| 494656 | May 8, 2000 | May 8, 2000 | Cross Timbers Operating Company | Harrison | Cutbirth Estate Gas Unit #3 | 11,000 | 20332574 |
| 493649 | May 5, 2000 | May 5, 2000 | Cross Timbers Operating Company | Andrews | University Block 9/Penn/Unit #66 | 9,400 | 00338160 |
| 494408 | Apr 27, 2000 | Apr 27, 2000 | Cross Timbers Operating Company | Andrews | University Block 9/Penn/Unit #68 | 9,500 | 00338556 |
| 493353 | Apr 21, 2000 | Apr 21, 2000 | Cross Timbers Operating Company | Freestone | Thompson, C. C. #9 | 13,500 | 16131742 |
| 494206 | Apr 20, 2000 | Apr 20, 2000 | Cross Timbers Operating Company | Gregg | WSGU11 (Gray-5) #6 | 12,000 | 18331406 |
| 494060 | Apr 19, 2000 | Apr 19, 2000 | Cross Timbers Operating Company | Freestone | McWatters, T. H. #15 | 13,500 | 16131762 |
| 493881 | Apr 19, 2000 | Apr 19, 2000 | Cross Timbers Operating Company | Harrison | Hughes, Della #13 | 9,400 | 20332610 |
| 493247 | Apr 19, 2000 | Apr 19, 2000 | Cross Timbers Operating Company | Harrison | Cook, W. T. #4 | 9,200 | 20332605 |
| 493247Amendment | Apr 19, 2000 | Apr 19, 2000 | Cross Timbers Operating Company | Harrison | Cook, W. T. #4 | 9,200 | 20332605 |
| 493840 | Apr 7, 2000 | Apr 7, 2000 | Cross Timbers Operating Company | Andrews | University Block 9/Penn/Unit #67 | 10,339 | 00338203 |
| 493756 | Apr 7, 2000 | Apr 7, 2000 | Cross Timbers Operating Company | Freestone | Pollard, J. M. #16 | 13,500 | 16131746 |
| 493551 | Apr 6, 2000 | Apr 6, 2000 | Cross Timbers Operating Company | Gregg | Wscgu (Horton-Dickson) #510 | 8,804 | 18330058 |
| 493362 | Mar 24, 2000 | Mar 24, 2000 | Cross Timbers Operating Company | Henderson | Ogu (Wofford, G. M. -2) #79 | 10,800 | 21330510 |
| 493246 | Mar 24, 2000 | Mar 24, 2000 | Cross Timbers Operating Company | Gregg | Wscgu (Horton, N.) #401 | 10,600 | 18331176 |
| 493276 | Mar 23, 2000 | Mar 23, 2000 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #552 | 7,270 | 44531917 |
| 493275 | Mar 23, 2000 | Mar 23, 2000 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #585 | 7,365 | 44531916 |
| 493274 | Mar 23, 2000 | Mar 23, 2000 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #296 | 7,300 | 44531915 |
| 493273 | Mar 23, 2000 | Mar 23, 2000 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #536 | 7,450 | 44531914 |
| 493271 | Mar 23, 2000 | Mar 23, 2000 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #577 | 7,315 | 44531913 |
| 492782 | Mar 17, 2000 | Mar 17, 2000 | Cross Timbers Operating Company | Harrison | Peal, A. H. #4 | 10,303 | 20332597 |
| 493072 | Mar 16, 2000 | Mar 16, 2000 | Cross Timbers Operating Company | Harrison | Keasler, John K. #8 | 11,000 | 20332600 |
| 493072Amendment | Mar 16, 2000 | Mar 16, 2000 | Cross Timbers Operating Company | Harrison | Keasler, John K. #8 | 11,000 | 20332600 |
| 493074 | Mar 15, 2000 | Mar 15, 2000 | Cross Timbers Operating Company | Henderson | Ogu (Spradlin, G. T. -2) #78 | 10,700 | 21330503 |
| 492819 | Mar 15, 2000 | Mar 15, 2000 | Cross Timbers Operating Company | Harrison | Pope, Joe #3 | 9,200 | 20332598 |
| 492936 | Mar 10, 2000 | Mar 10, 2000 | Cross Timbers Operating Company | Harrison | Morris, O. E. #2 | 9,000 | 20332599 |
