| 718021 | Jun 27, 2011 | Jun 27, 2011 | Heydrick Petroleum Company | Wichita | Birk #7 | 4,210 | 48501677 |
| 429447 | Oct 26, 1994 | Oct 26, 1994 | Heydrick Petroleum Company | Young | Prid - Sikes #1 | 4,200 | 50340614 |
| 407236 | Dec 22, 1992 | Dec 22, 1992 | Heydrick Petroleum Company | Haskell | Cloud #1 | 5,925 | 20731987 |
| 398411 | Apr 17, 1992 | Apr 17, 1992 | Heydrick Petroleum Company | Wichita | Preston #9 | 1,450 | 48542579 |
| 398411Amendment | Apr 17, 1992 | Apr 17, 1992 | Heydrick Petroleum Company | Wichita | Preston #9 | 1,790 | 48542579 |
| 398410 | Apr 17, 1992 | Apr 17, 1992 | Heydrick Petroleum Company | Wichita | Preston #10 | 600 | 48542578 |
| 395605 | Jan 17, 1992 | Jan 17, 1992 | Heydrick Petroleum Company | Archer | Ray #1 | 4,300 | 00940564 |
| 383018 | Jan 3, 1991 | Jan 3, 1991 | Heydrick Petroleum Company | Clay | Wetsel #1 | 4,600 | 07734394 |
| 377273 | Aug 31, 1990 | Aug 31, 1990 | Heydrick Petroleum Company | Archer | Hulse #1 | 5,200 | 00940325 |
| 356109 | Feb 16, 1989 | Feb 16, 1989 | Heydrick Petroleum Company | Archer | Frerich #1 | 6,200 | 00940053 |
| 347653 | Jun 15, 1988 | Jun 15, 1988 | Heydrick Petroleum Company | Wise | Manning, E. O. #5A | 2,500 | 49733312 |
| 342729 | Feb 22, 1988 | Feb 22, 1988 | Heydrick Petroleum Company | Baylor | Upshur County School Land #1075 | 5,300 | 02331347 |
| 342729Amendment | Feb 22, 1988 | Feb 22, 1988 | Heydrick Petroleum Company | Baylor | U.C.S.L. "A" #1075 | 5,300 | 02331347 |
| 333147 | Jul 24, 1987 | Jul 24, 1987 | Heydrick Petroleum Company | Clay | Veitenheimer "C" #7C | 6,191 | 07732995 |
| 332155 | Jul 1, 1987 | Jul 1, 1987 | Heydrick Petroleum Company | Wichita | Waggoner, J & J #11 | 4,100 | 48541426 |
| 291755 | Dec 4, 1985 | Dec 4, 1985 | Heydrick Petroleum Company | Clay | Mathis #1 | 2,000 | 07733953 |
| 281662 | Aug 2, 1985 | Aug 2, 1985 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #1C | 6,169 | 07732559 |
| 275531 | May 16, 1985 | May 16, 1985 | Heydrick Petroleum Company | Clay | Wines, Fred Estate #6 | 6,050 | 07733280 |
| 272603 | Apr 18, 1985 | Apr 18, 1985 | Heydrick Petroleum Company | Montague | Shackelford, K. #1SW | 4,200 | 33732071 |
| 260392 | Dec 10, 1984 | Dec 10, 1984 | Heydrick Petroleum Company | Wichita | Burnett, T. L. Estate #1C | 4,250 | 48540201 |
| 256081 | Oct 30, 1984 | Oct 30, 1984 | Heydrick Petroleum Company | Montague | K. Shackelford Unit #1 | 7,500 | 33732450 |
| 253182 | Oct 2, 1984 | Oct 2, 1984 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #9C | 6,148 | 07733125 |
| 247448 | Aug 7, 1984 | Aug 7, 1984 | Heydrick Petroleum Company | Wichita | Burnett, T. L. Estate "B" #1B | 4,250 | 48539934 |
| 247409 | Aug 6, 1984 | Aug 6, 1984 | Heydrick Petroleum Company | Clay | Lindeman, al R. #4 | 6,200 | 07733479 |
| 247437 | Aug 6, 1984 | Aug 6, 1984 | Heydrick Petroleum Company | Wichita | Burnett, T. L. Estate "A" #1A | 4,250 | 48501146 |
