| 754322 | Jan 14, 2013 | Jan 14, 2013 | Chesapeake Operating, Inc. | Hueso Salto State 55-2-48 Lov #1HH | 12,600 | 30131915 |
| 751519 | Jan 9, 2013 | Jan 9, 2013 | Chesapeake Operating, Inc. | Tucker 1-75 Lov #2HH | 14,000 | 30131890 |
| 753585 | Dec 28, 2012 | Dec 28, 2012 | Chesapeake Operating, Inc. | Johnson 1-87 Lov #3HH | 16,000 | 30131908 |
| 751213 | Dec 28, 2012 | Dec 28, 2012 | Chesapeake Operating, Inc. | Johnson 1-86 #4HH | 18,000 | 30131888 |
| 753279 | Dec 19, 2012 | Dec 19, 2012 | Chesapeake Operating, Inc. | Lindley 54-2-30 #2HH | 13,000 | 30131906 |
| 752860 | Dec 13, 2012 | Dec 13, 2012 | Chesapeake Operating, Inc. | Ross 55-2-46 #1HH | 12,000 | 30131904 |
| 752559 | Dec 7, 2012 | Dec 7, 2012 | Chesapeake Operating, Inc. | Winnie Fay 55-2-40 Lov #1HH | 14,000 | 30131903 |
| 752360 | Dec 5, 2012 | Dec 5, 2012 | Chesapeake Operating, Inc. | Slack Box 54-2-32 Lov #1HH | 15,000 | 30131901 |
| 752093 | Nov 30, 2012 | Nov 30, 2012 | Chesapeake Operating, Inc. | University 19-23 Lov #2HH | 12,000 | 30131894 |
| 751582 | Nov 19, 2012 | Nov 19, 2012 | Chesapeake Operating, Inc. | Lindley 54-2-16 Lov #2HH | 18,000 | 30131891 |
| 750800 | Nov 6, 2012 | Nov 6, 2012 | Chesapeake Operating, Inc. | Johnson 54-2-38 Lov #1HH | 9,000 | 30131886 |
| 750733 | Nov 2, 2012 | Nov 2, 2012 | Chesapeake Operating, Inc. | Johnson 54-36 Lov #2HH | 14,000 | 30131882 |
| 749508 | Oct 16, 2012 | Oct 16, 2012 | Chesapeake Operating, Inc. | University 19-15 #2HH | 18,000 | 30131872 |
| 748957 | Oct 5, 2012 | Oct 5, 2012 | Chesapeake Operating, Inc. | Lindley 54-2-30 #1HH | 15,000 | 30131570 |
| 748604 | Oct 1, 2012 | Oct 1, 2012 | Chesapeake Operating, Inc. | Mansfeldt 55-1-12 Lov #1HH | 12,000 | 30131857 |
| 747888 | Sep 18, 2012 | Sep 18, 2012 | Chesapeake Operating, Inc. | University 20-7 #2HH | 12,000 | 30131847 |
| 747836 | Sep 17, 2012 | Sep 17, 2012 | Chesapeake Operating, Inc. | Wecc 76-28 Lov #1HH | 12,000 | 30131846 |
| 747595 | Sep 13, 2012 | Sep 13, 2012 | Chesapeake Operating, Inc. | Reed Trust 55-1-22 Lov #1HH | 12,000 | 30131844 |
| 747547 | Sep 13, 2012 | Sep 13, 2012 | Chesapeake Operating, Inc. | Johnson 1-86 #3HH | 18,000 | 30131842 |
| 746620 | Aug 24, 2012 | Aug 24, 2012 | Chesapeake Operating, Inc. | Odell State 54-1-6 Lov #1HH | 14,000 | 30131833 |
| 743593 | Aug 1, 2012 | Aug 1, 2012 | Chesapeake Operating, Inc. | Lindley 54-2-44 Lov #1HH | 12,000 | 30131804 |
| 744365 | Jul 24, 2012 | Jul 24, 2012 | Chesapeake Operating, Inc. | Slack Box 54-2-16 Lov #1HH | 14,000 | 30131817 |
| 744459 | Jul 20, 2012 | Jul 20, 2012 | Chesapeake Operating, Inc. | Bridwell 54-1-40 Lov #1HH | 10,000 | 30131819 |
| 744185 | Jul 16, 2012 | Jul 16, 2012 | Chesapeake Operating, Inc. | Johnson 53-2-20 Lov #1HH | 14,000 | 30131812 |
| 744184 | Jul 16, 2012 | Jul 16, 2012 | Chesapeake Operating, Inc. | Hardin-Simmons 53-2-8 Lov #1HH | 14,000 | 30131811 |
