| 140190 | Nov 10, 1981 | Nov 10, 1981 | Sun Expl. & Prod. Co.-Houston | Jackson | Brooking, G. T. #28 | 9,752 | 23930318 |
| 140186 | Nov 10, 1981 | Nov 10, 1981 | Sun Expl. & Prod. Co.-Houston | Jackson | Brooking, G. T. #25 | 9,115 | 23903164 |
| 139868 | Nov 6, 1981 | Nov 6, 1981 | Sun Expl. & Prod. Co.-Houston | Nueces | London, F.E. #7 | 10,200 | 35531932 |
| 138470 | Oct 28, 1981 | Oct 28, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Austin, Carlos A. #1 | 4,800 | 42731470 |
| 137733 | Oct 22, 1981 | Oct 22, 1981 | Sun Expl. & Prod. Co.-Houston | Washington | Clay Creek West Unit #311 | 2,200 | 47730447 |
| 137732 | Oct 22, 1981 | Oct 22, 1981 | Sun Expl. & Prod. Co.-Houston | Washington | Clay Creek East Unit #520 | 2,720 | 47730446 |
| 137125 | Oct 19, 1981 | Oct 19, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Solis, N. Oil Unit 6 #1 | 4,300 | 42703694 |
| 136931 | Oct 19, 1981 | Oct 19, 1981 | Sun Expl. & Prod. Co.-Houston | Duval | Duval County Ranch Company #48 | 2,600 | 13135562 |
| 136231 | Oct 13, 1981 | Oct 13, 1981 | Sun Expl. & Prod. Co.-Houston | Nueces | King, Richard #329 | 6,400 | 35531864 |
| 135330 | Oct 2, 1981 | Oct 2, 1981 | Sun Expl. & Prod. Co.-Houston | Jefferson | Broussard & Hebert #27 | 7,552 | 24502094 |
| 134629 | Sep 28, 1981 | Sep 28, 1981 | Sun Expl. & Prod. Co.-Houston | Jefferson | Broussard & Herbert #12 | 7,447 | 24502079 |
| 134090 | Sep 23, 1981 | Sep 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Boyd, G.G. #34 | 7,500 | 12732262 |
| 137159 | Sep 21, 1981 | Sep 21, 1981 | Sun Expl. & Prod. Co.-Houston | Zavala | Jones, Erin Bain #3 | 7,100 | 50731578 |
| 133812 | Sep 21, 1981 | Sep 21, 1981 | Sun Expl. & Prod. Co.-Houston | Duval | Wiederkehr, L. #202 | 3,607 | 13135438 |
| 133798 | Sep 21, 1981 | Sep 21, 1981 | Sun Expl. & Prod. Co.-Houston | Kleberg | Wernecke, Ernest D. #4 | 7,000 | 27330141 |
| 133699 | Sep 21, 1981 | Sep 21, 1981 | Sun Expl. & Prod. Co.-Houston | Duval | Wiederkehr, L. #159 | 3,000 | 13131174 |
| 133286 | Sep 15, 1981 | Sep 15, 1981 | Sun Expl. & Prod. Co.-Houston | Wilson | Poth, Gloriana "a" Unit #213 | 1,850 | 49330987 |
| 133164 | Sep 15, 1981 | Sep 15, 1981 | Sun Expl. & Prod. Co.-Houston | Zavala | Baggett, John B #12 | 7,800 | 50731577 |
| 145558 | Sep 11, 1981 | Sep 11, 1981 | Sun Expl. & Prod. Co.-Houston | Galveston | Zinn & Forman #1 | 6,700 | 16700918 |
| 132790 | Sep 10, 1981 | Sep 10, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Rendall, Margaret S. #1 | 1,900 | 42731356 |
| 132685 | Sep 9, 1981 | Sep 9, 1981 | Sun Expl. & Prod. Co.-Houston | Victoria | Shelton, Nancy F. #6 | 7,400 | 46930663 |
| 132036 | Sep 2, 1981 | Sep 2, 1981 | Sun Expl. & Prod. Co.-Houston | Nueces | King, Richard #221 | 5,450 | 35500154 |
| 131459 | Aug 28, 1981 | Aug 28, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Caffarelli #11 | 5,000 | 42731575 |
| 131335 | Aug 25, 1981 | Aug 25, 1981 | Sun Expl. & Prod. Co.-Houston | San Patricio | Welder, E.H. #1 | 7,000 | 40931561 |
