| 486440 | Aug 5, 1999 | Aug 5, 1999 | Michael Petroleum Corporation | Bruni-Summers #16 | 11,500 | 47937314 |
| 486343 | Aug 4, 1999 | Aug 4, 1999 | Killam Oil Co., Ltd. | Volpe Lincoln 2006 #1 | 7,500 | 47937313 |
| 486096 | Jul 23, 1999 | Jul 23, 1999 | Conoco Inc. | Bruni Ranch #48 | 10,500 | 47937312 |
| 486062 | Jul 23, 1999 | Jul 23, 1999 | Kerns O & G, Inc. | Petty Ranch #1218 | 5,500 | 47937311 |
| 486062Amendment | Jul 23, 1999 | Jul 23, 1999 | Kerns O & G, Inc. | Petty Ranch #1218 | 5,500 | 47937311 |
| 485972 | Jul 20, 1999 | Jul 20, 1999 | Kerns O & G, Inc. | Gates Ranch #8035 | 5,860 | 47936946 |
| 485961 | Jul 19, 1999 | Jul 19, 1999 | Conoco Inc. | Lundell #88 | 10,750 | 47937310 |
| 485960 | Jul 19, 1999 | Jul 19, 1999 | Conoco Inc. | Carr #125 | 11,000 | 47937309 |
| 485821 | Jul 13, 1999 | Jul 13, 1999 | Conoco Inc. | Vaquillas Ranch #182 | 12,700 | 47937308 |
| 485819 | Jul 13, 1999 | Jul 13, 1999 | Conoco Inc. | McLean, Marrs #4 | 12,700 | 47937307 |
| 485761 | Jul 9, 1999 | Jul 9, 1999 | Geonatural Resources, Inc. | Ortiz Ranch #5 | 7,500 | 47937306 |
| 485759 | Jul 9, 1999 | Jul 9, 1999 | Columbus Energy Corp. | Hachar, D. D. #35 | 7,000 | 47937305 |
| 485725 | Jul 8, 1999 | Jul 8, 1999 | Enron Oil & Gas Company | Jaral #1 | 13,500 | 47937304 |
| 485717 | Jul 8, 1999 | Jul 8, 1999 | Mobil Producing TX. & N.M. Inc. | Callaghan Ranch #12 | 7,059 | 47934156 |
| 485710 | Jul 8, 1999 | Jul 8, 1999 | High Island Oil Corporation | Palafox Exploration #640 | 6,900 | 47937303 |
| 485696 | Jul 7, 1999 | Jul 7, 1999 | Michael Petroleum Corporation | Rottersman #33 | 10,500 | 47937302 |
| 485627 | Jul 2, 1999 | Jul 2, 1999 | Conoco Inc. | Benavides, Rosa V. B #76 | 9,500 | 47937301 |
| 485602 | Jul 1, 1999 | Jul 1, 1999 | High Island Oil Corporation | Palafox Exploration #540 | 6,900 | 47937300 |
| 485595 | Jul 1, 1999 | Jul 1, 1999 | Geonatural Resources, Inc. | Ortiz Ranch #4 | 7,500 | 47937299 |
| 485579 | Jul 1, 1999 | Jul 1, 1999 | Dynamic Production, Inc. | McNary-Warrior #1ST | 7,200 | 47933105 |
| 485537 | Jun 29, 1999 | Jun 29, 1999 | Conoco Inc. | Vaquillas Ranch Co. Ltd #57 | 9,970 | 47937298 |
| 485534 | Jun 29, 1999 | Jun 29, 1999 | Conoco Inc. | Cooper, Taliaferro et Al #1 | 12,700 | 47937297 |
| 485534Amendment | Jun 29, 1999 | Jun 29, 1999 | Conoco Inc. | Cooper, Taliaferro et Al #1 | 12,700 | 47937297 |
| 485426 | Jun 24, 1999 | Jun 24, 1999 | Conoco Inc. | Carr #126 | 10,500 | 47937296 |
| 485425 | Jun 24, 1999 | Jun 24, 1999 | Conoco Inc. | Carr #127 | 10,500 | 47937295 |
| 485424 | Jun 24, 1999 | Jun 24, 1999 | Conoco Inc. | Vaquillas Ranch L6 #181 | 9,600 | 47937294 |
