| 718728 | Jun 22, 2011 | Jun 22, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | BSM Unit A19 #1HH | 15,500 | 40530456 |
| 718728Amendment | Jun 22, 2011 | Jun 22, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | BSM Unit A19 #1HH | 15,500 | 40530456 |
| 718602 | Jun 20, 2011 | Jun 20, 2011 | Encana Oil & Gas(usa) Inc. | Robertson | James McDonald Unit #1 | 22,000 | 39531816 |
| 718366 | Jun 16, 2011 | Jun 16, 2011 | Encana Oil & Gas(usa) Inc. | Robertson | Viola Sims Unit #1 | 22,000 | 39531815 |
| 718366Amendment | Jun 16, 2011 | Jun 16, 2011 | Encana Oil & Gas(usa) Inc. | Robertson | Viola Sims Unit #1 | 22,000 | 39531815 |
| 718366Amendment | Jun 16, 2011 | Jun 16, 2011 | Encana Oil & Gas(usa) Inc. | Robertson | Viola Sims Unit #1 | 22,000 | 39531815 |
| 717455 | Jun 2, 2011 | Jun 2, 2011 | Encana Oil & Gas(usa) Inc. | Leon | Gresham Trust #1HH | 15,500 | 28931944 |
| 717455Amendment | Jun 2, 2011 | Jun 2, 2011 | Encana Oil & Gas(usa) Inc. | Leon | Gresham Trust #1HH | 15,500 | 28931944 |
| 716824 | May 23, 2011 | May 23, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | BSM Unit A20 #1HH | 15,000 | 40530452 |
| 716782 | May 20, 2011 | May 20, 2011 | Encana Oil & Gas(usa) Inc. | Parker | Madelon #13HH | 9,000 | 36735157 |
| 716779 | May 20, 2011 | May 20, 2011 | Encana Oil & Gas(usa) Inc. | Parker | Madelon #12HH | 9,000 | 36735156 |
| 716777 | May 20, 2011 | May 20, 2011 | Encana Oil & Gas(usa) Inc. | Parker | Madelon #11HH | 9,000 | 36735155 |
| 716775 | May 20, 2011 | May 20, 2011 | Encana Oil & Gas(usa) Inc. | Parker | Madelon #10HH | 9,000 | 36735154 |
| 715997 | May 16, 2011 | May 16, 2011 | Encana Oil & Gas(usa) Inc. | Tarrant | Pearl Ranch-Vrpr (SA) #1HH | 9,000 | 43935937 |
| 715056 | May 3, 2011 | May 3, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi Unit A47 #2HH | 15,500 | 40530445 |
| 715056Amendment | May 3, 2011 | May 3, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi Unit A47 #2HH | 15,500 | 40530445 |
| 714345Amendment | May 2, 2011 | May 2, 2011 | Encana Oil & Gas(usa) Inc. | Glasscock | Garden City '40' #4 | 11,000 | 17334146 |
| 714851 | Apr 29, 2011 | Apr 29, 2011 | Encana Oil & Gas(usa) Inc. | Denton | Turner C #7HH | 9,000 | 12134161 |
| 714834 | Apr 29, 2011 | Apr 29, 2011 | Encana Oil & Gas(usa) Inc. | Denton | Turner C #6HH | 9,000 | 12134162 |
| 714835 | Apr 28, 2011 | Apr 28, 2011 | Encana Oil & Gas(usa) Inc. | Denton | Turner C #8HH | 9,000 | 12134160 |
| 714696 | Apr 26, 2011 | Apr 26, 2011 | Encana Oil & Gas(usa) Inc. | Tarrant | Pyramid Acres Unit 6-Bryant SA #1HH | 9,000 | 43935889 |
| 714401 | Apr 25, 2011 | Apr 25, 2011 | Encana Oil & Gas(usa) Inc. | Robertson | McMurrey Trust "a" Unit #1 | 22,000 | 39531714 |
| 714188 | Apr 20, 2011 | Apr 20, 2011 | Encana Oil & Gas(usa) Inc. | Leon | Little 4 Ranch #2 | 19,500 | 28931807 |
| 714240 | Apr 18, 2011 | Apr 18, 2011 | Encana Oil & Gas(usa) Inc. | Denton | MT Cole SA #505HH | 9,000 | 12134153 |
| 713335 | Apr 8, 2011 | Apr 8, 2011 | Encana Oil & Gas(usa) Inc. | Denton | MT Cole #503HH | 9,000 | 12134131 |
| 713349 | Apr 5, 2011 | Apr 5, 2011 | Encana Oil & Gas(usa) Inc. | Denton | MT Cole #504HH | 9,000 | 12134134 |
