| 352016 | Oct 31, 1988 | Oct 31, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Smith, F. B. 104 #16 | 3,125 | 46730714 |
| 352016Amendment | Oct 31, 1988 | Oct 31, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Smith, F. B. 104 #16 | 3,125 | 46730714 |
| 352623 | Oct 26, 1988 | Oct 26, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Bracken, J. A. 503 #9 | 3,190 | 46730718 |
| 352623Amendment | Oct 26, 1988 | Oct 26, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Bracken, J. A. 503 #9 | 3,190 | 46730718 |
| 352623Amendment | Oct 26, 1988 | Oct 26, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Bracken, J. A. 503 #9 | 3,190 | 46730718 |
| 352634 | Oct 24, 1988 | Oct 24, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Swain, W. F. 36 #7 | 3,200 | 46730717 |
| 352633 | Oct 24, 1988 | Oct 24, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Tunnell, I. P. 300 #10 | 3,110 | 46730716 |
| 351218 | Oct 11, 1988 | Oct 11, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Swain, O. L. 11 #16 | 2,310 | 46730712 |
| 349469 | Sep 26, 1988 | Sep 26, 1988 | Union Expl. Partners, Ltd. | Wharton | Lancaster, W. H. #7 | 7,500 | 48133003 |
| 349898 | Sep 2, 1988 | Sep 2, 1988 | Union Expl. Partners, Ltd. | Matagorda | Hurlock, Helen E. #3 | 9,015 | 32100625 |
| 350521 | Aug 29, 1988 | Aug 29, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Swain, W. F. 9 #7 | 2,939 | 46700708 |
| 350506 | Aug 26, 1988 | Aug 26, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Murphee, J. J. 31 #7 | 2,906 | 46730590 |
| 350197 | Aug 16, 1988 | Aug 16, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Peters, R. H. 29 #5 | 3,114 | 46700186 |
| 349796 | Aug 4, 1988 | Aug 4, 1988 | Union Expl. Partners, Ltd. | Van Zandt | York, Ella 102 #1 | 2,720 | 46700460 |
| 349284 | Aug 3, 1988 | Aug 3, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Swain, O. L. 11B #15 | 2,315 | 46730707 |
| 349286 | Jul 25, 1988 | Jul 25, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Howell, D. R. 45 #10 | 2,470 | 46730706 |
| 349286Amendment | Jul 25, 1988 | Jul 25, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Howell, D. R. 45 #10 | 3,135 | 46730706 |
| 349285 | Jul 25, 1988 | Jul 25, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Gilbert, H. C. 43 #9 | 2,470 | 46730705 |
| 349283 | Jul 25, 1988 | Jul 25, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Smith, L. A. 103 #9 | 2,480 | 46730704 |
| 348635 | Jul 7, 1988 | Jul 7, 1988 | Union Expl. Partners, Ltd. | Van Zandt | York, Ella 102 #15 | 3,100 | 46730403 |
| 348153 | Jun 23, 1988 | Jun 23, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Brawner, L.M. 10 #10 | 2,954 | 46700439 |
| 348152 | Jun 23, 1988 | Jun 23, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Wells, R.L. 47 #16 | 3,011 | 46700885 |
| 347866 | Jun 16, 1988 | Jun 16, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Fowler, B. M. 303 #3 | 2,962 | 46700657 |
| 347635 | Jun 13, 1988 | Jun 13, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Brawner, L. M. 10 #8 | 2,954 | 46700438 |
| 347198 | Jun 2, 1988 | Jun 2, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Swain, O. L. 11B #14 | 2,350 | 46730697 |