| 492785 | Mar 8, 2000 | Mar 8, 2000 | Cross Timbers Operating Company | Andrews | University 9 H #3 | 10,700 | 00338589 |
| 492784 | Mar 8, 2000 | Mar 8, 2000 | Cross Timbers Operating Company | Andrews | University 9 Cee #8 | 10,700 | 00338590 |
| 492783 | Mar 8, 2000 | Mar 8, 2000 | Cross Timbers Operating Company | Andrews | University 9 Cec #10 | 10,700 | 00338591 |
| 492781 | Mar 8, 2000 | Mar 8, 2000 | Cross Timbers Operating Company | Freestone | Newsom, C. A. Estate #12 | 13,500 | 16131725 |
| 492358 | Feb 23, 2000 | Feb 23, 2000 | Cross Timbers Operating Company | Andrews | University "9" -A- #6 | 10,700 | 00338582 |
| 492146 | Feb 16, 2000 | Feb 16, 2000 | Cross Timbers Operating Company | Andrews | University 9 Cec #9 | 10,700 | 00338581 |
| 491721 | Feb 4, 2000 | Feb 4, 2000 | Cross Timbers Operating Company | Henderson | Ogu (Corley, C. W. B-4) #111 | 10,300 | 21330560 |
| 491498 | Jan 27, 2000 | Jan 27, 2000 | Cross Timbers Operating Company | Andrews | Texas N #6 | 10,800 | 00338567 |
| 490487 | Jan 26, 2000 | Jan 26, 2000 | Cross Timbers Operating Company | Gregg | Wscgu (Robertson) #109 | 12,000 | 18331393 |
| 491398 | Jan 25, 2000 | Jan 25, 2000 | Cross Timbers Operating Company | Andrews | University "9" -D- #6 | 10,800 | 00338566 |
| 490811 | Jan 5, 2000 | Jan 5, 2000 | Cross Timbers Operating Company | Henderson | Ogu (McGee, S. S. -6) #148 | 10,500 | 21330610 |
| 490754 | Jan 4, 2000 | Jan 4, 2000 | Cross Timbers Operating Company | Henderson | Ogu (Pope, F. S. -5) #174 | 10,600 | 21330718 |
| 490692 | Jan 3, 2000 | Jan 3, 2000 | Cross Timbers Operating Company | Freestone | Pollard, J. M. #12 | 13,500 | 16131691 |
| 490692Amendment | Jan 3, 2000 | Jan 3, 2000 | Cross Timbers Operating Company | Freestone | Pollard, J. M. #12 | 13,500 | 16131691 |
| 490692Amendment | Jan 3, 2000 | Jan 3, 2000 | Cross Timbers Operating Company | Freestone | Pollard, J. M. #12 | 13,500 | 16131691 |
| 490021 | Dec 30, 1999 | Dec 30, 1999 | Cross Timbers Operating Company | Freestone | Pollard, J. M. #11 | 13,500 | 16131677 |
| 490021Amendment | Dec 30, 1999 | Dec 30, 1999 | Cross Timbers Operating Company | Freestone | Pollard, J. M. #11 | 13,500 | 16131677 |
| 490440 | Dec 17, 1999 | Dec 17, 1999 | Cross Timbers Operating Company | Gregg | Wscgu (Horton-Dickson) #526 | 12,000 | 18331392 |
| 490332 | Dec 14, 1999 | Dec 14, 1999 | Cross Timbers Operating Company | Andrews | Texas -Q- #7 | 10,800 | 00338556 |
| 490332Amendment | Dec 14, 1999 | Dec 14, 1999 | Cross Timbers Operating Company | Andrews | Texas -Q- #7 | 10,800 | 00338556 |
| 490145 | Dec 9, 1999 | Dec 9, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Asher, W. D. -2) #115 | 10,073 | 21330554 |
| 490022 | Dec 6, 1999 | Dec 6, 1999 | Cross Timbers Operating Company | Freestone | Newsom, C. A. Estate #11 | 13,500 | 16131678 |
| 490022Amendment | Dec 6, 1999 | Dec 6, 1999 | Cross Timbers Operating Company | Freestone | Newsom, C. A. Estate #11 | 13,500 | 16131678 |
| 489936 | Dec 3, 1999 | Dec 3, 1999 | Cross Timbers Operating Company | Freestone | Newson, C. A. Estate #10 | 13,500 | 16131675 |
| 489936Amendment | Dec 3, 1999 | Dec 3, 1999 | Cross Timbers Operating Company | Freestone | Newson, C. A. Estate #10 | 13,500 | 16131675 |
