| 344065 | Mar 22, 1988 | Mar 22, 1988 | Mueller Engineering Corp. | Starr | Robinson Unit #2 | 6,300 | 42732253 |
| 340680 | Dec 30, 1987 | Dec 30, 1987 | Mueller Engineering Corp. | Nueces | Fox, Hewitt B. #2 | 7,100 | 35532621 |
| 338228 | Nov 4, 1987 | Nov 4, 1987 | Mueller Engineering Corp. | Nueces | Fox, Hewitt B. #1 | 6,400 | 35532603 |
| 338100 | Oct 30, 1987 | Oct 30, 1987 | Mueller Engineering Corp. | Wharton | Wilson #1 | 7,750 | 48133122 |
| 337914 | Oct 27, 1987 | Oct 27, 1987 | Mueller Engineering Corp. | Starr | Cameron #1 | 7,600 | 42732227 |
| 336994 | Oct 7, 1987 | Oct 7, 1987 | Mueller Engineering Corp. | Starr | Slick Estate #2 | 6,200 | 42732221 |
| 333811 | Aug 6, 1987 | Aug 6, 1987 | Mueller Engineering Corp. | Duval | Peters Family Trust #1 | 6,000 | 13137032 |
| 329024 | Apr 16, 1987 | Apr 16, 1987 | Mueller Engineering Corp. | Goliad | Donoghue #1 | 2,800 | 17532225 |
| 328454 | Apr 6, 1987 | Apr 6, 1987 | Mueller Engineering Corp. | Starr | Lehr #2 | 4,950 | 42732181 |
| 328402 | Apr 2, 1987 | Apr 2, 1987 | Mueller Engineering Corp. | Starr | Slick "A" #1 | 7,400 | 42732179 |
| 325575 | Jan 23, 1987 | Jan 23, 1987 | Mueller Engineering Corp. | Zavala | Grelle "A" #1 | 2,000 | 50732202 |
| 324999 | Jan 2, 1987 | Jan 2, 1987 | Mueller Engineering Corp. | Starr | Greiner #2 | 6,500 | 42732165 |
| 324999Amendment | Jan 2, 1987 | Jan 2, 1987 | Mueller Engineering Corp. | Starr | Greiner #2 | 6,500 | 42732165 |
| 324049 | Dec 16, 1986 | Dec 16, 1986 | Mueller Engineering Corp. | Colorado | Werlla Unit #1 | 3,900 | 08931680 |
| 323039 | Nov 24, 1986 | Nov 24, 1986 | Mueller Engineering Corp. | Goliad | Jablonski Unit #3 | 8,000 | 17532184 |
| 321017 | Sep 26, 1986 | Sep 26, 1986 | Mueller Engineering Corp. | McMullen | Nueces Minerals Company #1 | 6,000 | 31132493 |
| 320236 | Sep 15, 1986 | Sep 15, 1986 | Mueller Engineering Corp. | Wharton | Pryor, M. S. Trust #1 | 7,850 | 48132396 |
| 304543 | Jul 25, 1986 | Jul 25, 1986 | Mueller Engineering Corp. | Starr | Robinson Unit #1 | 7,600 | 42732133 |
| 303699 | Jul 1, 1986 | Jul 1, 1986 | Mueller Engineering Corp. | Starr | Lehr #1 | 5,600 | 42732130 |
| 302603 | May 28, 1986 | May 28, 1986 | Mueller Engineering Corp. | Starr | Slick Estate #1 | 7,000 | 42732076 |
| 302337 | May 21, 1986 | May 21, 1986 | Mueller Engineering Corp. | Zapata | De Vasquez, D. M. V. #3 | 2,450 | 50532201 |
| 302218 | May 16, 1986 | May 16, 1986 | Mueller Engineering Corp. | Starr | Davenport, Dee State #1 | 5,150 | 42732121 |
| 297549 | Feb 12, 1986 | Feb 12, 1986 | Mueller Engineering Corp. | Webb | Leal, Pedro #1 | 6,250 | 47934338 |
| 297444 | Feb 11, 1986 | Feb 11, 1986 | Mueller Engineering Corp. | Webb | Benavides #1 | 2,100 | 47934337 |
| 297523 | Feb 10, 1986 | Feb 10, 1986 | Mueller Engineering Corp. | Victoria | Gerdes #4 | 3,430 | 46931300 |
