| 458685 | Feb 14, 1997 | Feb 14, 1997 | Southwest Oil & Land, Inc. | Hidalgo | La Blanca Gas Unit #40 | 7,500 | 21532394 |
| 458196 | Feb 4, 1997 | Feb 4, 1997 | Southwest Oil & Land, Inc. | Starr | Saenz, V. #3 | 5,000 | 42732956 |
| 457020 | Jan 8, 1997 | Jan 8, 1997 | Southwest Oil & Land, Inc. | Live Oak | Matter #1 | 5,100 | 29734227 |
| 453523 | Oct 10, 1996 | Oct 10, 1996 | Southwest Oil & Land, Inc. | Refugio | Rooke #1 | 6,500 | 39132154 |
| 449294 | Jun 19, 1996 | Jun 19, 1996 | Southwest Oil & Land, Inc. | Cameron | Yturria-Weems-State #2 | 7,500 | 06100194 |
| 444073 | Jan 29, 1996 | Jan 29, 1996 | Southwest Oil & Land, Inc. | Live Oak | Graham, George M. Jr. #1 | 6,300 | 29734185 |
| 444073Amendment | Jan 29, 1996 | Jan 29, 1996 | Southwest Oil & Land, Inc. | Live Oak | Graham, George M. Jr. #1 | 6,150 | 29734185 |
| 442853 | Dec 14, 1995 | Dec 14, 1995 | Southwest Oil & Land, Inc. | Live Oak | Glen Bill Matheson Unit #1 | 6,400 | 29734175 |
| 441959 | Nov 17, 1995 | Nov 17, 1995 | Southwest Oil & Land, Inc. | Hidalgo | La Blanca Gas Unit #38 | 9,000 | 21532235 |
| 439948 | Sep 20, 1995 | Sep 20, 1995 | Southwest Oil & Land, Inc. | Refugio | Sasse #1 | 7,000 | 39132126 |
| 439948Amendment | Sep 20, 1995 | Sep 20, 1995 | Southwest Oil & Land, Inc. | Refugio | Sasse #1 | 6,500 | 39132126 |
| 439523 | Aug 31, 1995 | Aug 31, 1995 | Southwest Oil & Land, Inc. | Hidalgo | Santa Cruz - Hendrix #2 | 9,000 | 21532259 |
| 435652 | May 10, 1995 | May 10, 1995 | Southwest Oil & Land, Inc. | Cameron | Yturria - Weems - State #1 | 6,000 | 06130495 |
| 435652Amendment | May 10, 1995 | May 10, 1995 | Southwest Oil & Land, Inc. | Cameron | Yturria - Weem - State #1 | 6,000 | 06130495 |
| 435460Amendment | May 3, 1995 | May 3, 1995 | Southwest Oil & Land, Inc. | Hidalgo | La Blanca Gas Unit #38 | 9,000 | 21532235 |
| 431104 | Jan 5, 1995 | Jan 5, 1995 | Southwest Oil & Land, Inc. | Webb | Walker, J. O. #2 | 4,850 | 47904097 |
| 431095 | Dec 21, 1994 | Dec 21, 1994 | Southwest Oil & Land, Inc. | Webb | Walker, J. O. #4 | 3,200 | 47904095 |
| 426978 | Aug 17, 1994 | Aug 17, 1994 | Southwest Oil & Land, Inc. | Karnes | Carter, Rose et Al #2 | 2,700 | 25531342 |
| 423696 | May 12, 1994 | May 12, 1994 | Southwest Oil & Land, Inc. | Starr | De Garza, J. M. #13 | 7,700 | 42732062 |
| 422169 | Mar 22, 1994 | Mar 22, 1994 | Southwest Oil & Land, Inc. | Starr | De Garza, J. M. #11 | 7,500 | 42731899 |
| 421471 | Feb 24, 1994 | Feb 24, 1994 | Southwest Oil & Land, Inc. | Fayette | Colgin #2 | 2,400 | 14932865 |
| 421051 | Feb 10, 1994 | Feb 10, 1994 | Southwest Oil & Land, Inc. | Fayette | Colgin #1 | 2,400 | 14932858 |
| 419009 | Dec 8, 1993 | Dec 8, 1993 | Southwest Oil & Land, Inc. | Cameron | Weems-State #3 | 3,350 | 06100160 |
| 419009Amendment | Dec 8, 1993 | Dec 8, 1993 | Southwest Oil & Land, Inc. | Cameron | Weems-State #3 | 1,300 | 06100160 |
