| 520763Amendment | Jun 10, 2002 | Jun 10, 2002 | Range Production Company | West Fuhrman-Mascho Unit #188W00338981 | 4,900 |
| 520762 | Jun 10, 2002 | Jun 10, 2002 | Range Production Company | West Fuhrman-Mascho Unit #187W00338980 | 4,900 |
| 520762Amendment | Jun 10, 2002 | Jun 10, 2002 | Range Production Company | West Fuhrman-Mascho Unit #187W00338980 | 4,900 |
| 520761 | Jun 10, 2002 | Jun 10, 2002 | Range Production Company | West Fuhrman-Mascho Unit #11700338979 | 4,900 |
| 520758 | Jun 10, 2002 | Jun 10, 2002 | Range Production Company | Northeast Fuhrman-Mascho Unit #17200338977 | 4,900 |
| 519901 | Jun 6, 2002 | Jun 6, 2002 | Satanta Oil Company | University 32A #100304999 | 6,400 |
| 520636 | Jun 5, 2002 | Jun 5, 2002 | Range Production Company | Northeast Fuhrman-Mascho Unit #17000338976 | 4,900 |
| 520618 | Jun 5, 2002 | Jun 5, 2002 | Range Production Company | West Fuhrman-Mascho Unit #11600338975 | 4,900 |
| 520433 | May 30, 2002 | May 30, 2002 | Pure Resources, L.P. | Dollarhide Unit #411C00332667 | 7,555 |
| 520345 | May 24, 2002 | May 24, 2002 | BP America Production Company | Univ. -11- Sec. -1- #1A00300433 | 9,060 |
| 520293 | May 24, 2002 | May 24, 2002 | Westport Oil and Gas Company, LP | Shafter Lake San Andres Unit #52200338974 | 5,000 |
| 520290 | May 24, 2002 | May 24, 2002 | Westport Oil and Gas Company, LP | Shafter Lake San Andres Unit #51300338973 | 5,000 |
| 520279 | May 24, 2002 | May 24, 2002 | Westport Oil and Gas Company, LP | Shafter Lake San Andres Unit #51200338972 | 5,000 |
| 520278 | May 24, 2002 | May 24, 2002 | Westport Oil and Gas Company, LP | Shafter Lake San Andres Unit #50900338971 | 5,000 |
| 520175 | May 23, 2002 | May 23, 2002 | Verdad Oil & Gas Corporation | Bourg #100338209 | 8,306 |
| 519912 | May 22, 2002 | May 22, 2002 | Range Production Company | West Fuhrman-Mascho Unit #3000301359 | 4,600 |
| 519911 | May 22, 2002 | May 22, 2002 | Range Production Company | West Fuhrman-Mascho Unit #2900384361 | 4,578 |
| 520123 | May 21, 2002 | May 21, 2002 | Fasken Oil and Ranch, Ltd. | Fee "J" #1200338970 | 5,100 |
| 520121 | May 20, 2002 | May 20, 2002 | Fasken Oil and Ranch, Ltd. | Pan AM #1100338969 | 5,100 |
| 519926 | May 20, 2002 | May 20, 2002 | Platinum Exploration Inc. | Long, Annie #3D00304440 | 14,000 |
| 520108 | May 17, 2002 | May 17, 2002 | Westport Oil and Gas Company, LP | Shafter Lake/San Andres/Unit #508R00338968 | 5,000 |
| 520004 | May 15, 2002 | May 15, 2002 | XTO Energy Inc. | State University -At- #8HH00338691 | 11,400 |
| 520004Amendment | May 15, 2002 | May 15, 2002 | XTO Energy Inc. | State University -At- #8HH00338691 | 11,400 |
| 519695 | May 6, 2002 | May 6, 2002 | Fasken Oil and Ranch, Ltd. | Fee "Y" #2200338965 | 5,000 |
| 519667 | May 3, 2002 | May 3, 2002 | Exxon Mobil Corporation | Parker, J. E. #13800338964 | 7,500 |
| 519618 | May 2, 2002 | May 2, 2002 | XTO Energy Inc. | State of Texas BH #7HH00338659 | 11,700 |
| 519617 | May 2, 2002 | May 2, 2002 | XTO Energy Inc. | University "9" -A- #6HH00338582 | 11,600 |
| 519616 | May 2, 2002 | May 2, 2002 | XTO Energy Inc. | University 9 Cec #1100338963 | 10,800 |
| 519615 | May 2, 2002 | May 2, 2002 | XTO Energy Inc. | University Block 9/Wolfcamp/Unit #4NHH00305634 | 9,850 |
| 519615Amendment | May 2, 2002 | May 2, 2002 | XTO Energy Inc. | University Block 9/Wolfcamp/Unit #4NHH00305634 | 9,850 |
| 519294 | Apr 23, 2002 | Apr 23, 2002 | Westport Oil and Gas Company, LP | Shafter Lake/San Andres/Unit #52100338962 | 5,000 |
| 519331 | Apr 22, 2002 | Apr 22, 2002 | Triumph Exploration, Inc. | Clampett, Jed #900338961 | 4,900 |
