| 778166 | Feb 12, 2014 | Feb 12, 2014 | Cambridge Production, Inc. | Oldham | Everett #1 | 7,200 | 35930397 |
| 776608 | Jan 16, 2014 | Jan 16, 2014 | Cambridge Production, Inc. | Oldham | Chester Dome #1 | 7,200 | 35930396 |
| 776094 | Jan 8, 2014 | Jan 8, 2014 | Cambridge Production, Inc. | Oldham | Angus #1 | 7,200 | 35930395 |
| 775737 | Jan 2, 2014 | Jan 2, 2014 | Cambridge Production, Inc. | Oldham | Lola #1 | 7,200 | 35930394 |
| 774285 | Dec 5, 2013 | Dec 5, 2013 | Cambridge Production, Inc. | Oldham | Cochise #1 | 10,000 | 35930391 |
| 758723 | Mar 25, 2013 | Mar 25, 2013 | Cambridge Production, Inc. | Roberts | Hill #2 | 8,425 | 39331464 |
| 739297 | May 10, 2012 | May 10, 2012 | Cambridge Production, Inc. | Ochiltree | Greever #3HH | 8,500 | 35733115 |
| 736082 | Mar 28, 2012 | Mar 28, 2012 | Cambridge Production, Inc. | Hartley | Frantz #6 | 4,000 | 20530353 |
| 736017 | Mar 24, 2012 | Mar 24, 2012 | Cambridge Production, Inc. | Oldham | LS Tank #1 | 7,500 | 35930349 |
| 724997 | Sep 28, 2011 | Sep 28, 2011 | Cambridge Production, Inc. | Ochiltree | Greever #2HH | 7,000 | 35733038 |
| 707823 | Jan 5, 2011 | Jan 5, 2011 | Cambridge Production, Inc. | Oldham | CS, Jr. 'A' #1 | 7,500 | 35930336 |
| 705184 | Nov 16, 2010 | Nov 16, 2010 | Cambridge Production, Inc. | Hartley | Frantz #5 | 7,700 | 20530334 |
| 695982 | May 17, 2010 | May 17, 2010 | Cambridge Production, Inc. | Dallam | Enns "A" #1 | 6,500 | 11130110 |
| 694688 | Apr 23, 2010 | Apr 23, 2010 | Cambridge Production, Inc. | Hartley | Frantz #4 | 7,700 | 20530326 |
| 693583 | Mar 29, 2010 | Mar 29, 2010 | Cambridge Production, Inc. | Hartley | Frantz #3 | 7,700 | 20530317 |
| 688210 | Dec 7, 2009 | Dec 7, 2009 | Cambridge Production, Inc. | Hartley | Enns #1 | 7,900 | 20530321 |
| 684743 | Sep 3, 2009 | Sep 3, 2009 | Cambridge Production, Inc. | Hartley | Frantz #3 | 7,800 | 20530317 |
| 659677 | Apr 28, 2008 | Apr 28, 2008 | Cambridge Production, Inc. | Hartley | Frantz #2 | 4,100 | 20530315 |
| 648991 | Nov 9, 2007 | Nov 9, 2007 | Cambridge Production, Inc. | Hartley | Frantz #1 | 7,500 | 20530313 |
| 605616 | Aug 30, 2005 | Aug 30, 2005 | Cambridge Production, Inc. | Wheeler | Meek #2012 | 15,000 | 48331936 |
| 560621 | Apr 21, 2005 | Apr 21, 2005 | Cambridge Production, Inc. | Wheeler | Meek #1012 | 14,700 | 48330609 |
| 541124 | Jan 23, 2004 | Jan 23, 2004 | Cambridge Production, Inc. | Wheeler | Craddock #1 | 13,700 | 48331665 |
| 533975 | Jul 9, 2003 | Jul 9, 2003 | Cambridge Production, Inc. | Wheeler | Old Highway #1 | 13,800 | 48331632 |
| 533975Amendment | Jul 9, 2003 | Jul 9, 2003 | Cambridge Production, Inc. | Wheeler | Old Highway #1 | 13,807 | 48331632 |
| 533975Amendment | Jul 9, 2003 | Jul 9, 2003 | Cambridge Production, Inc. | Wheeler | Old Highway #1 | 13,900 | 48331632 |
| 527160 | Jan 10, 2003 | Jan 10, 2003 | Cambridge Production, Inc. | Wheeler | Treadwell #108 | 18,000 | 48330020 |
| 510620 | Jul 10, 2001 | Jul 10, 2001 | Cambridge Production, Inc. | Wheeler | Norman #2 | 12,900 | 48331612 |
| 503677 | Jan 4, 2001 | Jan 4, 2001 | Cambridge Production, Inc. | Roberts | Brainard #202A | 7,000 | 39330578 |
| 498702Amendment | Aug 22, 2000 | Aug 22, 2000 | Cambridge Production, Inc. | Gray | Webb, A. A. #1 | 13,200 | 17932393 |
| 498702Amendment | Aug 22, 2000 | Aug 22, 2000 | Cambridge Production, Inc. | Gray | Webb, A. A. #1 | 13,200 | 17932393 |