| 294721 | Jan 7, 1986 | Jan 7, 1986 | Mueller Engineering Corp. | Starr | Howell, J. J. #1 | 7,007 | 42701321 |
| 294720 | Dec 31, 1985 | Dec 31, 1985 | Mueller Engineering Corp. | Bastrop | Rivers Heirs #2 | 1,850 | 02130931 |
| 293595 | Dec 27, 1985 | Dec 27, 1985 | Mueller Engineering Corp. | Bastrop | Interfirst Bank #1 | 3,800 | 02130928 |
| 293222 | Dec 19, 1985 | Dec 19, 1985 | Mueller Engineering Corp. | Wharton | Gresham #1 | 5,450 | 48132941 |
| 292925 | Dec 17, 1985 | Dec 17, 1985 | Mueller Engineering Corp. | Duval | Garcia, E. B. #2 | 2,800 | 13136857 |
| 292231 | Dec 9, 1985 | Dec 9, 1985 | Mueller Engineering Corp. | Milam | Biehle, E. C. #1 | 2,700 | 33132999 |
| 291860 | Dec 5, 1985 | Dec 5, 1985 | Mueller Engineering Corp. | Milam | Lander, J. A. #1 | 2,700 | 33132992 |
| 291179 | Nov 26, 1985 | Nov 26, 1985 | Mueller Engineering Corp. | Webb | Billings, Floyd et Al #2 | 6,100 | 47934297 |
| 290051 | Nov 8, 1985 | Nov 8, 1985 | Mueller Engineering Corp. | Milam | Jensen, Grace #1 | 1,700 | 33132991 |
| 288459 | Oct 28, 1985 | Oct 28, 1985 | Mueller Engineering Corp. | Webb | Hughes Ranch #2 | 2,800 | 47934278 |
| 288460 | Oct 28, 1985 | Oct 28, 1985 | Mueller Engineering Corp. | Webb | Hughes Ranch #3 | 2,800 | 47934279 |
| 288358 | Oct 25, 1985 | Oct 25, 1985 | Mueller Engineering Corp. | Webb | Hughes Ranch #1 | 2,800 | 47934275 |
| 288338 | Oct 24, 1985 | Oct 24, 1985 | Mueller Engineering Corp. | Hidalgo | Casso, et al Gas Unit #1 | 11,393 | 21501968 |
| 284772 | Sep 16, 1985 | Sep 16, 1985 | Mueller Engineering Corp. | Milam | Lake, T. F. #1 | 1,250 | 33132957 |
| 284378 | Sep 6, 1985 | Sep 6, 1985 | Mueller Engineering Corp. | Webb | Billings, Floyd et Al #3 | 2,200 | 47934241 |
| 281739 | Aug 5, 1985 | Aug 5, 1985 | Mueller Engineering Corp. | Travis | Cansler #1 | 2,000 | 45330329 |
| 280892 | Jul 23, 1985 | Jul 23, 1985 | Mueller Engineering Corp. | Williamson | Farek Unit #1 | 1,200 | 49130372 |
| 280731 | Jul 22, 1985 | Jul 22, 1985 | Mueller Engineering Corp. | San Patricio | Cox, B. W. #1 | 5,250 | 40932011 |
| 280573 | Jul 19, 1985 | Jul 19, 1985 | Mueller Engineering Corp. | Milam | Shipp #1 | 3,000 | 33132934 |
| 280258 | Jul 17, 1985 | Jul 17, 1985 | Mueller Engineering Corp. | Bastrop | Rivers Heirs #1 | 1,500 | 02130918 |
| 280244 | Jul 16, 1985 | Jul 16, 1985 | Mueller Engineering Corp. | Milam | Ruzicka #1 | 1,250 | 33132921 |
| 280187 | Jul 15, 1985 | Jul 15, 1985 | Mueller Engineering Corp. | Zavala | Jones Unit #3 | 2,000 | 50732149 |
| 279106 | Jun 28, 1985 | Jun 28, 1985 | Mueller Engineering Corp. | Webb | Billings, Floyd et Al #1 | 5,400 | 47934189 |
| 277582 | Jun 13, 1985 | Jun 13, 1985 | Mueller Engineering Corp. | Bee | Mills-Bennett Unit #1 | 4,100 | 02532292 |
| 277040 | Jun 7, 1985 | Jun 7, 1985 | Mueller Engineering Corp. | Duval | Garcia, E. B. #1 | 3,000 | 13136724 |
