| 647201Amendment | Oct 11, 2007 | Oct 11, 2007 | Valence Operating Company | Tweener #4 | 15,000 | 29332044 |
| 647273 | Oct 10, 2007 | Oct 10, 2007 | XTO Energy Inc. | Spence "A" #1 | 11,400 | 29332049 |
| 647270 | Oct 10, 2007 | Oct 10, 2007 | XTO Energy Inc. | Spence "B" #1 | 11,400 | 29332048 |
| 647249 | Oct 9, 2007 | Oct 9, 2007 | XTO Energy Inc. | Beachcomber Gas Unit No. 2 #14 | 14,000 | 29332046 |
| 647244 | Oct 9, 2007 | Oct 9, 2007 | XTO Energy Inc. | Beachcomber Gas Unit No. 2 #13 | 14,000 | 29332045 |
| 645310 | Oct 8, 2007 | Oct 8, 2007 | XTO Energy Inc. | Tumlinson "a" #1 Gas Unit #4 | 14,500 | 29332039 |
| 647034 | Oct 4, 2007 | Oct 4, 2007 | Valence Operating Company | Tweener #3 | 15,000 | 29332042 |
| 647034Amendment | Oct 4, 2007 | Oct 4, 2007 | Valence Operating Company | Tweener #3 | 15,000 | 29332042 |
| 646966 | Oct 4, 2007 | Oct 4, 2007 | XTO Energy Inc. | B W Thompson Gas Unit NO.1 #20 | 14,000 | 29332038 |
| 645309 | Oct 4, 2007 | Oct 4, 2007 | XTO Energy Inc. | Phillips Gas Unit "a" #1 #18 | 14,500 | 29332041 |
| 645307 | Oct 4, 2007 | Oct 4, 2007 | XTO Energy Inc. | Tumlinson "a" #1 Gas Unit #3 | 13,300 | 29332040 |
| 646960 | Oct 3, 2007 | Oct 3, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #18 | 13,200 | 29332037 |
| 646960Amendment | Oct 3, 2007 | Oct 3, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #18 | 15,000 | 29332037 |
| 646773 | Oct 1, 2007 | Oct 1, 2007 | XTO Energy Inc. | B. W. Thompson Gas Unit No. 1 #14 | 14,500 | 29332036 |
| 646715 | Oct 1, 2007 | Oct 1, 2007 | XTO Energy Inc. | Longenbaugh Gas Unit No. 1 #6 | 14,200 | 29331703 |
| 646639 | Sep 28, 2007 | Sep 28, 2007 | Samson Lone Star, LLC | Livingston Gas Unit #3 | 12,000 | 29332035 |
| 646459 | Sep 27, 2007 | Sep 27, 2007 | XTO Energy Inc. | Richard H Gross, et Al #23 | 13,800 | 29332033 |
| 646458 | Sep 27, 2007 | Sep 27, 2007 | XTO Energy Inc. | Reed Gas Unit II #6 | 14,500 | 29332032 |
| 646412 | Sep 27, 2007 | Sep 27, 2007 | XTO Energy Inc. | Reed Gas Unit II #8 | 14,500 | 29332031 |
| 646095 | Sep 20, 2007 | Sep 20, 2007 | XTO Energy Inc. | Carl Sadler Gas Unit No. 1 #4 | 14,200 | 29332028 |
| 646007 | Sep 17, 2007 | Sep 17, 2007 | O'Benco, Inc. | Alton Sims #15 | 13,200 | 29332027 |
| 646007Amendment | Sep 17, 2007 | Sep 17, 2007 | O'Benco, Inc. | Alton Sims #15 | 13,400 | 29332027 |
| 645777 | Sep 17, 2007 | Sep 17, 2007 | O'Benco, Inc. | Doss Gas Unit #19 | 13,200 | 29332023 |
| 645777Amendment | Sep 17, 2007 | Sep 17, 2007 | O'Benco, Inc. | Doss Gas Unit #19 | 13,600 | 29332023 |
| 645784 | Sep 13, 2007 | Sep 13, 2007 | O'Benco, Inc. | Rickard Gas Unit #11 | 13,200 | 29332026 |