| 418699 | Nov 30, 1993 | Nov 30, 1993 | Southwest Oil & Land, Inc. | Hidalgo | Cardenas, Josefa #8 | 7,000 | 21532148 |
| 417604 | Nov 9, 1993 | Nov 9, 1993 | Southwest Oil & Land, Inc. | Starr | McKim-Alvarez #1 | 5,000 | 42732636 |
| 416312 | Sep 23, 1993 | Sep 23, 1993 | Southwest Oil & Land, Inc. | Victoria | Kuester, Chas. #9 | 8,600 | 46900052 |
| 416040 | Sep 14, 1993 | Sep 14, 1993 | Southwest Oil & Land, Inc. | Brooks | Mills Bennett Estate A #1B | 4,000 | 04731649 |
| 416039 | Sep 14, 1993 | Sep 14, 1993 | Southwest Oil & Land, Inc. | Brooks | Mills Bennett Estate B #2B | 5,200 | 04731648 |
| 416039Amendment | Sep 14, 1993 | Sep 14, 1993 | Southwest Oil & Land, Inc. | Brooks | Mills Bennett Estate -B- #2B | 5,209 | 04731648 |
| 411719 | May 14, 1993 | May 14, 1993 | Southwest Oil & Land, Inc. | Cameron | Weems-State #2 | 6,200 | 06130490 |
| 411719Amendment | May 14, 1993 | May 14, 1993 | Southwest Oil & Land, Inc. | Cameron | Weems-State #2 | 6,200 | 06130490 |
| 409091 | Apr 29, 1993 | Apr 29, 1993 | Southwest Oil & Land, Inc. | Hidalgo | Montgomery Unit #4U | 8,312 | 21530236 |
| 411176 | Apr 28, 1993 | Apr 28, 1993 | Southwest Oil & Land, Inc. | Hidalgo | Aderhold Unit #6 | 7,500 | 21532121 |
| 409092 | Apr 28, 1993 | Apr 28, 1993 | Southwest Oil & Land, Inc. | Hidalgo | Aderhold Unit #5D | 8,315 | 21530433 |
| 397264 | Jun 10, 1992 | Jun 10, 1992 | Southwest Oil & Land, Inc. | Hidalgo | Engleman 'A' #11 | 2,670 | 21532045 |
| 395820 | Jan 23, 1992 | Jan 23, 1992 | Southwest Oil & Land, Inc. | Hidalgo | Cardenas, Josefa #1 | 8,002 | 21500902 |
| 392088Amendment | Sep 24, 1991 | Sep 24, 1991 | Southwest Oil & Land, Inc. | Hidalgo | Engleman 'A' #11 | 9,000 | 21532045 |
| 391186 | Aug 27, 1991 | Aug 27, 1991 | Southwest Oil & Land, Inc. | Hidalgo | Cardenas, Josefa #4 | 7,130 | 21500901 |
| 390776 | Aug 14, 1991 | Aug 14, 1991 | Southwest Oil & Land, Inc. | Hidalgo | Crain & Griffith #15 | 9,015 | 21501100 |
| 389143 | Jun 21, 1991 | Jun 21, 1991 | Southwest Oil & Land, Inc. | Hidalgo | Cardenas, Josefa #2 | 8,700 | 21500886 |
| 386331 | Apr 2, 1991 | Apr 2, 1991 | Southwest Oil & Land, Inc. | Hidalgo | Engelman Gardens #1 | 9,000 | 21532020 |
| 385801 | Mar 18, 1991 | Mar 18, 1991 | Southwest Oil & Land, Inc. | Hidalgo | De la Vina, Juan #2 | 6,900 | 21532017 |
| 385801Amendment | Mar 18, 1991 | Mar 18, 1991 | Southwest Oil & Land, Inc. | Hidalgo | De la Vina, Juan #2 | 9,000 | 21532017 |
| 383959 | Jan 31, 1991 | Jan 31, 1991 | Southwest Oil & Land, Inc. | Jim Wells | Happner, Ben Dora #1 | 5,208 | 24931197 |
| 382548 | Dec 19, 1990 | Dec 19, 1990 | Southwest Oil & Land, Inc. | Hidalgo | Aderhold Unit #1 | 11,000 | 21532008 |
| 379438 | Nov 20, 1990 | Nov 20, 1990 | Southwest Oil & Land, Inc. | Hidalgo | Santa Cruz Farms #5 | 8,325 | 21500995 |
| 370976Amendment | Mar 15, 1990 | Mar 15, 1990 | Southwest Oil & Land, Inc. | Hidalgo | Wright Hill Gas Unit #1 | 9,900 | 21500226 |
