| Collins P. H. Unit #1842-363-35033 | Proco Operating Co. Inc. | Palo PintoPalo Pinto County Regular | PluggedGas | 4,999 | Nov 27, 2018 | 2 | — |
| Bowden-Bane #442-363-36337 | Proco Operating Co. Inc. | Palo PintoHart Ranch (Strawn) | PluggedGas | 2,000 | Apr 28, 2017 | 1 | May 2018 |
| P.H. Collins Unit #2442-363-36333 | Proco Operating Co. Inc. | Palo PintoOran (Marble Falls) | ActiveGas | 5,107 | Jan 10, 2017 | 1 | Feb 2021 |
| Nash #542-363-36331 | Proco Operating Co. Inc. | Palo PintoOran (Marble Falls) | PluggedGas | 4,999 | Jul 20, 2016 | 1 | Feb 2021 |
| Nash #442-363-36328 | Proco Operating Co. Inc. | Palo PintoPickwick (Marble Falls) | PluggedOil | 4,999 | Jun 28, 2016 | 1 | Feb 2021 |
| Hart-Hickman #1242-363-36329 | Proco Operating Co. Inc. | Palo PintoOran (Marble Falls) | PluggedOil | 4,999 | Jun 28, 2016 | 1 | Jul 2021 |
| Hart-Hickman #1142-363-36330 | Proco Operating Co. Inc. | Palo PintoOran (Marble Falls) | PluggedOil | 4,999 | Jun 27, 2016 | 1 | Jul 2021 |
| Nash #342-363-36326 | Proco Operating Co. Inc. | Palo PintoPickwick (Marble Falls) | PluggedOil | 4,999 | Apr 22, 2016 | 1 | Feb 2021 |
| Hart-Hickman #942-363-36327 | Proco Operating Co. Inc. | Palo PintoOran (Marble Falls) | PluggedOil | 4,999 | Apr 22, 2016 | 1 | Jul 2021 |
| South Graford #342-363-36320 | Proco Operating Co. Inc. | Palo PintoGraford E. (Strawn) | PluggedOil | 2,450 | Nov 23, 2015 | 1 | Oct 2019 |
| Hart Ranch #1042-363-36301 | Proco Operating Co. Inc. | Palo PintoHart Ranch (Strawn) | Temporarily abandonedGas | 1,952 | May 6, 2015 | 1 | Dec 2021 |
| Clayton Heirs #142-363-36240 | Proco Operating Co. Inc. | Palo PintoKRS (Marble Falls) | Shut inOil | 8,385 | Jun 25, 2014 | 1 | Oct 2020 |
| Cranford-Lyon #142-237-40130 | Proco Operating Co. Inc. | JackKRS (Marble Falls) | PluggedGas | 5,600 | May 30, 2014 | 1 | Feb 2021 |
| Tucker Oil Unit 1 #142-237-39830 | Proco Operating Co. Inc. | JackKRS (Marble Falls) | PluggedOil | 5,450 | Aug 9, 2013 | 2 | May 2020 |
| McQuerry #142-363-36168 | Proco Operating Co. Inc. | Palo PintoKRS (Marble Falls) | Shut inOil | 5,073 | Aug 8, 2013 | 2 | Dec 2020 |
| McAvoy Martha #342-363-36164 | Proco Operating Co. Inc. | Palo PintoKRS (Marble Falls) | PluggedGas | 5,200 | Jul 17, 2013 | 2 | Feb 2021 |
| Cook J. T. #242-363-36163 | Proco Operating Co. Inc. | Palo PintoKRS (Marble Falls) | Shut inOil | 5,275 | Jul 16, 2013 | 1 | Dec 2019 |
| Tucker D. W. a #142-237-33349 | Proco Operating Co. Inc. | JackPerrin SW (Congl 4850) | PluggedGas | 4,950 | Apr 24, 2013 | 2 | Aug 2014 |
| South Graford #242-363-36118 | Proco Operating Co. Inc. | Palo PintoPickwick (Marble Falls) | PluggedGas | 5,000 | Feb 22, 2013 | 2 | Jan 2020 |
| South Graford #142-363-36091 | Proco Operating Co. Inc. | Palo PintoPickwick (Marble Falls) | PluggedOil | 4,999 | Sep 19, 2012 | 1 | Feb 2021 |
| Yates L. H. B #242-237-38377 | Proco Operating Co. Inc. | JackBenda (Caddo) | PluggedGas | 6,200 | Aug 21, 2012 | 2 | Jun 2016 |
| Tucker D. W. #342-237-38853 | Proco Operating Co. Inc. | JackPerrin SW (Congl 4850) | PluggedGas | 6,000 | Jul 21, 2010 | 2 | May 2018 |
| Century #142-363-36001 | Proco Operating Co. Inc. | Palo PintoJMG Mag (Miss) | PluggedOil | 6,000 | Jul 21, 2010 | 1 | Dec 2019 |
| C. P. Clayton a #1HHZ42-237-39337 | Proco Operating Co. Inc. | JackNewark East (Barnett Shale) | PluggedGas | 5,400 | Apr 21, 2010 | 1 | Feb 2021 |
| J.T. Cook #1HHZ42-363-35943 | Proco Operating Co. Inc. | Palo PintoNewark East (Barnett Shale) | Shut inOil | 5,148 | Jul 3, 2009 | 2 | Feb 2021 |
| Scott Jack #242-059-31093 | Proco Operating Co. Inc. | CallahanA. C. Scott W. (Ellen) | PluggedOil | 4,004 | May 4, 2009 | 1 | — |
