| 485806 | Jul 13, 1999 | Jul 13, 1999 | Mewbourne Oil Co. | Garden City "5" #1 | 8,400 | 17332971 |
| 485492 | Jun 29, 1999 | Jun 29, 1999 | BTA Oil Producers | 9807 JV-P Flanagan "A" #1 | 8,100 | 17332970 |
| 485230 | Jun 15, 1999 | Jun 15, 1999 | Mewbourne Oil Company | Garden City '1' Unit #1 | 8,500 | 17332969 |
| 484861 | Jun 1, 1999 | Jun 1, 1999 | BTA Oil Producers | 9807 JV-P Flanagan #1 | 8,100 | 17332968 |
| 484373 | May 12, 1999 | May 12, 1999 | Concho Resources Inc. | Cox, C. J. "A" #5 | 8,650 | 17332359 |
| 484372 | May 12, 1999 | May 12, 1999 | Concho Resources Inc. | Hendrickson, Wrage #4 | 8,612 | 17300442 |
| 483684 | May 6, 1999 | May 6, 1999 | BTA Oil Producers | 8102 JV-P Glass "D" #18 | 8,000 | 17332963 |
| 484177 | Apr 28, 1999 | Apr 28, 1999 | BTA Oil Producers | Calverley "B" 8102 JV-P #9 | 8,300 | 17332967 |
| 484002 | Apr 23, 1999 | Apr 23, 1999 | Range Production Company | Powell "4" #1 | 8,500 | 17332966 |
| 484002Amendment | Apr 23, 1999 | Apr 23, 1999 | Range Production Company | Powell "4" #1 | 8,999 | 17332966 |
| 484002Amendment | Apr 23, 1999 | Apr 23, 1999 | Range Production Company | Powell "4" #1 | 8,999 | 17332966 |
| 484048 | Apr 22, 1999 | Apr 22, 1999 | Kindred Petroleum Company | Hoelscher, F. J. "B" #2 | 10,700 | 17331842 |
| 483941 | Apr 21, 1999 | Apr 21, 1999 | Range Production Company | Powell "2" #1 | 8,500 | 17332965 |
| 483846 | Apr 14, 1999 | Apr 14, 1999 | Range Production Company | Powell "16" #1 | 8,500 | 17332964 |
| 483562 | Mar 30, 1999 | Mar 30, 1999 | Stephens, Autry C. | Tex-Harvey Spraberry Unit #974 | 10,400 | 17300694 |
| 483200 | Mar 10, 1999 | Mar 10, 1999 | Mewbourne Oil Co. | Garden City "6" #1 | 8,300 | 17332747 |
| 482019 | Mar 3, 1999 | Mar 3, 1999 | BTA Oil Producers | 7904 JV-P Hillger 'D' #4 | 8,000 | 17332947 |
| 482805 | Feb 18, 1999 | Feb 18, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #454A | 8,600 | 17332962 |
| 482805Amendment | Feb 18, 1999 | Feb 18, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #454A | 8,600 | 17332962 |
| 482804 | Feb 18, 1999 | Feb 18, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #455A | 8,600 | 17332961 |
| 482803 | Feb 18, 1999 | Feb 18, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #447A | 8,600 | 17332960 |
| 482800 | Feb 18, 1999 | Feb 18, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1187A | 8,600 | 17332959 |
| 482794 | Feb 18, 1999 | Feb 18, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1481A | 8,600 | 17332958 |
| 482708 | Feb 18, 1999 | Feb 18, 1999 | Stephens, Autry C. | Hubbard "18" #1 | 11,000 | 17330891 |
| 482761 | Feb 17, 1999 | Feb 17, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #835A | 6,800 | 17332954 |
| 482761Amendment | Feb 17, 1999 | Feb 17, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #835A | 8,600 | 17332954 |
| 482760 | Feb 17, 1999 | Feb 17, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #609A | 6,800 | 17332957 |
| 482760Amendment | Feb 17, 1999 | Feb 17, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #609A | 8,600 | 17332957 |
| 482759 | Feb 17, 1999 | Feb 17, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #608A | 6,800 | 17332956 |
| 482759Amendment | Feb 17, 1999 | Feb 17, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #608A | 8,600 | 17332956 |
| 482758 | Feb 17, 1999 | Feb 17, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #409A | 8,600 | 17332955 |
| 482741 | Feb 16, 1999 | Feb 16, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #113A | 8,600 | 17332953 |
| 482739 | Feb 16, 1999 | Feb 16, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #199A | 8,600 | 17332952 |
| 482737 | Feb 16, 1999 | Feb 16, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #B40 A | 8,600 | 17332951 |
