| 390564 | Aug 6, 1991 | Aug 6, 1991 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 707-S #5 | 5,000 | 60330238 |
| 388614 | Jun 14, 1991 | Jun 14, 1991 | Corpus Christi Oil & Gas Co. | Matgrda IS-LB | State Tract 520-L NE/4 #3 | 14,500 | 70330366 |
| 388047 | May 21, 1991 | May 21, 1991 | Corpus Christi Oil & Gas Co. | Matgrda IS-LB | State Tract 520-L SW/4 #9 | 12,981 | 70330069 |
| 386980 | Apr 23, 1991 | Apr 23, 1991 | Corpus Christi Oil & Gas Co. | Aransas | State Tract 826-S #A 1 | 7,700 | 60330202 |
| 384406 | Feb 11, 1991 | Feb 11, 1991 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #22 | 5,000 | 24731934 |
| 383719 | Jan 29, 1991 | Jan 29, 1991 | Corpus Christi Oil & Gas Co. | Nueces | State Tract 346 #2 | 16,000 | 35532840 |
| 383700 | Jan 22, 1991 | Jan 22, 1991 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 196 #1 | 2,930 | 05731406 |
| 382921 | Jan 2, 1991 | Jan 2, 1991 | Corpus Christi Oil & Gas Co. | Mustang IS-E | State Tract 835-S #2 | 7,500 | 60330259 |
| 379906 | Oct 26, 1990 | Oct 26, 1990 | Corpus Christi Oil & Gas Co. | Brazos-LB | State Tract 374-L SW/4 #7 | 8,500 | 70430286 |
| 377907 | Sep 18, 1990 | Sep 18, 1990 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 195 #3 | 6,500 | 05731484 |
| 377822 | Sep 14, 1990 | Sep 14, 1990 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 708-S #5L | 5,000 | 60330252 |
| 376873 | Aug 23, 1990 | Aug 23, 1990 | Corpus Christi Oil & Gas Co. | Jackson | Hasdorff, Fred #1 | 7,500 | 23932474 |
| 376540 | Aug 16, 1990 | Aug 16, 1990 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #21 | 5,000 | 24731914 |
| 376251 | Aug 7, 1990 | Aug 7, 1990 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 195 #1 | 7,000 | 05731390 |
| 374827 | Jul 12, 1990 | Jul 12, 1990 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 195 #5 | 7,000 | 05731497 |
| 374942 | Jul 10, 1990 | Jul 10, 1990 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 202 #1 | 7,000 | 05731496 |
| 372497 | Apr 24, 1990 | Apr 24, 1990 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 196 #2 | 4,500 | 05731491 |
| 372486 | Apr 24, 1990 | Apr 24, 1990 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 195 #4 | 7,000 | 05731492 |
| 368920 | Jan 24, 1990 | Jan 24, 1990 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #20 | 6,000 | 24731892 |
| 368889 | Jan 23, 1990 | Jan 23, 1990 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 707-S #5 | 5,000 | 60330238 |
| 368657 | Jan 17, 1990 | Jan 17, 1990 | Corpus Christi Oil & Gas Co. | Matagorda | State Tract 369-L SW/4 #1 | 8,600 | 70430276 |
| 365019 | Oct 16, 1989 | Oct 16, 1989 | Corpus Christi Oil & Gas Co. | Matagorda | State Tract 161 #1 | 6,500 | 32131601 |
| 363829 | Sep 14, 1989 | Sep 14, 1989 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 195 #3 | 6,500 | 05731484 |
| 363191 | Aug 30, 1989 | Aug 30, 1989 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 840-S #4 | 12,000 | 60330219 |
| 362797 | Aug 18, 1989 | Aug 18, 1989 | Corpus Christi Oil & Gas Co. | Matagorda | State Tract 144 #2 | 6,500 | 32131596 |
