| 757432 | Mar 6, 2013 | Mar 6, 2013 | Eagleridge Operating, LLC | Mayday-Mason Unit #1HH | 8,650 | 12132331 |
| 757459 | Feb 28, 2013 | Feb 28, 2013 | Eagleridge Operating, LLC | Rayzor West Gas Unit #3H #1H | 8,800 | 12134362 |
| 757459Amendment | Feb 28, 2013 | Feb 28, 2013 | Eagleridge Operating, LLC | Rayzor West Gas Unit #5H #8H | 8,800 | 12134362 |
| 757142 | Feb 22, 2013 | Feb 22, 2013 | Enervest Operating, L.L.C. | Sybil Taylor #8HH | 9,000 | 12134361 |
| 757142Amendment | Feb 22, 2013 | Feb 22, 2013 | Enervest Operating, L.L.C. | Sybil Taylor #9HH | 9,000 | 12134361 |
| 757142Amendment | Feb 22, 2013 | Feb 22, 2013 | Enervest Operating, L.L.C. | Sybil Taylor #9HH | 9,000 | 12134361 |
| 757136 | Feb 22, 2013 | Feb 22, 2013 | Enervest Operating, L.L.C. | Sybil Taylor #9HH | 9,000 | 12134360 |
| 757136Amendment | Feb 22, 2013 | Feb 22, 2013 | Enervest Operating, L.L.C. | Sybil Taylor #8HH | 9,000 | 12134360 |
| 757136Amendment | Feb 22, 2013 | Feb 22, 2013 | Enervest Operating, L.L.C. | Sybil Taylor #8HH | 9,000 | 12134360 |
| 757127 | Feb 22, 2013 | Feb 22, 2013 | Enervest Operating, L.L.C. | Sybil Taylor #10HH | 9,000 | 12134359 |
| 757127Amendment | Feb 22, 2013 | Feb 22, 2013 | Enervest Operating, L.L.C. | Sybil Taylor (SA) #7HH | 9,000 | 12134359 |
| 757127Amendment | Feb 22, 2013 | Feb 22, 2013 | Enervest Operating, L.L.C. | Sybil Taylor (SA) #7HH | 9,000 | 12134359 |
| 751352 | Feb 22, 2013 | Feb 22, 2013 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #12HH | 9,000 | 12134337 |
| 751352Amendment | Feb 22, 2013 | Feb 22, 2013 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #12HH | 9,000 | 12134337 |
| 756184 | Feb 11, 2013 | Feb 11, 2013 | Eagleridge Operating, LLC | Springside #A 3HH | 8,575 | 12131512 |
| 755304 | Jan 28, 2013 | Jan 28, 2013 | Enervest Operating, L.L.C. | M. T. Cole #307HH | 9,000 | 12134357 |
| 755276 | Jan 25, 2013 | Jan 25, 2013 | Enervest Operating, L.L.C. | M. T. Cole #315HH | 9,000 | 12134356 |
| 754862 | Jan 17, 2013 | Jan 17, 2013 | Quicksilver Resources Inc. | Alliance TMS Unit #11HH | 9,000 | 12134354 |
| 754860 | Jan 17, 2013 | Jan 17, 2013 | Quicksilver Resources Inc. | Alliance TMS Unit #9HH | 9,000 | 12134353 |
| 754859 | Jan 17, 2013 | Jan 17, 2013 | Quicksilver Resources Inc. | Alliance TMS Unit #7HH | 9,000 | 12134352 |
| 754857 | Jan 17, 2013 | Jan 17, 2013 | Quicksilver Resources Inc. | Alliance TMS Unit #5HH | 9,000 | 12134351 |
| 754854 | Jan 17, 2013 | Jan 17, 2013 | Quicksilver Resources Inc. | Alliance TMS Unit #3HH | 9,000 | 12134350 |
| 751439 | Jan 14, 2013 | Jan 14, 2013 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #15HH | 9,000 | 12134334 |
| 751439Amendment | Jan 14, 2013 | Jan 14, 2013 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #15HH | 9,000 | 12134334 |
| 751400 | Jan 14, 2013 | Jan 14, 2013 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #13HH | 9,000 | 12134333 |
| 751400Amendment | Jan 14, 2013 | Jan 14, 2013 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #13HH | 9,000 | 12134333 |
| 754150 | Jan 11, 2013 | Jan 11, 2013 | Arp Barnett, LLC | Great Expectations Unit #4HH | 9,000 | 12134349 |
| 753979 | Jan 9, 2013 | Jan 9, 2013 | Enervest Operating, L.L.C. | M T Cole #307HH | 9,000 | 12134348 |
| 753979Amendment | Jan 9, 2013 | Jan 9, 2013 | Enervest Operating, L.L.C. | M T Cole #306HH | 9,000 | 12134348 |
| 753931 | Jan 9, 2013 | Jan 9, 2013 | Enervest Operating, L.L.C. | M. T. Cole #305HH | 9,000 | 12134346 |
| 753546 | Jan 7, 2013 | Jan 7, 2013 | Devon Energy Production Co, L.P. | Nobles-Holley #2HH | 9,000 | 12134345 |
| 753952 | Jan 4, 2013 | Jan 4, 2013 | Enervest Operating, L.L.C. | M. T. Cole #306HH | 9,000 | 12134347 |