| Evans-Overstreet #142-221-31289 | Proco Operating Co. Inc. | HoodNewark East (Barnett Shale) | Temporarily abandonedGas | 5,908 | Feb 14, 2007 | 3 | Apr 2017 |
| Padgett Ranch #2HZ42-363-30743 | Proco Operating Co. Inc. | Palo PintoJ. V. T. (Strawn 2400) | PluggedGas | 4,999 | May 17, 2006 | 2 | May 2006 |
| P.H. Collins Unit #2142-363-35511 | Proco Operating Co. Inc. | Palo PintoNorthridge (Atoka Congl.) | PluggedGas | 5,500 | Feb 8, 2006 | 1 | Feb 2021 |
| Hart Ranch #842-363-35491 | Proco Operating Co. Inc. | Palo PintoHart Ranch (Strawn) | PluggedGas | 4,999 | Dec 27, 2005 | 1 | — |
| Lyon -B- #242-363-35413 | Proco Operating Co. Inc. | Palo PintoHart Ranch (Congl. 4150) | Temporarily abandonedGas | 4,560 | Jul 27, 2005 | 1 | May 2016 |
| Hart Ranch #242-363-32875 | Proco Operating Co. Inc. | Palo PintoPickwick (Marble Falls) | PluggedOil | 5,200 | Mar 7, 2005 | 3 | Oct 2016 |
| Nash #142-363-32318 | Proco Operating Co. Inc. | Palo PintoNewark East (Barnett Shale) | PluggedOil | 5,050 | Aug 10, 2004 | 3 | Apr 2013 |
| Youngblood M. #142-367-32768 | Proco Operating Co. Inc. | ParkerSoda Springs (Strawn) | PluggedGas | 5,000 | Aug 10, 2004 | 2 | Jul 2007 |
| Collins P. H. Unit #1942-363-35121 | Proco Operating Co. Inc. | Palo PintoGraford (Atoka Congl.) | PluggedGas | 4,999 | Oct 25, 2002 | 1 | May 2005 |
| Tri State Leasing Corp. #242-363-34761 | Proco Operating Co. Inc. | Palo PintoPalo Pinto Co. Reg. (Gas) | PluggedGas | 5,500 | Jun 20, 2001 | 2 | Feb 2021 |
| Collins P. H. Unit #1742-363-34968 | Proco Operating Co. Inc. | Palo PintoBartons Chapel S. (Strawn 3200) | PluggedGas | 4,999 | Oct 3, 2000 | 1 | Oct 2013 |
| Collins P. H. Unit #1642-363-34969 | Proco Operating Co. Inc. | Palo PintoNorthridge (Atoka Congl.) | PluggedGas | 4,999 | Oct 3, 2000 | 1 | Feb 2009 |
| Collins P. H. Unit #542-363-34950 | Proco Operating Co. Inc. | Palo PintoNorthridge (Atoka Congl.) | PluggedGas | 5,200 | Aug 8, 2000 | 2 | Feb 2021 |
| Yates L. H. B #142-237-05758 | Proco Operating Co. Inc. | JackJoplin SW. (Strawn) | PluggedGas | 5,644 | Jul 12, 2000 | 1 | Feb 2008 |
| Tri State Leasing Corp. #142-363-34843 | Proco Operating Co. Inc. | Palo PintoGraford N. (Strawn) | PluggedGas | 4,800 | Mar 29, 2000 | 3 | Feb 2021 |
| Collins P. H. Unit #242-363-33886 | Proco Operating Co. Inc. | Palo PintoBartons Chapel S.(strawn 3100) | PluggedGas | 4,900 | Mar 8, 2000 | 3 | Feb 2009 |
| Clayton C. P. #242-363-32972 | Proco Operating Co. Inc. | Palo PintoGraford (Caddo Congl.) | Temporarily abandonedGas | 4,770 | Sep 29, 1999 | 2 | Sep 2013 |
| McAvoy Martha #242-363-34511 | Proco Operating Co. Inc. | Palo PintoGraford N. (Strawn) | PluggedGas | 4,999 | Sep 3, 1998 | 3 | Feb 2021 |
| McAvoy Martha #142-363-34773 | Proco Operating Co. Inc. | Palo PintoBartons Chapel S. (Strawn 3200) | PluggedGas | 3,700 | Jun 15, 1998 | 1 | Feb 2021 |
| P. H. Collins Unit #1442-363-34438 | Proco Operating Co. Inc. | Palo PintoWagnon (Strawn Granny Sd.) | PluggedOil | 1,999 | Jul 6, 1995 | 1 | Nov 2016 |
| P. H. Collins Unit #1542-363-34439 | Proco Operating Co. Inc. | Palo PintoWagnon (Strawn Granny Sd.) | PluggedOil | 1,999 | Jul 6, 1995 | 1 | Nov 2016 |
| P. H. Collins Unit #1242-363-34431 | Proco Operating Co. Inc. | Palo PintoWagnon (Strawn Granny Sd.) | PluggedOil | 1,999 | Jun 22, 1995 | 1 | Nov 2016 |
| P. H. Collins Unit #1342-363-34432 | Proco Operating Co. Inc. | Palo PintoWagnon (Strawn Granny Sd.) | PluggedOil | 1,999 | Jun 22, 1995 | 1 | Nov 2016 |
| P. H. Collins Unit #642-363-34427 | Proco Operating Co. Inc. | Palo PintoWagnon (Strawn Granny Sd.) | PluggedOil | 1,999 | Jun 14, 1995 | 1 | Nov 2016 |