| Tower O-13-30310 | Borderline Operating Corp. | Newark, East (Barnett Shale) | Cooke | 1 | 6.04K | 348K | Nov 2003 – Dec 2018 |
| Hoff, Iva Mae O-13-29605 | Borderline Operating Corp. | Clay County Regular | Clay | 1 | 5.64K | 13 | May 1998 – May 2004 |
| Bird O-13-32311 | Borderline Operating Corp. | KRS (Marble Falls) | Jack | 1 | 5.56K | 195K | Jul 2012 – Feb 2016 |
| Rock Pile O-13-34045 | Borderline Operating Corp. | Jack County Regular | Jack | 1 | 5.55K | 5.19K | Jul 2021 – Aug 2022 |
| Hearne, O. B. -B- O-13-8018 | Borderline Operating Corp. | Langston-Kleiner (Strawn) | Young | 1 | 5.28K | 21 | by Jan 1993 – Apr 2001 |
| Nantz, J. H. O-13-34105 | Borderline Operating Corp. | Finis, Southwest (Congl. 4100) | Young | 1 | 5.23K | 0 | Dec 2021 – Apr 2026 |
| Hertel, W. C. O-13-8794 | Borderline Operating Corp. | Christie-Stewart (1750 Sand) | Knox | 1 | 5.11K | 140 | by Jan 1993 – Aug 2004 |
| Traister, A. M. O-13-27945 | Borderline Operating Corp. | Alvord (Strawn 4700) | Wise | 1 | 4.76K | 95.7K | by Jan 1993 – Jul 2009 |
| Eggers O-13-32327 | Borderline Operating Corp. | KRS (Marble Falls) | Jack | 1 | 4.7K | 85.8K | Aug 2012 – Jul 2017 |
| Loftin O-13-28131 | Borderline Operating Corp. | Young County Regular | Young | 2 | 4.5K | 11.5K | by Jan 1993 – Oct 2006 |
| Binford G-13-197460 | Borderline Operating Corp. | Newark, East (Barnett Shale) | Wise | 1 | 4.47K | 143K | Nov 2003 – Dec 2015 |
| Sanford, Wanda O-13-31023 | Borderline Operating Corp. | Newark, East (Barnett Shale) | Wise | 1 | 4.34K | 48.5K | Mar 2008 – Aug 2014 |
| Swenson Ranch East "F" O-8-24525 | Borderline Operating Corp. | Curtis (Congl Lower) | Throckmorton | 1 | 4.27K | 2.83K | by Jan 1993 – Dec 2001 |
| Toni O-13-30276 | Borderline Operating Corp. | Fletcher (Conglomerate) | Cooke | 1 | 4.22K | 25.1K | Oct 2003 – Oct 2012 |
| Stewart, Ornee G-13-28816 | Borderline Operating Corp. | Boonsville (Bend Congl., Gas) | Jack | 1 | 4.14K | 377K | by Jan 1993 – Apr 2026 |
| Hearne, O.B. O-13-21344 | Borderline Operating Corp. | Senkel (Caddo 4600) | Young | 6 | 3.95K | 27.9K | by Jan 1993 – Aug 2006 |
| Mathis G-13-124781 | Borderline Operating Corp. | TJN (Conglomerate) | Jack | 1 | 3.86K | 461K | by Jan 1993 – Mar 2010 |
| Treadwell-Allen Unit G-8-69179 | Borderline Operating Corp. | Harken (Conglomerate) | Palo Pinto | 1 | 3.75K | 115K | Feb 1993 – Oct 2011 |
| Nytex-Coley O-13-32780 | Borderline Operating Corp. | KRS (Marble Falls) | Jack | 1 | 3.62K | 296K | Jun 2013 – Apr 2025 |
| BLM O-13-30411 | Borderline Operating Corp. | Newark, East (Barnett Shale) | Wise | 1 | 3.55K | 113K | Mar 2005 – Aug 2013 |
| E. Stewart O-13-32644 | Borderline Operating Corp. | KRS (Marble Falls) | Jack | 1 | 3.51K | 160K | Aug 2013 – Mar 2024 |
| Owens O-13-19577 | Borderline Operating Corp. | Woodkirk (Strawn) | Jack | 3 | 3.42K | 21 | by Jan 1993 – Jan 2002 |
| Moren O-13-34120 | Borderline Operating Corp. | Young County Regular | Young | 2 | 3.31K | 0 | Aug 2022 – Apr 2026 |
| Loftin O-13-22697 | Borderline Operating Corp. | Senkel (Caddo 4600) | Young | 8 | 2.77K | 29.4K | by Jan 1993 – Oct 2006 |
| Gilmore, H. C. G-13-59410 | Borderline Operating Corp. | Finis, Southwest (Congl. 4100) | Jack | 1 | 2.76K | 39.7K | May 2011 – Jan 2021 |
