| 528981 | Feb 27, 2003 | Feb 27, 2003 | Tema Oil and Gas Company | Oates Gas Unit #4 | 8,500 | 49735207 |
| 528961 | Feb 27, 2003 | Feb 27, 2003 | Devon Energy Operating Co., L.P. | Askey GU "A" #5 | 9,000 | 49735203 |
| 528958 | Feb 27, 2003 | Feb 27, 2003 | Devon Energy Operating Co., L.P. | Carter, B.S. Jr. #7 | 9,000 | 49735204 |
| 528901 | Feb 26, 2003 | Feb 26, 2003 | Devon Energy Operating Co., L.P. | Maggie Spain "C" #3 | 9,000 | 49735200 |
| 528899 | Feb 26, 2003 | Feb 26, 2003 | Devon Energy Operating Co., L.P. | Joe Thurmond "A" #A 4 | 9,000 | 49735202 |
| 528899Amendment | Feb 26, 2003 | Feb 26, 2003 | Devon Energy Operating Co., L.P. | Thurmond, Joe "A" #4 | 9,000 | 49735202 |
| 528898 | Feb 26, 2003 | Feb 26, 2003 | Devon Energy Operating Co., L.P. | Maggie Spain "C" #2 | 9,000 | 49735199 |
| 528896 | Feb 26, 2003 | Feb 26, 2003 | Devon Energy Operating Co., L.P. | Joe Thurmond Gas Unit #3H | 9,000 | 49735201 |
| 528896Amendment | Feb 26, 2003 | Feb 26, 2003 | Devon Energy Operating Co., L.P. | Thurmond, Joe #3H | 9,000 | 49735201 |
| 528824 | Feb 24, 2003 | Feb 24, 2003 | Walsh, F H Jr. Operating Co. Inc | Indian Creek #P 1 | 7,700 | 49735198 |
| 528824Amendment | Feb 24, 2003 | Feb 24, 2003 | Walsh, F H Jr. Operating Co. Inc | Indian Creek #P 1 | 7,700 | 49735198 |
| 528783 | Feb 21, 2003 | Feb 21, 2003 | Threshold Development Co. | Vinson Fee "G" #16 | 8,000 | 49735197 |
| 528763 | Feb 21, 2003 | Feb 21, 2003 | Devon Energy Operating Co., L.P. | Spain, Maggie "C" #1 | 9,000 | 49735196 |
| 528631 | Feb 20, 2003 | Feb 20, 2003 | Republic Energy Inc. | Crystelle Waggoner #3 | 8,250 | 49735195 |
| 528553 | Feb 18, 2003 | Feb 18, 2003 | Devon Energy Operating Co., L.P. | Askey Gas Unit "B" #8 | 9,000 | 49735194 |
| 528549 | Feb 18, 2003 | Feb 18, 2003 | Devon Energy Operating Co., L.P. | Askey GU "A" #6 | 9,000 | 49735193 |
| 528547 | Feb 18, 2003 | Feb 18, 2003 | Star of Texas Energy Srvs, Inc. | RSK-Star #3 | 8,500 | 49735192 |
| 528510 | Feb 14, 2003 | Feb 14, 2003 | Threshold Development Co. | Vinson Fee "E" #7 | 8,000 | 49735191 |
| 528476 | Feb 14, 2003 | Feb 14, 2003 | Devon Energy Operating Co., L.P. | Patterson-Pepper #1 | 9,000 | 49735190 |
| 528475 | Feb 14, 2003 | Feb 14, 2003 | Devon Energy Operating Co., L.P. | Logan, Jackie #2 | 9,000 | 49735187 |
| 528474 | Feb 14, 2003 | Feb 14, 2003 | Devon Energy Operating Co., L.P. | Logan, Jackie #3 | 9,000 | 49735188 |
| 528473 | Feb 14, 2003 | Feb 14, 2003 | Devon Energy Operating Co., L.P. | Logan, Jackie #4 | 9,000 | 49735189 |
| 528365 | Feb 11, 2003 | Feb 11, 2003 | Devon Energy Operating Co., L.P. | Johnson, L. B. Estate #5 | 9,000 | 49735186 |
| 528276 | Feb 10, 2003 | Feb 10, 2003 | Devon Energy Operating Co., L.P. | Whitehead, Dr. D.B. #1 | 5,700 | 49702182 |
| 527983 | Feb 5, 2003 | Feb 5, 2003 | Richey, Ray Management Co., Inc. | Rattan, Shirley #3 | 8,000 | 49735181 |
