| 846650 | Nov 27, 2018 | Nov 27, 2018 | Proco Operating Co., Inc. | Palo Pinto | Collins, P.H. Unit #18 | 1,600 | 36335033 |
| 825744 | Apr 28, 2017 | Apr 28, 2017 | Proco Operating Co., Inc. | Palo Pinto | Bowden-Bane #4 | 2,000 | 36336337 |
| 822531 | Feb 3, 2017 | Feb 3, 2017 | Proco Operating Co., Inc. | Dickens | Beggs Trust #1301 | 4,100 | 12531363 |
| 821813 | Jan 10, 2017 | Jan 10, 2017 | Proco Operating Co., Inc. | Palo Pinto | P.H. Collins Unit #24 | 5,200 | 36336333 |
| 817180 | Jul 20, 2016 | Jul 20, 2016 | Proco Operating Co., Inc. | Palo Pinto | Nash #5 | 4,999 | 36336331 |
| 816579 | Jun 28, 2016 | Jun 28, 2016 | Proco Operating Co., Inc. | Palo Pinto | Nash #4 | 4,999 | 36336328 |
| 816578 | Jun 28, 2016 | Jun 28, 2016 | Proco Operating Co., Inc. | Palo Pinto | Hart-Hickman #12 | 4,999 | 36336329 |
| 816559 | Jun 27, 2016 | Jun 27, 2016 | Proco Operating Co., Inc. | Palo Pinto | Hart-Hickman #11 | 4,999 | 36336330 |
| 815166 | Apr 22, 2016 | Apr 22, 2016 | Proco Operating Co., Inc. | Palo Pinto | Nash #3 | 4,999 | 36336326 |
| 815162 | Apr 22, 2016 | Apr 22, 2016 | Proco Operating Co., Inc. | Palo Pinto | Hart-Hickman #9 | 4,999 | 36336327 |
| 806019 | May 6, 2015 | May 6, 2015 | Proco Operating Co., Inc. | Palo Pinto | Hart Ranch #10 | 1,999 | 36336301 |
| 717835 | Jun 9, 2011 | Jun 9, 2011 | Proco Operating Co., Inc. | De Witt | O.L. Caruthers #3 | 5,050 | 12300549 |
| 706672 | Dec 29, 2010 | Dec 29, 2010 | Proco Operating Co., Inc. | Karnes | Phillip Unit 1 #1 | 8,000 | 25531822 |
| 695614 | May 12, 2010 | May 12, 2010 | Proco Operating Co., Inc. | Karnes | Busby #1 | 12,000 | 25531357 |
| 679577 | Mar 20, 2009 | Mar 20, 2009 | Proco Operating Co., Inc. | De Witt | Cromwell Caruthers Unit #1 | 5,150 | 12332286 |
| 633374 | Feb 14, 2007 | Feb 14, 2007 | Proco Operating Co., Inc. | Hood | Evans-Overstreet #1 | 3,550 | 22131289 |
| 633374Amendment | Feb 14, 2007 | Feb 14, 2007 | Proco Operating Co., Inc. | Hood | Evans-Overstreet #1 | 3,550 | 22131289 |
| 633374Amendment | Feb 14, 2007 | Feb 14, 2007 | Proco Operating Co., Inc. | Hood | Evans-Overstreet #1 | 6,000 | 22131289 |
| 630494 | Dec 15, 2006 | Dec 15, 2006 | Proco Operating Co., Inc. | Palo Pinto | Padgett Ranch #12 HH | 5,000 | 36335622 |
| 620120 | May 31, 2006 | May 31, 2006 | Proco Operating Co., Inc. | Palo Pinto | Padgett Ranch #11HH | 6,500 | 36335552 |
| 619343 | May 17, 2006 | May 17, 2006 | Proco Operating Co., Inc. | Palo Pinto | Padgett Ranch #2 | 4,999 | 36330743 |
| 619343Amendment | May 17, 2006 | May 17, 2006 | Proco Operating Co., Inc. | Palo Pinto | Padgett Ranch #2H | 4,999 | 36330743 |
| 617378 | Apr 12, 2006 | Apr 12, 2006 | Proco Operating Co., Inc. | Palo Pinto | Nash-Murphy #1 | 4,999 | 36335530 |
| 617378Amendment | Apr 12, 2006 | Apr 12, 2006 | Proco Operating Co., Inc. | Palo Pinto | Nash-Murphy #1 | 4,999 | 36335530 |
