| McCan C. K. #11S42-469-33405 | Allegro Investments Inc. | Victoria, TXWelder Ranch (2400) | PluggedGas | 4,400 | Dec 11, 2001 | — | — |
| Traylor #242-239-33111 | Allegro Investments Inc. | Jackson, TXMaude B. Traylor N. (29 Seg. A) | PluggedGas | 10,000 | Jan 29, 2001 | — | — |
| Wilbeck #242-239-33097 | Allegro Investments Inc. | Jackson, TXHigh Star (Frio) | PluggedGas | 5,500 | Oct 11, 2000 | — | — |
| Sample #242-239-33093 | Allegro Investments Inc. | Jackson, TXCordele East (5300) | PluggedGas | 5,800 | Sep 29, 2000 | — | — |
| Hensley-Johnny #142-239-33094 | Allegro Investments Inc. | Jackson, TXMaude B. Traylor North (42) | PluggedGas | 9,900 | Sep 29, 2000 | — | — |
| Schaefer-Buckner - HSL #4-T42-239-32898 | Allegro Investments Inc. | Jackson, TXMcDaniel (4100) | PluggedGas | 4,150 | Sep 19, 2000 | — | — |
| McCan C. K. Ranch #9S42-469-33279 | Allegro Investments Inc. | Victoria, TXWelder Ranch (1950) | PluggedGas | 2,500 | Aug 23, 2000 | — | — |
| Daniel Estate Unit HSL #242-239-32883 | Allegro Investments Inc. | Jackson, TXMcDaniel (3850) | PluggedGas | 4,800 | May 24, 2000 | — | — |
| 4 Way Ranch #142-239-33069 | Allegro Investments Inc. | Jackson, TXLemel (7200) | PluggedGas | 9,500 | May 24, 2000 | — | — |
| Sappington Farms #142-239-33067 | Allegro Investments Inc. | Jackson, TXEl Toro South (6200) | PluggedGas | 6,900 | May 17, 2000 | — | — |
| Yendrey Fee #242-239-33003 | Allegro Investments Inc. | Jackson, TXBig 12 (11 100) | PluggedOil | 12,800 | Feb 3, 2000 | — | — |
| David #142-239-33054 | Allegro Investments Inc. | Jackson, TXCordele (4850) | PluggedGas | 6,500 | Jan 18, 2000 | — | — |
| Johnson Foundation #142-239-33047 | Allegro Investments Inc. | Jackson, TXCordele (4500) | PluggedGas | 6,000 | Oct 26, 1999 | — | — |
| Raybon-Pressly Unit #142-239-33039 | Allegro Investments Inc. | Jackson, TXCordele (4850) | PluggedGas | 5,500 | Sep 21, 1999 | — | — |
| McCan C. K. #342-469-32327 | Allegro Investments Inc. | Victoria, TXWelder Ranch (3750) | PluggedGas | 4,315 | Aug 27, 1999 | — | — |
| Mark Unit #142-239-33035 | Allegro Investments Inc. | Jackson, TXCordele (4300) | PluggedGas | 5,600 | Aug 25, 1999 | — | — |
| Wilbeck #1-T42-239-33020 | Allegro Investments Inc. | Jackson, TXCordele (4850) | PluggedGas | 6,000 | Jan 11, 1999 | — | — |
| Robinson Ranch - Rob #2142-239-32878 | Allegro Investments Inc. | Jackson, TXMcDaniel (4100) | PluggedGas | 5,000 | Jul 24, 1998 | — | — |
| Robinson Ranch - Rob #2342-239-32881 | Allegro Investments Inc. | Jackson, TXMcDaniel (4100) | PluggedGas | 4,600 | Jul 24, 1998 | — | — |
| Borchers Ranch - Bor #142-239-32933 | Allegro Investments Inc. | Jackson, TXMcDaniel (2800) | PluggedGas | 4,800 | Jul 24, 1998 | — | — |
| Vaughn #142-285-32578 | Allegro Investments Inc. | Lavaca, TXMcDaniel (3460) | PluggedGas | 6,500 | Feb 6, 1998 | — | — |
| McLeod Gas Unit #1-T42-239-32983 | Allegro Investments Inc. | Jackson, TXEdna S. (5750) | PluggedGas | 7,300 | Nov 25, 1997 | — | — |
| Musselman Ranch - Bor #1042-239-32978 | Allegro Investments Inc. | Jackson, TXMcDaniel (Yegua) | PluggedGas | 6,300 | Nov 14, 1997 | — | — |
| McCan C. K. #642-469-32378 | Allegro Investments Inc. | Victoria, TXWelder Ranch (1960) | PluggedOil | 2,261 | Oct 24, 1997 | — | — |
| Borchers Ranch - Bor E #1242-239-32967 | Allegro Investments Inc. | Jackson, TXMcDaniel (3600) | PluggedGas | 4,000 | Sep 24, 1997 | — | — |
