| 329698Amendment | Jun 3, 1987 | Jun 3, 1987 | Sun Expl. & Prod. Co.-Corpus | Hermann, A. G. Jr. Gas Unit #3 | 9,800 | 42732188 |
| 330915 | Jun 1, 1987 | Jun 1, 1987 | Sun Expl. & Prod. Co.-Corpus | Marrs-McLean #25 | 4,725 | 42731507 |
| 330627 | May 27, 1987 | May 27, 1987 | Cox Oil & Gas, Inc. | Slick Estate #1 | 12,000 | 42732195 |
| 330626 | May 27, 1987 | May 27, 1987 | Cox Oil & Gas, Inc. | Slick Estate #2 | 12,000 | 42732196 |
| 330594 | May 21, 1987 | May 21, 1987 | Sun Expl. & Prod. Co.-Corpus | Villarreal, G. G. -C- Unit 22 #1 | 6,005 | 42703700 |
| 330297 | May 18, 1987 | May 18, 1987 | Bse Production Co. | Heard #1 | 4,500 | 42732193 |
| 330297Amendment | May 18, 1987 | May 18, 1987 | Bse Production Co. | Heard #1 | 4,500 | 42732193 |
| 330346 | May 15, 1987 | May 15, 1987 | Sun Expl. & Prod. Co.-Corpus | Marrs-McLean #27 | 5,100 | 42732194 |
| 329085 | May 15, 1987 | May 15, 1987 | Sun Expl. & Prod. Co.-Corpus | Marrs-McLean #26 | 4,800 | 42732015 |
| 330160 | May 14, 1987 | May 14, 1987 | Exxon Corp. | McGill Bros. #530 | 8,450 | 42732192 |
| 330145 | May 14, 1987 | May 14, 1987 | Texaco Inc. | Bloomberg, S. D. #11 | 10,535 | 42731956 |
| 330145Amendment | May 14, 1987 | May 14, 1987 | Texaco Inc. | Bloomberg, S. D. #11 | 10,535 | 42731956 |
| 330231 | May 13, 1987 | May 13, 1987 | Sun Expl. & Prod. Co.-Corpus | Olivares, A. #11 | 4,942 | 42700708 |
| 329137 | May 11, 1987 | May 11, 1987 | J-O'B Operating Company | Nicolas #1 | 5,000 | 42732185 |
| 329960 | May 7, 1987 | May 7, 1987 | Sun Expl. & Prod. Co.-Corpus | La Brisa Gas Unit #3 #3 | 4,146 | 42703664 |
| 329959 | May 7, 1987 | May 7, 1987 | Sun Expl. & Prod. Co.-Corpus | La Brisa Gas Unit #3 #5 | 4,502 | 42703665 |
| 329871 | May 7, 1987 | May 7, 1987 | Sinclair Exp Co & Erwin Eng Corp | La Brisa Ranch #2 | 5,700 | 42732190 |
| 329808 | May 4, 1987 | May 4, 1987 | Sun Expl. & Prod. Co.-Corpus | Montalvo, I. V. -B- #14 | 5,900 | 42732189 |
| 329477 | Apr 29, 1987 | Apr 29, 1987 | Sun Expl. & Prod. Co.-Corpus | De Garza, H. L. #2 | 7,600 | 42731686 |
| 329397 | Apr 24, 1987 | Apr 24, 1987 | Sun Expl. & Prod. Co.-Corpus | Cardenas, R.R. #3 | 9,500 | 42732187 |
| 329307 | Apr 21, 1987 | Apr 21, 1987 | Harkins & Company | Bentsen & Whittington Gas Unit #1 | 9,500 | 42732186 |
| 329020 | Apr 14, 1987 | Apr 14, 1987 | Wright Brothers Energy, Inc. | Groos National Bank #8 | 5,600 | 42732184 |
| 328659 | Apr 8, 1987 | Apr 8, 1987 | Newman Brothers Drilling Company | Guerrero #1 | 5,100 | 42732183 |
| 327420 | Apr 7, 1987 | Apr 7, 1987 | Sun Expl. & Prod. Co.-Corpus | Guzman, C. L. #2 | 4,300 | 42731557 |
| 328454 | Apr 6, 1987 | Apr 6, 1987 | Mueller Engineering Corp. | Lehr #2 | 4,950 | 42732181 |
