| 518604 | Apr 1, 2002 | Apr 1, 2002 | Citation Oil & Gas Corp. | Texas Land & Mortgage "A"r/a "B" #114 | 8,975 | 22732100 |
| 517237 | Feb 1, 2002 | Feb 1, 2002 | Westport Oil and Gas Company Inc | McNallen, H. R. Clay #6 | 2,900 | 22732685 |
| 515071 | Nov 8, 2001 | Nov 8, 2001 | Walsh & Watts, Inc. | Snyder "C" #8 | 3,950 | 22735754 |
| 515130 | Nov 7, 2001 | Nov 7, 2001 | L.C.S. Production Company | Slater #7 | 5,999 | 22735755 |
| 514911 | Nov 1, 2001 | Nov 1, 2001 | Lackey, William H. Oil and Gas | Bond 21 #3 | 8,300 | 22735674 |
| 514767 | Oct 25, 2001 | Oct 25, 2001 | L.C.S. Production Company | Slater #4 | 5,999 | 22735753 |
| 514767Amendment | Oct 25, 2001 | Oct 25, 2001 | Crownquest Operating, LLC | Slater #4 | 5,999 | 22735753 |
| 514685 | Oct 24, 2001 | Oct 24, 2001 | Walsh & Watts, Inc. | Snyder "C" #9 | 3,950 | 22735752 |
| 514594 | Oct 18, 2001 | Oct 18, 2001 | L.C.S. Production Company | Slater #5 | 5,999 | 22735751 |
| 514593 | Oct 18, 2001 | Oct 18, 2001 | L.C.S. Production Company | Slater #6 | 5,999 | 22735750 |
| 514593Amendment | Oct 18, 2001 | Oct 18, 2001 | L.C.S. Production Company | Slater #6 | 5,999 | 22735750 |
| 514592 | Oct 18, 2001 | Oct 18, 2001 | L.C.S. Production Company | Guitar "B" #513 | 5,999 | 22735749 |
| 514591 | Oct 18, 2001 | Oct 18, 2001 | L.C.S. Production Company | Guitar "A" #613 | 5,999 | 22735748 |
| 514591Amendment | Oct 18, 2001 | Oct 18, 2001 | L.C.S. Production Company | Guitar "C" #613 | 5,999 | 22735748 |
| 514218 | Oct 5, 2001 | Oct 5, 2001 | Anadarko Petroleum Corp. | Douthit, E. W. -B- De #1 | 3,045 | 22700952 |
| 513968 | Oct 2, 2001 | Oct 2, 2001 | L.C.S. Production Company | Guitar 23 #2 | 3,999 | 22735747 |
| 513969 | Sep 28, 2001 | Sep 28, 2001 | L.C.S. Production Company | Guitar 30 #1 | 3,999 | 22735746 |
| 513878 | Sep 24, 2001 | Sep 24, 2001 | L.C.S. Production Company | Guitar "A" #413 | 5,999 | 22735745 |
| 513877 | Sep 24, 2001 | Sep 24, 2001 | L.C.S. Production Company | Slater #3 | 5,999 | 22735744 |
| 513818 | Sep 21, 2001 | Sep 21, 2001 | L.C.S. Production Company | Slater #2 | 5,999 | 22735743 |
| 513443 | Sep 7, 2001 | Sep 7, 2001 | L.C.S. Production Company | Guitar -13- #3 | 5,999 | 22735742 |
| 513241 | Sep 5, 2001 | Sep 5, 2001 | Southwest Royalties, Inc. | Hicks 7 #3 | 8,100 | 22735741 |
| 513091 | Aug 28, 2001 | Aug 28, 2001 | L.C.S. Production Company | Slater #1 | 5,999 | 22735740 |
| 513091Amendment | Aug 28, 2001 | Aug 28, 2001 | L.C.S. Production Company | Slater #1 | 5,999 | 22735740 |
| 511980 | Aug 27, 2001 | Aug 27, 2001 | L.C.S. Production Company | Guitar 23 #1 | 3,999 | 22735730 |
| 512851 | Aug 22, 2001 | Aug 22, 2001 | Baytech, Inc. | Callie "42-B" #1 | 9,000 | 22735134 |
| 512356 | Aug 8, 2001 | Aug 8, 2001 | Central Drilling Company, USA | Lynx 16 #1 | 7,800 | 22735739 |
| 512356Amendment | Aug 8, 2001 | Aug 8, 2001 | Central Drilling Company, USA | Lynx -16- #1 | 10,000 | 22735739 |
| 512229 | Aug 7, 2001 | Aug 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #28W | 3,400 | 22735738 |
| 512228 | Aug 7, 2001 | Aug 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #27W | 3,400 | 22735737 |
| 512227 | Aug 7, 2001 | Aug 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #26W | 3,400 | 22735736 |
| 512226 | Aug 7, 2001 | Aug 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #29W | 3,400 | 22735735 |
| 512225 | Aug 7, 2001 | Aug 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #32W | 3,400 | 22735734 |
