| 536385Amendment | Sep 16, 2003 | Sep 16, 2003 | XTO Energy Inc. | Freestone | Cosson Gas Unit #616132765 | 13,000 |
| 536333 | Sep 16, 2003 | Sep 16, 2003 | XTO Energy Inc. | Limestone | Standley Gas Unit No. 2 #529331531 | 14,000 |
| 536272 | Sep 12, 2003 | Sep 12, 2003 | XTO Energy Inc. | Freestone | Vestal Gas Unit No. 1 #1316132761 | 14,500 |
| 536271 | Sep 12, 2003 | Sep 12, 2003 | XTO Energy Inc. | Limestone | B. W. Thompson Gas Unit No. 1 #629331530 | 13,300 |
| 536216 | Sep 11, 2003 | Sep 11, 2003 | XTO Energy Inc. | Limestone | Gibson #629331529 | 14,000 |
| 536189 | Sep 11, 2003 | Sep 11, 2003 | XTO Energy Inc. | Freestone | Knight Gas Unit No. 1 #716132758 | 13,700 |
| 536188 | Sep 11, 2003 | Sep 11, 2003 | XTO Energy Inc. | Freestone | Rogers Gas Unit #816132757 | 13,500 |
| 536188Amendment | Sep 11, 2003 | Sep 11, 2003 | XTO Energy Inc. | Freestone | Rogers Gas Unit #816132757 | 13,500 |
| 536158 | Sep 11, 2003 | Sep 11, 2003 | XTO Energy Inc. | Freestone | Knight Gas Unit No. 1 #816132760 | 13,700 |
| 536110 | Sep 10, 2003 | Sep 10, 2003 | XTO Energy Inc. | Freestone | Cosson Gas Unit #816132755 | 13,100 |
| 536110Amendment | Sep 10, 2003 | Sep 10, 2003 | XTO Energy Inc. | Freestone | Cosson Gas Unit #816132755 | 13,100 |
| 535718 | Sep 10, 2003 | Sep 10, 2003 | XTO Energy Inc. | Andrews | University Block 9/Wolfcamp/Unit #7Q00338556 | 8,590 |
| 536111 | Sep 9, 2003 | Sep 9, 2003 | XTO Energy Inc. | Freestone | Cosson Gas Unit #716132754 | 13,100 |
| 536111Amendment | Sep 9, 2003 | Sep 9, 2003 | XTO Energy Inc. | Freestone | Cosson Gas Unit #716132754 | 13,100 |
| 536055 | Sep 8, 2003 | Sep 8, 2003 | XTO Energy Inc. | Freestone | Cosson Gas Unit #516132753 | 13,100 |
| 536055Amendment | Sep 8, 2003 | Sep 8, 2003 | XTO Energy Inc. | Freestone | Cosson Gas Unit #516132753 | 13,100 |
| 536018 | Sep 8, 2003 | Sep 8, 2003 | XTO Energy Inc. | Limestone | Beachcomber Gas Unit No. 2 #529331528 | 13,700 |
| 535948 | Sep 8, 2003 | Sep 8, 2003 | XTO Energy Inc. | Limestone | Jeff Thomas Gas Unit No. 1 #1029331527 | 13,800 |
| 535848 | Aug 28, 2003 | Aug 28, 2003 | XTO Energy Inc. | Terry | Prentice Northeast Unit #47944532029 | 7,370 |
| 535846 | Aug 28, 2003 | Aug 28, 2003 | XTO Energy Inc. | Terry | Prentice Northeast Unit #80144532028 | 7,350 |
| 535845 | Aug 28, 2003 | Aug 28, 2003 | XTO Energy Inc. | Terry | Prentice Northeast Unit #55944532027 | 7,395 |
| 535523 | Aug 27, 2003 | Aug 27, 2003 | XTO Energy Inc. | Limestone | H. D. Thomas et al Gas Unit #529331525 | 13,300 |
| 535523Amendment | Aug 27, 2003 | Aug 27, 2003 | XTO Energy Inc. | Limestone | H. D. Thomas et al Gas Unit #529331525 | 13,300 |
| 535563 | Aug 22, 2003 | Aug 22, 2003 | XTO Energy Inc. | Andrews | Univerity Block 9/Wolfcamp/Unit #11AO00338271 | 8,530 |
| 535435 | Aug 21, 2003 | Aug 21, 2003 | XTO Energy Inc. | Freestone | Clarke Gas Unit #916132749 | 13,600 |
