| 275319 | May 6, 1985 | May 6, 1985 | Hamco Exploration Development Co | Taylor | Tittle, B. J. #2 | 5,400 | 44131560 |
| 238496 | May 11, 1984 | May 11, 1984 | Hamco Exploration Development Co | Jones | Altum-Shaw #1 | 4,000 | 25332956 |
| 221302 | Nov 18, 1983 | Nov 18, 1983 | Hamco Exploration Development Co | Jefferson | Broussard Mixon Land Co. #1 | 8,700 | 24531736 |
| 208443 | Aug 30, 1983 | Aug 30, 1983 | Hamco Exploration Development Co | Taylor | Whitehurst #1 | 4,480 | 44132567 |
| 207479 | Aug 25, 1983 | Aug 25, 1983 | Hamco Exploration Development Co | Taylor | Cox #1 | 3,450 | 44132855 |
| 207463 | Aug 25, 1983 | Aug 25, 1983 | Hamco Exploration Development Co | Haskell | Cothron #1 | 4,600 | 20731446 |
| 207465 | Aug 25, 1983 | Aug 25, 1983 | Hamco Exploration Development Co | Jones | Sloan #2 | 3,275 | 25332676 |
| 203104 | Jul 27, 1983 | Jul 27, 1983 | Hamco Exploration Development Co | Jones | Hamco-Sloan #1 | 3,950 | 25332627 |
| 197512 | Jun 7, 1983 | Jun 7, 1983 | Hamco Exploration Development Co | Taylor | Sandusky, J. L. #2 | 3,300 | 44132434 |
| 197232 | Jun 3, 1983 | Jun 3, 1983 | Hamco Exploration Development Co | Live Oak | Weathersby, Hamco #1 | 6,000 | 29733318 |
| 195291 | May 17, 1983 | May 17, 1983 | Hamco Exploration Development Co | Taylor | Sandusky, J. L. #1 | 3,300 | 44132417 |
| 191921 | Apr 19, 1983 | Apr 19, 1983 | Hamco Exploration Development Co | Liberty | North Neal Hill Unit RE-Entry #1 | 7,450 | 29131464 |
| 191283 | Apr 12, 1983 | Apr 12, 1983 | Hamco Exploration Development Co | Taylor | Hamco-Tipton #1B | 3,750 | 44132389 |
| 190607 | Apr 5, 1983 | Apr 5, 1983 | Hamco Exploration Development Co | Taylor | Tipton, S. G.estate #1 | 3,350 | 44132379 |
| 188928 | Mar 15, 1983 | Mar 15, 1983 | Hamco Exploration Development Co | Taylor | Hamco-Tipton #1A | 3,750 | 44132368 |
| 188303 | Mar 14, 1983 | Mar 14, 1983 | Hamco Exploration Development Co | Live Oak | Carwright, Holman #2 | 4,380 | 29733286 |
| 179603 | Dec 10, 1982 | Dec 10, 1982 | Hamco Exploration Development Co | Jefferson | Hamco-Phelan #4 | 8,750 | 24531625 |
| 178388 | Nov 29, 1982 | Nov 29, 1982 | Hamco Exploration Development Co | Taylor | Hamco-Tipton #1 | 2,850 | 44132295 |
| 178387 | Nov 29, 1982 | Nov 29, 1982 | Hamco Exploration Development Co | Taylor | Hamco-Tipton #2 | 2,700 | 44132294 |
| 176581 | Nov 4, 1982 | Nov 4, 1982 | Hamco Exploration Development Co | Coleman | Herring, E. D. #7 | 3,650 | 08333222 |
| 176580 | Nov 4, 1982 | Nov 4, 1982 | Hamco Exploration Development Co | Coleman | Herring, E. D. #8 | 3,650 | 08333221 |
| 176579 | Nov 4, 1982 | Nov 4, 1982 | Hamco Exploration Development Co | Runnels | Herring, E. D. #9 | 3,600 | 39932605 |
| 176577 | Nov 4, 1982 | Nov 4, 1982 | Hamco Exploration Development Co | Runnels | Herring, E. D. #10 | 3,650 | 39932604 |
| 174452 | Oct 15, 1982 | Oct 15, 1982 | Hamco Exploration Development Co | Taylor | Hamco-Farmer #2 | 2,900 | 44132270 |
| 172737 | Sep 23, 1982 | Sep 23, 1982 | Hamco Exploration Development Co | Taylor | Hamco-Farmer #1 | 2,900 | 44132259 |