| 512224 | Aug 7, 2001 | Aug 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #30W | 3,400 | 22735733 |
| 512223 | Aug 7, 2001 | Aug 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #31W | 3,400 | 22735732 |
| 511528 | Jul 20, 2001 | Jul 20, 2001 | Devon SFS Operating, Inc. | Martin "16" #3 | 8,300 | 22735731 |
| 511170 | Jul 9, 2001 | Jul 9, 2001 | Midland Oil and Gas, Inc. | Snidely #1 | 8,200 | 22735729 |
| 511170Amendment | Jul 9, 2001 | Jul 9, 2001 | Richman Petroleum Corp. | Snidely #1 | 7,775 | 22735729 |
| 511169 | Jul 9, 2001 | Jul 9, 2001 | Midland Oil and Gas, Inc. | Boris #1 | 8,200 | 22735728 |
| 510956 | Jul 6, 2001 | Jul 6, 2001 | Conoco Inc. | Sloan-Chalk #29 | 7,900 | 22735726 |
| 510956Amendment | Jul 6, 2001 | Jul 6, 2001 | Conoco Inc. | Sloan Chalk #29 | 7,900 | 22735726 |
| 511015 | Jul 3, 2001 | Jul 3, 2001 | Midland Oil and Gas, Inc. | DO Right #1 | 8,200 | 22735727 |
| 510807 | Jul 3, 2001 | Jul 3, 2001 | Southwest Royalties, Inc. | Robertson #4 | 8,000 | 22735725 |
| 510686 | Jul 3, 2001 | Jul 3, 2001 | Westport Oil and Gas Company Inc | Clay, H. R. -A- #49 | 3,226 | 22730960 |
| 509064 | Jul 3, 2001 | Jul 3, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #1416 | 3,490 | 22735071 |
| 510972 | Jul 2, 2001 | Jul 2, 2001 | Prize Operating Company | Clay #4W | 3,300 | 22730061 |
| 510971 | Jul 2, 2001 | Jul 2, 2001 | Prize Operating Company | Clay #24 | 3,300 | 22733923 |
| 510410 | Jun 21, 2001 | Jun 21, 2001 | Energas Company | City of Big Spring R.O.W. #95BS | 510 | 22735724 |
| 510409 | Jun 21, 2001 | Jun 21, 2001 | Energas Company | City of Big Spring R.O.W. #98BS | 360 | 22735723 |
| 510384 | Jun 20, 2001 | Jun 20, 2001 | L.C.S. Production Company | Guitar #2013 | 5,999 | 22735722 |
| 510384Amendment | Jun 20, 2001 | Jun 20, 2001 | L.C.S. Production Company | Guitar "A" #213 | 5,999 | 22735722 |
| 510342 | Jun 18, 2001 | Jun 18, 2001 | Southwest Royalties, Inc. | Texaco 23 #4 | 8,000 | 22735721 |
| 510080 | Jun 11, 2001 | Jun 11, 2001 | Prize Operating Company | Clay, H. R. #3 | 3,250 | 22702290 |
| 509519 | Jun 8, 2001 | Jun 8, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #25W | 3,400 | 22735720 |
| 509522 | Jun 7, 2001 | Jun 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #23W | 3,400 | 22735718 |
| 509521 | Jun 7, 2001 | Jun 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #24W | 3,400 | 22735717 |
| 509518 | Jun 7, 2001 | Jun 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #20W | 3,400 | 22735716 |
| 509516 | Jun 7, 2001 | Jun 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #21W | 3,400 | 22735715 |
| 509515 | Jun 7, 2001 | Jun 7, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #22W | 3,400 | 22735714 |
| 509842 | Jun 6, 2001 | Jun 6, 2001 | Devon SFS Operating, Inc. | Texaco "25" #4 | 8,300 | 22735719 |
| 508655 | Jun 6, 2001 | Jun 6, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #12 | 3,295 | 22730366 |
| 509412 | Jun 4, 2001 | Jun 4, 2001 | Parallel Petroleum Corporation | Schuelke "28" #1 | 9,100 | 22734802 |
| 507450 | May 29, 2001 | May 29, 2001 | Westport Oil and Gas Company Inc | Kloh #34 | 2,700 | 22735699 |
| 507449 | May 29, 2001 | May 29, 2001 | Westport Oil and Gas Company Inc | Kloh #35 | 2,700 | 22735698 |
| 507447 | May 29, 2001 | May 29, 2001 | Westport Oil and Gas Company Inc | Kloh #38 | 2,700 | 22735696 |
| 507445 | May 29, 2001 | May 29, 2001 | Westport Oil and Gas Company Inc | Kloh #40 | 2,700 | 22735694 |
| 508988 | May 22, 2001 | May 22, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #13 | 3,800 | 22733267 |