| McCan C. K. #142-469-32273 | Allegro Investments Inc. | Victoria, TXWelder Ranch (3400) | PluggedGas | 4,300 | Aug 15, 1997 | — | — |
| J. C. Thompson Gas Unit #142-175-32971 | Allegro Investments Inc. | Goliad, TXGoliad (Frio 2970) | PluggedGas | 3,500 | Mar 20, 1997 | — | — |
| Fenner Katherine #342-239-32936 | Allegro Investments Inc. | Jackson, TXLost Fork (Yegua 6700) | PluggedGas | 6,850 | Feb 7, 1997 | — | — |
| Borchers Ranch - Bor a #242-239-32934 | Allegro Investments Inc. | Jackson, TXMcDaniel (3600) | PluggedGas | 4,800 | Jan 6, 1997 | — | — |
| McCan C. K. #1142-469-33172 | Allegro Investments Inc. | Victoria, TXSalem (1550) | PluggedGas | 2,800 | Jul 16, 1996 | — | — |
| McCan C.K. #842-469-33160 | Allegro Investments Inc. | Victoria, TXSawgrass (Cordele Sd.) | PluggedOil | 2,800 | May 31, 1996 | — | — |
| McCan C.K. #4 B42-469-33155 | Allegro Investments Inc. | Victoria, TXSawgrass (Cordele Sd.) | PluggedOil | 2,500 | May 20, 1996 | — | — |
| Ormand - Ormd #1R42-239-32910 | Allegro Investments Inc. | Jackson, TXMcDaniel (4340) | PluggedGas | 4,500 | May 15, 1996 | — | — |
| Robinson Ranch - Rob #342-239-32905 | Allegro Investments Inc. | Jackson, TXMcDaniel (3100) | PluggedGas | 5,000 | Apr 15, 1996 | — | — |
| Musselman Ranch - Mus #342-239-32904 | Allegro Investments Inc. | Jackson, TXMcDaniel (3460) | PluggedGas | 5,000 | Apr 12, 1996 | — | — |
| Robinson Ranch - Rob #942-239-32903 | Allegro Investments Inc. | Jackson, TXMcDaniel (3300) | PluggedGas | 5,000 | Apr 9, 1996 | — | — |
| Robinson Ranch - Rob B #1042-239-32901 | Allegro Investments Inc. | Jackson, TXMcDaniel (3460) | PluggedGas | 5,000 | Apr 2, 1996 | — | — |
| Schaefer-Buckner-HSL #742-239-32899 | Allegro Investments Inc. | Jackson, TXMcDaniel East (2170) | PluggedGas | 2,500 | Mar 19, 1996 | — | — |
| Robinson Ranch-Rob #742-239-32888 | Allegro Investments Inc. | Jackson, TXMcDaniel (3460) | PluggedGas | 5,000 | Dec 18, 1995 | — | — |
| Ormand - Robinson Unit - Rob #1842-239-32885 | Allegro Investments Inc. | Jackson, TXMcDaniel (4100) | PluggedGas | 5,000 | Dec 7, 1995 | — | — |
| Robinson Ranch - Rob #842-239-32882 | Allegro Investments Inc. | Jackson, TXMcDaniel (3460) | PluggedGas | 4,600 | Nov 21, 1995 | — | — |
| Jones-Dondlinger Unit HSL #142-239-32879 | Allegro Investments Inc. | Jackson, TXMcDaniel (3650) | PluggedGas | 4,800 | Nov 15, 1995 | — | — |
| Musselman Ranch - Mus #442-239-32877 | Allegro Investments Inc. | Jackson, TXMcDaniel (2500) | PluggedGas | 3,000 | Nov 3, 1995 | — | — |
| Bammert #142-175-32663 | Allegro Investments Inc. | Goliad, TXGoliad (Catahoula) | PluggedGas | 4,010 | Sep 29, 1995 | — | — |
| Juenke - Rob #642-239-32868 | Allegro Investments Inc. | Jackson, TXMcDaniel (2500) | PluggedGas | 3,000 | Sep 11, 1995 | — | — |
| McCan C. K. #4 S42-469-32360 | Allegro Investments Inc. | Victoria, TXWelder Ranch (1960) | PluggedOil | 4,272 | Sep 8, 1995 | — | — |
| Robinson Ranch - Rob #2042-239-32862 | Allegro Investments Inc. | Jackson, TXMcDaniel (4340) | PluggedGas | 4,900 | Aug 2, 1995 | — | — |
| Schaefer-Buckner-HSL #342-239-32858 | Allegro Investments Inc. | Jackson, TXMcDaniel (3750) | PluggedGas | 4,400 | May 26, 1995 | — | — |
| Robinson Ranch - Rob #1242-239-32856 | Allegro Investments Inc. | Jackson, TXMcDaniel (4100) | PluggedGas | 4,650 | May 23, 1995 | — | — |
| Welder J. F. Heirs #142-391-31195 | Allegro Investments Inc. | Refugio, TXGreta (L- 3) | PluggedGas | 2,315 | May 4, 1995 | — | — |