| 753952Amendment | Jan 4, 2013 | Jan 4, 2013 | Enervest Operating, L.L.C. | M. T. Cole #314HH | 9,000 | 12134347 |
| 753579 | Dec 28, 2012 | Dec 28, 2012 | Devon Energy Production Co, L.P. | Nobles-Holley #7HH | 7,010 | 12134344 |
| 753579Amendment | Dec 28, 2012 | Dec 28, 2012 | Devon Energy Production Co, L.P. | Nobles-Holley (Alloc) #7HH | 9,000 | 12134344 |
| 753579Amendment | Dec 28, 2012 | Dec 28, 2012 | Devon Energy Production Co, L.P. | Nobles-Holley (Alloc) #7HH | 9,000 | 12134344 |
| 753574 | Dec 28, 2012 | Dec 28, 2012 | Devon Energy Production Co, L.P. | Nobles-Holley #6HH | 9,000 | 12134343 |
| 753574Amendment | Dec 28, 2012 | Dec 28, 2012 | Devon Energy Production Co, L.P. | Nobles-Holley (Alloc) #6HH | 9,000 | 12134343 |
| 753569 | Dec 28, 2012 | Dec 28, 2012 | Devon Energy Production Co, L.P. | Nobles-Holley #5HH | 9,000 | 12134342 |
| 753566 | Dec 28, 2012 | Dec 28, 2012 | Devon Energy Production Co, L.P. | Nobles-Holley #4HH | 9,000 | 12134341 |
| 753552 | Dec 28, 2012 | Dec 28, 2012 | Devon Energy Production Co, L.P. | Nobles-Holley #3HH | 9,000 | 12134340 |
| 752567 | Dec 19, 2012 | Dec 19, 2012 | Eagleridge Operating, LLC | Smith-Yorlum Unit #7HH | 8,800 | 12131855 |
| 752565 | Dec 7, 2012 | Dec 7, 2012 | Eagleridge Operating, LLC | Smith-Yorlum Unit #6HH | 8,800 | 12131520 |
| 751847 | Dec 4, 2012 | Dec 4, 2012 | Arp Barnett, LLC | Great Expectations Unit #6HH | 9,000 | 12134339 |
| 751846 | Dec 4, 2012 | Dec 4, 2012 | Arp Barnett, LLC | Great Expectations Unit #5HH | 9,000 | 12134338 |
| 751281 | Nov 27, 2012 | Nov 27, 2012 | Eagleridge Operating, LLC | Smith-Yorlum Unit #4HH | 8,800 | 12131643 |
| 751783 | Nov 26, 2012 | Nov 26, 2012 | Devon Energy Production Co, L.P. | Lau (SA) #21HH | 9,000 | 12134336 |
| 751752 | Nov 21, 2012 | Nov 21, 2012 | Devon Energy Production Co, L.P. | Lau (SA) #19HH | 9,000 | 12134335 |
| 751440 | Nov 16, 2012 | Nov 16, 2012 | Burlington Resources O & G Co LP | Young, Jean #19HH | 9,000 | 12134332 |
| 751407 | Nov 16, 2012 | Nov 16, 2012 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #14HH | 9,000 | 12134331 |
| 751407Amendment | Nov 16, 2012 | Nov 16, 2012 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #14HH | 9,000 | 12134331 |
| 751279 | Nov 15, 2012 | Nov 15, 2012 | Eagleridge Operating, LLC | Smith-Yorlum Unit #2HH | 8,800 | 12131571 |
| 751323 | Nov 14, 2012 | Nov 14, 2012 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #6HH | 9,000 | 12134330 |
| 751323Amendment | Nov 14, 2012 | Nov 14, 2012 | Vantage Fort Worth Energy LLC | Harris Ranch-Westgate (SA) #6HH | 9,000 | 12134330 |
| 750405 | Oct 29, 2012 | Oct 29, 2012 | Devon Energy Production Co, L.P. | Ophelia Sons GU #1 | 10,000 | 12134329 |
| 750396 | Oct 29, 2012 | Oct 29, 2012 | Burlington Resources O & G Co LP | Higgs Unit #3HH | 9,000 | 12134328 |
| 750232 | Oct 25, 2012 | Oct 25, 2012 | Devon Energy Production Co, L.P. | Blalock-Robertson (SA) 'A' #1HH | 9,000 | 12134327 |
| 750146 | Oct 25, 2012 | Oct 25, 2012 | Devon Energy Production Co, L.P. | Blalock (SA) #3HH | 9,000 | 12134326 |
| 750087 | Oct 24, 2012 | Oct 24, 2012 | Devon Energy Production Co, L.P. | Blalock (SA) #2HH | 9,000 | 12134325 |
| 750034 | Oct 24, 2012 | Oct 24, 2012 | Devon Energy Production Co, L.P. | Nancy Paddack Trust GU #1 | 10,000 | 12134324 |
| 750110 | Oct 23, 2012 | Oct 23, 2012 | Quicksilver Resources Inc. | Ragsdale SWD #1 | 13,000 | 12134323 |
| 750110Amendment | Oct 23, 2012 | Oct 23, 2012 | Quicksilver Resources Inc. | Alliance Ragsdale SWD #1 | 13,000 | 12134323 |
| 749988 | Oct 22, 2012 | Oct 22, 2012 | Devon Energy Production Co, L.P. | Borth GU #1D | 10,000 | 12134322 |
| 748202 | Oct 22, 2012 | Oct 22, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #1HH | 9,000 | 12134306 |