| 347198Amendment | Jun 2, 1988 | Jun 2, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Swain, O. L. 11 #14 | 3,050 | 46730697 |
| 347198Amendment | Jun 2, 1988 | Jun 2, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Swain, O. L. 11 #14 | 3,050 | 46730697 |
| 347198Amendment | Jun 2, 1988 | Jun 2, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Swain, O. L. 11 #14 | 3,050 | 46730697 |
| 346493 | May 13, 1988 | May 13, 1988 | Union Expl. Partners, Ltd. | Jackson | Spacek, Frank #8 | 6,440 | 23930409 |
| 346051 | May 9, 1988 | May 9, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Taylor, J. T. 33 #5 | 2,485 | 46730691 |
| 346050 | May 9, 1988 | May 9, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Smith, L. A. 103 #8 | 2,380 | 46730690 |
| 346049 | May 9, 1988 | May 9, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Thompson, J. T. 49 #12 | 2,470 | 46730692 |
| 346048 | May 9, 1988 | May 9, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Jarman, W. T. 37 #17 | 2,390 | 46730693 |
| 345199 | Apr 15, 1988 | Apr 15, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Cook, W. H. 42 #9 | 2,515 | 46730688 |
| 343488 | Mar 31, 1988 | Mar 31, 1988 | Union Expl. Partners, Ltd. | Jackson | Niebuhr, A. L. #8 | 6,400 | 23932052 |
| 342227 | Feb 26, 1988 | Feb 26, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Smith, F. B. 104 #7 | 2,989 | 46700497 |
| 343064 | Feb 23, 1988 | Feb 23, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Fowler, E. L. 302 #16 | 2,410 | 46730686 |
| 343064Amendment | Feb 23, 1988 | Feb 23, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Fowler, E. L. 302 #16 | 2,410 | 46730686 |
| 342461 | Feb 11, 1988 | Feb 11, 1988 | Union Expl. Partners, Ltd. | Van Zandt | White, R. V. 502 #7 | 2,430 | 46730683 |
| 342460 | Feb 11, 1988 | Feb 11, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Murphree, J. J. 31 #10 | 2,485 | 46730678 |
| 342459 | Feb 11, 1988 | Feb 11, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Wells, R. L. 47 #24 | 2,415 | 46730680 |
| 342458 | Feb 11, 1988 | Feb 11, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Shivers, J. R. 12 #9 | 2,400 | 46730679 |
| 342453 | Feb 11, 1988 | Feb 11, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Cumbie, J. 32 #3 | 2,410 | 46730682 |
| 336884 | Feb 8, 1988 | Feb 8, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Swain, O. L. 11 "B" #13 | 2,800 | 46730669 |
| 342228 | Feb 3, 1988 | Feb 3, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Fowler, B. M. 303 #2 | 3,028 | 46700659 |
| 342226 | Feb 3, 1988 | Feb 3, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Fowler, E. L. 302 #1 | 2,965 | 46700711 |
| 342225 | Feb 3, 1988 | Feb 3, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Tunnell, A. R. 59 #1 | 3,010 | 46700686 |
| 342052 | Feb 3, 1988 | Feb 3, 1988 | Union Expl. Partners, Ltd. | Matagorda | Law, Russell #1 | 17,000 | 32131563 |
| 341022 | Jan 8, 1988 | Jan 8, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Wells, R. L. 46 #5 | 2,485 | 46730676 |