| 535434 | Aug 21, 2003 | Aug 21, 2003 | XTO Energy Inc. | Limestone | Beachcomber Gas Unit No. 2 #729331524 | 13,600 |
| 534437 | Aug 21, 2003 | Aug 21, 2003 | XTO Energy Inc. | Andrews | University Block 9 /Penn/Unit #7600302526 | 10,180 |
| 535378 | Aug 20, 2003 | Aug 20, 2003 | XTO Energy Inc. | Freestone | Clarke Gas Unit #816132747 | 13,600 |
| 535377 | Aug 20, 2003 | Aug 20, 2003 | XTO Energy Inc. | Limestone | Gilliam "B" No. 1 Gas Unit #729331523 | 13,300 |
| 535376 | Aug 20, 2003 | Aug 20, 2003 | XTO Energy Inc. | Freestone | Wilburn #216132748 | 13,600 |
| 535336 | Aug 20, 2003 | Aug 20, 2003 | XTO Energy Inc. | Freestone | Kirsch Gas Unit #616132742 | 13,600 |
| 535336Amendment | Aug 20, 2003 | Aug 20, 2003 | XTO Energy Inc. | Freestone | Kirsch Gas Unit #616132742 | 12,900 |
| 535284 | Aug 18, 2003 | Aug 18, 2003 | XTO Energy Inc. | Freestone | Barnett Gas Unit #516132741 | 13,600 |
| 535283 | Aug 18, 2003 | Aug 18, 2003 | XTO Energy Inc. | Terry | Prentice Northeast Unit #75344532026 | 7,170 |
| 535282 | Aug 18, 2003 | Aug 18, 2003 | XTO Energy Inc. | Terry | Prentice Northeast Unit #68644532025 | 7,085 |
| 535230 | Aug 18, 2003 | Aug 18, 2003 | XTO Energy Inc. | Robertson | Reagan Gas Unit #439530831 | 13,600 |
| 532571 | Aug 15, 2003 | Aug 15, 2003 | XTO Energy Inc. | Harrison | Pitts, Henry #520332336 | 9,000 |
| 535321 | Aug 14, 2003 | Aug 14, 2003 | XTO Energy Inc. | Andrews | University Block 9/Penn/Unit #7800339152 | 9,400 |
| 535319 | Aug 14, 2003 | Aug 14, 2003 | XTO Energy Inc. | Andrews | University Block 9/Penn/Unit #7700339151 | 9,350 |
| 535318 | Aug 14, 2003 | Aug 14, 2003 | XTO Energy Inc. | Andrews | University Block 9/Wolfcamp/Unit #9N00339150 | 9,350 |
| 535317 | Aug 14, 2003 | Aug 14, 2003 | XTO Energy Inc. | Andrews | State University -At- #900339149 | 4,750 |
| 535316 | Aug 14, 2003 | Aug 14, 2003 | XTO Energy Inc. | Andrews | University Block 9/Wolfcamp/Unit #12C00339148 | 9,350 |
| 535315 | Aug 14, 2003 | Aug 14, 2003 | XTO Energy Inc. | Andrews | State University -AO- #1300339153 | 4,800 |
| 534939 | Aug 6, 2003 | Aug 6, 2003 | XTO Energy Inc. | Freestone | Luna SWD #116132730 | 5,000 |
| 534902 | Aug 6, 2003 | Aug 6, 2003 | XTO Energy Inc. | Robertson | Milstead Gas Unit #239530829 | 13,600 |
| 534901 | Aug 6, 2003 | Aug 6, 2003 | XTO Energy Inc. | Robertson | Black Gas Unit #139530827 | 14,500 |
| 534901Amendment | Aug 6, 2003 | Aug 6, 2003 | XTO Energy Inc. | Robertson | Black Gas Unit #139530827 | 14,500 |
| 534899 | Aug 6, 2003 | Aug 6, 2003 | XTO Energy Inc. | Robertson | Black Gas Unit #239530828 | 13,600 |
| 534819 | Aug 5, 2003 | Aug 5, 2003 | XTO Energy Inc. | Freestone | Rogers Gas Unit #716132728 | 13,500 |
| 534780 | Aug 5, 2003 | Aug 5, 2003 | XTO Energy Inc. | Robertson | Pace "a" No. 1 Gas Unit #439530826 | 13,600 |