| 276703 | Jun 5, 1985 | Jun 5, 1985 | Mueller Engineering Corp. | Lavaca | Turk, Fred A. #2 | 3,150 | 28531922 |
| 273535 | Apr 24, 1985 | Apr 24, 1985 | Mueller Engineering Corp. | San Patricio | Cox, B. W. #B1 | 5,000 | 40900252 |
| 272956 | Apr 22, 1985 | Apr 22, 1985 | Mueller Engineering Corp. | Bee | Galloway #1 | 5,500 | 02532274 |
| 268612 | Mar 6, 1985 | Mar 6, 1985 | Mueller Engineering Corp. | San Patricio | McDaniel, W. C. #2 | 1,600 | 40932028 |
| 267316 | Feb 21, 1985 | Feb 21, 1985 | Mueller Engineering Corp. | Zavala | Wiltgen #2 | 3,607 | 50700337 |
| 267325 | Feb 19, 1985 | Feb 19, 1985 | Mueller Engineering Corp. | Zavala | Wiltgen #3 | 3,652 | 50700342 |
| 267021 | Feb 19, 1985 | Feb 19, 1985 | Mueller Engineering Corp. | Zavala | Jones Unit #2 | 1,850 | 50732102 |
| 263753 | Jan 10, 1985 | Jan 10, 1985 | Mueller Engineering Corp. | Wharton | Pryor Trust #1R | 7,850 | 48132798 |
| 261911 | Dec 20, 1984 | Dec 20, 1984 | Mueller Engineering Corp. | Wharton | Pryor Trust #1 | 7,850 | 48132779 |
| 261812 | Dec 20, 1984 | Dec 20, 1984 | Mueller Engineering Corp. | Lavaca | Turk, Fred A. #1 | 3,500 | 28531875 |
| 261288 | Dec 17, 1984 | Dec 17, 1984 | Mueller Engineering Corp. | Lavaca | Debord #1 | 3,500 | 28531873 |
| 261277 | Dec 17, 1984 | Dec 17, 1984 | Mueller Engineering Corp. | San Patricio | Cox, B. W. #1 | 5,250 | 40932011 |
| 259096 | Nov 26, 1984 | Nov 26, 1984 | Mueller Engineering Corp. | Goliad | Albrecht, V. "B" #28 | 5,300 | 17531918 |
| 256924 | Nov 7, 1984 | Nov 7, 1984 | Mueller Engineering Corp. | Goliad | Shay "C" #1 | 5,400 | 17531946 |
| 256920 | Nov 7, 1984 | Nov 7, 1984 | Mueller Engineering Corp. | Goliad | Shay "D" #1 | 5,500 | 17531945 |
| 252270 | Sep 24, 1984 | Sep 24, 1984 | Mueller Engineering Corp. | Zavala | Wiltgen #1 | 3,500 | 50732082 |
| 247434 | Aug 6, 1984 | Aug 6, 1984 | Mueller Engineering Corp. | Goliad | Albrecht, V. "B" #28 | 5,300 | 17531918 |
| 243073 | Jun 26, 1984 | Jun 26, 1984 | Mueller Engineering Corp. | Refugio | Reilly #1 | 7,000 | 39131741 |
| 240380 | May 29, 1984 | May 29, 1984 | Mueller Engineering Corp. | Bee | Burke, Alma E. #1 | 3,136 | 02501368 |
| 235614 | Mar 23, 1984 | Mar 23, 1984 | Mueller Engineering Corp. | Jim Wells | Freeborn #3 | 5,246 | 24900026 |
| 234485 | Mar 23, 1984 | Mar 23, 1984 | Mueller Engineering Corp. | Jim Wells | Freeborn, Bella S. #4 | 4,950 | 24900023 |
| 233070 | Mar 21, 1984 | Mar 21, 1984 | Mueller Engineering Corp. | Zavala | Jessee, Marie A. #1 | 2,000 | 50732039 |
| 238307 | Mar 16, 1984 | Mar 16, 1984 | Mueller Engineering Corp. | Duval | Sulo-Peters #2 | 1,876 | 13135218 |
| 231250 | Feb 23, 1984 | Feb 23, 1984 | Mueller Engineering Corp. | Starr | Pena, S. G. #3R | 5,175 | 42731409 |
| 224411 | Dec 22, 1983 | Dec 22, 1983 | Mueller Engineering Corp. | De Witt | Vaughn, A. M. #1 | 5,300 | 12300859 |