| 527983Amendment | Feb 5, 2003 | Feb 5, 2003 | Richey, Ray Management Co., Inc. | Rattan, Shirley #3 | 8,000 | 49735181 |
| 528080 | Feb 4, 2003 | Feb 4, 2003 | Devon Energy Operating Co., L.P. | Nell Huddleston GU -D- #5 | 9,000 | 49735184 |
| 528080Amendment | Feb 4, 2003 | Feb 4, 2003 | Devon Energy Operating Co., L.P. | Huddleston, Nell "D" #5H | 9,000 | 49735184 |
| 528079 | Feb 4, 2003 | Feb 4, 2003 | Devon Energy Operating Co., L.P. | Nell Huddleston GU -D- #6 | 9,000 | 49735183 |
| 528078 | Feb 4, 2003 | Feb 4, 2003 | Devon Energy Operating Co., L.P. | Nell Huddleston GU -D- #7 | 9,000 | 49735182 |
| 527911 | Jan 31, 2003 | Jan 31, 2003 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #5B | 9,000 | 49735180 |
| 527724 | Jan 31, 2003 | Jan 31, 2003 | Knight, Reuben B. | Blanton, J. J. #1 | 5,860 | 49730500 |
| 527900 | Jan 30, 2003 | Jan 30, 2003 | Devon Energy Operating Co., L.P. | Fred L. Graham Gas Unit #6 | 9,000 | 49735179 |
| 527899 | Jan 30, 2003 | Jan 30, 2003 | Devon Energy Operating Co., L.P. | Newsom, D.W. #4 | 5,800 | 49732510 |
| 527779 | Jan 28, 2003 | Jan 28, 2003 | North Texas Llano Operating Corp | Newton #3R | 7,900 | 49735178 |
| 527779Amendment | Jan 28, 2003 | Jan 28, 2003 | North Texas Llano Operating Corp | Newton #3 R | 7,900 | 49735178 |
| 527613 | Jan 23, 2003 | Jan 23, 2003 | Devon Energy Operating Co., L.P. | Timm, Tullie #5 | 9,000 | 49735177 |
| 527575 | Jan 22, 2003 | Jan 22, 2003 | Devon Energy Operating Co., L.P. | Ham, J. A. #4H | 9,000 | 49735176 |
| 527206 | Jan 13, 2003 | Jan 13, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - Georgie Fitch #7B | 9,000 | 49735175 |
| 527077 | Jan 8, 2003 | Jan 8, 2003 | Devon Energy Operating Co., L.P. | Fred L. Graham Gas Unit #4 | 9,000 | 49735174 |
| 527077Amendment | Jan 8, 2003 | Jan 8, 2003 | Devon Energy Operating Co., L.P. | Graham, Fred L. Gas Unit #4 | 7,528 | 49735174 |
| 527076 | Jan 8, 2003 | Jan 8, 2003 | Devon Energy Operating Co., L.P. | Fred L. Graham Gas Unit #8 | 9,000 | 49735173 |
| 526946 | Jan 6, 2003 | Jan 6, 2003 | Devon Energy Operating Co., L.P. | J. H. Carpenter GU #5 | 9,000 | 49735172 |
| 526945 | Jan 6, 2003 | Jan 6, 2003 | Devon Energy Operating Co., L.P. | B. G. Derting #7 | 9,000 | 49735171 |
| 526945Amendment | Jan 6, 2003 | Jan 6, 2003 | Devon Energy Operating Co., L.P. | B. G. Derting Gas Unit #7 | 9,000 | 49735171 |
| 526944 | Jan 6, 2003 | Jan 6, 2003 | Devon Energy Operating Co., L.P. | J. F. Farlow Gas Unit "A" #4 | 9,000 | 49735170 |
| 526888 | Jan 3, 2003 | Jan 3, 2003 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #25B | 9,000 | 49735169 |
| 526883 | Jan 3, 2003 | Jan 3, 2003 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #11B | 9,000 | 49735168 |
| 526883Amendment | Jan 3, 2003 | Jan 3, 2003 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #11B | 9,000 | 49735168 |