| 534731 | Aug 1, 2003 | Aug 1, 2003 | XTO Energy Inc. | Robertson | Pace "a" No. 1 Gas Unit #339530825 | 13,600 |
| 534613 | Jul 31, 2003 | Jul 31, 2003 | XTO Energy Inc. | Freestone | Vestal Gas Unit No. 1 #1416132722 | 14,500 |
| 534544 | Jul 30, 2003 | Jul 30, 2003 | XTO Energy Inc. | Robertson | Lincecum Gas Unit No. 1 #339530824 | 13,600 |
| 534439 | Jul 24, 2003 | Jul 24, 2003 | XTO Energy Inc. | Andrews | University Block 9/Penn/Unit #7500305635 | 11,624 |
| 534376 | Jul 24, 2003 | Jul 24, 2003 | XTO Energy Inc. | Robertson | Lincecum Gas Unit No. 1 #239530823 | 13,600 |
| 534279 | Jul 21, 2003 | Jul 21, 2003 | XTO Energy Inc. | Freestone | Kirsch Gas Unit #516132710 | 13,100 |
| 534232 | Jul 18, 2003 | Jul 18, 2003 | XTO Energy Inc. | Limestone | Lindley Gas Unit #129331521 | 13,600 |
| 534232Amendment | Jul 18, 2003 | Jul 18, 2003 | XTO Energy Inc. | Limestone | Lindley Gas Unit #129331521 | 13,600 |
| 532365 | Jul 18, 2003 | Jul 18, 2003 | XTO Energy Inc. | Gregg | Pine Tree I.S.D. #918331574 | 12,000 |
| 534170 | Jul 17, 2003 | Jul 17, 2003 | XTO Energy Inc. | Limestone | Crider Gas Unit #229331520 | 13,400 |
| 534170Amendment | Jul 17, 2003 | Jul 17, 2003 | XTO Energy Inc. | Limestone | Crider Gas Unit #229331520 | 13,500 |
| 534169 | Jul 17, 2003 | Jul 17, 2003 | XTO Energy Inc. | Freestone | Irvin Gas Unit #516132708 | 13,200 |
| 534169Amendment | Jul 17, 2003 | Jul 17, 2003 | XTO Energy Inc. | Freestone | Irvin Gas Unit #516132708 | 13,200 |
| 534168 | Jul 17, 2003 | Jul 17, 2003 | XTO Energy Inc. | Freestone | Irvin Gas Unit #616132707 | 13,200 |
| 534168Amendment | Jul 17, 2003 | Jul 17, 2003 | XTO Energy Inc. | Freestone | Irvin Gas Unit #616132707 | 13,200 |
| 534058 | Jul 17, 2003 | Jul 17, 2003 | XTO Energy Inc. | Robertson | Shipper Gas Unit #239530820 | 13,600 |
| 534015 | Jul 15, 2003 | Jul 15, 2003 | XTO Energy Inc. | Freestone | Alderman #116130849 | 11,209 |
| 533966 | Jul 15, 2003 | Jul 15, 2003 | XTO Energy Inc. | Freestone | Winfree Gas Unit #2C16130947 | 12,578 |
| 533965 | Jul 15, 2003 | Jul 15, 2003 | XTO Energy Inc. | Robertson | Clara Baldwin Gas Unit #139530816 | 13,600 |
| 533885 | Jul 11, 2003 | Jul 11, 2003 | XTO Energy Inc. | Leon | Jimmy Beddingfield Gas Unit NO.1 #228931379 | 15,200 |
| 533719 | Jul 8, 2003 | Jul 8, 2003 | XTO Energy Inc. | Limestone | Rhodes Gas Unit #129331518 | 13,800 |
| 533699 | Jul 7, 2003 | Jul 7, 2003 | XTO Energy Inc. | Freestone | Hall, F. L. #216131358 | 9,600 |
| 533622 | Jul 2, 2003 | Jul 2, 2003 | XTO Energy Inc. | Freestone | George Fulton Gas Unit No. 1 #1316132692 | 13,500 |
| 533622Amendment | Jul 2, 2003 | Jul 2, 2003 | XTO Energy Inc. | Freestone | George Fulton Gas Unit No. 1 #1316132692 | 13,500 |
| 533622Amendment | Jul 2, 2003 | Jul 2, 2003 | XTO Energy Inc. | Freestone | George Fulton Gas Unit No. 1 #1316132692 | 13,500 |