| 645782 | Sep 13, 2007 | Sep 13, 2007 | O'Benco, Inc. | Rickard Gas Unit #10 | 13,200 | 29332025 |
| 645780 | Sep 13, 2007 | Sep 13, 2007 | O'Benco, Inc. | Rickard Gas Unit #9 | 13,200 | 29332024 |
| 645772 | Sep 13, 2007 | Sep 13, 2007 | O'Benco, Inc. | Alton Sims #14 | 13,200 | 29332022 |
| 643444 | Sep 7, 2007 | Sep 7, 2007 | XTO Energy Inc. | Griffiths Gas Unit No. 1 #7 | 12,700 | 29332011 |
| 645450 | Sep 6, 2007 | Sep 6, 2007 | XTO Energy Inc. | Kennedy "A" #2 | 13,500 | 29331628 |
| 640895 | Sep 6, 2007 | Sep 6, 2007 | XTO Energy Inc. | Beachcomber Gas Unit No. 2 #8 | 14,000 | 29332010 |
| 645410 | Sep 5, 2007 | Sep 5, 2007 | O'Benco, Inc. | Doss Gas Unit #17 | 13,200 | 29332021 |
| 645411 | Sep 4, 2007 | Sep 4, 2007 | O'Benco, Inc. | Doss Gas Unit #18 | 13,200 | 29332019 |
| 645409 | Sep 4, 2007 | Sep 4, 2007 | O'Benco, Inc. | Doss Gas Unit #16 | 13,200 | 29332020 |
| 645232 | Aug 31, 2007 | Aug 31, 2007 | XTO Energy Inc. | Phillips "a" #1 Gas Unit #17 | 15,000 | 29332016 |
| 645232Amendment | Aug 31, 2007 | Aug 31, 2007 | XTO Energy Inc. | Phillips "a" #1 Gas Unit #17 | 15,000 | 29332016 |
| 645237 | Aug 30, 2007 | Aug 30, 2007 | XTO Energy Inc. | Phillips "a" #1 Gas Unit #11 | 14,500 | 29332017 |
| 645236 | Aug 30, 2007 | Aug 30, 2007 | XTO Energy Inc. | Standley Gas Unit No. 1 #7HH | 17,000 | 29332018 |
| 645046 | Aug 29, 2007 | Aug 29, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #17 | 13,200 | 29332014 |
| 645045 | Aug 29, 2007 | Aug 29, 2007 | O'Benco, Inc. | Sims, Alton #13 | 13,200 | 29332013 |
| 642528 | Aug 28, 2007 | Aug 28, 2007 | XTO Energy Inc. | Hudson "A" #4 | 13,200 | 29331053 |
| 642526 | Aug 28, 2007 | Aug 28, 2007 | XTO Energy Inc. | Heaton No. 1 Gas Unit #9 | 13,200 | 29332006 |
| 644966 | Aug 24, 2007 | Aug 24, 2007 | O'Benco, Inc. | Sims, Alton #12 | 13,200 | 29332012 |
| 644333 | Aug 20, 2007 | Aug 20, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #5 | 15,000 | 29332005 |
| 644356 | Aug 17, 2007 | Aug 17, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #6 | 15,000 | 29332009 |
| 644356Amendment | Aug 17, 2007 | Aug 17, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #6 | 15,000 | 29332009 |
| 644351 | Aug 17, 2007 | Aug 17, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #4 | 15,000 | 29332008 |
| 644348 | Aug 17, 2007 | Aug 17, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #3 | 15,000 | 29332007 |
| 644348Amendment | Aug 17, 2007 | Aug 17, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #3 | 15,000 | 29332007 |
| 644260 | Aug 15, 2007 | Aug 15, 2007 | O'Benco, Inc. | Rickard Gas Unit #8 | 13,200 | 29332002 |
| 644237 | Aug 15, 2007 | Aug 15, 2007 | XTO Energy Inc. | H. D. Thomas et al Gas Unit #6 | 13,300 | 29332003 |