| 743626 | Jul 5, 2012 | Jul 5, 2012 | Chesapeake Operating, Inc. | Hanging H 55-1-32 Lov #1HH | 12,000 | 30131806 |
| 743594 | Jul 5, 2012 | Jul 5, 2012 | Chesapeake Operating, Inc. | Wallace 54-1-42 Lov #1HH | 12,000 | 30131805 |
| 743145 | Jun 27, 2012 | Jun 27, 2012 | Chesapeake Operating, Inc. | Johnson 54-2-24 Lov #1HH | 12,000 | 30131797 |
| 742887 | Jun 22, 2012 | Jun 22, 2012 | Chesapeake Operating, Inc. | University 20-5 #3HH | 12,000 | 30131794 |
| 742448 | Jun 18, 2012 | Jun 18, 2012 | Chesapeake Operating, Inc. | Lindley State 54-2-22 Lov #1HH | 12,000 | 30131792 |
| 741780 | Jun 8, 2012 | Jun 8, 2012 | Chesapeake Operating, Inc. | University 19-20 #2HH | 20,000 | 30131789 |
| 741777 | Jun 8, 2012 | Jun 8, 2012 | Chesapeake Operating, Inc. | University 20-20 #2HH | 20,000 | 30131788 |
| 740114 | May 17, 2012 | May 17, 2012 | Chesapeake Operating, Inc. | APC Fee 6 #2HH | 14,000 | 30131773 |
| 740114Amendment | May 17, 2012 | May 17, 2012 | Chesapeake Operating, Inc. | APC Fee 6 #2HH | 14,000 | 30131773 |
| 739170 | May 9, 2012 | May 9, 2012 | Chesapeake Operating, Inc. | Johnson 1-87 Lov #2HH | 16,000 | 30131765 |
| 738636 | May 2, 2012 | May 2, 2012 | Chesapeake Operating, Inc. | Wheat State 1-64 Lov #2HH | 12,000 | 30131761 |
| 737770 | Apr 21, 2012 | Apr 21, 2012 | Chesapeake Operating, Inc. | Tom McKnight 21 #2HH | 14,000 | 30131754 |
| 736806 | Apr 9, 2012 | Apr 9, 2012 | Chesapeake Operating, Inc. | Wheat Trust 1-63 Lov #1HH | 12,000 | 30131748 |
| 733963 | Feb 28, 2012 | Feb 28, 2012 | Chesapeake Operating, Inc. | Johnson 76-42 Lov #1HH | 13,000 | 30131728 |
| 733214 | Feb 16, 2012 | Feb 16, 2012 | Chesapeake Operating, Inc. | Wheat 1-59 Lov #1HH | 12,000 | 30131715 |
| 733204 | Feb 16, 2012 | Feb 16, 2012 | Chesapeake Operating, Inc. | Thorpe 1-74 #2HH | 18,000 | 30131714 |
| 732834 | Feb 10, 2012 | Feb 10, 2012 | Chesapeake Operating, Inc. | University 19-19 #2HH | 18,000 | 30131709 |
| 732832 | Feb 9, 2012 | Feb 9, 2012 | Chesapeake Operating, Inc. | University 19-13 #2HH | 18,000 | 30131705 |
| 732831 | Feb 9, 2012 | Feb 9, 2012 | Chesapeake Operating, Inc. | University 19-22 #2HH | 18,000 | 30131708 |
| 732825 | Feb 9, 2012 | Feb 9, 2012 | Chesapeake Operating, Inc. | University 19-17 #2HH | 18,000 | 30131703 |
| 732634 | Feb 7, 2012 | Feb 7, 2012 | Chesapeake Operating, Inc. | Spurdog 1-62 Lov #2HH | 12,000 | 30131702 |
| 732633 | Feb 7, 2012 | Feb 7, 2012 | Chesapeake Operating, Inc. | Ramsland 1-61 Lov #2HH | 18,000 | 30131701 |
| 731459 | Jan 19, 2012 | Jan 19, 2012 | Chesapeake Operating, Inc. | Johnson 54-2-46 Lov #1HH | 9,000 | 30131693 |
| 730441 | Dec 27, 2011 | Dec 27, 2011 | Chesapeake Operating, Inc. | Bridwell 54-1-34 Lov #1HH | 12,000 | 30131679 |
| 730462 | Dec 23, 2011 | Dec 23, 2011 | Chesapeake Operating, Inc. | Kiehne Ranch 54-1-8 Lov #1D | 8,100 | 30131678 |
