| Lanicek OL G-3-149094 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 570K | 3.24M | Feb 1994 – Feb 2001 |
| Bell, W. T. Gas Unit G-2-200573 | Chesapeake Operating, Inc. | Jennie Bell (Wilcox 11500) | De Witt | 1 | 279K | 6.09M | Mar 2004 – Apr 2007 |
| Jr. Allen OL G-3-149216 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 263K | 1.61M | Feb 1994 – Feb 2001 |
| Franks OL G-3-153549 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 233K | 1.63M | Dec 1994 – Jan 2001 |
| Giles G-3-156485 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 196K | 613K | Sep 1995 – Mar 2000 |
| SNR OL G-3-152642 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 157K | 823K | Dec 1994 – Jan 2001 |
| Sontag G-3-159011 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 45K | 294K | Aug 1995 – Jun 2004 |
| Elmore 32 G-14-201516 | Chesapeake Operating, Inc. | Allison-Britt (12350) | Wheeler | 1 | 41.4K | 1.09M | Mar 2004 – Sep 2012 |
| Shell Fee 25 G-14-158574 | Chesapeake Operating, Inc. | Antero (Upper Morrow D) | Hemphill | 1 | 30.4K | 2.26M | Jun 1996 – Jun 2008 |
| Southern Pine G-6-162624 | Chesapeake Operating, Inc. | Brookeland (Austin Chalk, 8800) | Newton | 1 | 27.3K | 96K | Dec 1996 – Mar 1999 |
| Day G-14-256370 | Chesapeake Operating, Inc. | Achilles (Tonkawa) | Hemphill | 1 | 27.2K | 43.6K | Jun 2010 – Jul 2010 |
| Ledbetter 66 G-14-261767 | Chesapeake Operating, Inc. | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 26.1K | 28.8K | Mar 2011 – Apr 2011 |
| Zamora-Vela G-4-194250 | Chesapeake Operating, Inc. | Puerto Rico (Vicksburg) | Hidalgo | 1 | 26K | 1.94M | Mar 2003 – Mar 2007 |
| Farris Gas Unit G-2-198737 | Chesapeake Operating, Inc. | Meyersville (Massive IV) | Victoria | 1 | 22.4K | 1.07M | Aug 2003 – Apr 2013 |
| Geosouthern Elise G-3-152612 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Fayette | 1 | 21K | 215K | Aug 1994 – Dec 2001 |
| Hadley G-3-164356 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 17.9K | 212K | May 1997 – Jan 2001 |
| Borski G-3-154833 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 17.1K | 2.27M | May 1995 – Apr 1999 |
| Kirby-Black Stone OL G-6-164123 | Chesapeake Operating, Inc. | Brookeland (Austin Chalk, 8800) | Newton | 1 | 17.1K | 55.8K | Apr 1997 – Mar 1999 |
| El Gato G-4-144362 | Chesapeake Operating, Inc. | Belle Jeffers, East (Lobo) | Webb | 1 | 16.2K | 2.21M | Jan 1993 – Jun 2005 |
| Miller G-14-199859 | Chesapeake Operating, Inc. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 15.6K | 604K | Jan 2004 – Dec 2008 |
| Lard Ranch-Osborne G-14-226434 | Chesapeake Operating, Inc. | Lard Ranch (Granite Wash -C-) | Roberts | 1 | 13.6K | 245K | Dec 2006 – Aug 2007 |
| Peach G-3-168888 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 13.6K | 98.2K | Mar 1998 – Nov 1998 |
| Britt 5 G-14-219131 | Chesapeake Operating, Inc. | Allison-Britt (12350) | Wheeler | 1 | 11.8K | 607K | May 2006 – Jun 2014 |
| Bensch G-14-166113 | Chesapeake Operating, Inc. | Loesch (Morrow Upper) | Lipscomb | 1 | 11.1K | 992K | Oct 1997 – May 2011 |
| Miller 2 G-14-202249 | Chesapeake Operating, Inc. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 10.2K | 519K | Apr 2004 – Jun 2009 |
| Lott 2 G-14-259740 | Chesapeake Operating, Inc. | B & B (Granite Wash) | Wheeler | 1 | 9.79K | 10.8K | Dec 2010 – Dec 2010 |