| 485373 | Jun 22, 1999 | Jun 22, 1999 | Michael Petroleum Corporation | G. & F. Ramirez Gas Unit #5 | 11,000 | 47937293 |
| 485373Amendment | Jun 22, 1999 | Jun 22, 1999 | Michael Petroleum Corporation | G. & F. Ramirez Gas Unit #5 | 11,000 | 47937293 |
| 485334 | Jun 21, 1999 | Jun 21, 1999 | High Island Oil Corporation | Palafox Exploration #342 | 6,900 | 47937292 |
| 485334Amendment | Jun 21, 1999 | Jun 21, 1999 | High Island Oil Corporation | Palafox Exploration #342 | 6,900 | 47937292 |
| 485328 | Jun 18, 1999 | Jun 18, 1999 | Eex Corporation | Vergara 1679-W #5ST | 10,200 | 47934163 |
| 485328Amendment | Jun 18, 1999 | Jun 18, 1999 | Eex Corporation | Vergara 1679-W #5ST | 10,500 | 47934163 |
| 485325 | Jun 18, 1999 | Jun 18, 1999 | Eex Corporation | Alley #8ST | 10,571 | 47934142 |
| 485324 | Jun 18, 1999 | Jun 18, 1999 | Eex Corporation | Vergara 1680 #9ST | 10,980 | 47935948 |
| 485269 | Jun 18, 1999 | Jun 18, 1999 | Kerns O & G, Inc. | Petty Ranch #705 | 5,900 | 47937291 |
| 485277 | Jun 17, 1999 | Jun 17, 1999 | Columbus Energy Corp. | B.M.T. #13 | 7,600 | 47937290 |
| 485234 | Jun 16, 1999 | Jun 16, 1999 | Sonat Exploration Co. - Houston | Vaquillas Ranch 67 #5 | 8,600 | 47937289 |
| 484775 | Jun 16, 1999 | Jun 16, 1999 | Duke Energy Field Services, Inc. | Cathodic-Defs #41 | 300 | 47937283 |
| 485097 | Jun 10, 1999 | Jun 10, 1999 | Dynamic Production, Inc. | McNary-Wright Unit #1 | 7,000 | 47937288 |
| 485083 | Jun 9, 1999 | Jun 9, 1999 | Conoco Inc. | Vaquillas Ranch A1 #180 | 12,000 | 47937287 |
| 485082 | Jun 9, 1999 | Jun 9, 1999 | Conoco Inc. | Lundell #87 | 10,700 | 47937285 |
| 485081 | Jun 9, 1999 | Jun 9, 1999 | Conoco Inc. | Frost Trust 45 #1 | 10,820 | 47937286 |
| 485080 | Jun 9, 1999 | Jun 9, 1999 | Conoco Inc. | 7B Cattle Co. #5 | 13,100 | 47937284 |
| 484964 | Jun 3, 1999 | Jun 3, 1999 | Michael Petroleum Corporation | Rottersman #23 | 11,300 | 47937282 |
| 484960 | Jun 3, 1999 | Jun 3, 1999 | Conoco Inc. | Vaquillas Ranch State F #179 | 9,500 | 47937281 |
| 484413Amendment | Jun 2, 1999 | Jun 2, 1999 | Grimes Energy Company | Longoria #1 | 11,000 | 47937269 |
| 484767 | May 27, 1999 | May 27, 1999 | Fasken Oil and Ranch, Ltd. | Palafox Exploration Co. -17- #6 | 6,000 | 47937279 |
| 484800 | May 26, 1999 | May 26, 1999 | Geonatural Resources, Inc. | Ortiz Ranch #3 | 7,500 | 47937280 |
| 484710 | May 21, 1999 | May 21, 1999 | Conoco Inc. | Dix Ranch D 99 #7 | 8,500 | 47937278 |
| 484660 | May 20, 1999 | May 20, 1999 | Mobil Producing TX. & N.M. Inc. | Callaghan Ranch #28 | 5,510 | 47930919 |