| 642370 | Aug 14, 2007 | Aug 14, 2007 | XTO Energy Inc. | Foley Gas Unit #4HH | 18,000 | 29332001 |
| 642368 | Aug 14, 2007 | Aug 14, 2007 | XTO Energy Inc. | Foley Gas Unit #5HH | 18,000 | 29332000 |
| 643916 | Aug 13, 2007 | Aug 13, 2007 | XTO Energy Inc. | Gross, Richard H. et Al #16 | 14,000 | 29331999 |
| 643829 | Aug 10, 2007 | Aug 10, 2007 | XTO Energy Inc. | Gross, Richard H. et Al #5 | 13,500 | 29331998 |
| 641359 | Aug 3, 2007 | Aug 3, 2007 | XTO Energy Inc. | Jimmy Beddingfield G.U. No. II #5HH | 18,000 | 29331996 |
| 641359Amendment | Aug 3, 2007 | Aug 3, 2007 | XTO Energy Inc. | Jimmy Beddingfield G.U. No. II #5HH | 18,000 | 29331996 |
| 641355 | Aug 3, 2007 | Aug 3, 2007 | XTO Energy Inc. | Standley Gas Unit No. 1 #12HH | 17,000 | 29331995 |
| 641355Amendment | Aug 3, 2007 | Aug 3, 2007 | XTO Energy Inc. | Standley Gas Unit No. 1 #12HH | 17,000 | 29331995 |
| 641611 | Aug 2, 2007 | Aug 2, 2007 | O'Benco, Inc. | Sims, Alton #11 | 13,200 | 29331970 |
| 641611Amendment | Aug 2, 2007 | Aug 2, 2007 | O'Benco, Inc. | Sims, Alton #11 | 13,700 | 29331970 |
| 641300 | Aug 2, 2007 | Aug 2, 2007 | XTO Energy Inc. | Beddingfield Gas Unit #9 | 15,500 | 29331993 |
| 641300Amendment | Aug 2, 2007 | Aug 2, 2007 | XTO Energy Inc. | Beddingfield Gas Unit #9 | 15,500 | 29331993 |
| 641301 | Aug 1, 2007 | Aug 1, 2007 | XTO Energy Inc. | Beddingfield Gas Unit #8 | 15,300 | 29331992 |
| 641299 | Aug 1, 2007 | Aug 1, 2007 | XTO Energy Inc. | Beddingfield Gas Unit #10 | 15,500 | 29332368 |
| 640941 | Aug 1, 2007 | Aug 1, 2007 | XTO Energy Inc. | Beddingfield Gas Unit #6HH | 17,500 | 29331989 |
| 640815 | Aug 1, 2007 | Aug 1, 2007 | XTO Energy Inc. | Beddingfield Gas Unit #7 | 15,500 | 29331985 |
| 641201 | Jul 30, 2007 | Jul 30, 2007 | XTO Energy Inc. | Gross, Richard H., et Al #7 | 14,000 | 29331990 |
| 641196 | Jul 30, 2007 | Jul 30, 2007 | XTO Energy Inc. | Triple H Ranch Gas Unit No. 1 #15 | 13,500 | 29331991 |
| 640893 | Jul 30, 2007 | Jul 30, 2007 | XTO Energy Inc. | Triple H Ranch Gas Unit No. 1 #14 | 14,000 | 29331988 |
| 642636 | Jul 27, 2007 | Jul 27, 2007 | Encana Oil & Gas(usa) Inc. | Childrens Home #1 | 13,000 | 29331983 |
| 640871 | Jul 27, 2007 | Jul 27, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #8 | 15,500 | 29331987 |
| 640869 | Jul 27, 2007 | Jul 27, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #11 | 15,500 | 29331986 |
| 640814 | Jul 27, 2007 | Jul 27, 2007 | XTO Energy Inc. | Brazos River Authority Gas Unit #1 | 14,000 | 29331984 |
| 640522 | Jul 25, 2007 | Jul 25, 2007 | XTO Energy Inc. | Hiline Gas Unit #1 | 14,000 | 29331981 |