| 171045 | Sep 7, 1982 | Sep 7, 1982 | Hamco Exploration Development Co | Runnels | Hamco-Ernst #1 | 4,400 | 39930720 |
| 179141 | Jul 30, 1982 | Jul 30, 1982 | Hamco Exploration Development Co | Jefferson | Phelan, Hamco #3 | 8,820 | 24531623 |
| 153707 | Mar 17, 1982 | Mar 17, 1982 | Hamco Exploration Development Co | Jefferson | Phelan, Hamco #2 | 8,196 | 24531582 |
| 146872 | Dec 31, 1981 | Dec 31, 1981 | Hamco Exploration Development Co | Liberty | North Neal Hill #2 | 7,483 | 29131484 |
| 143082 | Dec 7, 1981 | Dec 7, 1981 | Hamco Exploration Development Co | Jefferson | Hamco Phelan #1 | 8,750 | 24531561 |
| 136887 | Oct 19, 1981 | Oct 19, 1981 | Hamco Exploration Development Co | Colorado | Willis Estate #1 | 7,000 | 08931273 |
| 131651 | Aug 31, 1981 | Aug 31, 1981 | Hamco Exploration Development Co | Liberty | North Neal Hill Unit #1 | 8,506 | 29131464 |
| 128415 | Aug 4, 1981 | Aug 4, 1981 | Hamco Exploration Development Co | Jones | Fomby, W.W. #1 | 4,250 | 25331960 |
| 121471 | Jun 17, 1981 | Jun 17, 1981 | Hamco Exploration Development Co | Jones | Swenson Land and Cattle #1 | 4,000 | 25331886 |
| 121466 | Jun 9, 1981 | Jun 9, 1981 | Hamco Exploration Development Co | Jones | Mayfield, Vernon #1 | 4,700 | 25331885 |
| 118790 | May 20, 1981 | May 20, 1981 | Hamco Exploration Development Co | Taylor | Atwood, W.R. #2 | 4,483 | 44131884 |
| 118787 | May 20, 1981 | May 20, 1981 | Hamco Exploration Development Co | Taylor | Atwood, W.R. #3 | 5,000 | 44131883 |
| 113845 | Apr 2, 1981 | Apr 2, 1981 | Hamco Exploration Development Co | Coleman | Herring, E.D. #4 | 3,600 | 08332482 |
| 113844 | Apr 2, 1981 | Apr 2, 1981 | Hamco Exploration Development Co | Coleman | Herring, E.D. #5 | 3,600 | 08332481 |
| 113843 | Apr 2, 1981 | Apr 2, 1981 | Hamco Exploration Development Co | Coleman | Herring, E.D. #3 | 3,600 | 08332480 |
| 113842 | Apr 2, 1981 | Apr 2, 1981 | Hamco Exploration Development Co | Coleman | Herring, E.D. #6 | 3,600 | 08332479 |
| 108783 | Feb 18, 1981 | Feb 18, 1981 | Hamco Exploration Development Co | Eastland | Wright, L. #3 | 3,800 | 13332822 |
| 108371 | Feb 12, 1981 | Feb 12, 1981 | Hamco Exploration Development Co | Taylor | Brown #1 | 4,600 | 44131820 |
| 107203 | Feb 2, 1981 | Feb 2, 1981 | Hamco Exploration Development Co | Taylor | Tisdale, A. #1 | 4,600 | 44131807 |
| 106193 | Jan 26, 1981 | Jan 26, 1981 | Hamco Exploration Development Co | Runnels | Hoppe, W. #2-B | 4,500 | 39931898 |
| 106192 | Jan 26, 1981 | Jan 26, 1981 | Hamco Exploration Development Co | Runnels | Spill, Walter #4-B | 4,000 | 39931897 |
| 102009 | Dec 12, 1980 | Dec 12, 1980 | Hamco Exploration Development Co | Taylor | Atwood, W. R. #1 | 5,000 | 44131768 |
| 98536 | Nov 10, 1980 | Nov 10, 1980 | Hamco Exploration Development Co | Runnels | Spill, Walter #3 B | 4,225 | 39931796 |
| 98085 | Nov 5, 1980 | Nov 5, 1980 | Hamco Exploration Development Co | Jones | Ray, R. F. #2 | 4,100 | 25331665 |