| 484504 | May 19, 1999 | May 19, 1999 | Fasken Oil and Ranch, Ltd. | Palafox Exploration Co. -22- #4 | 6,000 | 47937273 |
| 484491 | May 19, 1999 | May 19, 1999 | Collins & Ware, Inc. | Dcrc "3E" #15 | 5,937 | 47936037 |
| 484565 | May 18, 1999 | May 18, 1999 | Kerns O & G, Inc. | Petty Ranch #301 | 5,500 | 47937277 |
| 484565Amendment | May 18, 1999 | May 18, 1999 | Kerns O & G, Inc. | Petty Ranch #301 | 5,500 | 47937277 |
| 484588 | May 17, 1999 | May 17, 1999 | Conoco Inc. | 7B Cattle Company E #1 | 13,200 | 47937275 |
| 484587 | May 17, 1999 | May 17, 1999 | Conoco Inc. | Wilson, Abe S. #1 | 13,300 | 47937276 |
| 484587Amendment | May 17, 1999 | May 17, 1999 | Conoco Inc. | Wilson, Abe S. #1 | 13,300 | 47937276 |
| 484443 | May 17, 1999 | May 17, 1999 | Kerns O & G, Inc. | Gates Ranch #2994 | 5,800 | 47937274 |
| 484443Amendment | May 17, 1999 | May 17, 1999 | Kerns O & G, Inc. | Gates Ranch #2994 | 6,100 | 47937274 |
| 484443Amendment | May 17, 1999 | May 17, 1999 | Kerns O & G, Inc. | Gates Ranch #2994 | 6,100 | 47937274 |
| 484479 | May 12, 1999 | May 12, 1999 | Michael Petroleum Corporation | Rottersman #20 | 10,500 | 47937272 |
| 484477 | May 12, 1999 | May 12, 1999 | Mobil Producing TX. & N.M. Inc. | Callaghan Ranch #43 | 5,520 | 47931181 |
| 484415 | May 11, 1999 | May 11, 1999 | Fasken Oil and Ranch, Ltd. | Palafox Exploration Co. -17- #5 | 6,000 | 47937270 |
| 484413 | May 11, 1999 | May 11, 1999 | Grimes Energy Company | Longoria #1 | 11,000 | 47937269 |
| 484432 | May 10, 1999 | May 10, 1999 | Cody Energy LLC | Benavides, Rosa V. "C' #8 | 9,600 | 47937271 |
| 484390 | May 7, 1999 | May 7, 1999 | Conoco Inc. | Villarreal State a 768 #1 | 13,100 | 47937265 |
| 484388 | May 7, 1999 | May 7, 1999 | Conoco Inc. | Villarreal F #4 | 13,100 | 47937268 |
| 484387 | May 7, 1999 | May 7, 1999 | Conoco Inc. | Villarreal State 272 #2 | 13,100 | 47937267 |
| 484387Amendment | May 7, 1999 | May 7, 1999 | Conoco Inc. | Villarreal State 272 #2 | 13,100 | 47937267 |
| 484385 | May 7, 1999 | May 7, 1999 | Conoco Inc. | Villarreal State 272 #3 | 13,100 | 47937266 |
| 484320 | May 5, 1999 | May 5, 1999 | Conoco Inc. | Carr #124 | 10,400 | 47937264 |
| 484060 | May 4, 1999 | May 4, 1999 | Chevron U. S. A. Inc. | Bruni Mineral Trust #B 31 | 10,100 | 47937258 |
| 484233 | Apr 30, 1999 | Apr 30, 1999 | Conoco Inc. | Villarreal, J. M. State #1 | 12,200 | 47937262 |
| 484232 | Apr 30, 1999 | Apr 30, 1999 | Conoco Inc. | Vergara, L. B. State #1 | 11,600 | 47937263 |
| 484215 | Apr 29, 1999 | Apr 29, 1999 | Conoco Inc. | Lundell #86 | 10,700 | 47937261 |
| 484094 | Apr 26, 1999 | Apr 26, 1999 | Conoco Inc. | Tex-Mex RR Co. 599 #1 | 11,100 | 47937260 |