| 729623 | Dec 12, 2011 | Dec 12, 2011 | Chesapeake Operating, Inc. | Texaco 35 #3HH | 9,000 | 30131669 |
| 729489 | Dec 10, 2011 | Dec 10, 2011 | Chesapeake Operating, Inc. | Tucker 1-75 Lov #1HH | 14,000 | 30131668 |
| 729335 | Dec 8, 2011 | Dec 8, 2011 | Chesapeake Operating, Inc. | Johnson Ranch 1-51 Lov #2HH | 12,000 | 30131667 |
| 729264 | Dec 6, 2011 | Dec 6, 2011 | Chesapeake Operating, Inc. | Johnson 1-51 #2HH | 12,000 | 30131666 |
| 729162 | Dec 5, 2011 | Dec 5, 2011 | Chesapeake Operating, Inc. | Johnson 1-86 #2HH | 18,000 | 30131665 |
| 729162Amendment | Dec 5, 2011 | Dec 5, 2011 | Chesapeake Operating, Inc. | Johnson 1-86 #2HH | 18,000 | 30131665 |
| 728594 | Nov 22, 2011 | Nov 22, 2011 | Chesapeake Operating, Inc. | Wheat 1-63 SWD Lov #1 | 7,200 | 30131662 |
| 728468 | Nov 19, 2011 | Nov 19, 2011 | Chesapeake Operating, Inc. | Hanging H 54-2-22 Lov SWD #1 | 7,100 | 30131661 |
| 728467 | Nov 19, 2011 | Nov 19, 2011 | Chesapeake Operating, Inc. | Hanging H 55-1-44 Lov SWD #1 | 7,100 | 30131660 |
| 728466 | Nov 19, 2011 | Nov 19, 2011 | Chesapeake Operating, Inc. | Kiehne Ranch 54-2-8 Lov SWD #1 | 7,100 | 30131657 |
| 728465 | Nov 19, 2011 | Nov 19, 2011 | Chesapeake Operating, Inc. | Hanging H 54-2-18 Lov SWD #1 | 7,100 | 30131659 |
| 728463 | Nov 19, 2011 | Nov 19, 2011 | Chesapeake Operating, Inc. | Jones Ranch 54-2-35 Lov SWD #1 | 6,500 | 30131658 |
| 728192 | Nov 17, 2011 | Nov 17, 2011 | Chesapeake Operating, Inc. | Johnson 1-76 #2HH | 18,000 | 30131650 |
| 727206 | Nov 9, 2011 | Nov 9, 2011 | Chesapeake Operating, Inc. | Mitchell 28-45 Lov E #2HH | 14,000 | 30131644 |
| 727241 | Nov 2, 2011 | Nov 2, 2011 | Chesapeake Operating, Inc. | Rocazoller State 54-1-12 #1HH | 18,000 | 30131645 |
| 727164 | Nov 1, 2011 | Nov 1, 2011 | Chesapeake Operating, Inc. | Bates 1-63 Lov #1HH | 18,000 | 30131643 |
| 726851 | Oct 26, 2011 | Oct 26, 2011 | Chesapeake Operating, Inc. | Lindley 54-2-16 Lov #1HH | 18,000 | 30131641 |
| 724266 | Sep 16, 2011 | Sep 16, 2011 | Chesapeake Operating, Inc. | Owens 1-75 Lov #1HH | 14,000 | 30131630 |
| 723404 | Sep 2, 2011 | Sep 2, 2011 | Chesapeake Operating, Inc. | Lindley 55-2-32 Lov #1HH | 12,000 | 30131625 |
| 723404Amendment | Sep 2, 2011 | Sep 2, 2011 | Chesapeake Operating, Inc. | Lindley 55-2-32 Lov #1HH | 12,000 | 30131625 |
| 722845 | Aug 25, 2011 | Aug 25, 2011 | Chesapeake Operating, Inc. | Ramsland 1-61 Lov #1HH | 18,000 | 30131617 |
| 722081 | Aug 15, 2011 | Aug 15, 2011 | Chesapeake Operating, Inc. | Great White State 54-1-8 Lov #1HH | 18,000 | 30131614 |
| 722081Amendment | Aug 15, 2011 | Aug 15, 2011 | Chesapeake Operating, Inc. | Great White State 54-1-8 Lov #1HH | 18,000 | 30131614 |
| 721750 | Aug 12, 2011 | Aug 12, 2011 | Chesapeake Operating, Inc. | Johnson 1-87 Lov #1HH | 16,000 | 30131613 |
| 721695 | Aug 11, 2011 | Aug 11, 2011 | Chesapeake Operating, Inc. | Wheat 1-85 Lov #1HH | 12,000 | 30131612 |