| 489540 | Nov 17, 1999 | Nov 17, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Malone, G. W. -5) #113 | 12,500 | 21330561 |
| 489539 | Nov 17, 1999 | Nov 17, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Saylors, M. A-5) #129 | 12,277 | 21330538 |
| 489371 | Nov 17, 1999 | Nov 17, 1999 | Cross Timbers Operating Company | Harrison | Ing, John W. Heirs #3 | 10,000 | 20332581 |
| 489372 | Nov 12, 1999 | Nov 12, 1999 | Cross Timbers Operating Company | Gregg | WSGU11 (Gray -4) #5 | 12,000 | 18331390 |
| 489131 | Nov 5, 1999 | Nov 5, 1999 | Cross Timbers Operating Company | Henderson | Ogu (McGee, S. S. -4) #106 | 10,300 | 21330509 |
| 488989 | Oct 29, 1999 | Oct 29, 1999 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #295 | 7,400 | 44531890 |
| 488983 | Oct 29, 1999 | Oct 29, 1999 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #555 | 7,360 | 44531889 |
| 488982 | Oct 29, 1999 | Oct 29, 1999 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #594 | 7,450 | 44531888 |
| 488577 | Oct 29, 1999 | Oct 29, 1999 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #667 | 7,100 | 44531723 |
| 488897 | Oct 28, 1999 | Oct 28, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Saylors, M. A. -9) #169 | 10,100 | 21330713 |
| 488723 | Oct 26, 1999 | Oct 26, 1999 | Cross Timbers Operating Company | Gregg | WSGU1 (Lacy, E. -11) #11 | 12,000 | 18331386 |
| 488723Amendment | Oct 26, 1999 | Oct 26, 1999 | Cross Timbers Operating Company | Gregg | WSGU1 (Lacy, E. -11) #11 | 12,000 | 18331386 |
| 488627 | Oct 21, 1999 | Oct 21, 1999 | Cross Timbers Operating Company | Gregg | WSGU10 (Walke-6) #9 | 12,000 | 18331384 |
| 488627Amendment | Oct 21, 1999 | Oct 21, 1999 | Cross Timbers Operating Company | Gregg | WSGU10 (Walke-6) #9 | 12,000 | 18331384 |
| 488536 | Oct 21, 1999 | Oct 21, 1999 | Cross Timbers Operating Company | Gregg | Wscgu (Lacy, R.) #305 | 12,000 | 18331383 |
| 488423 | Oct 13, 1999 | Oct 13, 1999 | Cross Timbers Operating Company | Gregg | Wscgu (Robertson) #108 | 12,000 | 18331382 |
| 488423Amendment | Oct 13, 1999 | Oct 13, 1999 | Cross Timbers Operating Company | Gregg | Wscgu (Robertson) #108 | 12,000 | 18331382 |
| 488367 | Oct 12, 1999 | Oct 12, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Wofford, G. M. -3) #127 | 9,900 | 21330570 |
| 488046 | Oct 1, 1999 | Oct 1, 1999 | Cross Timbers Operating Company | Harrison | Cutbirth Estate Gas Unit #3 | 10,000 | 20332574 |
| 488046Amendment | Oct 1, 1999 | Oct 1, 1999 | Cross Timbers Operating Company | Harrison | Cutbirth Estate Gas Unit #3 | 11,000 | 20332574 |
| 488046Amendment | Oct 1, 1999 | Oct 1, 1999 | Cross Timbers Operating Company | Harrison | Cutbirth Estate Gas Unit #3 | 11,000 | 20332574 |
| 487755 | Sep 21, 1999 | Sep 21, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Wofford, G. M. -4) #128 | 10,300 | 21330571 |
| 487754 | Sep 21, 1999 | Sep 21, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Wofford, G. M. -5) #149 | 10,270 | 21330609 |
| 487621 | Sep 17, 1999 | Sep 17, 1999 | Cross Timbers Operating Company | Harrison | Williams, Ivy Heirs #8 | 10,000 | 20332570 |
| 487597 | Sep 15, 1999 | Sep 15, 1999 | Cross Timbers Operating Company | Gaines | Texas Commerce Bank #2HH | 13,570 | 16531561 |