| 508987 | May 22, 2001 | May 22, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #1315 | 3,800 | 22735070 |
| 509086 | May 17, 2001 | May 17, 2001 | Partee Drilling Inc. | Twins #346 | 8,200 | 22735713 |
| 508982 | May 17, 2001 | May 17, 2001 | Devon SFS Operating, Inc. | Allday N11 #4 | 8,300 | 22735712 |
| 508658 | May 8, 2001 | May 8, 2001 | Partee Drilling Inc. | Twins #345 | 8,200 | 22735711 |
| 508599 | May 7, 2001 | May 7, 2001 | Anadarko Petroleum Corp. | Snyder, B. S. 'C' #2848W | 3,900 | 22735710 |
| 508598 | May 7, 2001 | May 7, 2001 | Anadarko Petroleum Corp. | Snyder, B. S. 'C' #2816W | 3,900 | 22735709 |
| 508287 | May 2, 2001 | May 2, 2001 | Devon SFS Operating, Inc. | Choate "16" #4 | 8,300 | 22735706 |
| 508381 | May 1, 2001 | May 1, 2001 | Partee Drilling Inc. | Twins #342 | 8,200 | 22735708 |
| 508325 | Apr 30, 2001 | Apr 30, 2001 | Partee Drilling Inc. | Twins #343 | 8,200 | 22735707 |
| 508288 | Apr 30, 2001 | Apr 30, 2001 | Devon SFS Operating, Inc. | Bond "21" #5 | 8,300 | 22735705 |
| 507452 | Apr 23, 2001 | Apr 23, 2001 | Westport Oil and Gas Company Inc | Kloh #33 | 2,700 | 22735700 |
| 507448 | Apr 23, 2001 | Apr 23, 2001 | Westport Oil and Gas Company Inc | Kloh #36 | 2,700 | 22735697 |
| 507446 | Apr 23, 2001 | Apr 23, 2001 | Westport Oil and Gas Company Inc | Kloh #39 | 2,700 | 22735695 |
| 507446Amendment | Apr 23, 2001 | Apr 23, 2001 | Westport Oil and Gas Company, LP | Kloh #39 | 2,700 | 22735695 |
| 507975 | Apr 20, 2001 | Apr 20, 2001 | Nes Permian Basin, L.P. | Big Spring Brine Station #7 D | 3,320 | 22737074 |
| 507687 | Apr 11, 2001 | Apr 11, 2001 | Devon SFS Operating, Inc. | Powell Ranch "18" #1 | 8,300 | 22735703 |
| 507686 | Apr 11, 2001 | Apr 11, 2001 | Trilogy Operating, Inc. | Koger #1 | 9,800 | 22735702 |
| 507686Amendment | Apr 11, 2001 | Apr 11, 2001 | Trilogy Operating, Inc. | Koger #1 | 9,800 | 22735702 |
| 507103 | Apr 10, 2001 | Apr 10, 2001 | Westport Oil and Gas Company Inc | Chalk, Otis #1419 | 3,400 | 22735679 |
| 507102 | Apr 10, 2001 | Apr 10, 2001 | Westport Oil and Gas Company Inc | Chalk Otis #1418 | 3,400 | 22735678 |
| 507531 | Apr 6, 2001 | Apr 6, 2001 | MDC Operating, Inc. | Hope #1 | 4,900 | 22735701 |
| 507342 | Apr 5, 2001 | Apr 5, 2001 | Finley Resources, Inc. | Ancient Seas #1 | 8,500 | 22735693 |
| 498940Amendment | Apr 5, 2001 | Apr 5, 2001 | Atropos Production Corporation | Guthrie 93 #2 | 8,100 | 22735585 |
| 507317 | Apr 4, 2001 | Apr 4, 2001 | Southwest Royalties, Inc. | Powell 26 #3 | 7,900 | 22735692 |
| 507316 | Apr 4, 2001 | Apr 4, 2001 | Southwest Royalties, Inc. | Powell 24 #3 | 7,900 | 22735691 |
| 507042 | Apr 4, 2001 | Apr 4, 2001 | Westport Oil and Gas Company Inc | Kloh #46W | 2,700 | 22735689 |
| 507042Amendment | Apr 4, 2001 | Apr 4, 2001 | Westport Oil and Gas Company Inc | Kloh #46W | 2,700 | 22735689 |
| 507041 | Apr 4, 2001 | Apr 4, 2001 | Westport Oil and Gas Company Inc | Kloh #47W | 2,700 | 22735688 |
| 507040 | Apr 4, 2001 | Apr 4, 2001 | Westport Oil and Gas Company Inc | Kloh #48W | 2,700 | 22735687 |
| 507040Amendment | Apr 4, 2001 | Apr 4, 2001 | Westport Oil and Gas Company Inc | Kloh #48 | 2,700 | 22735687 |
| 507315 | Apr 3, 2001 | Apr 3, 2001 | Southwest Royalties, Inc. | Texaco 23 #3 | 7,900 | 22735690 |
| 507315Amendment | Apr 3, 2001 | Apr 3, 2001 | Southwest Royalties, Inc. | Texaco 23 #3 | 8,100 | 22735690 |
| 507047 | Apr 3, 2001 | Apr 3, 2001 | Westport Oil and Gas Company Inc | Kloh #41W | 2,700 | 22735685 |