| 519285 | Apr 22, 2002 | Apr 22, 2002 | Encore Operating, L.P. | Ford, W. T. -B- #1200336163 | 9,360 |
| 519283 | Apr 22, 2002 | Apr 22, 2002 | Encore Operating, L.P. | Ford, W. T. #7600336681 | 9,446 |
| 519122 | Apr 19, 2002 | Apr 19, 2002 | Minihan Oil & Gas Corporation | University Consolidated V #1400334323 | 7,175 |
| 519121 | Apr 19, 2002 | Apr 19, 2002 | Minihan Oil & Gas Corporation | University Consolidated IV #2600334353 | 7,182 |
| 519072 | Apr 17, 2002 | Apr 17, 2002 | Fasken Oil and Ranch, Ltd. | Fee "J" #700301252 | 4,926 |
| 519071 | Apr 17, 2002 | Apr 17, 2002 | Fasken Oil and Ranch, Ltd. | Fee "ZB" #500333151 | 8,800 |
| 518876 | Apr 8, 2002 | Apr 8, 2002 | Occidental Permian Ltd. | Midland Farms Deep Unit #7700333631 | 8,280 |
| 518432 | Mar 22, 2002 | Mar 22, 2002 | Triumph Exploration, Inc. | Clampett, Jed "F" #200338960 | 4,900 |
| 518431 | Mar 22, 2002 | Mar 22, 2002 | Triumph Exploration, Inc. | Clampett, Jed "A" #500338959 | 4,900 |
| 518430 | Mar 22, 2002 | Mar 22, 2002 | Triumph Exploration, Inc. | Clampett, Jed #800338958 | 4,900 |
| 517399 | Mar 18, 2002 | Mar 18, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #682000338957 | 5,500 |
| 517398 | Mar 18, 2002 | Mar 18, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #682200338956 | 5,500 |
| 518206 | Mar 12, 2002 | Mar 12, 2002 | Henry Petroleum LP | University "C" #1B00301301 | 11,698 |
| 518160 | Mar 8, 2002 | Mar 8, 2002 | XTO Energy Inc. | State University BA #700338272 | 4,627 |
| 517925 | Feb 27, 2002 | Feb 27, 2002 | Encore Operating, L.P. | Ford, W. T. #1800301349 | 6,000 |
| 517924 | Feb 27, 2002 | Feb 27, 2002 | Encore Operating, L.P. | Ford, W. T. #1500301346 | 6,000 |
| 517505 | Feb 19, 2002 | Feb 19, 2002 | Satanta Oil Company | University 19 #100301439 | 6,000 |
| 516473 | Feb 15, 2002 | Feb 15, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #650400338948 | 5,500 |
| 516465 | Feb 15, 2002 | Feb 15, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #710200338946 | 5,500 |
| 516240 | Feb 15, 2002 | Feb 15, 2002 | Arco Permian | Univeristy 11 Sec. 2 #E 1800338943 | 8,900 |
| 516219 | Feb 15, 2002 | Feb 15, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #640400338934 | 5,500 |
| 516881 | Feb 13, 2002 | Feb 13, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #730200338955 | 5,500 |
| 516880 | Feb 13, 2002 | Feb 13, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #750200338954 | 5,500 |
| 516880Amendment | Feb 13, 2002 | Feb 13, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #750200338954 | 5,500 |
| 516879 | Feb 13, 2002 | Feb 13, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #740200338953 | 5,500 |
| 516220 | Feb 5, 2002 | Feb 5, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #561400338935 | 5,500 |
| 515991 | Feb 4, 2002 | Feb 4, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #715200338932 | 5,500 |
| 515992 | Jan 28, 2002 | Jan 28, 2002 | Exxon Mobil Corporation | Means/San Andres/Unit #725200338933 | 5,500 |
| 517073 | Jan 24, 2002 | Jan 24, 2002 | Pure Resources, L.P. | University "36" #100306527 | 12,636 |
| 516246 | Jan 22, 2002 | Jan 22, 2002 | Arco Permian | University 11 Sec. 2 #E 1900338936 | 8,900 |
| 516245 | Jan 18, 2002 | Jan 18, 2002 | Arco Permian | University 11 Sec. 11 -A- #900338937 | 8,900 |
| 516243 | Jan 18, 2002 | Jan 18, 2002 | Arco Permian | Univ. 11 Sec. 11 -F- #800338940 | 8,900 |
| 516242 | Jan 18, 2002 | Jan 18, 2002 | Arco Permian | Univ. 11 Sec. 11 -F- #700338939 | 8,900 |
| 516241 | Jan 18, 2002 | Jan 18, 2002 | Arco Permian | Univeristy 11 Sec. 11 #1000338938 | 8,900 |