| 720027 | Jul 13, 2011 | Jul 13, 2011 | Chesapeake Operating, Inc. | Birdie-Bell 54-2-18 Lov #1HH | 18,000 | 30131610 |
| 719986 | Jul 13, 2011 | Jul 13, 2011 | Chesapeake Operating, Inc. | Johnson 54-2-48 Lov #1HH | 18,000 | 30131608 |
| 719986Amendment | Jul 13, 2011 | Jul 13, 2011 | Chesapeake Operating, Inc. | Johnson 54-2-48 Lov #1HH | 18,000 | 30131608 |
| 719949 | Jul 12, 2011 | Jul 12, 2011 | Chesapeake Operating, Inc. | Thorpe 1-74 Lov #1HH | 14,000 | 30131607 |
| 719524 | Jul 5, 2011 | Jul 5, 2011 | Chesapeake Operating, Inc. | Spurdog 1-62 Lov #1HH | 12,000 | 30131606 |
| 719294 | Jun 30, 2011 | Jun 30, 2011 | Chesapeake Operating, Inc. | Lindley 54-2-32 Lov #1HH | 12,000 | 30131605 |
| 718959 | Jun 24, 2011 | Jun 24, 2011 | Chesapeake Operating, Inc. | Johnson Ranch 1-51 Lov #1HH | 12,000 | 30131602 |
| 718959Amendment | Jun 24, 2011 | Jun 24, 2011 | Chesapeake Operating, Inc. | Johnson Ranch 1-51 Lov #1HH | 12,000 | 30131602 |
| 718929 | Jun 24, 2011 | Jun 24, 2011 | Chesapeake Operating, Inc. | Wheat State 1-64 Lov #1HH | 12,000 | 30131601 |
| 718929Amendment | Jun 24, 2011 | Jun 24, 2011 | Chesapeake Operating, Inc. | Wheat State 1-64 Lov #1HH | 12,000 | 30131601 |
| 718473 | Jun 17, 2011 | Jun 17, 2011 | Chesapeake Operating, Inc. | McConnell State 55-1-42 Lov #1HH | 14,000 | 30131599 |
| 716515 | May 18, 2011 | May 18, 2011 | Chesapeake Operating, Inc. | Johnson 1-88 Lov #1HH | 18,000 | 30131593 |
| 712009 | Mar 16, 2011 | Mar 16, 2011 | Chesapeake Operating, Inc. | Mitchell 45 #1 | 18,500 | 30131217 |
| 711561 | Mar 9, 2011 | Mar 9, 2011 | Chesapeake Operating, Inc. | Lindley 54-2-28 #1HH | 9,000 | 30131585 |
| 710807 | Feb 25, 2011 | Feb 25, 2011 | Chesapeake Operating, Inc. | Bullhead State 55-1-44 #1HH | 9,000 | 30131584 |
| 708374 | Jan 14, 2011 | Jan 14, 2011 | Chesapeake Operating, Inc. | Johnson 54-2-34 #1HH | 15,000 | 30131524 |
| 708373 | Jan 14, 2011 | Jan 14, 2011 | Chesapeake Operating, Inc. | Texaco "35" #1 | 15,195 | 30130653 |
| 706790 | Dec 14, 2010 | Dec 14, 2010 | Chesapeake Operating, Inc. | Lindley 54-2-30 #1HH | 15,000 | 30131570 |
| 706790Amendment | Dec 14, 2010 | Dec 14, 2010 | Chesapeake Operating, Inc. | Lindley 54-2-30 #1HH | 15,000 | 30131570 |
| 706088 | Dec 3, 2010 | Dec 3, 2010 | Chesapeake Operating, Inc. | Bullhead State 55-2-8 #1HH | 18,000 | 30131568 |
| 706088Amendment | Dec 3, 2010 | Dec 3, 2010 | Chesapeake Operating, Inc. | Bullhead State 55-2-8 #1HH | 18,000 | 30131568 |
| 706088Amendment | Dec 3, 2010 | Dec 3, 2010 | Chesapeake Operating, Inc. | Bullhead State 55-2-8 #1HH | 18,000 | 30131568 |
| 705707 | Nov 23, 2010 | Nov 23, 2010 | Chesapeake Operating, Inc. | Johnson 1-86 #1HH | 18,000 | 30131566 |
| 701652 | Sep 7, 2010 | Sep 7, 2010 | Chesapeake Operating, Inc. | Johnson 1-51 #1HH | 12,000 | 30131557 |
| 701652Amendment | Sep 7, 2010 | Sep 7, 2010 | Chesapeake Operating, Inc. | Johnson 1-51 #1HH | 12,000 | 30131557 |