| 482736 | Feb 16, 1999 | Feb 16, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #A40 A | 8,600 | 17332950 |
| 482736Amendment | Feb 16, 1999 | Feb 16, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #A40 A | 8,600 | 17332950 |
| 482639 | Feb 10, 1999 | Feb 10, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #834A | 6,800 | 17332949 |
| 482639Amendment | Feb 10, 1999 | Feb 10, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #834A | 8,440 | 17332949 |
| 482120 | Jan 19, 1999 | Jan 19, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #B81 A | 8,600 | 17332948 |
| 481565 | Jan 19, 1999 | Jan 19, 1999 | Stephens, Autry C. | McDaniel Brothers "34" #2 | 10,700 | 17331488 |
| 480919 | Jan 19, 1999 | Jan 19, 1999 | Boyd, Foy Management Corp. | Glass '22' #1 | 9,932 | 17332764 |
| 480919Amendment | Jan 19, 1999 | Jan 19, 1999 | Dyad Petroleum Company | Glass "22" #1 | 9,932 | 17332764 |
| 481932 | Jan 7, 1999 | Jan 7, 1999 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1482A | 8,600 | 17332946 |
| 481564 | Dec 31, 1998 | Dec 31, 1998 | Stephens, Autry C. | McDaniel Brothers "34" #1 | 10,700 | 17331391 |
| 481803 | Dec 28, 1998 | Dec 28, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #566A | 8,600 | 17332945 |
| 481723 | Dec 28, 1998 | Dec 28, 1998 | Ammonite Energy Texas, Inc. | Foster, Amanda #1A | 12,500 | 17332944 |
| 481631 | Dec 21, 1998 | Dec 21, 1998 | Stephens, Autry C. | Thomason, W. A. #1 | 10,650 | 17331917 |
| 481609 | Dec 17, 1998 | Dec 17, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #398A | 8,600 | 17332942 |
| 481608 | Dec 17, 1998 | Dec 17, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1118A | 8,600 | 17332943 |
| 481520 | Dec 14, 1998 | Dec 14, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1128A | 8,600 | 17332938 |
| 481519 | Dec 14, 1998 | Dec 14, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1416A | 8,600 | 17332939 |
| 481518 | Dec 14, 1998 | Dec 14, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #828A | 6,800 | 17332940 |
| 481518Amendment | Dec 14, 1998 | Dec 14, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #828A | 8,600 | 17332940 |
| 481517 | Dec 14, 1998 | Dec 14, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #583A | 8,500 | 17332941 |
| 481471 | Dec 14, 1998 | Dec 14, 1998 | Energen Resources Corporation | Stanolind #2 | 8,670 | 17300939 |
| 481375 | Dec 9, 1998 | Dec 9, 1998 | Mewbourne Oil Co. | Garden City "6" #5 | 9,000 | 17332937 |
| 481238 | Dec 2, 1998 | Dec 2, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1407A | 8,600 | 17332936 |
| 481163 | Nov 25, 1998 | Nov 25, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1408A | 8,600 | 17332935 |
| 480992 | Nov 19, 1998 | Nov 19, 1998 | Ammonite Energy Texas, Inc. | Foster, Amanda #1 | 12,500 | 17332934 |
| 480420 | Nov 18, 1998 | Nov 18, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #243A | 8,410 | 17332916 |
| 480822 | Nov 12, 1998 | Nov 12, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #754A | 8,630 | 17332933 |
| 480715 | Nov 6, 1998 | Nov 6, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1131A | 8,330 | 17332931 |
| 480714 | Nov 6, 1998 | Nov 6, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1132A | 8,330 | 17332930 |
| 480712 | Nov 6, 1998 | Nov 6, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1152A | 8,300 | 17332929 |
| 480711 | Nov 6, 1998 | Nov 6, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #753A | 8,650 | 17332932 |
| 480711Amendment | Nov 6, 1998 | Nov 6, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #753A | 8,650 | 17332932 |
| 480659 | Nov 4, 1998 | Nov 4, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1092A | 8,500 | 17332928 |