| 713347 | Apr 5, 2011 | Apr 5, 2011 | Encana Oil & Gas(usa) Inc. | Denton | MT Cole #502HH | 9,000 | 12134133 |
| 713338 | Apr 5, 2011 | Apr 5, 2011 | Encana Oil & Gas(usa) Inc. | Denton | MT Cole #501HH | 9,000 | 12134132 |
| 711352 | Mar 4, 2011 | Mar 4, 2011 | Encana Oil & Gas(usa) Inc. | Tarrant | Biggs #4HH | 9,000 | 43935780 |
| 711344 | Mar 4, 2011 | Mar 4, 2011 | Encana Oil & Gas(usa) Inc. | Tarrant | Biggs #5HH | 9,000 | 43935778 |
| 710825 | Mar 3, 2011 | Mar 3, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi/Usfs Unit F10 #1HH | 15,500 | 40530425 |
| 710823 | Mar 3, 2011 | Mar 3, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi/Usfs Unit F9 #1HH | 15,500 | 40530424 |
| 710820 | Mar 3, 2011 | Mar 3, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi/Usfs Unit F11 #1HH | 15,500 | 40530423 |
| 710060 | Feb 21, 2011 | Feb 21, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi/Usfs A274 Unit F5 #1HH | 15,500 | 40530418 |
| 710056 | Feb 21, 2011 | Feb 21, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi/Usfs A274 Unit F4 #1HH | 15,500 | 40530417 |
| 710044 | Feb 14, 2011 | Feb 14, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi Unit A47 #1HH | 15,500 | 40530414 |
| 710044Amendment | Feb 14, 2011 | Feb 14, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi Unit A47 #1HH | 15,500 | 40530414 |
| 706384 | Feb 14, 2011 | Feb 14, 2011 | Encana Oil & Gas(usa) Inc. | Tarrant | Pyramid Acres Unit 5-6 SA #205HH | 9,000 | 43935627 |
| 706384Amendment | Feb 14, 2011 | Feb 14, 2011 | Encana Oil & Gas(usa) Inc. | Tarrant | Pyramid Acres Unit 5-6 SA #205HH | 9,000 | 43935627 |
| 710032 | Feb 11, 2011 | Feb 11, 2011 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #504HH | 9,000 | 36735126 |
| 710028 | Feb 11, 2011 | Feb 11, 2011 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #503HH | 9,000 | 36735125 |
| 710026 | Feb 11, 2011 | Feb 11, 2011 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #502HH | 9,000 | 36735124 |
| 710017 | Feb 11, 2011 | Feb 11, 2011 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #501HH | 9,000 | 36735123 |
| 709228 | Feb 4, 2011 | Feb 4, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi/Usfs Unit F16 #1HH | 15,500 | 40530412 |
| 709228Amendment | Feb 4, 2011 | Feb 4, 2011 | Encana Oil & Gas(usa) Inc. | San Augustine | Bsi/Usfs Unit F16 #1HH | 15,500 | 40530412 |
| 708703 | Jan 31, 2011 | Jan 31, 2011 | Encana Oil & Gas(usa) Inc. | Leon | Senator Ranch 'B' Unit #4 | 20,000 | 28931926 |
| 708858 | Jan 25, 2011 | Jan 25, 2011 | Encana Oil & Gas(usa) Inc. | Tarrant | Pyramid Acres Unit 6-5 (SA) #103HH | 9,000 | 43935689 |
| 708573 | Jan 21, 2011 | Jan 21, 2011 | Encana Oil & Gas(usa) Inc. | Denton | Cole Trust Stony #18HH | 9,000 | 12134120 |
| 708267 | Jan 19, 2011 | Jan 19, 2011 | Encana Oil & Gas(usa) Inc. | Denton | Cole Trust Stony #15HH | 9,000 | 12134116 |
| 708565 | Jan 18, 2011 | Jan 18, 2011 | Encana Oil & Gas(usa) Inc. | Denton | Cole Trust Stony #17HH | 9,000 | 12134115 |
| 708380 | Jan 14, 2011 | Jan 14, 2011 | Encana Oil & Gas(usa) Inc. | Denton | Cole Trust Stony #16HH | 9,000 | 12134114 |