| 526827 | Jan 3, 2003 | Jan 3, 2003 | Seely Oil Co. | Champion "A" #5 | 8,100 | 49735166 |
| 526879 | Jan 2, 2003 | Jan 2, 2003 | Briar Energy Corporation | Briar-Creek #2 | 7,400 | 49735167 |
| 526851 | Jan 2, 2003 | Jan 2, 2003 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #27B | 8,600 | 49735165 |
| 526844 | Dec 31, 2002 | Dec 31, 2002 | Devon Energy Operating Co., L.P. | June L. Griffeth Gas Unit "A" #8 | 9,000 | 49735164 |
| 526843 | Dec 31, 2002 | Dec 31, 2002 | Devon Energy Operating Co., L.P. | June L. Griffeth Gas Unit "A" #7 | 9,000 | 49735163 |
| 526842 | Dec 31, 2002 | Dec 31, 2002 | Devon Energy Operating Co., L.P. | June L. Griffeth Gas Unit "A" #6 | 9,000 | 49735162 |
| 526842Amendment | Dec 31, 2002 | Dec 31, 2002 | Devon Energy Operating Co., L.P. | June L. Griffeth Gas Unit "A" #6 | 9,000 | 49735162 |
| 526841 | Dec 31, 2002 | Dec 31, 2002 | Devon Energy Operating Co., L.P. | June L. Griffeth Gas Unit "A" #5 | 9,000 | 49735161 |
| 526840 | Dec 31, 2002 | Dec 31, 2002 | Devon Energy Operating Co., L.P. | June L. Griffeth Gas Unit "A" #4 | 9,000 | 49735160 |
| 526802 | Dec 30, 2002 | Dec 30, 2002 | Aruba Petroleum, Inc. | Reiger #1 | 9,000 | 49735159 |
| 526802Amendment | Dec 30, 2002 | Dec 30, 2002 | Aruba Petroleum, Inc. | Reiger #1 | 9,000 | 49735159 |
| 526538 | Dec 30, 2002 | Dec 30, 2002 | Walsh & Watts, Inc. | Fuller #1A | 1,850 | 49701977 |
| 526607 | Dec 20, 2002 | Dec 20, 2002 | Four Sevens Operating Co., Ltd. | Alliston #2 | 4,000 | 49735158 |
| 526607Amendment | Dec 20, 2002 | Dec 20, 2002 | Four Sevens Operating Co., Ltd. | Alliston #2 | 4,000 | 49735158 |
| 526602 | Dec 20, 2002 | Dec 20, 2002 | Devon Energy Operating Co., L.P. | Logan-Miller #6 | 9,000 | 49735156 |
| 526601 | Dec 20, 2002 | Dec 20, 2002 | Devon Energy Operating Co., L.P. | Logan-Miller #7 | 9,000 | 49735157 |
| 526527 | Dec 19, 2002 | Dec 19, 2002 | Burlington Resources O & G Co LP | C. W. "B" #18 | 9,000 | 49735155 |
| 526414 | Dec 16, 2002 | Dec 16, 2002 | Threshold Development Co. | Todd-Vinson #1 | 8,000 | 49735154 |
| 526398 | Dec 16, 2002 | Dec 16, 2002 | Devon Energy Operating Co., L.P. | Thorell, Dollie "A" #3 | 9,000 | 49735153 |
| 526397 | Dec 16, 2002 | Dec 16, 2002 | Devon Energy Operating Co., L.P. | Thorell, Dollie "A" #2 | 9,000 | 49735152 |
| 526385 | Dec 13, 2002 | Dec 13, 2002 | Devon Energy Operating Co., L.P. | Thorell, Dollie "A" #4 | 9,000 | 49735151 |
| 526340 | Dec 13, 2002 | Dec 13, 2002 | Chief Oil & Gas LLC | Donaldson #3 | 8,000 | 49735149 |
| 526339 | Dec 13, 2002 | Dec 13, 2002 | Chief Oil & Gas LLC | Donaldson #5 | 8,000 | 49735150 |
| 526265 | Dec 11, 2002 | Dec 11, 2002 | Devon Energy Operating Co., L.P. | Gilley, J. A. #1 | 6,000 | 49701104 |
| 526264 | Dec 11, 2002 | Dec 11, 2002 | Devon Energy Operating Co., L.P. | Askey "B" #7 | 8,260 | 49735148 |