| 98055 | Nov 5, 1980 | Nov 5, 1980 | Hamco Exploration Development Co | Jones | Fomby, J. W. #1 | 4,100 | 25331664 |
| 97343 | Oct 28, 1980 | Oct 28, 1980 | Hamco Exploration Development Co | Runnels | Spill, Walter #2-B | 4,200 | 39931777 |
| 96710 | Oct 24, 1980 | Oct 24, 1980 | Hamco Exploration Development Co | Taylor | Watson, W.D. #2 | 5,130 | 44131720 |
| 96360 | Oct 22, 1980 | Oct 22, 1980 | Hamco Exploration Development Co | Runnels | Roper, M.D. #1 | 4,738 | 39931767 |
| 93806 | Sep 25, 1980 | Sep 25, 1980 | Hamco Exploration Development Co | Taylor | Tittle, C. R. #1A | 5,300 | 44133665 |
| 93805 | Sep 25, 1980 | Sep 25, 1980 | Hamco Exploration Development Co | Taylor | Tittle, C. R. #6 | 5,300 | 44131700 |
| 90173 | Aug 19, 1980 | Aug 19, 1980 | Hamco Exploration Development Co | Runnels | Poe Estate #2 | 4,740 | 39931702 |
| 89033 | Aug 7, 1980 | Aug 7, 1980 | Hamco Exploration Development Co | Taylor | Watson, W. D. #1 | 5,200 | 44131660 |
| 89031 | Aug 7, 1980 | Aug 7, 1980 | Hamco Exploration Development Co | Taylor | Wheeler, W. M. #1 | 5,120 | 44131659 |
| 84427 | Jun 20, 1980 | Jun 20, 1980 | Hamco Exploration Development Co | Taylor | Tittle, C. R. #3A | 5,014 | 44131630 |
| 84148 | Jun 17, 1980 | Jun 17, 1980 | Hamco Exploration Development Co | Taylor | Sipe, R. #3 | 5,300 | 44131625 |
| 79492 | Apr 28, 1980 | Apr 28, 1980 | Hamco Exploration Development Co | Runnels | Hunter, Memry #2 | 4,650 | 39931611 |
| 79211 | Apr 25, 1980 | Apr 25, 1980 | Hamco Exploration Development Co | Runnels | Poe Estate #1 | 4,745 | 39931607 |
| 78425 | Apr 16, 1980 | Apr 16, 1980 | Hamco Exploration Development Co | Taylor | Tittle, C. R. #5 | 5,040 | 44131585 |
| 80492 | Apr 15, 1980 | Apr 15, 1980 | Hamco Exploration Development Co | Runnels | Hord, R. H. #2 | 4,550 | 39931594 |
| 77918 | Apr 11, 1980 | Apr 11, 1980 | Hamco Exploration Development Co | Taylor | Sipe, L. #4 | 5,300 | 44131581 |
| 76458 | Mar 28, 1980 | Mar 28, 1980 | Hamco Exploration Development Co | Taylor | Tittle, C. R. #3 | 5,030 | 44131576 |
| 74575 | Mar 7, 1980 | Mar 7, 1980 | Hamco Exploration Development Co | Taylor | Tittle, B. J. #2 | 5,400 | 44131560 |
| 74573 | Mar 7, 1980 | Mar 7, 1980 | Hamco Exploration Development Co | Taylor | Sipe, L. #1 | 5,400 | 44131559 |
| 74572 | Mar 7, 1980 | Mar 7, 1980 | Hamco Exploration Development Co | Taylor | Sipe, L. #2 | 5,400 | 44131558 |
| 74571 | Mar 7, 1980 | Mar 7, 1980 | Hamco Exploration Development Co | Taylor | Tittle, C. R. #4 | 5,020 | 44131557 |
| 73210 | Feb 21, 1980 | Feb 21, 1980 | Hamco Exploration Development Co | Taylor | Tittle, B. J. #1 | 5,300 | 44131547 |
| 73193 | Feb 21, 1980 | Feb 21, 1980 | Hamco Exploration Development Co | Taylor | Tittle, C. R. #2 | 5,300 | 44131546 |
| 71544 | Feb 4, 1980 | Feb 4, 1980 | Hamco Exploration Development Co | Runnels | Memry-Hunter #1A | 4,650 | 39931523 |
| 68532 | Jan 4, 1980 | Jan 4, 1980 | Hamco Exploration Development Co | Runnels | Spill, Walter #1B | 4,000 | 39931493 |
| 68530 | Jan 4, 1980 | Jan 4, 1980 | Hamco Exploration Development Co | Runnels | Simpson, Rosalie #1 | 4,750 | 39931492 |