| 362574 | Aug 11, 1989 | Aug 11, 1989 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #19 | 5,000 | 24731871 |
| 362479 | Aug 9, 1989 | Aug 9, 1989 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 844-S #1 | 12,000 | 60330255 |
| 362479Amendment | Aug 9, 1989 | Aug 9, 1989 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 844-S #1 | 12,000 | 60330255 |
| 361472 | Jul 13, 1989 | Jul 13, 1989 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 719-S #1 | 4,500 | 60330254 |
| 361472Amendment | Jul 13, 1989 | Jul 13, 1989 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 719-S #1 | 4,500 | 60330254 |
| 361146 | Jul 6, 1989 | Jul 6, 1989 | Corpus Christi Oil & Gas Co. | Brazos-LB | State Tract 369-L SW/4 #1 | 8,500 | 70430276 |
| 360256 | Jun 9, 1989 | Jun 9, 1989 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 818-S #1 | 8,000 | 60330203 |
| 359102 | May 18, 1989 | May 18, 1989 | Corpus Christi Oil & Gas Co. | Aransas | State Tract 833-S #1 | 11,000 | 60330198 |
| 359102Amendment | May 18, 1989 | May 18, 1989 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 833-S #1 | 11,000 | 60330198 |
| 359069 | May 9, 1989 | May 9, 1989 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 708-S #5L | 5,000 | 60330252 |
| 357965 | Apr 12, 1989 | Apr 12, 1989 | Corpus Christi Oil & Gas Co. | Jackson | Hasdorff, Fred #1 | 7,500 | 23932474 |
| 355316 | Jan 25, 1989 | Jan 25, 1989 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #18 | 5,000 | 24731844 |
| 355322 | Jan 23, 1989 | Jan 23, 1989 | Corpus Christi Oil & Gas Co. | Willacy | Yturria Land & Cattle #1 | 11,500 | 48930921 |
| 352980 | Nov 4, 1988 | Nov 4, 1988 | Corpus Christi Oil & Gas Co. | Jackson | Hasdorff #2 | 7,100 | 23932435 |
| 352980Amendment | Nov 4, 1988 | Nov 4, 1988 | Corpus Christi Oil & Gas Co. | Jackson | Hasdorff #2 | 7,100 | 23932435 |
| 352359 | Oct 18, 1988 | Oct 18, 1988 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 196 #1 | 2,930 | 05731406 |
| 352144 | Oct 13, 1988 | Oct 13, 1988 | Corpus Christi Oil & Gas Co. | Calhoun | Shofner #1 | 10,000 | 05731461 |
| 350663 | Sep 12, 1988 | Sep 12, 1988 | Corpus Christi Oil & Gas Co. | Mustang IS-LB | State Tract 818-L SE/4 #1 | 11,600 | 70230195 |
| 350174 | Aug 17, 1988 | Aug 17, 1988 | Corpus Christi Oil & Gas Co. | Aransas | State Tract 68 #1 | 11,570 | 00730669 |
| 349616 | Aug 5, 1988 | Aug 5, 1988 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #17 | 6,000 | 24731825 |
| 347616 | Jun 20, 1988 | Jun 20, 1988 | Corpus Christi Oil & Gas Co. | Kleberg | State Tract 818-L NE/4 #3 | 12,404 | 70230214 |
| 345620 | Apr 27, 1988 | Apr 27, 1988 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 840-S #5 | 10,700 | 60330220 |
| 342549 | Feb 16, 1988 | Feb 16, 1988 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 708-S #5 | 5,000 | 60330252 |
| 342406 | Feb 10, 1988 | Feb 10, 1988 | Corpus Christi Oil & Gas Co. | Calhoun | Appling, S. E. Gas Unit "B" #1 | 9,936 | 05731234 |
| 342008 | Feb 1, 1988 | Feb 1, 1988 | Corpus Christi Oil & Gas Co. | Matgrda IS-LB | State Tract 138-A #3 | 6,500 | 05731453 |