| 240123 | May 25, 1984 | May 25, 1984 | Heydrick Petroleum Company | Clay | Lindeman, Arnold #1 | 6,200 | 07733425 |
| 233330 | Mar 22, 1984 | Mar 22, 1984 | Heydrick Petroleum Company | Montague | Veretto-Fenoglio #2 | 5,000 | 33702240 |
| 231385 | Mar 6, 1984 | Mar 6, 1984 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "B" #7B | 6,300 | 07733359 |
| 230149 | Feb 22, 1984 | Feb 22, 1984 | Heydrick Petroleum Company | Montague | Veretto-Fenoglio #1 | 7,600 | 33732314 |
| 225818 | Dec 30, 1983 | Dec 30, 1983 | Heydrick Petroleum Company | Clay | Wines, Fred Estate #6 | 6,000 | 07733280 |
| 208404 | Aug 30, 1983 | Aug 30, 1983 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #8 | 6,250 | 07733124 |
| 208405 | Aug 30, 1983 | Aug 30, 1983 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #9C | 6,200 | 07733125 |
| 208408 | Aug 30, 1983 | Aug 30, 1983 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #10C | 6,300 | 07733126 |
| 205384 | Aug 12, 1983 | Aug 12, 1983 | Heydrick Petroleum Company | Wichita | Waggoner, J & J #10 | 4,024 | 48591926 |
| 205374 | Aug 12, 1983 | Aug 12, 1983 | Heydrick Petroleum Company | Wichita | Chilton, E. L. et Al #4 | 4,100 | 48539093 |
| 197000 | Jun 2, 1983 | Jun 2, 1983 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #2 | 3,950 | 07731039 |
| 196321 | May 25, 1983 | May 25, 1983 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #7C | 6,200 | 07732995 |
| 196319 | May 25, 1983 | May 25, 1983 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #6C | 6,200 | 07732994 |
| 195914 | May 23, 1983 | May 23, 1983 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #5C | 6,200 | 07730233 |
| 191175 | Apr 11, 1983 | Apr 11, 1983 | Heydrick Petroleum Company | Clay | Veitenheimer, Albert "C" #4C D | 1,300 | 07730387 |
| 182772 | Dec 31, 1982 | Dec 31, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, Albert "C" #4C D | 1,300 | 07730387 |
| 181680 | Dec 30, 1982 | Dec 30, 1982 | Heydrick Petroleum Company | Clay | Lindeman, al R. #3 | 6,200 | 07732835 |
| 181600 | Dec 30, 1982 | Dec 30, 1982 | Heydrick Petroleum Company | Montague | Copeland Unit #2 | 6,900 | 33732025 |
| 170307 | Aug 27, 1982 | Aug 27, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. B. J. #1ABJ | 6,191 | 07732736 |
| 167172 | Jul 26, 1982 | Jul 26, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, G. #1 | 6,300 | 07732704 |
| 167166 | Jul 26, 1982 | Jul 26, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. #6B | 6,200 | 07732703 |
| 155850 | Apr 7, 1982 | Apr 7, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #4C | 6,200 | 07730233 |
| 155847 | Apr 7, 1982 | Apr 7, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #3C | 6,200 | 07732610 |
| 154264 | Mar 23, 1982 | Mar 23, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #2C | 1,200 | 07732602 |
| 154263 | Mar 23, 1982 | Mar 23, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #3C | 1,200 | 07732601 |
