| Layden G-2-164268 | Allegro Investments, Inc. | Toro Grande, E. (10,900) | Jackson | 1 | 68.8K | 724K | Jul 1997 – Dec 2002 |
| Thunderbird G-2-209088 | Allegro Investments, Inc. | Big 12 (11,900) | Jackson | 1 | 58.9K | 1.77M | Sep 2004 – Oct 2006 |
| Weaver-Dugger Unit G-2-180197 | Allegro Investments, Inc. | Maude B. Traylor, N. (44 Seg A) | Jackson | 1 | 37.8K | 1.71M | Sep 2000 – Feb 2007 |
| Signal Hill G-2-194684 | Allegro Investments, Inc. | Big 12 (10,400) | Jackson | 1 | 34.2K | 736K | Dec 2001 – Nov 2006 |
| Yendrey Fee G-2-170255 | Allegro Investments, Inc. | Big 12 (11,100) | Jackson | 1 | 16.1K | 99.1K | Aug 1998 – Jan 2002 |
| Hensley-Johnny G-2-182093 | Allegro Investments, Inc. | Maude B. Traylor, North (42) | Jackson | 1 | 8.25K | 387K | Feb 2001 – Oct 2002 |
| 4 Way Ranch G-2-180914 | Allegro Investments, Inc. | Lemel (7200) | Jackson | 1 | 6.42K | 130K | Jul 2000 – Jun 2002 |
| McLeod Gas Unit G-2-167425 | Allegro Investments, Inc. | Edna, South (Frio 5140) | Jackson | 1 | 5.94K | 2.33M | Feb 1998 – Mar 2003 |
| Fenner, Katherine G-2-148669 | Allegro Investments, Inc. | Lost Fork (Yegua 6400) | Jackson | 1 | 5.6K | 974K | Feb 1994 – Jun 2000 |
| Musselman Ranch - Bor G-2-166402 | Allegro Investments, Inc. | McDaniel (Yegua) | Jackson | 1 | 3.02K | 435K | Dec 1997 – Aug 2001 |
| Sappington Farms G-2-182038 | Allegro Investments, Inc. | El Toro, South (6200) | Jackson | 1 | 1.61K | 225K | Jul 2000 – Oct 2003 |
| McLeod Gas Unit G-2-194625 | Allegro Investments, Inc. | Edna, S. (5490) | Jackson | 1 | 1.37K | 631K | Feb 2003 – Dec 2004 |
| Wilbeck G-2-173835 | Allegro Investments, Inc. | Cordele (4850) | Jackson | 1 | 1.11K | 1.28M | Apr 1999 – Nov 2005 |
| Fenner, Katherine G-3-147823 | Allegro Investments, Inc. | Lost Fork (Yegua 6800) | Jackson | 1 | 686 | 602K | Dec 1993 – Oct 1997 |
| Stafford G-2-151500 | Allegro Investments, Inc. | Wayside Chapel, East (Yegua) | Jackson | 1 | 261 | 205K | Jul 1994 – Aug 2002 |
| Johnson Foundation G-2-176788 | Allegro Investments, Inc. | Cordele (4500) | Jackson | 1 | 138 | 375K | Mar 2000 – Oct 2004 |
| Traylor G-2-193597 | Allegro Investments, Inc. | Maude B. Traylor, N. (29 Seg. A) | Jackson | 1 | 96 | 4.23K | Mar 2001 – May 2001 |
| Marthiljohni G-2-188836 | Allegro Investments, Inc. | Bright Falcon (Frio 5160) | Jackson | 1 | 28 | 87K | Jun 2001 – May 2003 |
| Daniel Estate Unit HSL G-2-157148 | Allegro Investments, Inc. | McDaniel (3850) | Jackson | 1 | 15 | 545K | Jan 1996 – Nov 2001 |
| Young Sisters G-2-186471 | Allegro Investments, Inc. | Collier (4500) | Jackson | 1 | 3 | 73.9K | Apr 2001 – Nov 2002 |
| Ormand - Ormd G-2-160784 | Allegro Investments, Inc. | McDaniel (4340) | Jackson | 1 | 0 | 142K | Nov 1996 – Jan 2001 |
| Fenner, Katherine G-2-166817 | Allegro Investments, Inc. | Lost Fork (Yegua 6700) | Jackson | 1 | 0 | 82.7K | Oct 1997 – Feb 2000 |
| Borchers Ranch - Bor "E" G-2-166823 | Allegro Investments, Inc. | McDaniel (3600) | Jackson | 1 | 0 | 197K | Dec 1997 – Dec 2000 |
| Borchers Ranch - Bor "A" G-2-166971 | Allegro Investments, Inc. | McDaniel (3600) | Jackson | 1 | 0 | 285K | Nov 1997 – Mar 2005 |