| 708071 | Jan 14, 2011 | Jan 14, 2011 | Encana Oil & Gas(usa) Inc. | Tarrant | Virginia Richardson Unit #4HH | 9,000 | 43935668 |
| 707493 | Dec 28, 2010 | Dec 28, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Gresham Trust Unit A #1 | 20,000 | 28931917 |
| 707493Amendment | Dec 28, 2010 | Dec 28, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Gresham Trust Unit A #1 | 20,000 | 28931917 |
| 706771 | Dec 13, 2010 | Dec 13, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Senator Ranch "a" Unit #2 | 20,000 | 28931915 |
| 706771Amendment | Dec 13, 2010 | Dec 13, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Senator Ranch "a" Unit #2 | 20,000 | 28931915 |
| 705908 | Dec 8, 2010 | Dec 8, 2010 | Encana Oil & Gas(usa) Inc. | Nacogdoches | Brent Miller A1 #1HH | 15,000 | 34733204 |
| 705908Amendment | Dec 8, 2010 | Dec 8, 2010 | Encana Oil & Gas(usa) Inc. | Nacogdoches | Brent Miller A1 #1HH | 15,000 | 34733204 |
| 704836 | Nov 5, 2010 | Nov 5, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #306HH | 9,000 | 36735111 |
| 704821 | Nov 5, 2010 | Nov 5, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #202HH | 9,000 | 36735110 |
| 704821Amendment | Nov 5, 2010 | Nov 5, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #307HH | 9,000 | 36735110 |
| 704107 | Oct 29, 2010 | Oct 29, 2010 | Encana Oil & Gas(usa) Inc. | Parker | Alexander Ranch #2HH | 9,000 | 36735108 |
| 703912 | Oct 20, 2010 | Oct 20, 2010 | Encana Oil & Gas(usa) Inc. | Shelby | Eubanks Unit #1HH | 12,100 | 41931635 |
| 703848 | Oct 19, 2010 | Oct 19, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Chapel Creek #9HH | 9,000 | 43935539 |
| 703511 | Oct 14, 2010 | Oct 14, 2010 | Encana Oil & Gas(usa) Inc. | Wise | Cole, M.T. #15HH | 9,000 | 49737164 |
| 703362 | Oct 14, 2010 | Oct 14, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Ronald Corn Unit #1 | 20,000 | 39531761 |
| 703362Amendment | Oct 14, 2010 | Oct 14, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Ronald Corn Unit #1 | 20,000 | 39531761 |
| 703512 | Oct 13, 2010 | Oct 13, 2010 | Encana Oil & Gas(usa) Inc. | Wise | Cole, M.T. #16HH | 9,000 | 49737163 |
| 703508 | Oct 13, 2010 | Oct 13, 2010 | Encana Oil & Gas(usa) Inc. | Wise | Cole, M.T. #13HH | 9,000 | 49737162 |
| 702838 | Oct 5, 2010 | Oct 5, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Adams-State Unit #8 | 20,000 | 39531760 |
| 702468 | Sep 27, 2010 | Sep 27, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Cazey Unit #2 | 20,000 | 39531759 |
| 701941 | Sep 15, 2010 | Sep 15, 2010 | Encana Oil & Gas(usa) Inc. | Wise | Joe B Skinner #1 | 7,860 | 49735097 |
| 701882 | Sep 13, 2010 | Sep 13, 2010 | Encana Oil & Gas(usa) Inc. | Wise | Crystelle Waggoner #2 | 8,028 | 49734750 |
| 701894 | Sep 10, 2010 | Sep 10, 2010 | Encana Oil & Gas(usa) Inc. | San Augustine | Black Stone Unit A-17 #1HH | 15,000 | 40530383 |
| 701894Amendment | Sep 10, 2010 | Sep 10, 2010 | Encana Oil & Gas(usa) Inc. | San Augustine | Black Stone Unit A-17 #1HH | 15,000 | 40530383 |
| 701676 | Sep 9, 2010 | Sep 9, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Haywire #204HH | 9,000 | 43935402 |