| 154261 | Mar 23, 1982 | Mar 23, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #4C | 1,200 | 07732600 |
| 154258 | Mar 23, 1982 | Mar 23, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #5C | 1,200 | 07732599 |
| 154257 | Mar 23, 1982 | Mar 23, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #6C | 1,200 | 07732598 |
| 154254 | Mar 23, 1982 | Mar 23, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #7C | 1,200 | 07732597 |
| 154251 | Mar 23, 1982 | Mar 23, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "C" #8C | 1,250 | 07782544 |
| 150344 | Feb 10, 1982 | Feb 10, 1982 | Heydrick Petroleum Company | Clay | Veitenheimer, A. #1C | 6,200 | 07732559 |
| 146943 | Dec 31, 1981 | Dec 31, 1981 | Heydrick Petroleum Company | Clay | Lindeman, Al #2 | 6,200 | 07732467 |
| 143529 | Dec 10, 1981 | Dec 10, 1981 | Heydrick Petroleum Company | Clay | Veitenheimer, A. #5B | 6,200 | 07732482 |
| 143526 | Dec 10, 1981 | Dec 10, 1981 | Heydrick Petroleum Company | Clay | Veitenheimer, A. #4B | 5,700 | 07732481 |
| 140852 | Nov 17, 1981 | Nov 17, 1981 | Heydrick Petroleum Company | Clay | Lindeman, Al #1 D | 1,400 | 07732450 |
| 119338 | Apr 13, 1981 | Apr 13, 1981 | Heydrick Petroleum Company | Clay | Lindeman, al R. #1 | 6,400 | 07732196 |
| 119324 | Apr 13, 1981 | Apr 13, 1981 | Heydrick Petroleum Company | Clay | Lindeman, A.R. #1 | 6,152 | 07732196 |
| 110570 | Mar 3, 1981 | Mar 3, 1981 | Heydrick Petroleum Company | Clay | Veitenheimer, P. #1 | 5,400 | 07732109 |
| 96350 | Oct 22, 1980 | Oct 22, 1980 | Heydrick Petroleum Company | Clay | Peden, L. M. et Al #2 | 5,850 | 07731706 |
| 95648 | Oct 15, 1980 | Oct 15, 1980 | Heydrick Petroleum Company | Clay | Veitenheimer, A. #3-B | 6,200 | 07731934 |
| 94972 | Oct 7, 1980 | Oct 7, 1980 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #10 | 5,827 | 07731914 |
| 94971 | Oct 7, 1980 | Oct 7, 1980 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #9 | 5,900 | 07731913 |
| 94968 | Oct 7, 1980 | Oct 7, 1980 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #8 | 5,900 | 07731912 |
| 86420 | Jul 14, 1980 | Jul 14, 1980 | Heydrick Petroleum Company | Clay | Wines, Fred Estate #1 | 5,659 | 07730457 |
| 86395 | Jul 9, 1980 | Jul 9, 1980 | Heydrick Petroleum Company | Clay | Wines, Fred Estate #3 | 5,625 | 07730592 |
| 80279 | May 5, 1980 | May 5, 1980 | Heydrick Petroleum Company | Clay | Veitenheimer, A. "B" #1-B | 6,200 | 07730391 |
| 76712 | Mar 31, 1980 | Mar 31, 1980 | Heydrick Petroleum Company | Clay | Peden, L. M. Etal #2 | 5,850 | 07731706 |
| 72818 | Feb 19, 1980 | Feb 19, 1980 | Heydrick Petroleum Company | Clay | Hoff-Osmond #1 | 6,100 | 07731666 |
| 72694 | Feb 14, 1980 | Feb 14, 1980 | Heydrick Petroleum Company | Clay | Peden, L. M. et al "A" #1A | 6,010 | 07731231 |
| 69900 | Jan 11, 1980 | Jan 11, 1980 | Heydrick Petroleum Company | Clay | Peden, L. M. et al "A" #2A | 6,000 | 07731334 |