| 328624 | Apr 3, 1987 | Apr 3, 1987 | Sun Expl. & Prod. Co.-Corpus | Garcia L & L -B- #11 | 5,500 | 42732182 |
| 328402 | Apr 2, 1987 | Apr 2, 1987 | Mueller Engineering Corp. | Slick "A" #1 | 7,400 | 42732179 |
| 328482 | Mar 31, 1987 | Mar 31, 1987 | Mark IV Energy | Salinas, Dora M. #3 | 850 | 42732180 |
| 328429 | Mar 30, 1987 | Mar 30, 1987 | Harkins & Company | Texas Osage Gas Unit #2 | 10,000 | 42732178 |
| 328371 | Mar 30, 1987 | Mar 30, 1987 | Sun Expl. & Prod. Co.-Corpus | La Brisa Gas Unit #3 #5 | 4,502 | 42703665 |
| 328371Amendment | Mar 30, 1987 | Mar 30, 1987 | Sun Expl. & Prod. Co.-Corpus | La Brisa Gas Unit #3 #5 | 4,502 | 42703665 |
| 328370 | Mar 30, 1987 | Mar 30, 1987 | Sun Expl. & Prod. Co.-Corpus | Garcia, I. Y. #14 | 12,500 | 42732177 |
| 328288 | Mar 26, 1987 | Mar 26, 1987 | Sun Expl. & Prod. Co.-Corpus | La Brisa Gas Unit #3 #3 | 4,146 | 42703664 |
| 327851 | Mar 19, 1987 | Mar 19, 1987 | Exxon Corp. | McGill Bros. #283 | 6,110 | 42700244 |
| 327621 | Mar 16, 1987 | Mar 16, 1987 | Exxon Corp. | East, Alice K. Mrs. "B" #21 | 5,300 | 42731189 |
| 327485 | Mar 12, 1987 | Mar 12, 1987 | TXO Production Corp. | Contreras #2 | 7,012 | 42731156 |
| 327482 | Mar 10, 1987 | Mar 10, 1987 | Sun Expl. & Prod. Co.-Corpus | Frost Natl. Bank Ind. Ex. -B- #10 | 3,800 | 42704224 |
| 327432 | Mar 6, 1987 | Mar 6, 1987 | Sun Expl. & Prod. Co.-Corpus | De Garza, C.L. #35 | 7,550 | 42731697 |
| 327209 | Mar 4, 1987 | Mar 4, 1987 | Mark IV Energy | Salinas, Dora M. #2 | 1,800 | 42732176 |
| 326565 | Feb 26, 1987 | Feb 26, 1987 | Tenneco Oil Co. | Tenneco-Conoco Fee #2 | 11,300 | 42732170 |
| 326565Amendment | Feb 26, 1987 | Feb 26, 1987 | Tenneco Oil Co. | Tenneco-Conoco Fee #2 | 11,300 | 42732170 |
| 327060 | Feb 25, 1987 | Feb 25, 1987 | Mortimer Exploration Company | Block/Guerra #2 | 6,000 | 42732175 |
| 326755 | Feb 18, 1987 | Feb 18, 1987 | Agco Petroleum Company | Saenz, V. #1 | 6,000 | 42732172 |
| 326754 | Feb 18, 1987 | Feb 18, 1987 | Agco Petroleum Company | Davenport #11B | 5,200 | 42732174 |
| 326753 | Feb 18, 1987 | Feb 18, 1987 | Agco Petroleum Company | Coates-State #3A | 5,500 | 42732173 |
| 326662 | Feb 17, 1987 | Feb 17, 1987 | Mortimer Exploration Company | Ringgold Farms #2 | 5,978 | 42732171 |
| 326662Amendment | Feb 17, 1987 | Feb 17, 1987 | Mortimer Exploration Company | Ringgold Farms #2 | 5,978 | 42732171 |
| 326546 | Feb 17, 1987 | Feb 17, 1987 | Exxon Corp. | Juarez, E. #3 | 7,025 | 42700323 |
| 326526 | Feb 17, 1987 | Feb 17, 1987 | Sun Expl. & Prod. Co.-Corpus | Speer, Geo. H. -State -D- #2 | 10,103 | 42700740 |
| 326585 | Feb 13, 1987 | Feb 13, 1987 | Evans, Julian | Cameron #6 | 5,100 | 42732169 |