| 342008Amendment | Feb 1, 1988 | Feb 1, 1988 | Corpus Christi Oil & Gas Co. | Matgrda IS-LB | State Tract 138-A #3 | 6,500 | 05731453 |
| 337696 | Oct 26, 1987 | Oct 26, 1987 | Corpus Christi Oil & Gas Co. | Starr | Hidalgo Willacy #2 | 8,500 | 42732226 |
| 334907 | Aug 28, 1987 | Aug 28, 1987 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #4 | 3,300 | 24731284 |
| 334888 | Aug 25, 1987 | Aug 25, 1987 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 840-S #6 | 10,000 | 60330250 |
| 334470 | Aug 17, 1987 | Aug 17, 1987 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 720 #2 | 6,500 | 60330249 |
| 334382 | Aug 14, 1987 | Aug 14, 1987 | Corpus Christi Oil & Gas Co. | Starr | Resendez, Santos #1 | 4,000 | 42732207 |
| 334217 | Aug 12, 1987 | Aug 12, 1987 | Corpus Christi Oil & Gas Co. | Starr | Resendez-Rodriguez Unit #1 | 4,000 | 42732205 |
| 332765 | Jul 14, 1987 | Jul 14, 1987 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #16 | 5,000 | 24731788 |
| 332644 | Jul 13, 1987 | Jul 13, 1987 | Corpus Christi Oil & Gas Co. | Kleberg | State Tract 145 #4 | 7,960 | 27331880 |
| 327449 | Mar 12, 1987 | Mar 12, 1987 | Corpus Christi Oil & Gas Co. | Galveston-LB | State Tract 278-L NW/4 #1 | 8,110 | 70630077 |
| 326726 | Feb 19, 1987 | Feb 19, 1987 | Corpus Christi Oil & Gas Co. | Matgrda IS-LB | State Tract 628-L,se/4 #7 | 5,459 | 70330323 |
| 324220 | Dec 15, 1986 | Dec 15, 1986 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #15 | 4,700 | 24731764 |
| 324219 | Dec 12, 1986 | Dec 12, 1986 | Corpus Christi Oil & Gas Co. | Starr | Howell, J. J. #2 | 5,315 | 42730257 |
| 324219Amendment | Dec 12, 1986 | Dec 12, 1986 | Corpus Christi Oil & Gas Co. | Starr | Howell, J. J. #2 | 5,315 | 42730257 |
| 323688 | Dec 3, 1986 | Dec 3, 1986 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 190 #2 | 7,000 | 05731421 |
| 320360 | Sep 11, 1986 | Sep 11, 1986 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 672-S #1 | 7,000 | 05731418 |
| 304544 | Jul 25, 1986 | Jul 25, 1986 | Corpus Christi Oil & Gas Co. | Starr | Guerra, F. B. #7 | 8,500 | 42732134 |
| 304496 | Jul 23, 1986 | Jul 23, 1986 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 826-S #A1U | 7,455 | 60330202 |
| 304397 | Jul 22, 1986 | Jul 22, 1986 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 818-S #1U | 8,000 | 60330203 |
| 303694 | Jun 30, 1986 | Jun 30, 1986 | Corpus Christi Oil & Gas Co. | Matgrda IS-LB | State Tract 659-L SW/4 #1 | 6,389 | 70330210 |
| 303419 | Jun 20, 1986 | Jun 20, 1986 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 721-S #1 | 6,087 | 60330006 |
| 303344 | Jun 18, 1986 | Jun 18, 1986 | Corpus Christi Oil & Gas Co. | Nueces | State Tract 345 #1 | 10,734 | 35532074 |
| 303140 | Jun 11, 1986 | Jun 11, 1986 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #14 | 6,000 | 24731733 |
| 301636 | Apr 29, 1986 | Apr 29, 1986 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 833-S #1 | 11,200 | 60330198 |