| 63725 | Nov 12, 1979 | Nov 12, 1979 | Heydrick Petroleum Company | Clay | Peden, L. M. et al "A" #2A | 6,000 | 07731334 |
| 63185 | Nov 8, 1979 | Nov 8, 1979 | Heydrick Petroleum Company | Clay | Veitenheimer, A. #2B | 6,400 | 07731544 |
| 56895 | Aug 31, 1979 | Aug 31, 1979 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #7 | 6,100 | 07731463 |
| 51551 | Jun 25, 1979 | Jun 25, 1979 | Heydrick Petroleum Company | Clay | Browning, Short #2 | 5,943 | 07730572 |
| 50626 | Jun 13, 1979 | Jun 13, 1979 | Heydrick Petroleum Company | Clay | Peden, L. M. "A" #1SWD-A | 1,200 | 07702155 |
| 50418 | Jun 11, 1979 | Jun 11, 1979 | Heydrick Petroleum Company | Wichita | Dierkson, Lester #1 | 5,878 | 48535562 |
| 44106 | Mar 12, 1979 | Mar 12, 1979 | Heydrick Petroleum Company | Clay | Schottenfels, Estelle #1 | 6,183 | 07731349 |
| 42247 | Feb 9, 1979 | Feb 9, 1979 | Heydrick Petroleum Company | Clay | Cowley, J. #1 | 6,000 | 07731337 |
| 38311 | Dec 7, 1978 | Dec 7, 1978 | Heydrick Petroleum Company | Wichita | Chil-Wagg Unit "A" #1-A | 4,100 | 48535257 |
| 38072 | Dec 5, 1978 | Dec 5, 1978 | Heydrick Petroleum Company | Wichita | Waggoner, J & J #9 | 4,100 | 48535251 |
| 33782 | Oct 2, 1978 | Oct 2, 1978 | Heydrick Petroleum Company | Clay | Peden, L. M. et al "A" #1-A | 5,900 | 07731231 |
| 33646 | Sep 28, 1978 | Sep 28, 1978 | Heydrick Petroleum Company | Clay | Reedy, C. E. #2 | 6,106 | 07731226 |
| 32012 | Sep 6, 1978 | Sep 6, 1978 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #6 | 5,729 | 07731210 |
| 31971 | Sep 5, 1978 | Sep 5, 1978 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #1 | 5,855 | 07782483 |
| 31968 | Sep 5, 1978 | Sep 5, 1978 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #5 | 4,000 | 07731203 |
| 23245 | May 1, 1978 | May 1, 1978 | Heydrick Petroleum Company | Montague | Franks et Al #1 | 6,461 | 33731087 |
| 22471 | Apr 19, 1978 | Apr 19, 1978 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #4 | 5,850 | 07731129 |
| 22470 | Apr 19, 1978 | Apr 19, 1978 | Heydrick Petroleum Company | Clay | Spring, Earl Estate #3 | 5,850 | 07731128 |
| 16467 | Jan 12, 1978 | Jan 12, 1978 | Heydrick Petroleum Company | Clay | Wines, Fred Estate "B" #4-B | 6,150 | 07731080 |
| 5647 | Oct 24, 1977 | Oct 24, 1977 | Heydrick Petroleum Company | Clay | Wines, Fred Estate "B" #3-B | 6,110 | 07731010 |
| 5646 | Oct 24, 1977 | Oct 24, 1977 | Heydrick Petroleum Company | Clay | Wines, Fred Estate "B" #2-B | 5,743 | 07731009 |
| 9387 | Oct 7, 1977 | Oct 7, 1977 | Heydrick Petroleum Company | Clay | Spring, Earl Est. #2 | 5,900 | 07731039 |
| 8939 | Oct 3, 1977 | Oct 3, 1977 | Heydrick Petroleum Company | Clay | Peden, L. M. et Al #1 | 6,013 | 07731036 |
| 3544 | Sep 12, 1977 | Sep 12, 1977 | Heydrick Petroleum Company | Clay | Wines, Fred Estate "B" #1-B | 6,101 | 07730984 |
| 473 | Sep 9, 1977 | Sep 9, 1977 | Heydrick Petroleum Company | Clay | Wines, Corkey #4 | 5,900 | 07730963 |