| Zamora-Vela G-4-183599 | Chesapeake Operating, Inc. | Puerto Rico (Vicksburg) | Hidalgo | 1 | 9.06K | 116K | Jan 2001 – Sep 2001 |
| Born 1071 G-14-259589 | Chesapeake Operating, Inc. | Kiowa Creek (Cleveland) | Lipscomb | 1 | 8.76K | 87.4K | Aug 2010 – Sep 2010 |
| King G-14-254886 | Chesapeake Operating, Inc. | Lipscomb (Cleveland) | Lipscomb | 1 | 8.41K | 12.1K | Apr 2010 – Aug 2010 |
| Stiles Ranch 5 G-14-213559 | Chesapeake Operating, Inc. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 8.32K | 157K | Sep 2005 – Jun 2008 |
| Liepe G-14-255676 | Chesapeake Operating, Inc. | Lipscomb, S. W. (Cleveland) | Lipscomb | 1 | 7.98K | 13.3K | Feb 2010 – Apr 2010 |
| Britt -6- G-14-150084 | Chesapeake Operating, Inc. | Allison-Britt (12350) | Wheeler | 1 | 7.85K | 227K | Jun 1994 – Jul 2012 |
| Hamilton 39 SL G-14-267328 | Chesapeake Operating, Inc. | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 7.53K | 8.6K | Jul 2012 – Aug 2012 |
| Peyton G-14-259541 | Chesapeake Operating, Inc. | Lipscomb (Cleveland) | Lipscomb | 1 | 7.43K | 5.92K | Dec 2010 – Jan 2011 |
| Hinojosa, F. G. G-4-223268 | Chesapeake Operating, Inc. | McMoran (8960) | Hidalgo | 1 | 6.83K | 212K | Oct 2006 – Aug 2008 |
| Hegar OL G-3-153005 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Grimes | 1 | 6.69K | 1.43M | Aug 1994 – May 2002 |
| Arline G-14-257674 | Chesapeake Operating, Inc. | Feldman (Tonkawa) | Lipscomb | 1 | 6.6K | 6.11K | Jul 2010 – Sep 2010 |
| Round Top DL G-3-151507 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Fayette | 1 | 6.58K | 515K | Sep 1994 – Jun 2004 |
| Dickerson G-4-213324 | Chesapeake Operating, Inc. | La Reforma (C-1) | Hidalgo | 1 | 6.48K | 547K | Sep 2005 – Sep 2010 |
| Alexander G-14-204450 | Chesapeake Operating, Inc. | Stiles Ranch (Granite Wash Cons) | Wheeler | 1 | 6.47K | 286K | Jun 2004 – May 2009 |
| Glover Unit G-3-157562 | Chesapeake Operating, Inc. | Giddings (Austin Chalk, Gas) | Brazos | 1 | 6.09K | 349K | Jan 1996 – Aug 2002 |
| Meier, Russell G-14-139420 | Chesapeake Operating, Inc. | Apache (Morrow Lower) | Lipscomb | 1 | 5.84K | 470K | Jan 1993 – Jan 1996 |
| Billington G-14-259660 | Chesapeake Operating, Inc. | Kiowa Creek (Cleveland) | Lipscomb | 1 | 5.48K | 26.5K | Feb 2011 – Apr 2011 |
| Mucher, J. et Al G-4-102372 | Chesapeake Operating, Inc. | Arrowhead Ranch (VKS 12600 FB-2) | Hidalgo | 1 | 5.42K | 219K | Jan 1993 – Jan 2009 |
| D.C.R.C. G-4-142523 | Chesapeake Operating, Inc. | Petrox (Lower Wilcox Cons.) | Duval | 1 | 5.37K | 176K | Jan 1993 – Nov 2005 |
| Blonstein Estate G-14-216759 | Chesapeake Operating, Inc. | Mills Ranch (Granite Wash) | Wheeler | 1 | 5.34K | 77.2K | Aug 2005 – Sep 2007 |
| Callaghan Ranch G-4-207604 | Chesapeake Operating, Inc. | Finley-Webb (Upper Cons) | Webb | 1 | 5.23K | 468K | Feb 2005 – Jan 2010 |
| Brandt G-2-221368 | Chesapeake Operating, Inc. | Marshall, East (Yegua 5523) | Goliad | 1 | 5.14K | 227K | May 2006 – Aug 2007 |
| Garza et al Unit "B" G-4-154179 | Chesapeake Operating, Inc. | El Staggs (7330) | Hidalgo | 1 | 4.97K | 350K | Mar 1995 – Sep 2007 |
| Barrera Unit G-4-230285 | Chesapeake Operating, Inc. | McMoran (8960) | Hidalgo | 1 | 4.6K | 379K | Jul 2007 – Nov 2008 |