| 68529 | Jan 4, 1980 | Jan 4, 1980 | Hamco Exploration Development Co | Taylor | Tittle, C. R. #1 | 5,650 | 44131537 |
| 65765 | Dec 6, 1979 | Dec 6, 1979 | Hamco Exploration Development Co | Jones | Lovvorn, E. A. #1 | 3,760 | 25331342 |
| 65704 | Dec 5, 1979 | Dec 5, 1979 | Hamco Exploration Development Co | Runnels | Minzenmayor, W. F. #1 | 4,660 | 39931475 |
| 64299 | Nov 20, 1979 | Nov 20, 1979 | Hamco Exploration Development Co | Runnels | Hunter, Memry #1 | 4,650 | 39931464 |
| 64297 | Nov 20, 1979 | Nov 20, 1979 | Hamco Exploration Development Co | Runnels | Hord, R. H. #1 | 4,600 | 39931463 |
| 63997 | Nov 16, 1979 | Nov 16, 1979 | Hamco Exploration Development Co | Runnels | Ernst, Gaston #1 | 4,643 | 39931460 |
| 60127 | Oct 10, 1979 | Oct 10, 1979 | Hamco Exploration Development Co | Jones | Fomby, W. W. -A #1 | 3,500 | 25331281 |
| 59650 | Oct 3, 1979 | Oct 3, 1979 | Hamco Exploration Development Co | Runnels | Poe, Tom #1 | 4,687 | 39931424 |
| 58962 | Sep 26, 1979 | Sep 26, 1979 | Hamco Exploration Development Co | Jones | Fomby, W. W. #1 | 3,500 | 25331273 |
| 58925 | Sep 26, 1979 | Sep 26, 1979 | Hamco Exploration Development Co | Jones | Ray, R. F. #1 | 3,297 | 25331272 |
| 58634 | Sep 21, 1979 | Sep 21, 1979 | Hamco Exploration Development Co | Runnels | Rodgers, V. L. #2 | 4,000 | 39931418 |
| 46003 | Apr 10, 1979 | Apr 10, 1979 | Hamco Exploration Development Co | Jones | Cooley #1 | 4,681 | 25331173 |
| 45600 | Apr 3, 1979 | Apr 3, 1979 | Hamco Exploration Development Co | Taylor | McCarrel, W. E. #1 | 2,816 | 44131384 |
| 43389 | Feb 28, 1979 | Feb 28, 1979 | Hamco Exploration Development Co | Runnels | Gideon, R. #1 | 3,870 | 39931330 |
| 42363 | Feb 12, 1979 | Feb 12, 1979 | Hamco Exploration Development Co | Jones | Cranston "B" #3 | 3,500 | 25331145 |
| 42362 | Feb 12, 1979 | Feb 12, 1979 | Hamco Exploration Development Co | Jones | Cranston "A" #2 | 2,789 | 25331144 |
| 42359 | Feb 12, 1979 | Feb 12, 1979 | Hamco Exploration Development Co | Jones | Cranston #1 | 2,801 | 25331143 |
| 40483 | Jan 9, 1979 | Jan 9, 1979 | Hamco Exploration Development Co | Coleman | McCord #2 | 3,750 | 08331660 |
| 40216 | Jan 4, 1979 | Jan 4, 1979 | Hamco Exploration Development Co | Runnels | Hillyard #1 | 4,600 | 39931308 |
| 40213 | Jan 4, 1979 | Jan 4, 1979 | Hamco Exploration Development Co | Runnels | Bredemeyer #1 | 4,600 | 39931307 |
| 40211 | Jan 4, 1979 | Jan 4, 1979 | Hamco Exploration Development Co | Runnels | Kurtz #1 | 4,600 | 39931306 |
| 39782 | Dec 29, 1978 | Dec 29, 1978 | Hamco Exploration Development Co | Runnels | Mansell #1 | 4,001 | 39931302 |
| 39779 | Dec 29, 1978 | Dec 29, 1978 | Hamco Exploration Development Co | Runnels | Edmondson-B #1 | 4,000 | 39931301 |
| 39696 | Dec 28, 1978 | Dec 28, 1978 | Hamco Exploration Development Co | Coleman | McCord #1 | 3,750 | 08331651 |
| 39166 | Dec 19, 1978 | Dec 19, 1978 | Hamco Exploration Development Co | Runnels | Chisum & Pendergrass #1 | 3,905 | 39931299 |