| 224503 | Dec 9, 1983 | Dec 9, 1983 | Mueller Engineering Corp. | Zapata | Cuellar, J. V. #2 | 5,000 | 50580462 |
| 221409 | Nov 22, 1983 | Nov 22, 1983 | Mueller Engineering Corp. | Zavala | Atwood, Kirby #3 | 2,700 | 50732015 |
| 222333 | Nov 8, 1983 | Nov 8, 1983 | Mueller Engineering Corp. | Live Oak | Saenz, Tomas #1 | 5,000 | 29702116 |
| 219782 | Nov 4, 1983 | Nov 4, 1983 | Mueller Engineering Corp. | Live Oak | Nester, M. E. L. #1 | 5,000 | 29733372 |
| 218550 | Oct 26, 1983 | Oct 26, 1983 | Mueller Engineering Corp. | Bee | Broocks, Alice Renfro #1 | 3,600 | 02532065 |
| 217649 | Oct 19, 1983 | Oct 19, 1983 | Mueller Engineering Corp. | Zavala | Grelle, Omer #1 | 2,100 | 50732002 |
| 216114 | Oct 4, 1983 | Oct 4, 1983 | Mueller Engineering Corp. | Duval | Canales, Amando #2 | 4,900 | 13136342 |
| 218556 | Sep 29, 1983 | Sep 29, 1983 | Mueller Engineering Corp. | Refugio | Shelton, F. B. #1 | 6,416 | 39181918 |
| 210027 | Sep 7, 1983 | Sep 7, 1983 | Mueller Engineering Corp. | Goliad | Albrecht, V. "A" #27 | 3,000 | 17531770 |
| 206610 | Aug 19, 1983 | Aug 19, 1983 | Mueller Engineering Corp. | Starr | Howell #3 | 4,800 | 42701319 |
| 206609 | Aug 19, 1983 | Aug 19, 1983 | Mueller Engineering Corp. | Nueces | Cuellar #1 | 4,700 | 35506172 |
| 206608 | Aug 19, 1983 | Aug 19, 1983 | Mueller Engineering Corp. | Starr | Howell #2 | 6,600 | 42701322 |
| 206512 | Aug 18, 1983 | Aug 18, 1983 | Mueller Engineering Corp. | Live Oak | Spradley, G. B. #1 | 5,101 | 29702092 |
| 200196 | Jun 29, 1983 | Jun 29, 1983 | Mueller Engineering Corp. | Duval | Sulo-Peters #12 | 6,014 | 13107397 |
| 198962 | Jun 21, 1983 | Jun 21, 1983 | Mueller Engineering Corp. | Kleberg | Welch-Reichardt #1 | 3,010 | 27331780 |
| 197016 | Jun 2, 1983 | Jun 2, 1983 | Mueller Engineering Corp. | Zapata | De Vasquez, D. M. V. #2 | 3,850 | 50531675 |
| 187111 | Feb 1, 1983 | Feb 1, 1983 | Mueller Engineering Corp. | Duval | Sulo-Peters #11 | 2,100 | 13136080 |
| 184199 | Jan 17, 1983 | Jan 17, 1983 | Mueller Engineering Corp. | Zapata | Delia M. Vela de Vasquez #1 | 5,000 | 50501932 |
| 182981 | Dec 31, 1982 | Dec 31, 1982 | Mueller Engineering Corp. | Duval | Canales, Amando #1 | 5,100 | 13136172 |
| 178056 | Nov 23, 1982 | Nov 23, 1982 | Mueller Engineering Corp. | Goliad | Shay, Wallace #1 | 5,600 | 17501942 |
| 178271 | Nov 12, 1982 | Nov 12, 1982 | Mueller Engineering Corp. | Duval | Adami #1 | 2,000 | 13136135 |
| 176767 | Nov 5, 1982 | Nov 5, 1982 | Mueller Engineering Corp. | Duval | Wright, Howard & Roger #1 | 2,103 | 13135805 |
| 171802 | Sep 10, 1982 | Sep 10, 1982 | Mueller Engineering Corp. | Zapata | J. V. Cuellar #2 #2 | 5,000 | 50580456 |
| 171258 | Sep 9, 1982 | Sep 9, 1982 | Mueller Engineering Corp. | Duval | De Barrera, Josefa S. #2 | 3,300 | 13136102 |
| 168161 | Aug 4, 1982 | Aug 4, 1982 | Mueller Engineering Corp. | Brooks | Bennett, Mills, Estate #1 | 6,020 | 04731208 |