| 366839 | Dec 4, 1989 | Dec 4, 1989 | Southwest Oil & Land, Inc. | Jim Wells | Barbon - Hendricks #1 | 3,750 | 24931108 |
| 351385 | Sep 20, 1988 | Sep 20, 1988 | Southwest Oil & Land, Inc. | Jim Wells | Hinze, H. E. #4 | 5,200 | 24931113 |
| 351305 | Sep 19, 1988 | Sep 19, 1988 | Southwest Oil & Land, Inc. | Jim Wells | Hinze, H. E. #3 | 5,810 | 24930877 |
| 340957 | Jan 6, 1988 | Jan 6, 1988 | Southwest Oil & Land, Inc. | Refugio | Buck, I. G. W. #9 | 5,800 | 39103595 |
| 302982 | Jun 6, 1986 | Jun 6, 1986 | Southwest Oil & Land, Inc. | San Patricio | Owen, T. B. #1 | 5,958 | 40931775 |
| 264506 | Jan 18, 1985 | Jan 18, 1985 | Southwest Oil & Land, Inc. | San Patricio | William Wholesalers, Inc. #2 | 5,900 | 40932019 |
| 230406 | Feb 24, 1984 | Feb 24, 1984 | Southwest Oil & Land, Inc. | San Patricio | Owen, T. B. #2 | 5,808 | 40931829 |
| 229871 | Feb 21, 1984 | Feb 21, 1984 | Southwest Oil & Land, Inc. | Fayette | Luycx, Henry #1 | 900 | 14931723 |
| 227591 | Jan 27, 1984 | Jan 27, 1984 | Southwest Oil & Land, Inc. | Fayette | Luycx, Henry #2 | 900 | 14931722 |
| 227444 | Jan 26, 1984 | Jan 26, 1984 | Southwest Oil & Land, Inc. | Starr | Salinas, Juan #1 | 5,650 | 42731856 |
| 227150 | Jan 24, 1984 | Jan 24, 1984 | Southwest Oil & Land, Inc. | San Patricio | Steinkraus #1 | 5,650 | 40931888 |
| 225246 | Dec 27, 1983 | Dec 27, 1983 | Southwest Oil & Land, Inc. | Colorado | Campbell #1 | 900 | 08931458 |
| 223786 | Dec 14, 1983 | Dec 14, 1983 | Southwest Oil & Land, Inc. | Colorado | Fuchs, Delbert #1 | 760 | 08931450 |
| 223781 | Dec 14, 1983 | Dec 14, 1983 | Southwest Oil & Land, Inc. | Colorado | Vacek #1 | 1,500 | 08931449 |
| 224162 | Dec 14, 1983 | Dec 14, 1983 | Southwest Oil & Land, Inc. | Colorado | Shumbera "A" #1 | 1,450 | 08930952 |
| 215606 | Sep 28, 1983 | Sep 28, 1983 | Southwest Oil & Land, Inc. | San Patricio | Owen, T. B. #2 | 6,000 | 40931829 |
| 204400 | Aug 5, 1983 | Aug 5, 1983 | Southwest Oil & Land, Inc. | San Patricio | William Wholesalers, Inc. #1 | 5,907 | 40931795 |
| 200871 | Jul 5, 1983 | Jul 5, 1983 | Southwest Oil & Land, Inc. | San Patricio | Owen, T. B. #1 | 6,000 | 40931775 |
| 77520 | Apr 8, 1980 | Apr 8, 1980 | Southwest Oil & Land, Inc. | Jim Wells | Dennis #1 | 5,404 | 24931178 |
| 55887 | Aug 17, 1979 | Aug 17, 1979 | Southwest Oil & Land, Inc. | Starr | Austin-Garza #1 | 4,410 | 42731342 |
| 26947 | Jun 20, 1978 | Jun 20, 1978 | Southwest Oil & Land, Inc. | Duval | Cadena, Luis #1 | 5,400 | 13132743 |
| 21249 | Mar 31, 1978 | Mar 31, 1978 | Southwest Oil & Land, Inc. | Duval | Garcia, Louise Daniel #6 | 4,728 | 13108956 |
| 21244 | Mar 31, 1978 | Mar 31, 1978 | Southwest Oil & Land, Inc. | Duval | Garcia, Louise Daniel #8 | 4,780 | 13182117 |
| 19681 | Mar 9, 1978 | Mar 9, 1978 | Southwest Oil & Land, Inc. | Duval | Blunk, V. M. #2 | 5,346 | 13180089 |