| 748202Amendment | Oct 22, 2012 | Oct 22, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #1HH | 9,000 | 12134306 |
| 748202Amendment | Oct 22, 2012 | Oct 22, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #1HH | 9,000 | 12134306 |
| 748202Amendment | Oct 22, 2012 | Oct 22, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #1HH | 9,500 | 12134306 |
| 748726 | Oct 17, 2012 | Oct 17, 2012 | Eagleridge Operating, LLC | Smith-Yorlum Unit #3HH | 8,800 | 12131977 |
| 748726Amendment | Oct 17, 2012 | Oct 17, 2012 | Eagleridge Operating, LLC | Smith-Yorlum Unit #3HH | 8,800 | 12131977 |
| 748716 | Oct 16, 2012 | Oct 16, 2012 | Eagleridge Operating, LLC | Smith-Yorlum #5HH | 8,800 | 12131950 |
| 748716Amendment | Oct 16, 2012 | Oct 16, 2012 | Eagleridge Operating, LLC | Smith-Yorlum Unit #5HH | 8,800 | 12131950 |
| 749446 | Oct 12, 2012 | Oct 12, 2012 | Vantage Fort Worth Energy LLC | Harris Ranch-Galatyn #5HH | 9,000 | 12134321 |
| 749443 | Oct 12, 2012 | Oct 12, 2012 | Vantage Fort Worth Energy LLC | Harris Ranch-Galatyn #4HH | 9,000 | 12134320 |
| 749439 | Oct 12, 2012 | Oct 12, 2012 | Vantage Fort Worth Energy LLC | Harris Ranch-Galatyn #3HH | 9,000 | 12134319 |
| 749434 | Oct 12, 2012 | Oct 12, 2012 | Vantage Fort Worth Energy LLC | Harris Ranch-Galatyn #2HH | 9,000 | 12134318 |
| 749431 | Oct 12, 2012 | Oct 12, 2012 | Vantage Fort Worth Energy LLC | Harris Ranch-Galatyn #1HH | 9,000 | 12134317 |
| 748730 | Oct 11, 2012 | Oct 11, 2012 | Eagleridge Operating, LLC | Smith-Yorlum Unit #1HH | 8,800 | 12131519 |
| 748730Amendment | Oct 11, 2012 | Oct 11, 2012 | Eagleridge Operating, LLC | Smith-Yorlum Unit #1HH | 8,800 | 12131519 |
| 748651 | Oct 1, 2012 | Oct 1, 2012 | Devon Energy Production Co, L.P. | D3-D1-Schwarz 'a' (SA) #3HH | 9,000 | 12134315 |
| 748617 | Oct 1, 2012 | Oct 1, 2012 | Devon Energy Production Co, L.P. | D3-D1-Schwarz 'a' (SA) #2HH | 9,000 | 12134316 |
| 748330 | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #6HH | 9,000 | 12134310 |
| 748330Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #6HH | 9,000 | 12134310 |
| 748330Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #6HH | 9,000 | 12134310 |
| 748322 | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #5HH | 9,000 | 12134311 |
| 748322Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #5HH | 9,000 | 12134311 |
| 748322Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #5HH | 9,000 | 12134311 |
| 748320 | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #4HH | 9,000 | 12134309 |
| 748320Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #4HH | 9,000 | 12134309 |
| 748320Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #4HH | 9,000 | 12134309 |
| 748320Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #4HH | 9,000 | 12134309 |
| 748316 | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #3HH | 9,000 | 12134308 |
| 748316Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #3HH | 9,000 | 12134308 |
| 748316Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #3HH | 9,000 | 12134308 |
| 748316Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #3HH | 9,000 | 12134308 |
| 748316Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #3HH | 9,200 | 12134308 |
| 748316Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #3HH | 9,200 | 12134308 |
| 748313 | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #2HH | 9,000 | 12134312 |
| 748313Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #2HH | 9,000 | 12134312 |
| 748313Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #2HH | 9,000 | 12134312 |
| 748313Amendment | Sep 25, 2012 | Sep 25, 2012 | Vantage Fort Worth Energy LLC | Riley-Little Brook (SA) #2HH | 9,500 | 12134312 |