| 326393 | Feb 12, 1987 | Feb 12, 1987 | Cabot Petroleum Corporation | Villarreal #30 | 7,400 | 42700307 |
| 326447 | Feb 11, 1987 | Feb 11, 1987 | Sun Expl. & Prod. Co.-Corpus | De Garza, H. L. #2 | 7,600 | 42731686 |
| 326083 | Feb 9, 1987 | Feb 9, 1987 | Maddux, Elizabeth H. | El Negro Ranch #5 | 4,000 | 42732168 |
| 325832 | Feb 2, 1987 | Feb 2, 1987 | Osborn,w.b. Oil & Gas Operations | Cameron #1 | 6,000 | 42731864 |
| 325832Amendment | Feb 2, 1987 | Feb 2, 1987 | Osborn,w.b. Oil & Gas Operations | Cameron #1 | 6,000 | 42731864 |
| 325047 | Feb 2, 1987 | Feb 2, 1987 | Sun Expl. & Prod. Co.-Corpus | Solis, N./Oil Unit 6/ #2 | 4,300 | 42731344 |
| 325998 | Jan 30, 1987 | Jan 30, 1987 | San Patricio Corporation | Guerra Unit #1 | 6,900 | 42732167 |
| 323831 | Jan 30, 1987 | Jan 30, 1987 | Shell Western E&P Inc. | Judd Estate - State #7 | 9,190 | 42731321 |
| 325863 | Jan 29, 1987 | Jan 29, 1987 | Exxon Corp. | Montalvo, N. R. & E. A. #25 | 4,890 | 42730089 |
| 325700 | Jan 27, 1987 | Jan 27, 1987 | Sun Expl. & Prod. Co.-Corpus | Garcia, V. #1 | 3,868 | 42703695 |
| 325640 | Jan 22, 1987 | Jan 22, 1987 | Exxon Corp. | McGill Bros. #440 | 5,555 | 42730423 |
| 325513 | Jan 20, 1987 | Jan 20, 1987 | Sun Expl. & Prod. Co.-Corpus | De Garza, J. M. #12 | 7,700 | 42731957 |
| 324388 | Jan 20, 1987 | Jan 20, 1987 | Cabot Petroleum Corporation | Villarreal #27 | 7,090 | 42700407 |
| 325372 | Jan 15, 1987 | Jan 15, 1987 | Texaco Inc. | Bloomberg, S. D. #9 | 5,104 | 42730468 |
| 325372Amendment | Jan 15, 1987 | Jan 15, 1987 | Texaco Inc. | Bloomberg, S. D. #9 | 5,104 | 42730468 |
| 325340 | Jan 13, 1987 | Jan 13, 1987 | Sun Expl. & Prod. Co.-Corpus | Bentsen Bros. -A- #9 | 10,500 | 42732166 |
| 325340Amendment | Jan 13, 1987 | Jan 13, 1987 | Sun Expl. & Prod. Co.-Corpus | Bentsen Bros. -A- #9 | 11,500 | 42732166 |
| 325281 | Jan 9, 1987 | Jan 9, 1987 | Sinclair Minerals, Inc. | Hinojosa, Lydia #1 | 2,000 | 42731585 |
| 324999 | Jan 2, 1987 | Jan 2, 1987 | Mueller Engineering Corp. | Greiner #2 | 6,500 | 42732165 |
| 324999Amendment | Jan 2, 1987 | Jan 2, 1987 | Mueller Engineering Corp. | Greiner #2 | 6,500 | 42732165 |
| 324804 | Dec 30, 1986 | Dec 30, 1986 | Texaco Inc. | Bloomberg, S. D. #7 | 6,100 | 42730362 |
| 324331 | Dec 15, 1986 | Dec 15, 1986 | Sun Expl. & Prod. Co.-Corpus | Reilly Heirs #29 | 4,800 | 42732164 |
| 324314 | Dec 12, 1986 | Dec 12, 1986 | Sun Expl. & Prod. Co.-Corpus | Garcia, I. Y. #13 | 10,600 | 42732163 |
| 324219 | Dec 12, 1986 | Dec 12, 1986 | Corpus Christi Oil & Gas Co. | Howell, J. J. #2 | 5,315 | 42730257 |
| 324219Amendment | Dec 12, 1986 | Dec 12, 1986 | Corpus Christi Oil & Gas Co. | Howell, J. J. #2 | 5,315 | 42730257 |