| 341020 | Jan 8, 1988 | Jan 8, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Maxfield, A. G. 38 #13 | 2,835 | 46730675 |
| 340012 | Jan 7, 1988 | Jan 7, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Smith, L. A. 103 #1 | 2,950 | 46700499 |
| 341021 | Jan 6, 1988 | Jan 6, 1988 | Union Expl. Partners, Ltd. | Van Zandt | Murphee, J. J. 31 #9 | 2,905 | 46730674 |
| 339383 | Dec 31, 1987 | Dec 31, 1987 | Union Expl. Partners, Ltd. | Matagorda | Hurlock, Helen E. #4 | 8,994 | 32100626 |
| 340015 | Dec 14, 1987 | Dec 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Jarman, W. T. 37 #8 | 3,227 | 46700221 |
| 340014 | Dec 14, 1987 | Dec 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | White, W. H. 504 #1 | 2,950 | 46700602 |
| 340013 | Dec 14, 1987 | Dec 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Stewart, J. C. 48 #1 | 2,910 | 46700858 |
| 339383Amendment | Dec 10, 1987 | Dec 10, 1987 | Union Expl. Partners, Ltd. | Matagorda | Hurlock, Helen E. #4 | 8,994 | 32100626 |
| 339254 | Nov 23, 1987 | Nov 23, 1987 | Union Expl. Partners, Ltd. | Fort Bend | Petrusek, A. E. #1 | 8,500 | 15731769 |
| 337867 | Oct 23, 1987 | Oct 23, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Tunnell, I. P. 300 #3 | 3,015 | 46700735 |
| 337866 | Oct 23, 1987 | Oct 23, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Clark, A. D. 80 #10 | 3,005 | 46700787 |
| 337864 | Oct 23, 1987 | Oct 23, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Central Van Woodbine Unit #3716 | 3,100 | 46730672 |
| 336335 | Oct 5, 1987 | Oct 5, 1987 | Union Expl. Partners, Ltd. | Jackson | Fowler, W. B. #5 | 6,100 | 23932376 |
| 335937 | Sep 14, 1987 | Sep 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Howell, D. R. 45* #5 | 2,955 | 46700880 |
| 335937Amendment | Sep 14, 1987 | Sep 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Howell, D. R. 45* #5 | 2,955 | 46700880 |
| 335936 | Sep 14, 1987 | Sep 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Thompson, I. W. 401 #12 | 2,440 | 46730668 |
| 335935 | Sep 14, 1987 | Sep 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Jarman, W.T. 37 #1 | 2,947 | 46700230 |
| 335934 | Sep 14, 1987 | Sep 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Thompson, I. W. 401 #11 | 2,350 | 46730667 |
| 335933 | Sep 14, 1987 | Sep 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Bracken, J.A. 35 #12 | 2,485 | 46730666 |
| 335932 | Sep 14, 1987 | Sep 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | York, W.A. 13 #1 | 2,944 | 46700554 |
| 335932Amendment | Sep 14, 1987 | Sep 14, 1987 | Union Expl. Partners, Ltd. | Van Zandt | York, W.A. 13 #1 | 2,944 | 46700554 |
| 334092 | Aug 19, 1987 | Aug 19, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Bracken, J. A. 35 #8 | 2,993 | 46700628 |
| 334376 | Aug 12, 1987 | Aug 12, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Swain, W. F. 36 #2 | 3,002 | 46700620 |
| 331511 | Jul 10, 1987 | Jul 10, 1987 | Union Expl. Partners, Ltd. | Jackson | Mauritz, T.N. #9 | 6,416 | 23932293 |
| 331392 | Jul 6, 1987 | Jul 6, 1987 | Union Expl. Partners, Ltd. | Jackson | Niebuhr, A. L. #10 | 6,416 | 23932298 |
| 332132 | Jun 26, 1987 | Jun 26, 1987 | Union Expl. Partners, Ltd. | Jackson | Cravens, J. R. #6 | 6,100 | 23932357 |