| 533605 | Jul 2, 2003 | Jul 2, 2003 | XTO Energy Inc. | Freestone | George Fulton Gas Unit No. 1 #1416132690 | 13,500 |
| 533605Amendment | Jul 2, 2003 | Jul 2, 2003 | XTO Energy Inc. | Freestone | George Fulton Gas Unit No. 1 #1416132690 | 13,500 |
| 533604 | Jul 2, 2003 | Jul 2, 2003 | XTO Energy Inc. | Freestone | George Fulton Gas Unit No. 1 #1216132691 | 13,500 |
| 532060 | Jun 18, 2003 | Jun 18, 2003 | XTO Energy Inc. | Freestone | Kindon Gas Unit #1 #716132234 | 13,500 |
| 532957 | Jun 16, 2003 | Jun 16, 2003 | XTO Energy Inc. | Robertson | Buchanan Gas Unit #139530812 | 13,600 |
| 532958 | Jun 13, 2003 | Jun 13, 2003 | XTO Energy Inc. | Freestone | Pickett #1 Gas Unit #316132676 | 12,500 |
| 532958Amendment | Jun 13, 2003 | Jun 13, 2003 | XTO Energy Inc. | Freestone | Pickett #1 Gas Unit #316132676 | 13,000 |
| 532059 | Jun 13, 2003 | Jun 13, 2003 | XTO Energy Inc. | Limestone | Cecil Barnett Gas Unit #229331509 | 13,600 |
| 532058 | Jun 13, 2003 | Jun 13, 2003 | XTO Energy Inc. | Robertson | Cecil Barnett Gas Unit #339530806 | 13,600 |
| 532888 | Jun 11, 2003 | Jun 11, 2003 | XTO Energy Inc. | Freestone | Henderson-Lott No. 1 Gas Unit #316132674 | 13,150 |
| 532724 | Jun 6, 2003 | Jun 6, 2003 | XTO Energy Inc. | Gregg | Wscgu (Horton-Dickson) #53918331578 | 12,000 |
| 532723 | Jun 6, 2003 | Jun 6, 2003 | XTO Energy Inc. | Gregg | WSGU7 (Horton-Dickson-34) #3418331577 | 12,000 |
| 532722 | Jun 6, 2003 | Jun 6, 2003 | XTO Energy Inc. | Limestone | Griffiths Gas Unit No. 1 #629331516 | 13,000 |
| 532722Amendment | Jun 6, 2003 | Jun 6, 2003 | XTO Energy Inc. | Limestone | Griffiths Gas Unit No. 1 #629331516 | 13,500 |
| 532722Amendment | Jun 6, 2003 | Jun 6, 2003 | XTO Energy Inc. | Limestone | Griffiths Gas Unit No. 1 #629331516 | 13,500 |
| 532573 | Jun 5, 2003 | Jun 5, 2003 | XTO Energy Inc. | Limestone | Perlitz Gas Unit No. 1 #829331515 | 13,200 |
| 532441 | Jun 5, 2003 | Jun 5, 2003 | XTO Energy Inc. | Freestone | Curry Gas Unit #316132663 | 13,300 |
| 532441Amendment | Jun 5, 2003 | Jun 5, 2003 | XTO Energy Inc. | Freestone | Curry Gas Unit #316132663 | 13,300 |
| 532440 | Jun 5, 2003 | Jun 5, 2003 | XTO Energy Inc. | Freestone | Curry Gas Unit #216132664 | 13,200 |
| 532440Amendment | Jun 5, 2003 | Jun 5, 2003 | XTO Energy Inc. | Freestone | Curry Gas Unit #216132664 | 13,200 |
| 532439 | Jun 5, 2003 | Jun 5, 2003 | XTO Energy Inc. | Limestone | Standley Gas Unit No. 2 #629331514 | 13,800 |
| 532438 | Jun 5, 2003 | Jun 5, 2003 | XTO Energy Inc. | Andrews | State University -AU- #600335163 | 7,020 |
| 532572 | Jun 4, 2003 | Jun 4, 2003 | XTO Energy Inc. | Freestone | Bailey Gas Unit "A" #616132279 | 14,500 |
| 532367 | May 30, 2003 | May 30, 2003 | XTO Energy Inc. | Freestone | Curry Gas Unit #416132659 | 13,300 |
| 532369 | May 29, 2003 | May 29, 2003 | XTO Energy Inc. | Freestone | Boyd-Pickett Gas Unit #316132656 | 13,100 |