| 131662 | Aug 24, 1981 | Aug 24, 1981 | Sun Expl. & Prod. Co.-Houston | Nueces | King, Richard #322 | 4,060 | 35500120 |
| 130744 | Aug 24, 1981 | Aug 24, 1981 | Sun Expl. & Prod. Co.-Houston | Victoria | Shelton, Nancy F. #8 | 7,600 | 46931575 |
| 119092 | Aug 20, 1981 | Aug 20, 1981 | Sun Expl. & Prod. Co.-Houston | Duval | Wiederkehr, L. #44 | 2,050 | 13102515 |
| 143580 | Aug 19, 1981 | Aug 19, 1981 | Sun Expl. & Prod. Co.-Houston | Galveston | Simpton #6 | 8,100 | 16730799 |
| 131881 | Aug 19, 1981 | Aug 19, 1981 | Sun Expl. & Prod. Co.-Houston | Galveston | Simpton #3 | 5,100 | 16700909 |
| 136500 | Aug 13, 1981 | Aug 13, 1981 | Sun Expl. & Prod. Co.-Houston | Victoria | Shelton-West Unit "B" #1 | 6,850 | 46931492 |
| 130094 | Aug 13, 1981 | Aug 13, 1981 | Sun Expl. & Prod. Co.-Houston | Wilson | Poth, Gloriana "a" Unit #37 | 1,825 | 49330968 |
| 130092 | Aug 13, 1981 | Aug 13, 1981 | Sun Expl. & Prod. Co.-Houston | Karnes | Moczgemba, V. T. #4 | 5,295 | 25500031 |
| 130089 | Aug 13, 1981 | Aug 13, 1981 | Sun Expl. & Prod. Co.-Houston | Wilson | Poth, Gloriana -a- Unit #212 | 1,850 | 49330967 |
| 128366 | Aug 4, 1981 | Aug 4, 1981 | Sun Expl. & Prod. Co.-Houston | Jefferson | Broussard & Hebert #4 | 8,795 | 24502071 |
| 129976 | Jul 30, 1981 | Jul 30, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Guzman, C.L. #2 | 4,400 | 42731557 |
| 127652 | Jul 30, 1981 | Jul 30, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Degarcia, B. G. #36 | 4,600 | 42731564 |
| 127648 | Jul 30, 1981 | Jul 30, 1981 | Sun Expl. & Prod. Co.-Houston | Duval | Wiederkehr, L. #57 | 2,030 | 13105033 |
| 129957 | Jul 28, 1981 | Jul 28, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Vela, Irene "C" Unit #9 #1 | 3,900 | 42703882 |
| 129951 | Jul 28, 1981 | Jul 28, 1981 | Sun Expl. & Prod. Co.-Houston | Houston | Huffman, L.W. #5 | 3,200 | 22530390 |
| 127212 | Jul 27, 1981 | Jul 27, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | La Brisa L&C Company #1 | 3,900 | 42703661 |
| 127144 | Jul 27, 1981 | Jul 27, 1981 | Sun Expl. & Prod. Co.-Houston | Nueces | King, Richard #226 | 5,300 | 35500159 |
| 127141 | Jul 27, 1981 | Jul 27, 1981 | Sun Expl. & Prod. Co.-Houston | Duval | Wiederkehr, L. #114 | 5,401 | 13105052 |
| 127042 | Jul 23, 1981 | Jul 23, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Garcia-Ramirez Ut. 10 #1 | 4,070 | 42704270 |
| 126698 | Jul 23, 1981 | Jul 23, 1981 | Sun Expl. & Prod. Co.-Houston | Chambers | Connerly, Josephine #1 | 8,600 | 07131235 |
| 127614 | Jul 15, 1981 | Jul 15, 1981 | Sun Expl. & Prod. Co.-Houston | Duval | Wiederkehr, L. #189 | 3,700 | 13135260 |
| 124291 | Jul 8, 1981 | Jul 8, 1981 | Sun Expl. & Prod. Co.-Houston | Nueces | King, Richard #26 | 6,300 | 35500139 |
| 124198 | Jul 8, 1981 | Jul 8, 1981 | Sun Expl. & Prod. Co.-Houston | Chambers | Middleton, Archie #9 | 8,700 | 07102314 |
| 121569 | Jun 18, 1981 | Jun 18, 1981 | Sun Expl. & Prod. Co.-Houston | Victoria | Shelton, Nancy F. #7 | 7,250 | 46931557 |