| Borchers Ranch - Bor G-2-166980 | Allegro Investments, Inc. | McDaniel (3750) | Jackson | 1 | 0 | 41.3K | Nov 1997 – Jun 1998 |
| McLeod Gas Unit G-2-167427 | Allegro Investments, Inc. | Edna, S. (5750) | Jackson | 1 | 0 | 334K | Feb 1998 – Jul 2001 |
| Borchers Ranch - Bor G-2-170212 | Allegro Investments, Inc. | McDaniel (2800) | Jackson | 1 | 0 | 155K | Jul 1998 – Feb 2003 |
| Wilbeck G-2-173836 | Allegro Investments, Inc. | Cordele (Decolletage) | Jackson | 1 | 0 | 37.7K | Apr 1999 – Nov 2000 |
| Raybon-Pressly Unit G-2-176045 | Allegro Investments, Inc. | Cordele (4850) | Jackson | 1 | 0 | 72.4K | Nov 1999 – Oct 2000 |
| Daniel Estate - HSL G-2-176048 | Allegro Investments, Inc. | McDaniel (3850) | Jackson | 1 | 0 | 0 | — |
| Mark Unit G-2-176049 | Allegro Investments, Inc. | Cordele (4300) | Jackson | 1 | 0 | 730K | Nov 1999 – Sep 2002 |
| David G-2-177887 | Allegro Investments, Inc. | Cordele (4850) | Jackson | 1 | 0 | 263K | Mar 2000 – Sep 2004 |
| Wilbeck G-2-183159 | Allegro Investments, Inc. | High Star (Frio) | Jackson | 1 | 0 | 238K | Nov 2000 – Jul 2001 |
| Sample G-2-183417 | Allegro Investments, Inc. | Cordele, East (5300) | Jackson | 1 | 0 | 237K | Mar 2001 – Jul 2005 |
| Cihal G-2-184513 | Allegro Investments, Inc. | Cordele (4500) | Jackson | 1 | 0 | 124K | Jun 2001 – Jun 2004 |
| Johnson Foundation G-2-187086 | Allegro Investments, Inc. | Cordele (Greta Fiew 5070) | Jackson | 1 | 0 | 175K | Aug 2001 – Sep 2003 |
| Sample G-2-187105 | Allegro Investments, Inc. | Cordele (4000) | Jackson | 1 | 0 | 141K | Oct 2001 – Aug 2003 |
| Lakeside G-2-190838 | Allegro Investments, Inc. | El Toro, South (5600 F.B.E.) | Jackson | 1 | 0 | 17.2K | Feb 2002 – May 2002 |
| Fishcamp G-2-280097 | Allegro Investments, Inc. | El Toro, South (5600 F.B.E.) | Jackson | 1 | 0 | 23.5K | May 2015 – Mar 2016 |
| Yendrey Fee O-2-8696 | Allegro Investments, Inc. | Big 12 (11,100) | Jackson | 1 | 0 | 0 | — |
| Elk Hills O-2-8815 | Allegro Investments, Inc. | Wildcat | Jackson | 1 | 0 | 0 | — |
| Robinson G-2-134516 | Allegro Investments, Inc. | Robinson Ranch (Miocene 2300) | Jackson | 1 | 0 | 0 | — |
| Coates O-2-8886 | Allegro Investments, Inc. | Wildcat | Jackson | 1 | 0 | 0 | — |
| Schaefer-Buckner-HSL G-2-155160 | Allegro Investments, Inc. | McDaniel (3750) | Jackson | 1 | 0 | 378K | Jul 1995 – Sep 1999 |
| Robinson Ranch - Rob G-2-155603 | Allegro Investments, Inc. | McDaniel (4100) | Jackson | 1 | 0 | 164K | Aug 1995 – Feb 2000 |
| Robinson Ranch - Rob G-2-155785 | Allegro Investments, Inc. | McDaniel (4340) | Jackson | 1 | 0 | 223K | Sep 1995 – Feb 2000 |
| Robinson Ranch - Rob G-2-156768 | Allegro Investments, Inc. | McDaniel (4100) | Jackson | 1 | 0 | 51.5K | Dec 1995 – Aug 1998 |
| Robinson Ranch - Rob G-2-157126 | Allegro Investments, Inc. | McDaniel (3460) | Jackson | 1 | 0 | 311K | Jan 1996 – Nov 1999 |
| Ormand - Robinson Unit - Rob G-2-157129 | Allegro Investments, Inc. | McDaniel (4100) | Jackson | 1 | 0 | 736K | Jan 1996 – Feb 2002 |
| Jones-Dondlinger Unit HSL G-2-157141 | Allegro Investments, Inc. | McDaniel (3650) | Jackson | 1 | 0 | 417K | Jan 1996 – Aug 1999 |