2005 | Dec 13, 2005 | Noble Energy Production, Inc. | Hemphill | Teas 43 #4320P | 13,500 | 21133484 |
| 610793 | Dec 13, 2005 | Dec 13, 2005 | Noble Energy Production, Inc. | Hemphill | Teas 43 #4319P | 13,500 | 21133478 |
| 610789 | Dec 13, 2005 | Dec 13, 2005 | Noble Energy Production, Inc. | Hemphill | Teas 43 #4326P | 13,500 | 21133476 |
| 610791 | Dec 9, 2005 | Dec 9, 2005 | Noble Energy Production, Inc. | Hemphill | Hefley #4119P | 13,500 | 21133477 |
| 610730 | Dec 9, 2005 | Dec 9, 2005 | Noble Energy Production, Inc. | Hemphill | Holland C #5732P | 13,500 | 21133475 |
| 610207 | Nov 30, 2005 | Nov 30, 2005 | Noble Energy Production, Inc. | Hemphill | Willis #4420P | 13,500 | 21133460 |
| 610201 | Nov 30, 2005 | Nov 30, 2005 | Noble Energy Production, Inc. | Hemphill | Meadows "A" #4321P | 13,500 | 21133459 |
| 610173 | Nov 29, 2005 | Nov 29, 2005 | Noble Energy Production, Inc. | Hemphill | Vandiver #5418P | 13,500 | 21133457 |
| 609705 | Nov 18, 2005 | Nov 18, 2005 | Noble Energy Production, Inc. | Wheeler | Moore #5004 | 14,000 | 48331978 |
| 609706 | Nov 17, 2005 | Nov 17, 2005 | Noble Energy Production, Inc. | Hemphill | Teas 42 #4229P | 13,500 | 21133451 |
| 608938 | Nov 4, 2005 | Nov 4, 2005 | Noble Energy Production, Inc. | Hemphill | Willis #4419P | 13,500 | 21133446 |
| 608937 | Nov 3, 2005 | Nov 3, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 55 #5532P | 13,500 | 21133445 |
| 608936 | Nov 3, 2005 | Nov 3, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1331P | 13,500 | 21133444 |
| 608935 | Nov 3, 2005 | Nov 3, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1330P | 13,500 | 21133443 |
| 608930 | Nov 3, 2005 | Nov 3, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1327P | 13,500 | 21133442 |
| 608362 | Oct 24, 2005 | Oct 24, 2005 | Noble Energy Production, Inc. | Hemphill | Pearson #5518P | 13,500 | 21133429 |
| 608221 | Oct 20, 2005 | Oct 20, 2005 | Noble Energy Production, Inc. | Hemphill | Pearson #5524P | 13,500 | 21133427 |
| 608219 | Oct 20, 2005 | Oct 20, 2005 | Noble Energy Production, Inc. | Wheeler | RN Byers Unit #2308 | 14,000 | 48331967 |
| 608219Amendment | Oct 20, 2005 | Oct 20, 2005 | Noble Energy Production, Inc. | Wheeler | RN Byers Unit #2308 | 14,000 | 48331967 |
| 607943 | Oct 19, 2005 | Oct 19, 2005 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6806P | 13,500 | 21133425 |
| 607943Amendment | Oct 19, 2005 | Oct 19, 2005 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6806P | 13,500 | 21133425 |
| 607944 | Oct 17, 2005 | Oct 17, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1329P | 13,500 | 21133426 |
| 607678 | Oct 11, 2005 | Oct 11, 2005 | Noble Energy Production, Inc. | Hemphill | Willis A #4417P | 13,500 | 21133422 |
| 607542 | Oct 7, 2005 | Oct 7, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1332P | 13,500 | 21133421 |
| 607542Amendment | Oct 7, 2005 | Oct 7, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1332P | 13,500 | 21133421 |
| 607401 | Oct 6, 2005 | Oct 6, 2005 | Noble Energy Production, Inc. | Hemphill | Holland C #572OP | 13,500 | 21133420 |
| 607399 | Oct 5, 2005 | Oct 5, 2005 | Noble Energy Production, Inc. | Wheeler | Moore #5003 | 14,000 | 48331960 |
| 606473 | Sep 16, 2005 | Sep 16, 2005 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6803P | 13,500 | 21133414 |
| 606109 | Sep 9, 2005 | Sep 9, 2005 | Noble Energy Production, Inc. | Wheeler | Street, E.B. #1510 | 14,000 | 48331944 |
| 605712 | Sep 1, 2005 | Sep 1, 2005 | Noble Energy Production, Inc. | Hemphill | Bourassa A #4328P | 13,500 | 21133404 |
| 605714 | Aug 31, 2005 | Aug 31, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1328P | 13,500 | 21133405 |
| 605714Amendment | Aug 31, 2005 | Aug 31, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1328P | 13,500 | 21133405 |
| 605406 | Aug 24, 2005 | Aug 24, 2005 | Noble Energy Production, Inc. | Hemphill | Keeton #5610P | 13,500 | 21133395 |
| 605287 | Aug 22, 2005 | Aug 22, 2005 | Noble Energy Production, Inc. | Hemphill | Brotherton #7004P | 13,500 | 21133394 |
| 605286 | Aug 22, 2005 | Aug 22, 2005 | Noble Energy Production, Inc. | Hemphill | Noah #0815P | 13,500 | 21133393 |
| 605203 | Aug 19, 2005 | Aug 19, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 13 #1325P | 13,500 | 21133389 |
| 605189 | Aug 19, 2005 | Aug 19, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 14 #1404P | 13,500 | 21133391 |
| 605178 | Aug 19, 2005 | Aug 19, 2005 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6824P | 13,500 | 21133390 |
| 604664 | Aug 9, 2005 | Aug 9, 2005 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6804P | 13,500 | 21133385 |
| 604439 | Aug 4, 2005 | Aug 4, 2005 | Noble Energy Production, Inc. | Hemphill | Meek 68 #6831P | 13,500 | 21133382 |
| 604435 | Aug 4, 2005 | Aug 4, 2005 | Noble Energy Production, Inc. | Hemphill | Teas 42 #4206P | 13,500 | 21133381 |
| 604431 | Aug 4, 2005 | Aug 4, 2005 | Noble Energy Production, Inc. | Hemphill | Carr 14 #1412P | 13,500 | 21133380 |
| 604120 | Aug 1, 2005 | Aug 1, 2005 | Noble Energy Production, Inc. | Hemphill | Bourassa C #4322P | 13,500 | 21133377 |
| 604119 | Aug 1, 2005 | Aug 1, 2005 | Noble Energy Production, Inc. | Hemphill | Willis A #4424P | 13,500 | 21133376 |
| 604099 | Jul 28, 2005 | Jul 28, 2005 | Noble Energy Production, Inc. | Hemphill | Willis #4421P | 13,500 | 21133375 |
| 603894 | Jul 25, 2005 | Jul 25, 2005 | Noble Energy Production, Inc. | Hemphill | Vandiver #5424P | 13,500 | 21133369 |
| 603894Amendment | Jul 25, 2005 | Jul 25, 2005 | Noble Energy Production, Inc. | Hemphill | Vandiver #5424P | 13,500 | 21133369 |