| 300543 | Apr 1, 1986 | Apr 1, 1986 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 840-S #3 | 11,300 | 60330215 |
| 297688 | Feb 7, 1986 | Feb 7, 1986 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 708-S #1 | 5,898 | 60330007 |
| 292352 | Dec 11, 1985 | Dec 11, 1985 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #13 | 6,000 | 24731707 |
| 290434 | Nov 14, 1985 | Nov 14, 1985 | Corpus Christi Oil & Gas Co. | Matagorda | State Tract 210 #1 | 7,000 | 32131488 |
| 290291 | Nov 13, 1985 | Nov 13, 1985 | Corpus Christi Oil & Gas Co. | Matagorda | State Tract 156 #1 | 7,000 | 32131487 |
| 290056 | Nov 8, 1985 | Nov 8, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 196 #1 | 7,000 | 05731406 |
| 288436 | Oct 22, 1985 | Oct 22, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 138 - A #2 | 7,000 | 05731404 |
| 285973 | Sep 25, 1985 | Sep 25, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 89 #1 | 14,000 | 05731399 |
| 286042 | Sep 25, 1985 | Sep 25, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 118 #1 | 14,000 | 05731400 |
| 282783 | Aug 16, 1985 | Aug 16, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 135 #1 | 7,000 | 05731392 |
| 282203 | Aug 12, 1985 | Aug 12, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 195 #1 | 7,000 | 05731390 |
| 282099 | Aug 6, 1985 | Aug 6, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 147 #1 | 6,500 | 05731389 |
| 281266 | Jul 30, 1985 | Jul 30, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 114 #1 | 6,500 | 05731387 |
| 281267 | Jul 29, 1985 | Jul 29, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 144 #1 | 7,000 | 05731388 |
| 281117 | Jul 25, 1985 | Jul 25, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 129 #1 | 7,000 | 05731386 |
| 280544 | Jul 19, 1985 | Jul 19, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 109 #1 | 7,000 | 05731385 |
| 279785 | Jul 9, 1985 | Jul 9, 1985 | Corpus Christi Oil & Gas Co. | Kleberg | State Tract 145 #5 | 9,000 | 27332011 |
| 275068 | May 16, 1985 | May 16, 1985 | Corpus Christi Oil & Gas Co. | Matgrda IS-LB | State Tract 721-L, SW/4 #8 | 8,000 | 70330341 |
| 274920 | May 14, 1985 | May 14, 1985 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #12 | 5,000 | 24731661 |
| 268534 | Mar 6, 1985 | Mar 6, 1985 | Corpus Christi Oil & Gas Co. | Calhoun | State Tract 130 #2 | 6,500 | 05731367 |
| 263134 | Jan 7, 1985 | Jan 7, 1985 | Corpus Christi Oil & Gas Co. | Jim Hogg | Holbein #11 | 5,000 | 24731632 |
| 263471 | Jan 7, 1985 | Jan 7, 1985 | Corpus Christi Oil & Gas Co. | Brazos-SB | State Tract 438-S #1 | 8,000 | 60430150 |
| 263463 | Jan 7, 1985 | Jan 7, 1985 | Corpus Christi Oil & Gas Co. | Brazos-LB | State Tract 369-L SW/4 #1 | 8,500 | 70430240 |
| 263466 | Jan 7, 1985 | Jan 7, 1985 | Corpus Christi Oil & Gas Co. | Brazos-LB | State Tract 369-L SW/4 #2 | 8,500 | 70430241 |
| 263465 | Dec 31, 1984 | Dec 31, 1984 | Corpus Christi Oil & Gas Co. | Matgrda IS-LB | State Tract 691-L SE/4 #3 | 7,500 | 70330336 |
| 258834 | Nov 26, 1984 | Nov 26, 1984 | Corpus Christi Oil & Gas Co. | Matgrda IS-SB | State Tract 719-S #1 | 6,000 | 60330254 |