| 121726 | Jun 11, 1981 | Jun 11, 1981 | Sun Expl. & Prod. Co.-Houston | Victoria | Shelton, Nancy F. #6 | 7,400 | 46930663 |
| 120163 | Jun 4, 1981 | Jun 4, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #5508 | 5,720 | 12732208 |
| 120162 | Jun 4, 1981 | Jun 4, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #5455 | 5,770 | 12732207 |
| 120161 | Jun 4, 1981 | Jun 4, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #5507 | 5,700 | 12732205 |
| 119531 | May 28, 1981 | May 28, 1981 | Sun Expl. & Prod. Co.-Houston | Jackson | Brooking, G.T. #32 | 7,442 | 23930363 |
| 119018 | May 22, 1981 | May 22, 1981 | Sun Expl. & Prod. Co.-Houston | Jackson | Brooking, G. T. #40 | 9,200 | 23931429 |
| 118736 | May 20, 1981 | May 20, 1981 | Sun Expl. & Prod. Co.-Houston | Wilson | Wehmeyer, Frank #1 | 4,906 | 49330895 |
| 117341 | May 7, 1981 | May 7, 1981 | Sun Expl. & Prod. Co.-Houston | Hardin | Sun Fee Lot 28 #1 | 8,000 | 19931592 |
| 119136 | May 5, 1981 | May 5, 1981 | Sun Expl. & Prod. Co.-Houston | Victoria | Agnes & Una West #5 | 6,700 | 46900726 |
| 118819 | Apr 30, 1981 | Apr 30, 1981 | Sun Expl. & Prod. Co.-Houston | Victoria | Agnes & Una West #4 | 6,800 | 46901700 |
| 116334 | Apr 29, 1981 | Apr 29, 1981 | Sun Expl. & Prod. Co.-Houston | Jim Hogg | Weil Brothers #43 | 6,300 | 24731298 |
| 116721 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #2022 | 5,725 | 12732187 |
| 116719 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #5506 | 5,725 | 12732188 |
| 116718 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #4802 | 5,800 | 12732189 |
| 116717 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #1910 | 5,800 | 12732183 |
| 116716 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #2131 | 5,800 | 12732176 |
| 116715 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #2127 | 5,775 | 12732178 |
| 116713 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #3137 | 5,800 | 12732179 |
| 116712 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #2128 | 5,750 | 12732180 |
| 116711 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #2132 W | 5,800 | 12732181 |
| 116710 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #3640 | 5,825 | 12732184 |
| 116709 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #3238 | 5,800 | 12732186 |
| 116708 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #1909 | 5,800 | 12732185 |
| 116632 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #2502 | 5,800 | 12732177 |
| 116628 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Dimmit | Big Wells (San Miguel) Unit #2133 I | 5,800 | 12732190 |
| 115868 | Apr 23, 1981 | Apr 23, 1981 | Sun Expl. & Prod. Co.-Houston | Jefferson | Broussard & Hebert #27 | 7,552 | 24502094 |
| 115539 | Apr 17, 1981 | Apr 17, 1981 | Sun Expl. & Prod. Co.-Houston | Galveston | Cade-State Unit #1 | 5,500 | 16730615 |
| 115522 | Apr 17, 1981 | Apr 17, 1981 | Sun Expl. & Prod. Co.-Houston | Galveston | Zinn & Forman #5 | 7,850 | 16700930 |