| 516904 | Jan 17, 2002 | Jan 17, 2002 | Pure Resources, L.P. | University "36" #700306567 | 12,768 |
| 516822 | Jan 17, 2002 | Jan 17, 2002 | Seaboard Oil Company | Cothes #200338342 | 6,157 |
| 516681 | Jan 9, 2002 | Jan 9, 2002 | Pure Resources, L.P. | Dollarhide Unit #3510S00338952 | 9,050 |
| 516639 | Jan 8, 2002 | Jan 8, 2002 | Minihan Oil & Gas Corporation | University "I" #1200338951 | 11,200 |
| 516591 | Jan 7, 2002 | Jan 7, 2002 | Pure Resources, L.P. | Dollarhide Unit #353S00338950 | 9,000 |
| 516538 | Jan 7, 2002 | Jan 7, 2002 | Phillips Petroleum Company | Goldsmith Andector Unit #Q 100338949 | 6,550 |
| 513973 | Jan 2, 2002 | Jan 2, 2002 | Triumph Exploration, Inc. | Means, "B" #1L00301878 | 13,409 |
| 515762 | Dec 31, 2001 | Dec 31, 2001 | Arco Permian | Univ. -11- Sec. -1- #10C00338927 | 8,900 |
| 515761 | Dec 31, 2001 | Dec 31, 2001 | Arco Permian | Univ. -11- Sec. -1- #10B00338926 | 8,900 |
| 515760 | Dec 31, 2001 | Dec 31, 2001 | Arco Permian | Univ. -11- Sec. -1- #12C00338925 | 8,900 |
| 515759 | Dec 31, 2001 | Dec 31, 2001 | Arco Permian | Univ. -11- Sec. -12- #12A00338929 | 8,900 |
| 515758 | Dec 31, 2001 | Dec 31, 2001 | Arco Permian | Univ. 11 Sec. 13 #10B00338930 | 8,900 |
| 516466 | Dec 27, 2001 | Dec 27, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #1472A00338947 | 5,500 |
| 516415 | Dec 27, 2001 | Dec 27, 2001 | Occidental Permian Ltd. | Midland Farms Unit #724H00338945 | 4,900 |
| 516386 | Dec 21, 2001 | Dec 21, 2001 | Bass Enterprises Production Co. | University 38 #100338944 | 13,000 |
| 515150 | Dec 21, 2001 | Dec 21, 2001 | Arco Permian | Univ. -11- Sec. -1- #16A00338914 | 8,900 |
| 516248 | Dec 20, 2001 | Dec 20, 2001 | Arco Permian | University 11 Sec. 2 #E 1700338942 | 8,900 |
| 516244 | Dec 19, 2001 | Dec 19, 2001 | Arco Permian | Univ. 11 Sec. 11 -G- #300338941 | 8,900 |
| 514526 | Dec 12, 2001 | Dec 12, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #850400338896 | 5,500 |
| 515986 | Dec 10, 2001 | Dec 10, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #725400338931 | 5,500 |
| 515895 | Dec 6, 2001 | Dec 6, 2001 | Aratex Production Company | Fuhrman Mascho Devonian Oil Unit #100302601 | 8,473 |
| 515788 | Dec 6, 2001 | Dec 6, 2001 | Exxon Mobil Corporation | Means-Queen No. 1 Oil Unit #201900302402 | 4,130 |
| 515764 | Dec 6, 2001 | Dec 6, 2001 | Arco Permian | Univ. -11- Sec. -1- #17D00338928 | 8,900 |
| 514085 | Dec 6, 2001 | Dec 6, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #365600338893 | 5,500 |
| 515156 | Dec 5, 2001 | Dec 5, 2001 | Arco Permian | Univ. -11- Sec. -1- #11C00338912 | 8,900 |
| 515155 | Dec 5, 2001 | Dec 5, 2001 | Arco Permian | Univ. -11- Sec. -1- #9B00338913 | 8,900 |
| 515747 | Dec 3, 2001 | Dec 3, 2001 | Occidental Permian Ltd. | Midland Farms Unit #549H00332497 | 4,900 |
| 514913 | Nov 30, 2001 | Nov 30, 2001 | Kinney Incorporated | Deford, R. K. #100339229 | 2,400 |
| 515629 | Nov 27, 2001 | Nov 27, 2001 | Rust Oil Corp. | Texaco University "10" #600338920 | 4,750 |
| 515536 | Nov 26, 2001 | Nov 26, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #7304W00338921 | 5,500 |
| 515535 | Nov 26, 2001 | Nov 26, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #7204W00338922 | 5,500 |
| 515534 | Nov 26, 2001 | Nov 26, 2001 | Exxon Mobil Corporation | Means/San Andres/Unit #7202W00338923 | 5,500 |
| 515478 | Nov 19, 2001 | Nov 19, 2001 | Wilbanks, Bruce A. Company | Evans, Rube #1H00311062 | 9,600 |
| 515476 | Nov 19, 2001 | Nov 19, 2001 | Occidental Permian Ltd. | Midland Farms Unit #709H00336960 | 4,900 |