| 492855Amendment | Mar 8, 2000 | Mar 8, 2000 | Cambridge Production, Inc. | Roberts | Hill #2 | 11,300 | 39331464 |
| 492855Amendment | Mar 8, 2000 | Mar 8, 2000 | Cambridge Production, Inc. | Roberts | Hill #2 | 11,300 | 39331464 |
| 492794 | Mar 6, 2000 | Mar 6, 2000 | Cambridge Production, Inc. | Wheeler | Maurita #1 | 13,000 | 48331580 |
| 488628Amendment | Oct 21, 1999 | Oct 21, 1999 | Cambridge Production, Inc. | Roberts | Brainard #201A | 7,000 | 39330880 |
| 487319 | Sep 8, 1999 | Sep 8, 1999 | Cambridge Production, Inc. | Wheeler | Duncan #5 | 13,200 | 48331576 |
| 485224 | Jun 17, 1999 | Jun 17, 1999 | Cambridge Production, Inc. | Wheeler | Rob #2 | 13,200 | 48331574 |
| 484428 | May 12, 1999 | May 12, 1999 | Cambridge Production, Inc. | Wheeler | Ridgeway #1 | 13,000 | 48331569 |
| 481863 | Dec 31, 1998 | Dec 31, 1998 | Cambridge Production, Inc. | Wheeler | Hathaway #1 | 14,300 | 48331187 |
| 480667 | Nov 10, 1998 | Nov 10, 1998 | Cambridge Production, Inc. | Wheeler | Farmer's Union #1 | 12,600 | 48331557 |
| 473816 | Mar 6, 1998 | Mar 6, 1998 | Cambridge Production, Inc. | Wheeler | Duncan #4 | 13,200 | 48331532 |
| 469679 | Nov 5, 1997 | Nov 5, 1997 | Cambridge Production, Inc. | Moore | Read #1 | 3,300 | 34132559 |
| 468953 | Oct 22, 1997 | Oct 22, 1997 | Cambridge Production, Inc. | Wheeler | Norman #1 | 13,200 | 48331516 |
| 463102 | Jun 5, 1997 | Jun 5, 1997 | Cambridge Production, Inc. | Wheeler | Duncan #3 | 13,200 | 48331500 |
| 457942 | Feb 10, 1997 | Feb 10, 1997 | Cambridge Production, Inc. | Moore | Masterson, R.B. #1 | 3,300 | 34132513 |
| 450565 | Jul 22, 1996 | Jul 22, 1996 | Cambridge Production, Inc. | Wheeler | Duncan #2 | 13,200 | 48331490 |
| 450588 | Jul 19, 1996 | Jul 19, 1996 | Cambridge Production, Inc. | Wheeler | Sims #2 | 13,200 | 48331489 |
| 448600 | Jun 5, 1996 | Jun 5, 1996 | Cambridge Production, Inc. | Moore | Brent/Thompson #1 | 3,700 | 34132482 |
| 445056 | Feb 28, 1996 | Feb 28, 1996 | Cambridge Production, Inc. | Wheeler | Dunn #1 | 13,200 | 48331481 |
| 427056 | Aug 22, 1994 | Aug 22, 1994 | Cambridge Production, Inc. | Hartley | Chain "C" Farms #2 | 8,400 | 20530117 |
| 426896 | Aug 15, 1994 | Aug 15, 1994 | Cambridge Production, Inc. | Hartley | Chain "C" Farms #1 | 6,300 | 20530261 |
| 416533 | Sep 28, 1993 | Sep 28, 1993 | Cambridge Production, Inc. | Hartley | Frost #1 | 3,700 | 20530248 |
| 414481 | Aug 5, 1993 | Aug 5, 1993 | Cambridge Production, Inc. | Wheeler | Hogan #1 | 13,200 | 48331447 |
| 407333 | Dec 16, 1992 | Dec 16, 1992 | Cambridge Production, Inc. | Wheeler | Duncan #1 | 13,100 | 48331441 |
| 405293 | Nov 4, 1992 | Nov 4, 1992 | Cambridge Production, Inc. | Hartley | Read Estate #1 | 3,700 | 20530238 |
| 390884 | Aug 19, 1991 | Aug 19, 1991 | Cambridge Production, Inc. | Hardeman | Aulds #1 | 9,300 | 19731184 |
| 382457 | Dec 31, 1990 | Dec 31, 1990 | Cambridge Production, Inc. | Hartley | Christine #1 | 3,700 | 20530222 |
| 381712 | Dec 10, 1990 | Dec 10, 1990 | Cambridge Production, Inc. | Hartley | Chaloupka #1 | 3,700 | 20530221 |
| 381711 | Dec 10, 1990 | Dec 10, 1990 | Cambridge Production, Inc. | Hartley | Silberberg #1 | 3,700 | 20530220 |
| 381710 | Dec 10, 1990 | Dec 10, 1990 | Cambridge Production, Inc. | Hartley | Deen #1 | 3,700 | 20530219 |
| 381709 | Dec 10, 1990 | Dec 10, 1990 | Cambridge Production, Inc. | Hartley | Claughton #1 | 3,700 | 20530218 |