| 611568 | Dec 27, 2005 | Dec 27, 2005 | Proco Operating Co., Inc. | Palo Pinto | Hart Ranch #8 | 4,999 | 36335491 |
| 558627 | Mar 7, 2005 | Mar 7, 2005 | Proco Operating Co., Inc. | Palo Pinto | Hart Ranch #2 | 4,650 | 36332875 |
| 558627Amendment | Mar 7, 2005 | Mar 7, 2005 | Proco Operating Co., Inc. | Palo Pinto | Hart Ranch #2 | 4,650 | 36332875 |
| 549385 | Aug 10, 2004 | Aug 10, 2004 | Proco Operating Co., Inc. | Palo Pinto | Nash #1 | 5,050 | 36332318 |
| 549384 | Aug 10, 2004 | Aug 10, 2004 | Proco Operating Co., Inc. | Parker | Youngblood, M #1 | 4,847 | 36732768 |
| 548458 | Jul 20, 2004 | Jul 20, 2004 | Proco Operating Co., Inc. | Palo Pinto | Murphy, Vivian #1 | 4,860 | 36332645 |
| 293750 | Dec 30, 1985 | Dec 30, 1985 | Proco Operating Co., Inc. | Eastland | McCollum "A" #2 | 3,500 | 13336781 |
| 293748 | Dec 30, 1985 | Dec 30, 1985 | Proco Operating Co., Inc. | Eastland | McCollum "A" #1 | 3,500 | 13336780 |
| 293880 | Dec 30, 1985 | Dec 30, 1985 | Proco Operating Co., Inc. | Eastland | Brown, T. #2 | 3,500 | 13336783 |
| 281485 | Jul 31, 1985 | Jul 31, 1985 | Proco Operating Co., Inc. | Eastland | McCollum, Joe #4 | 3,500 | 13336570 |
| 281487 | Jul 31, 1985 | Jul 31, 1985 | Proco Operating Co., Inc. | Eastland | McCollum, Joe #3 | 3,500 | 13336571 |
| 279602 | Jul 5, 1985 | Jul 5, 1985 | Proco Operating Co., Inc. | Comanche | Mercer, J. H. #1 | 2,670 | 09301170 |
| 276524 | Jun 3, 1985 | Jun 3, 1985 | Proco Operating Co., Inc. | Eastland | J. E. Allen Unit #1 | 3,500 | 13336509 |
| 276474 | May 31, 1985 | May 31, 1985 | Proco Operating Co., Inc. | Comanche | Hicks-Santa FE #1 | 3,500 | 09331347 |
| 271268 | Apr 2, 1985 | Apr 2, 1985 | Proco Operating Co., Inc. | Parker | Young #1 | 4,950 | 36732876 |
| 266872 | Feb 14, 1985 | Feb 14, 1985 | Proco Operating Co., Inc. | Comanche | Santa FE-Bryan #1 | 2,750 | 09331252 |
| 261163 | Dec 13, 1984 | Dec 13, 1984 | Proco Operating Co., Inc. | Eastland | McCollum #2 | 3,500 | 13336256 |
| 260237 | Dec 7, 1984 | Dec 7, 1984 | Proco Operating Co., Inc. | Eastland | McCollum #1D | 3,000 | 13381269 |
| 258331 | Nov 20, 1984 | Nov 20, 1984 | Proco Operating Co., Inc. | Eastland | Whiteside "A" #1 | 3,500 | 13330205 |
| 258412 | Nov 20, 1984 | Nov 20, 1984 | Proco Operating Co., Inc. | Eastland | Whiteside #2D | 3,000 | 13381262 |
| 255803 | Oct 25, 1984 | Oct 25, 1984 | Proco Operating Co., Inc. | Eastland | Whiteside #5 | 3,500 | 13336166 |
| 255156 | Oct 19, 1984 | Oct 19, 1984 | Proco Operating Co., Inc. | Comanche | Waldrup #1 | 3,500 | 09331296 |
| 254008 | Oct 10, 1984 | Oct 10, 1984 | Proco Operating Co., Inc. | Eastland | Whiteside #4 | 3,500 | 13336136 |
| 251903 | Sep 19, 1984 | Sep 19, 1984 | Proco Operating Co., Inc. | Eastland | Whiteside #3 | 3,500 | 13336088 |
| 250097 | Aug 30, 1984 | Aug 30, 1984 | Proco Operating Co., Inc. | Eastland | Whiteside #2 | 3,500 | 13336050 |