| 480658 | Nov 4, 1998 | Nov 4, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1086A | 8,500 | 17332927 |
| 480578 | Nov 2, 1998 | Nov 2, 1998 | BTA Oil Producers | 8102 JV-P Glass 'B' #17 | 8,200 | 17332926 |
| 480586 | Oct 30, 1998 | Oct 30, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #752A | 8,650 | 17332925 |
| 480503 | Oct 29, 1998 | Oct 29, 1998 | BTA Oil Producers | 8102 JV-P Calverley -B- #8 | 8,300 | 17332924 |
| 480505 | Oct 28, 1998 | Oct 28, 1998 | Tmbr/Sharp Drilling, Inc. | Ray #1 | 9,700 | 17332477 |
| 480488 | Oct 27, 1998 | Oct 27, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #B142A | 8,310 | 17332923 |
| 480487 | Oct 27, 1998 | Oct 27, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #A142A | 8,300 | 17332922 |
| 480486 | Oct 27, 1998 | Oct 27, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #571A | 8,670 | 17332921 |
| 480486Amendment | Oct 27, 1998 | Oct 27, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #571A | 8,670 | 17332921 |
| 480460 | Oct 26, 1998 | Oct 26, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #161A | 8,500 | 17332920 |
| 480459 | Oct 26, 1998 | Oct 26, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #162A | 8,490 | 17332919 |
| 480458 | Oct 26, 1998 | Oct 26, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1144A | 8,320 | 17332918 |
| 480458Amendment | Oct 26, 1998 | Oct 26, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1144A | 8,320 | 17332918 |
| 480419 | Oct 23, 1998 | Oct 23, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1417A | 8,350 | 17332915 |
| 480418 | Oct 23, 1998 | Oct 23, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1418A | 8,330 | 17332917 |
| 480137 | Oct 15, 1998 | Oct 15, 1998 | Rangeland Petroleum Corporation | Western Cooper #3 | 8,500 | 17332914 |
| 480143 | Oct 13, 1998 | Oct 13, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #198A | 8,470 | 17332913 |
| 480143Amendment | Oct 13, 1998 | Oct 13, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #198A | 8,470 | 17332913 |
| 479444 | Oct 9, 1998 | Oct 9, 1998 | Odessa Exploration, Inc. | Woody, S. O. "A" #1 | 10,200 | 17332051 |
| 480029 | Oct 8, 1998 | Oct 8, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1428A | 8,290 | 17332912 |
| 480028 | Oct 8, 1998 | Oct 8, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #619A | 8,500 | 17332911 |
| 480027 | Oct 8, 1998 | Oct 8, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #884A | 8,350 | 17332910 |
| 480022 | Oct 8, 1998 | Oct 8, 1998 | BTA Oil Producers | 7904 JV-P Hillger "D" #3 | 8,000 | 17332909 |
| 479991 | Oct 7, 1998 | Oct 7, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #134A | 8,530 | 17332906 |
| 479990 | Oct 7, 1998 | Oct 7, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1429A | 8,320 | 17332907 |
| 479990Amendment | Oct 7, 1998 | Oct 7, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #1429A | 8,320 | 17332907 |
| 479989 | Oct 7, 1998 | Oct 7, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #133A | 8,550 | 17332908 |
| 479917 | Oct 7, 1998 | Oct 7, 1998 | Exxon Corp. | Hoelscher, Fred J. B #1 | 7,750 | 17331707 |
| 479926 | Oct 5, 1998 | Oct 5, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #582A | 8,600 | 17332905 |
| 479918 | Oct 5, 1998 | Oct 5, 1998 | Range Production Company | Cooper "35" #1 | 8,750 | 17332904 |
| 478875 | Oct 5, 1998 | Oct 5, 1998 | Arco Permian | Driver, J. W. -13- #6 | 9,500 | 17332897 |
| 479855 | Oct 1, 1998 | Oct 1, 1998 | Pioneer Natural Res. USA, Inc. | Spraberry Driver Unit #912A | 8,260 | 17332903 |
| 479626 | Sep 25, 1998 | Sep 25, 1998 | Range Production Company | Powell "11" #1 | 8,750 | 17332902 |