| 526263 | Dec 11, 2002 | Dec 11, 2002 | Devon Energy Operating Co., L.P. | Bryan - Askey Gas Unit #5 | 8,250 | 49735147 |
| 526262 | Dec 11, 2002 | Dec 11, 2002 | Devon Energy Operating Co., L.P. | Bryan "D" #4 | 8,250 | 49735146 |
| 526194 | Dec 9, 2002 | Dec 9, 2002 | Devon Energy Operating Co., L.P. | Wcco 1 - Truett Wilson #7E | 8,550 | 49735145 |
| 526145 | Dec 6, 2002 | Dec 6, 2002 | Aruba Petroleum, Inc. | Sanford #3 | 9,000 | 49735144 |
| 526144 | Dec 6, 2002 | Dec 6, 2002 | Aruba Petroleum, Inc. | Sanford #2 | 9,000 | 49735143 |
| 526143 | Dec 6, 2002 | Dec 6, 2002 | Aruba Petroleum, Inc. | Sanford #1 | 9,000 | 49735142 |
| 526141 | Dec 6, 2002 | Dec 6, 2002 | Aruba Petroleum, Inc. | Makphailbulchoke #2 | 9,000 | 49735141 |
| 526111 | Dec 5, 2002 | Dec 5, 2002 | Devon Energy Operating Co., L.P. | Wise, James E. #7 | 7,350 | 49735140 |
| 526110 | Dec 5, 2002 | Dec 5, 2002 | Devon Energy Operating Co., L.P. | W. J. Shephard Gas Unit #5 | 7,400 | 49735139 |
| 526109 | Dec 5, 2002 | Dec 5, 2002 | Devon Energy Operating Co., L.P. | Carter, B. S., Jr. #6 | 8,300 | 49735138 |
| 526104 | Dec 5, 2002 | Dec 5, 2002 | Chief Oil & Gas LLC | Blase "C" #1 | 6,900 | 49735137 |
| 525993 | Dec 2, 2002 | Dec 2, 2002 | Devon Energy Operating Co., L.P. | Johnson, W. D."b" #22 | 8,220 | 49735136 |
| 525992 | Dec 2, 2002 | Dec 2, 2002 | Devon Energy Operating Co., L.P. | Johnson, W. D."b" #21 | 8,230 | 49735134 |
| 525991 | Dec 2, 2002 | Dec 2, 2002 | Devon Energy Operating Co., L.P. | Johnson, W. D. "B' #20 | 8,215 | 49735135 |
| 525939 | Nov 27, 2002 | Nov 27, 2002 | Tejas Western Corp. | Dahlin #1 | 8,900 | 49735133 |
| 525865 | Nov 25, 2002 | Nov 25, 2002 | Koram Operating LLC | Sherman, Diamond #1KR | 8,900 | 49735132 |
| 525666 | Nov 19, 2002 | Nov 19, 2002 | Chief Oil & Gas LLC | Benedict "C" #1 | 6,800 | 49735131 |
| 525613 | Nov 18, 2002 | Nov 18, 2002 | Devon Energy Operating Co., L.P. | Hutcheson, W. A. #1 | 6,400 | 49701152 |
| 525613Amendment | Nov 18, 2002 | Nov 18, 2002 | Devon Energy Operating Co., L.P. | Hutcheson, W. A. #1 | 6,400 | 49701152 |
| 525612 | Nov 18, 2002 | Nov 18, 2002 | Devon Energy Operating Co., L.P. | Walker, F. B. #3 | 5,900 | 49733718 |
| 525593 | Nov 18, 2002 | Nov 18, 2002 | Star of Texas Energy Srvs, Inc. | Oates - Star #2 | 8,500 | 49735130 |
| 525592 | Nov 18, 2002 | Nov 18, 2002 | Star of Texas Energy Srvs, Inc. | Oates - Star #1 | 8,500 | 49735129 |
| 525461 | Nov 15, 2002 | Nov 15, 2002 | Lakota Energy, Ltd. | Bryan #4 | 7,950 | 49735126 |
| 525505 | Nov 14, 2002 | Nov 14, 2002 | Devon Energy Operating Co., L.P. | William Tedrow Gas Unit #8 | 7,600 | 49735127 |
| 525415 | Nov 12, 2002 | Nov 12, 2002 | Devon Energy Operating Co., L.P. | Carter, B. S. Jr. #5 | 8,300 | 49735125 |
| 525169 | Nov 5, 2002 | Nov 5, 2002 | U. S. Operating, Inc. | Shirley #1 | 8,900 | 49735023 |