| Nytex Newman O-13-32781 | Borderline Operating Corp. | KRS (Marble Falls) | Jack | 1 | 2.67K | 134K | May 2013 – Mar 2021 |
| Davis, Joe O-8-25137 | Borderline Operating Corp. | Humphrey-Chapman (Strawn, Upper) | Haskell | 1 | 2.66K | 9 | by Jan 1993 – Oct 2003 |
| Eddleman G-13-101063 | Borderline Operating Corp. | Graham, North (Marble Falls) | Young | 1 | 2.46K | 55.4K | by Jan 1993 – Oct 2001 |
| McDaniel Ranch Faris Unit G-13-239462 | Borderline Operating Corp. | Newark, East (Barnett Shale) | Erath | 1 | 2.37K | 79.6K | May 2007 – Jul 2010 |
| Toni O-13-30380 | Borderline Operating Corp. | Newark, East (Barnett Shale) | Cooke | 1 | 2.13K | 73.1K | Nov 2004 – Dec 2014 |
| Atwood, Fred O-13-12445 | Borderline Operating Corp. | Young County Regular | Young | 6 | 1.98K | 263K | by Jan 1993 – Dec 2006 |
| Blais O-13-30698 | Borderline Operating Corp. | Newark, East (Barnett Shale) | Wise | 1 | 1.96K | 22.6K | Jul 2006 – Aug 2013 |
| Box Heirs O-13-21614 | Borderline Operating Corp. | Bryson, East | Jack | 1 | 1.89K | 21 | by Jan 1993 – Nov 2001 |
| Loftin "B" O-13-25210 | Borderline Operating Corp. | Senkel (Caddo 4600-N.) | Young | 2 | 1.89K | 57.9K | by Jan 1993 – Sep 2005 |
| Owen-Zelma O-13-27372 | Borderline Operating Corp. | Askew (Strawn) | Jack | 1 | 1.88K | 42.1K | by Jan 1993 – Apr 2002 |
| Couch Mitchell-Lollar O-8-30768 | Borderline Operating Corp. | Jones County Regular | Jones | 1 | 1.86K | 0 | Sep 2009 – Feb 2019 |
| Burnett, Dovie G-13-208210 | Borderline Operating Corp. | Dovie (Bend) | Young | 1 | 1.84K | 245K | Aug 2004 – Aug 2025 |
| Burns O-13-32831 | Borderline Operating Corp. | Bryson (Marble Falls) | Jack | 1 | 1.45K | 58.3K | Nov 2013 – Dec 2017 |
| Willis, Gail O-13-22359 | Borderline Operating Corp. | Young County Regular | Young | 2 | 1.42K | 4.09K | Feb 1993 – Aug 1994 |
| Houston Ranch East G-13-240675 | Borderline Operating Corp. | Newark, East (Barnett Shale) | Palo Pinto | 1 | 1.41K | 116K | Oct 2008 – Feb 2012 |
| Lowrie, J. D., Regular O-13-11734 | Borderline Operating Corp. | Jack County Regular | Jack | 1 | 1.31K | 473 | by Jan 1993 – Jan 2007 |
| Brown, Lupton G-13-147636 | Borderline Operating Corp. | Cundiff, South (Congl. 5300) | Jack | 1 | 1.29K | 140K | Nov 1993 – Apr 2020 |
| Lowrie, J. D. G-13-29313 | Borderline Operating Corp. | Boonsville (Bend Congl., Gas) | Jack | 1 | 1.27K | 353K | by Jan 1993 – Jan 2006 |
| Shoemate, Lena O-13-18968 | Borderline Operating Corp. | Bergen (Miss) | Young | 1 | 1.25K | 18.7K | Jan 1997 – Sep 2014 |
| Houston B O-13-32896 | Borderline Operating Corp. | KRS (Marble Falls) | Jack | 1 | 1.24K | 25.2K | Apr 2014 – Dec 2015 |
| Manley G-8-141833 | Borderline Operating Corp. | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 1.11K | 150K | by Jan 1993 – Mar 2002 |
| Kisinger O-13-28857 | Borderline Operating Corp. | Young County Regular | Young | 1 | 1.03K | 26.6K | Sep 1994 – Oct 2008 |
| Maines O-13-26009 | Borderline Operating Corp. | Bunger Bridge (Congl) | Young | 1 | 1.03K | 6.36K | by Jan 1993 – Mar 2006 |
| Gough, Zelma O-13-27498 | Borderline Operating Corp. | Jack County Regular | Jack | 1 | 979 | 16.8K | by Jan 1993 – Feb 2002 |
| Snodgrass O-13-32751 | Borderline Operating Corp. | KRS (Marble Falls) | Jack | 1 | 938 | 13.8K | Sep 2013 – Aug 2016 |