| 487442 | Sep 13, 1999 | Sep 13, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Huff, C. C. -5) #146 | 10,600 | 21330606 |
| 487357 | Sep 9, 1999 | Sep 9, 1999 | Cross Timbers Operating Company | Gregg | WSGU1 (Lacy, E. -10) #10 | 12,000 | 18331378 |
| 487260 | Sep 7, 1999 | Sep 7, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Corley, C. W. -B- -6) #170 | 10,002 | 21330714 |
| 487129 | Sep 2, 1999 | Sep 2, 1999 | Cross Timbers Operating Company | Freestone | Newsom, C. A. Estate #9 | 13,500 | 16131626 |
| 487129Amendment | Sep 2, 1999 | Sep 2, 1999 | Cross Timbers Operating Company | Freestone | Newsom, C. A. Estate #9 | 13,500 | 16131626 |
| 487099 | Aug 31, 1999 | Aug 31, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Spradlin, G. T. -4) #183 | 10,000 | 21330728 |
| 487098 | Aug 31, 1999 | Aug 31, 1999 | Cross Timbers Operating Company | Freestone | Pollard, J. M. #10 | 13,500 | 16131625 |
| 487098Amendment | Aug 31, 1999 | Aug 31, 1999 | Cross Timbers Operating Company | Freestone | Pollard, J. M. #10 | 13,500 | 16131625 |
| 487045 | Aug 31, 1999 | Aug 31, 1999 | Cross Timbers Operating Company | Freestone | Thompson, C. C. #8 | 13,500 | 16131624 |
| 487045Amendment | Aug 31, 1999 | Aug 31, 1999 | Cross Timbers Operating Company | Freestone | Thompson, C. C. #8 | 13,500 | 16131624 |
| 487045Amendment | Aug 31, 1999 | Aug 31, 1999 | Cross Timbers Operating Company | Freestone | Thompson, C. C. #8 | 13,500 | 16131624 |
| 486995 | Aug 31, 1999 | Aug 31, 1999 | Cross Timbers Operating Company | Freestone | McWatters, T. H. #11 | 13,500 | 16131623 |
| 486947 | Aug 26, 1999 | Aug 26, 1999 | Cross Timbers Operating Company | Harrison | Knox, D. & E. K. #7 | 9,500 | 20332569 |
| 486947Amendment | Aug 26, 1999 | Aug 26, 1999 | Cross Timbers Operating Company | Harrison | Knox, D. & E. K. #7 | 9,500 | 20332569 |
| 486856 | Aug 23, 1999 | Aug 23, 1999 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #181HH | 6,719 | 44531311 |
| 486483 | Aug 9, 1999 | Aug 9, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Hamill, Sallie -1) #75 | 11,054 | 21330408 |
| 486481 | Aug 9, 1999 | Aug 9, 1999 | Cross Timbers Operating Company | Henderson | Ogu (Hatton, J. F. -2) #194 | 10,200 | 21330772 |
| 486336 | Aug 3, 1999 | Aug 3, 1999 | Cross Timbers Operating Company | Andrews | University Block 9 Penn Unit #65 | 9,500 | 00338201 |
| 486304 | Aug 3, 1999 | Aug 3, 1999 | Cross Timbers Operating Company | Harrison | Ledbetter-Jones #6 | 9,500 | 20332566 |
| 486303 | Aug 3, 1999 | Aug 3, 1999 | Cross Timbers Operating Company | Harrison | Allen, W. H. Estate #9 | 9,500 | 20332567 |
| 485978 | Jul 29, 1999 | Jul 29, 1999 | Cross Timbers Operating Company | Andrews | University 9 Cec #8 | 10,700 | 00338502 |
| 485977 | Jul 29, 1999 | Jul 29, 1999 | Cross Timbers Operating Company | Andrews | University 9 Cec #7 | 10,700 | 00338501 |
| 486185 | Jul 27, 1999 | Jul 27, 1999 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #507 | 7,360 | 44531882 |
| 486184 | Jul 27, 1999 | Jul 27, 1999 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #557 | 7,360 | 44531881 |
| 486183 | Jul 27, 1999 | Jul 27, 1999 | Cross Timbers Operating Company | Terry | Prentice Northeast Unit #592 | 7,360 | 44531880 |