| 324047 | Dec 11, 1986 | Dec 11, 1986 | Exxon Corp. | McGill Bros. #480 | 7,525 | 42731587 |
| 324002 | Dec 11, 1986 | Dec 11, 1986 | Sun Expl. & Prod. Co.-Corpus | De Pena, V. L. #2 | 7,330 | 42700348 |
| 324002Amendment | Dec 11, 1986 | Dec 11, 1986 | Sun Expl. & Prod. Co.-Corpus | De Pena, V. L. #2 | 7,330 | 42700348 |
| 324128 | Dec 9, 1986 | Dec 9, 1986 | Delta Bravo Exploration, Inc. | Guerra, H.P. #1 | 6,000 | 42732162 |
| 323954 | Dec 9, 1986 | Dec 9, 1986 | Tasca Exploration Company | Flores, O. #1 | 6,000 | 42731865 |
| 324003 | Dec 8, 1986 | Dec 8, 1986 | Sun Expl. & Prod. Co.-Corpus | Laurel, C. #6 | 7,000 | 42700523 |
| 323738 | Dec 5, 1986 | Dec 5, 1986 | Wright Brothers Energy, Inc. | Rodriquez #1VL | 5,312 | 42730079 |
| 323732 | Dec 5, 1986 | Dec 5, 1986 | Wright Brothers Energy, Inc. | Rodriquez #1VM | 5,312 | 42730079 |
| 323830 | Dec 4, 1986 | Dec 4, 1986 | Shell Western E&P Inc. | Bentson Bros. - State #8 | 10,410 | 42731306 |
| 323592 | Nov 25, 1986 | Nov 25, 1986 | Mortimer Exploration Company | Block/Guerra #1 | 6,000 | 42732161 |
| 323443 | Nov 24, 1986 | Nov 24, 1986 | Sun Expl. & Prod. Co.-Corpus | Bentsen Bros. -A- #8 | 11,300 | 42732160 |
| 323443Amendment | Nov 24, 1986 | Nov 24, 1986 | Sun Expl. & Prod. Co.-Corpus | Bentsen Bros. -A- #8 | 11,700 | 42732160 |
| 323339 | Nov 24, 1986 | Nov 24, 1986 | Mark IV Energy | Salinas, Dora M. #1 | 900 | 42732159 |
| 323339Amendment | Nov 24, 1986 | Nov 24, 1986 | Mark IV Energy | Salinas, Dora M. #1 | 900 | 42732159 |
| 323190 | Nov 20, 1986 | Nov 20, 1986 | Wright Brothers Energy, Inc. | Groos National Bank #4D | 4,321 | 42705097 |
| 322872 | Nov 19, 1986 | Nov 19, 1986 | Mortimer Exploration Company | Roos, R. C. III #1 | 4,000 | 42732156 |
| 323008 | Nov 14, 1986 | Nov 14, 1986 | Cox Oil & Gas, Inc. | Samano, M. #3 | 9,100 | 42732158 |
| 322995 | Nov 13, 1986 | Nov 13, 1986 | Sun Expl. & Prod. Co.-Corpus | Olivares, A. #7 | 4,952 | 42700704 |
| 322873 | Nov 12, 1986 | Nov 12, 1986 | Mortimer Exploration Company | Garnett Estate #1 | 3,200 | 42732157 |
| 322789 | Nov 7, 1986 | Nov 7, 1986 | Texaco Inc. | Guerra Share 92 #10 | 5,600 | 42730461 |
| 338226 | Nov 5, 1986 | Nov 5, 1986 | Sinclair Minerals, Inc. | Salinas #3 | 2,100 | 42732230 |
| 322415 | Oct 30, 1986 | Oct 30, 1986 | Christopher Oil & Gas Inc | Cortez #1 | 4,700 | 42732155 |
| 321891 | Oct 23, 1986 | Oct 23, 1986 | Exxon Corp. | San Roman, E. (Hcly) Wtrfld Unit #F 6 | 4,900 | 42732154 |
| 321989 | Oct 21, 1986 | Oct 21, 1986 | Sun Expl. & Prod. Co.-Corpus | Montalvo, I. V. -C- #2 | 5,450 | 42700570 |
| 320166 | Oct 21, 1986 | Oct 21, 1986 | Wright Brothers Energy, Inc. | Smith, R. G. #1 | 5,553 | 42730363 |