| 271399 | Apr 3, 1985 | Apr 3, 1985 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe E. "A" #12R | 2,300 | 05533876 |
| 271396 | Apr 3, 1985 | Apr 3, 1985 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe E. et Al #8R | 2,300 | 05533875 |
| 196749 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe et Al #34 | 1,800 | 05533197 |
| 196748 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe et Al #33 | 1,800 | 05533196 |
| 196747 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe et Al #32 | 1,800 | 05533195 |
| 196746 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe et Al #31 | 1,800 | 05533194 |
| 196744 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe et Al #30 | 1,800 | 05533193 |
| 196743 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe et Al #29 | 1,800 | 05533192 |
| 196742 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #12 | 2,000 | 05533191 |
| 196741 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #11 | 2,000 | 05533190 |
| 196740 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #10 | 2,000 | 05533189 |
| 196739 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #9 | 2,000 | 05533188 |
| 196738 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #8 | 2,000 | 05533187 |
| 196736 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #7 | 2,000 | 05533186 |
| 196735 | May 31, 1983 | May 31, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #6 | 2,000 | 05533185 |
| 187745 | Mar 8, 1983 | Mar 8, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe, et Al #27 | 1,800 | 05533107 |
| 187743 | Mar 8, 1983 | Mar 8, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe, et Al #26 | 1,800 | 05533109 |
| 187742 | Mar 8, 1983 | Mar 8, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe, et Al #28 | 1,800 | 05533108 |
| 187741 | Mar 8, 1983 | Mar 8, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe, et Al #25 | 1,800 | 05533110 |
| 187936 | Mar 2, 1983 | Mar 2, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #5 | 2,000 | 05533122 |
| 185753 | Feb 11, 1983 | Feb 11, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #4 | 2,000 | 05533093 |
| 185750 | Feb 11, 1983 | Feb 11, 1983 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #3 | 2,000 | 05533091 |
| 165343 | Jul 1, 1982 | Jul 1, 1982 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #2 | 2,000 | 05532789 |
| 148064 | Jan 21, 1982 | Jan 21, 1982 | Caldwell Oil & Gas Co., Inc. | Caldwell | Ross, C.P. et Al #1 | 2,500 | 05532580 |
| 141287 | Nov 17, 1981 | Nov 17, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, J.E. "A" #8A | 2,500 | 05532427 |
| 141280 | Nov 17, 1981 | Nov 17, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, J.E. "A" #6A | 2,500 | 05532424 |
| 140145 | Nov 10, 1981 | Nov 10, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Duddleston, Helen #2 | 3,310 | 05532410 |
| 139782 | Nov 6, 1981 | Nov 6, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Huff et Al #1 | 2,600 | 05532400 |
| 133141 | Sep 14, 1981 | Sep 14, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Duddlesten, Helen #1 | 3,280 | 05532304 |
| 119041 | May 22, 1981 | May 22, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Styles, Herman "A" #3 | 2,500 | 05532001 |
| 119040 | May 22, 1981 | May 22, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Styles, Herman "A" #2 | 2,500 | 05532000 |
| 119038 | May 22, 1981 | May 22, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Styles, Herman et Al #4 | 2,500 | 05531999 |
| 119037 | May 22, 1981 | May 22, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Styles, Herman et Al #2 | 2,500 | 05531998 |
| 119036 | May 22, 1981 | May 22, 1981 | Caldwell Oil & Gas Co., Inc. | Caldwell | Styles, Herman et Al #3 | 2,500 | 05531997 |
| 89517 | Aug 12, 1980 | Aug 12, 1980 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe E. "A" #5E | 2,500 | 05531517 |
| 78519 | Apr 16, 1980 | Apr 16, 1980 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, J.E. et Al #24 | 2,800 | 05531236 |
| 76279 | Mar 26, 1980 | Mar 26, 1980 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe E. "A" #2 E | 2,500 | 05531378 |
| 76278 | Mar 26, 1980 | Mar 26, 1980 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe E. "A" #3 E | 2,500 | 05531377 |
| 76277 | Mar 26, 1980 | Mar 26, 1980 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe E. "A" #4E | 2,500 | 05531376 |
| 61194 | Oct 19, 1979 | Oct 19, 1979 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell, Joe "A" #5B | 2,320 | 05531237 |
| 61193 | Oct 19, 1979 | Oct 19, 1979 | Caldwell Oil & Gas Co., Inc. | Caldwell | Blackwell "B" #1 | 1,520 | 05531236 |
| 48710 | May 17, 1979 | May 17, 1979 | Caldwell Oil & Gas Co., Inc. | Zavala | Hubert, Krist #1 | 1,900 | 50731160 |
| 48709 | May 17, 1979 | May 17, 1979 | Caldwell Oil & Gas Co., Inc. | Zavala | Hubert, Krist #2 | 3,500 | 50731159 |
| 48707 | May 17, 1979 | May 17, 1979 | Caldwell Oil & Gas Co., Inc. | Zavala | Hubert, Krist #3 | 3,500 | 50731158 |
| 46486 | Apr 16, 1979 | Apr 16, 1979 | Caldwell Oil & Gas Co., Inc. | Zavala | Nelson, William B. #1 | 1,520 | 50731131 |
| 44461 | Mar 16, 1979 | Mar 16, 1979 | Caldwell Oil & Gas Co., Inc. | Zavala | Allen, Lawrence #1 | 2,720 | 50731111 |
| 29841 | Aug 3, 1978 | Aug 3, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | Reddick, J. C., Jr. #2 | 1,504 | 50731014 |
| 24386 | May 16, 1978 | May 16, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | White, B. M. #4 | 1,530 | 50730994 |
| 24385 | May 16, 1978 | May 16, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | White, B. M. #5 | 1,530 | 50730993 |
| 23046 | Apr 27, 1978 | Apr 27, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | White, B. M. #2 | 2,500 | 50730986 |
| 23044 | Apr 27, 1978 | Apr 27, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | White, B. M. #3 | 1,428 | 50730985 |
| 21761 | Apr 10, 1978 | Apr 10, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | White, B. M. #1 | 2,500 | 50730980 |
| 19539 | Mar 7, 1978 | Mar 7, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | Koehler, F. W. #2 | 1,555 | 50730966 |
| 44301 | Feb 28, 1978 | Feb 28, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | Koehler, F. W. #1 | 2,500 | 50730908 |
| 18894 | Feb 24, 1978 | Feb 24, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | Peterson Brothers #1 | 1,220 | 50730962 |
| 18893 | Feb 24, 1978 | Feb 24, 1978 | Caldwell Oil & Gas Co., Inc. | Zavala | Reddick, J. G., Jr. #1 | 2,500 | 50730961 |
| 7395 | Sep 13, 1977 | Sep 13, 1977 | Caldwell Oil & Gas Co., Inc. | Zavala | Koehler, F.W. #1 | 1,825 | 50730908 |
| 7393 | Sep 13, 1977 | Sep 13, 1977 | Caldwell Oil & Gas Co., Inc. | Zavala | Shanks, E. E. #1 | 1,573 | 50730907 |