| 700624 | Aug 20, 2010 | Aug 20, 2010 | Encana Oil & Gas(usa) Inc. | Leon | A. D. Carr "A" #9 | 20,000 | 28931889 |
| 700624Amendment | Aug 20, 2010 | Aug 20, 2010 | Encana Oil & Gas(usa) Inc. | Leon | A. D. Carr "A" #9 | 20,000 | 28931889 |
| 700624Amendment | Aug 20, 2010 | Aug 20, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Carr-Little 4 Ranch Unit #1 | 20,000 | 28931889 |
| 700624Amendment | Aug 20, 2010 | Aug 20, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Carr-Little 4 Ranch Unit #1 | 20,000 | 28931889 |
| 694022 | Aug 18, 2010 | Aug 18, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Pyramid Acres Unit 5 #103HH | 9,000 | 43935011 |
| 693831 | Aug 18, 2010 | Aug 18, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Pyramid Acres Unit 5 #203HH | 9,000 | 43935010 |
| 693831Amendment | Aug 18, 2010 | Aug 18, 2010 | Encana Oil & Gas(usa) Inc. | Tarrant | Pyramid Acres Unit 5 #203HH | 9,000 | 43935010 |
| 700681 | Aug 17, 2010 | Aug 17, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Hoyt Gas Unit #2HH | 20,000 | 39531753 |
| 700681Amendment | Aug 17, 2010 | Aug 17, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Hoyt-Powell Gas Unit #2HH | 20,000 | 39531753 |
| 700681Amendment | Aug 17, 2010 | Aug 17, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Hoyt-Powell Gas Unit #2HH | 20,000 | 39531753 |
| 700332 | Aug 17, 2010 | Aug 17, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Senator Ranch "a" Unit #1 | 20,000 | 28931887 |
| 700297 | Aug 13, 2010 | Aug 13, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Senator Ranch "B" Unit #3 | 20,000 | 28931885 |
| 700297Amendment | Aug 13, 2010 | Aug 13, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Senator Ranch 'B' Unit #3 | 20,000 | 28931885 |
| 700431 | Aug 11, 2010 | Aug 11, 2010 | Encana Oil & Gas(usa) Inc. | San Augustine | Black Stone Unit A-43 #2HH | 14,800 | 40530369 |
| 700431Amendment | Aug 11, 2010 | Aug 11, 2010 | Encana Oil & Gas(usa) Inc. | San Augustine | Black Stone Unit A-43 #2HH | 14,800 | 40530369 |
| 699111 | Jul 19, 2010 | Jul 19, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Tullio #7HH | 9,000 | 12134040 |
| 699109 | Jul 19, 2010 | Jul 19, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Tullio #6HH | 9,000 | 12134039 |
| 699103 | Jul 19, 2010 | Jul 19, 2010 | Encana Oil & Gas(usa) Inc. | Denton | Tullio #5HH | 9,000 | 12134038 |
| 698688 | Jul 13, 2010 | Jul 13, 2010 | Encana Oil & Gas(usa) Inc. | Robertson | Adams-State Unit #6 | 20,000 | 39531749 |
| 698405 | Jul 7, 2010 | Jul 7, 2010 | Encana Oil & Gas(usa) Inc. | Leon | Senator Ranch "B" Unit #1 | 20,000 | 28931879 |
| 698308 | Jul 5, 2010 | Jul 5, 2010 | Encana Oil & Gas(usa) Inc. | Leon | McMurrey-State Unit #3 | 20,000 | 28931877 |
| 698308Amendment | Jul 5, 2010 | Jul 5, 2010 | Encana Oil & Gas(usa) Inc. | Leon | McMurrey-State Unit #3 | 20,000 | 28931877 |
| 697583 | Jun 16, 2010 | Jun 16, 2010 | Encana Oil & Gas(usa) Inc. | Leon | McMurrey-State Unit #2 | 20,000 | 28931874 |
| 697334 | Jun 10, 2010 | Jun 10, 2010 | Encana Oil & Gas(usa) Inc. | Dimmit | Shook #81HH | 10,500 | 12733704 |