| 330928 | Jun 3, 1987 | Jun 3, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Shivers, J. R. 12 #8 | 2,764 | 46730651 |
| 329981 | May 13, 1987 | May 13, 1987 | Union Expl. Partners, Ltd. | Madison | Long, W. B. #1 | 9,200 | 31330655 |
| 329822 | May 11, 1987 | May 11, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Central Van Woodbine Unit #366 | 3,300 | 46730661 |
| 329733 | May 1, 1987 | May 1, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Central Van Woodbine Unit #4011A | 3,300 | 46730660 |
| 327480 | Apr 2, 1987 | Apr 2, 1987 | Union Expl. Partners, Ltd. | Jackson | Niebuhr, A. L. #8 | 6,400 | 23932052 |
| 327683 | Mar 12, 1987 | Mar 12, 1987 | Union Expl. Partners, Ltd. | Jackson | Wiese, Della #7D | 6,340 | 23903316 |
| 326488 | Feb 24, 1987 | Feb 24, 1987 | Union Expl. Partners, Ltd. | Wharton | Lancaster, W. H. #5 | 7,204 | 48101744 |
| 325873 | Feb 6, 1987 | Feb 6, 1987 | Union Expl. Partners, Ltd. | Galveston | Stewart, Maco #10 | 8,050 | 16731127 |
| 325873Amendment | Feb 6, 1987 | Feb 6, 1987 | Union Expl. Partners, Ltd. | Galveston | Stewart, Maco #10 | 8,050 | 16731127 |
| 325873Amendment | Feb 6, 1987 | Feb 6, 1987 | Union Expl. Partners, Ltd. | Galveston | Stewart, Maco #10 | 8,050 | 16731127 |
| 325713 | Feb 4, 1987 | Feb 4, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Central Van Woodbine Unit #4723 | 3,200 | 46730657 |
| 325188 | Jan 8, 1987 | Jan 8, 1987 | Union Expl. Partners, Ltd. | Van Zandt | Central Van Woodbine Unit #5013H | 3,200 | 46730656 |
| 320404 | Dec 22, 1986 | Dec 22, 1986 | Union Expl. Partners, Ltd. | Van Zandt | Bracken, V. T. 35 #11 | 3,100 | 46730649 |
| 320402 | Dec 22, 1986 | Dec 22, 1986 | Union Expl. Partners, Ltd. | Van Zandt | White, R. V. 502 #6 | 3,050 | 46730648 |
| 321986 | Nov 19, 1986 | Nov 19, 1986 | Union Expl. Partners, Ltd. | Wharton | Lancaster, W. H. #7 | 7,500 | 48133003 |
| 320366 | Sep 20, 1986 | Sep 20, 1986 | Union Expl. Partners, Ltd. | Van Zandt | Shivers, J. R. 12 #8 | 2,790 | 46730651 |
| 320366Amendment | Sep 20, 1986 | Sep 20, 1986 | Union Expl. Partners, Ltd. | Van Zandt | Shivers, J. R. 12 #8 | 2,790 | 46730651 |
| 320405 | Sep 16, 1986 | Sep 16, 1986 | Union Expl. Partners, Ltd. | Van Zandt | Thomson, I. W. 401 #9 | 3,217 | 46730650 |
| 333185 | Jul 23, 1986 | Jul 23, 1986 | Union Expl. Partners, Ltd. | Van Zandt | White, C. 61 #4 | 2,954 | 46700647 |
| 303956 | Jul 7, 1986 | Jul 7, 1986 | Union Expl. Partners, Ltd. | Jackson | Neibuhr, A. L. #10 | 6,400 | 23932298 |
| 303511 | Jun 23, 1986 | Jun 23, 1986 | Union Expl. Partners, Ltd. | Van Zandt | Miller, I. D. 34 #9 | 3,112 | 46700705 |
| 303107 | Jun 10, 1986 | Jun 10, 1986 | Union Expl. Partners, Ltd. | Jackson | Mauritz, T. N. #9 | 6,400 | 23932293 |
| 303110 | Jun 10, 1986 | Jun 10, 1986 | Union Expl. Partners, Ltd. | Jackson | Wiese, Della #10 | 6,400 | 23932294 |
| 302963 | Jun 5, 1986 | Jun 5, 1986 | Union Expl. Partners, Ltd. | Jackson | Spacek, Frank #8 | 6,440 | 23930409 |
| 302288 | May 19, 1986 | May 19, 1986 | Union Expl. Partners, Ltd. | Jackson | Spacek, Frank #11 | 6,612 | 23932154 |