| 640501 | Jul 25, 2007 | Jul 25, 2007 | XTO Energy Inc. | Pat Oakes Gas Unit II #8 | 15,500 | 29331982 |
| 640501Amendment | Jul 25, 2007 | Jul 25, 2007 | XTO Energy Inc. | Pat Oakes Gas Unit II #8 | 15,500 | 29331982 |
| 642366 | Jul 24, 2007 | Jul 24, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #16 | 13,200 | 29331979 |
| 640132 | Jul 23, 2007 | Jul 23, 2007 | XTO Energy Inc. | Chandler Gas Unit No. 1 #17 | 15,000 | 29331980 |
| 640037 | Jul 23, 2007 | Jul 23, 2007 | XTO Energy Inc. | Thompson, B.W. Gas Unit No. 1 #13 | 14,000 | 29331977 |
| 639993 | Jul 16, 2007 | Jul 16, 2007 | XTO Energy Inc. | Heaton No. 1 Gas Unit #15 | 13,100 | 29331975 |
| 639984 | Jul 16, 2007 | Jul 16, 2007 | XTO Energy Inc. | B. W. Thompson Gas Unit No. 1 #16 | 14,000 | 29331976 |
| 639973 | Jul 16, 2007 | Jul 16, 2007 | XTO Energy Inc. | Hudson "B" Gas Unit #11 | 13,300 | 29331974 |
| 639972 | Jul 16, 2007 | Jul 16, 2007 | XTO Energy Inc. | Hudson "B" Gas Unit #13 | 13,400 | 29331973 |
| 639971 | Jul 16, 2007 | Jul 16, 2007 | XTO Energy Inc. | Hudson "B" Gas Unit #9 | 13,600 | 29331972 |
| 639685 | Jul 16, 2007 | Jul 16, 2007 | XTO Energy Inc. | Lyons Gas Unit No. 1 #21 | 14,000 | 29331968 |
| 641691 | Jul 13, 2007 | Jul 13, 2007 | XTO Energy Inc. | Reed "R" No. 1 Unit #13 | 13,500 | 29331705 |
| 641613 | Jul 11, 2007 | Jul 11, 2007 | O'Benco, Inc. | Sims, Alton #10 | 12,000 | 29331971 |
| 641613Amendment | Jul 11, 2007 | Jul 11, 2007 | O'Benco, Inc. | Sims, Alton #10 | 13,200 | 29331971 |
| 641496 | Jul 9, 2007 | Jul 9, 2007 | Encana Oil & Gas(usa) Inc. | Txu Mining Co. North #2 | 12,800 | 29331969 |
| 641067 | Jul 2, 2007 | Jul 2, 2007 | Encana Oil & Gas(usa) Inc. | Txu Mining Co. #2 | 12,600 | 29331967 |
| 640097 | Jun 12, 2007 | Jun 12, 2007 | O'Benco, Inc. | Bobby Reed Gas Unit #15 | 13,000 | 29331966 |
| 639751 | Jun 4, 2007 | Jun 4, 2007 | St. Mary Land & Exploration Co. | Wilson #16 | 8,000 | 29331965 |
| 638331 | Jun 1, 2007 | Jun 1, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #12 | 15,000 | 29331964 |
| 638331Amendment | Jun 1, 2007 | Jun 1, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #12 | 15,000 | 29331964 |
| 639495 | May 31, 2007 | May 31, 2007 | XTO Energy Inc. | Pat Oakes Gas Unit II #3 | 15,500 | 29331961 |
| 639495Amendment | May 31, 2007 | May 31, 2007 | XTO Energy Inc. | Pat Oakes Gas Unit II #3 | 15,500 | 29331961 |
| 639377 | May 25, 2007 | May 25, 2007 | XTO Energy Inc. | L. P. Sims Brothers Gas Unit #13 | 13,500 | 29331959 |
| 638990 | May 24, 2007 | May 24, 2007 | Devon Energy Production Co, L.P. | Mildred Thompson GU #12HH | 12,000 | 29331952 |
| 638329 | May 24, 2007 | May 24, 2007 | XTO Energy Inc. | Carpenter Gas Unit II #15 | 15,000 | 29331960 |