| 113864 | Apr 2, 1981 | Apr 2, 1981 | Sun Expl. & Prod. Co.-Houston | Galveston | Zinn & Forman #13 | 7,663 | 16700924 |
| 118974 | Mar 27, 1981 | Mar 27, 1981 | Sun Expl. & Prod. Co.-Houston | Karnes | Moczygemba, V. T. #7 | 5,900 | 25500034 |
| 113383 | Mar 27, 1981 | Mar 27, 1981 | Sun Expl. & Prod. Co.-Houston | Jackson | Brooking, G.T. #38 | 9,128 | 23930448 |
| 113306 | Mar 26, 1981 | Mar 26, 1981 | Sun Expl. & Prod. Co.-Houston | Refugio | O'Brien, J.M. #44F | 3,615 | 39101053 |
| 113208 | Mar 25, 1981 | Mar 25, 1981 | Sun Expl. & Prod. Co.-Houston | Chambers | Evans Unit A #1 | 8,558 | 07101977 |
| 114362 | Mar 5, 1981 | Mar 5, 1981 | Sun Expl. & Prod. Co.-Houston | Galveston | State Tract 27 #2 | 5,350 | 16780753 |
| 113545 | Mar 5, 1981 | Mar 5, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Garcia, M. M. "L" #5 | 4,275 | 42703686 |
| 113514 | Mar 4, 1981 | Mar 4, 1981 | Sun Expl. & Prod. Co.-Houston | Wilson | E. Floresville (Poth Sand) Unit #2107 | 3,000 | 49330847 |
| 113513 | Mar 4, 1981 | Mar 4, 1981 | Sun Expl. & Prod. Co.-Houston | Wilson | E. Floresville (Poth Sand) Unit #206 | 3,000 | 49330846 |
| 109837 | Feb 27, 1981 | Feb 27, 1981 | Sun Expl. & Prod. Co.-Houston | Duval | Wiedkerkehr, L. #196 | 1,500 | 13133900 |
| 113239 | Feb 24, 1981 | Feb 24, 1981 | Sun Expl. & Prod. Co.-Houston | Galveston | Hudnall, Zinn & Forman Unit #2 | 6,225 | 16700928 |
| 109396 | Feb 24, 1981 | Feb 24, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | Garza, Sulema #1 | 4,900 | 42731508 |
| 109210 | Feb 23, 1981 | Feb 23, 1981 | Sun Expl. & Prod. Co.-Houston | Jim Hogg | Weil Brothers #40 | 6,150 | 24731200 |
| 108709 | Feb 18, 1981 | Feb 18, 1981 | Sun Expl. & Prod. Co.-Houston | Jackson | Brooking, G.T. #6 | 7,165 | 23903146 |
| 113240 | Feb 17, 1981 | Feb 17, 1981 | Sun Expl. & Prod. Co.-Houston | Jackson | Brooking, G. T. #32 | 6,750 | 23930363 |
| 113075 | Feb 10, 1981 | Feb 10, 1981 | Sun Expl. & Prod. Co.-Houston | Fayette | Moore, James A. #1 | 8,350 | 14930895 |
| 105616 | Jan 20, 1981 | Jan 20, 1981 | Sun Expl. & Prod. Co.-Houston | Starr | McLean, Marrs #24 | 4,650 | 42731449 |
| 106619 | Jan 14, 1981 | Jan 14, 1981 | Sun Expl. & Prod. Co.-Houston | Duval | Wiederkehr, L. #200 | 3,350 | 13135115 |
| 108598 | Jan 8, 1981 | Jan 8, 1981 | Sun Expl. & Prod. Co.-Houston | Chambers | Jackson, Felix et Al #65 | 8,400 | 07131089 |
| 104158 | Dec 31, 1980 | Dec 31, 1980 | Sun Expl. & Prod. Co.-Houston | Chambers | Jackson, Felix Etal #30 SWI | 8,377 | 07102319 |
| 103512 | Dec 31, 1980 | Dec 31, 1980 | Sun Expl. & Prod. Co.-Houston | Duval | Wiederkehr, L. #201W | 1,900 | 13135114 |
| 103258 | Dec 29, 1980 | Dec 29, 1980 | Sun Expl. & Prod. Co.-Houston | Wilson | Poth, Gloriana -a- Unit #42W | 1,850 | 49303183 |
| 114791 | Dec 22, 1980 | Dec 22, 1980 | Sun Expl. & Prod. Co.-Houston | Galveston | Simpton #6 | 8,100 | 16730799 |
| 100956 | Dec 4, 1980 | Dec 4, 1980 | Sun Expl. & Prod. Co.-Houston | Chambers | Doornbos, C. #6 | 8,700 | 07131124 |