| 250100 | Aug 30, 1984 | Aug 30, 1984 | Proco Operating Co., Inc. | Comanche | Dudley #1 | 3,600 | 09331284 |
| 249038 | Aug 20, 1984 | Aug 20, 1984 | Proco Operating Co., Inc. | Parker | Babb #2 | 2,150 | 36732773 |
| 248359 | Aug 14, 1984 | Aug 14, 1984 | Proco Operating Co., Inc. | Eastland | McCollum #1 | 3,500 | 13336021 |
| 246345 | Jul 25, 1984 | Jul 25, 1984 | Proco Operating Co., Inc. | Eastland | Edwards-McCollum #1 | 3,500 | 13336005 |
| 244185 | Jul 3, 1984 | Jul 3, 1984 | Proco Operating Co., Inc. | Comanche | Burns, J. C. #1 | 2,800 | 09300320 |
| 244324 | Jul 3, 1984 | Jul 3, 1984 | Proco Operating Co., Inc. | Comanche | Burns, J. C. #4 | 3,150 | 09300323 |
| 243882 | Jul 2, 1984 | Jul 2, 1984 | Proco Operating Co., Inc. | Parker | Hayter #6 | 2,000 | 36732760 |
| 243883 | Jul 2, 1984 | Jul 2, 1984 | Proco Operating Co., Inc. | Parker | Hayter #5 | 2,000 | 36732761 |
| 239348 | May 18, 1984 | May 18, 1984 | Proco Operating Co., Inc. | Comanche | Dominey #1 | 2,650 | 09330948 |
| 239396 | May 18, 1984 | May 18, 1984 | Proco Operating Co., Inc. | Comanche | Curb, E. L. #1 | 3,400 | 09331257 |
| 239399 | May 18, 1984 | May 18, 1984 | Proco Operating Co., Inc. | Comanche | Hampton #1 | 3,400 | 09331258 |
| 238482 | May 10, 1984 | May 10, 1984 | Proco Operating Co., Inc. | Comanche | Santa FE-Bryan #2 | 3,400 | 09331254 |
| 238481 | May 10, 1984 | May 10, 1984 | Proco Operating Co., Inc. | Comanche | Lamar #1 | 3,400 | 09331253 |
| 238480 | May 10, 1984 | May 10, 1984 | Proco Operating Co., Inc. | Comanche | Santa FE-Bryan #1 | 3,400 | 09331252 |
| 237591 | May 2, 1984 | May 2, 1984 | Proco Operating Co., Inc. | Eastland | Kizer, R. E. #1 | 3,500 | 13335845 |
| 235375 | Apr 11, 1984 | Apr 11, 1984 | Proco Operating Co., Inc. | Comanche | Dominey #2 | 3,400 | 09331244 |
| 233786 | Mar 27, 1984 | Mar 27, 1984 | Proco Operating Co., Inc. | Parker | Schutts #1 | 2,500 | 36732699 |
| 232406 | Mar 9, 1984 | Mar 9, 1984 | Proco Operating Co., Inc. | Comanche | Dominey #3D | 1,350 | 09300726 |
| 225937 | Jan 5, 1984 | Jan 5, 1984 | Proco Operating Co., Inc. | Taylor | South Shep - Casey #1 | 6,000 | 44132681 |
| 225950 | Jan 5, 1984 | Jan 5, 1984 | Proco Operating Co., Inc. | Parker | Hayter #3 | 1,915 | 36732666 |
| 225945 | Jan 5, 1984 | Jan 5, 1984 | Proco Operating Co., Inc. | Parker | Hayter #4 | 2,500 | 36732665 |
| 225939 | Jan 5, 1984 | Jan 5, 1984 | Proco Operating Co., Inc. | Parker | Hayter #1 | 2,500 | 36732663 |
| 183194 | Dec 31, 1982 | Dec 31, 1982 | Proco Operating Co., Inc. | Eastland | Whiteside #1A | 1,250 | 13334614 |
| 162322 | May 27, 1982 | May 27, 1982 | Proco Operating Co., Inc. | Eastland | Whiteside "B" #1 | 2,970 | 13333960 |
| 158294 | Apr 27, 1982 | Apr 27, 1982 | Proco Operating Co., Inc. | Eastland | Williams #1 | 3,369 | 13333865 |