| 484091 | Apr 26, 1999 | Apr 26, 1999 | High Island Oil Corporation | Palafox Exploration #4040 | 6,900 | 47937259 |
| 484069 | Apr 26, 1999 | Apr 26, 1999 | Kerns O & G, Inc. | Petty Ranch #A 3 | 5,750 | 47905011 |
| 483950 | Apr 23, 1999 | Apr 23, 1999 | Kenne Exploration, Inc. | Aviators #1 | 9,260 | 47933302 |
| 483993 | Apr 21, 1999 | Apr 21, 1999 | Lewis Petro Properties, Inc. | Erf 2182 #4 | 6,500 | 47937257 |
| 483993Amendment | Apr 21, 1999 | Apr 21, 1999 | Lewis Petro Properties, Inc. | Erf 2182 #4 | 6,500 | 47937257 |
| 483992 | Apr 21, 1999 | Apr 21, 1999 | Lewis Petro Properties, Inc. | Erf 2182 #3 | 6,500 | 47937256 |
| 483992Amendment | Apr 21, 1999 | Apr 21, 1999 | Lewis Petro Properties, Inc. | Erf 2182 #3 | 6,500 | 47937256 |
| 483992Amendment | Apr 21, 1999 | Apr 21, 1999 | Lewis Petro Properties, Inc. | Erf 2182 #3 | 6,500 | 47937256 |
| 483992Amendment | Apr 21, 1999 | Apr 21, 1999 | Lewis Petro Properties, Inc. | Erf 2182 #3 | 6,500 | 47937256 |
| 483956 | Apr 19, 1999 | Apr 19, 1999 | Conoco Inc. | Vaquillas Ranch Co. Ltd #56 | 10,700 | 47937255 |
| 483822 | Apr 13, 1999 | Apr 13, 1999 | Geonatural Resources, Inc. | Ortiz Ranch #2 | 7,500 | 47937254 |
| 483814 | Apr 12, 1999 | Apr 12, 1999 | High Island Oil Corporation | Palafox Exploration #3040 | 6,900 | 47937253 |
| 483814Amendment | Apr 12, 1999 | Apr 12, 1999 | High Island Oil Corporation | Palafox Exploration #3040 | 6,900 | 47937253 |
| 483629 | Mar 31, 1999 | Mar 31, 1999 | High Island Oil Corporation | Palafox Exploration #242 | 6,900 | 47937252 |
| 483594 | Mar 31, 1999 | Mar 31, 1999 | Kerns O & G, Inc. | Petty Ranch #1118 | 5,500 | 47937251 |
| 483606 | Mar 30, 1999 | Mar 30, 1999 | Michael Petroleum Corporation | Rottersman #29 | 11,500 | 47937250 |
| 483605 | Mar 30, 1999 | Mar 30, 1999 | Enron Oil & Gas Company | Rottersman #8 | 10,850 | 47937249 |
| 483467 | Mar 24, 1999 | Mar 24, 1999 | Conoco Inc. | Benavides, Rosa V. B #75 | 9,700 | 47937248 |
| 483418 | Mar 24, 1999 | Mar 24, 1999 | Kerns O & G, Inc. | Petty Ranch #1017 | 5,300 | 47937247 |
| 483359 | Mar 22, 1999 | Mar 22, 1999 | Killam Oil Co., Ltd. | Bruni Minerals "D" Lease #5 | 10,300 | 47937246 |
| 483262 | Mar 12, 1999 | Mar 12, 1999 | Conoco Inc. | Lundell #85 | 10,800 | 47937245 |
| 483238 | Mar 11, 1999 | Mar 11, 1999 | Michael Petroleum Corporation | Rottersman #31 | 11,500 | 47937244 |
| 483116 | Mar 11, 1999 | Mar 11, 1999 | Collins & Ware, Inc. | D.C.R.C. 3B #23 | 2,950 | 47936357 |
| 483206 | Mar 10, 1999 | Mar 10, 1999 | Conoco Inc. | Rottersman A #5 | 10,400 | 47937243 |