| 635661 | Apr 3, 2007 | Apr 3, 2007 | Dte Gas Resources, Inc. | Payne, F. 1564 #1HH | 6,700 | 23739061 |
| 635615 | Mar 29, 2007 | Mar 29, 2007 | EOG Resources, Inc. | Little Creek a Unit #3HH | 6,500 | 23739060 |
| 635595 | Mar 27, 2007 | Mar 27, 2007 | EOG Resources, Inc. | Moxley #1HH | 6,500 | 23739059 |
| 635572 | Mar 27, 2007 | Mar 27, 2007 | Dte Gas Resources, Inc. | Rutledge, L. #1HH | 6,700 | 23739058 |
| 635572Amendment | Mar 27, 2007 | Mar 27, 2007 | Dte Gas Resources, LLC | Rutledge, L. #1HH | 6,700 | 23739058 |
| 635389 | Mar 23, 2007 | Mar 23, 2007 | EOG Resources, Inc. | Richards Ranch #7 | 7,000 | 23739057 |
| 634539 | Mar 23, 2007 | Mar 23, 2007 | Century Petroleum, Inc. | Campsey H. #1 | 7,000 | 23739056 |
| 635048 | Mar 20, 2007 | Mar 20, 2007 | Dte Gas Resources, Inc. | Burbidge 68A #2 | 6,500 | 23739055 |
| 634300 | Mar 6, 2007 | Mar 6, 2007 | Pogo Producing Company | Cap Yates #2 | 7,500 | 23739054 |
| 634298 | Mar 6, 2007 | Mar 6, 2007 | Pogo Producing Company | Cap Yates #1HH | 6,700 | 23739053 |
| 634059 | Feb 28, 2007 | Feb 28, 2007 | Dte Gas Resources, Inc. | Fulton 223 CC #3HH | 6,700 | 23739051 |
| 634056 | Feb 28, 2007 | Feb 28, 2007 | Dte Gas Resources, Inc. | Fulton 223 CC #2HH | 6,700 | 23739050 |
| 634053 | Feb 28, 2007 | Feb 28, 2007 | Dte Gas Resources, Inc. | Fulton 223 CC #1HH | 6,700 | 23739052 |
| 634041 | Feb 28, 2007 | Feb 28, 2007 | Dte Gas Resources, Inc. | Gardner (Clark) 233 #6HH | 6,800 | 23739049 |
| 634038 | Feb 28, 2007 | Feb 28, 2007 | Dte Gas Resources, Inc. | Gardner (Flowers) 233 #7HH | 6,800 | 23739048 |
| 634038Amendment | Feb 28, 2007 | Feb 28, 2007 | Dte Gas Resources, LLC | Flowers #1HH | 6,800 | 23739048 |
| 633486 | Feb 15, 2007 | Feb 15, 2007 | EOG Resources, Inc. | Fox "B" Unit #1HH | 6,300 | 23739047 |
| 633486Amendment | Feb 15, 2007 | Feb 15, 2007 | EOG Resources, Inc. | Fox "B" Unit #1HH | 6,300 | 23739047 |
| 632266 | Feb 12, 2007 | Feb 12, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 56 | 5,000 | 23739040 |
| 632272 | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 60 | 5,000 | 23739044 |
| 632272Amendment | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 60 | 5,000 | 23739044 |
| 632271 | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 59 | 5,000 | 23739043 |
| 632270 | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 58 | 5,000 | 23739042 |
| 632268 | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 57 | 5,000 | 23739041 |
| 632262 | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 55 | 5,000 | 23739039 |
| 632262Amendment | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 55 | 5,000 | 23739039 |
| 632261 | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 54 | 5,000 | 23739038 |
| 632259 | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 53 | 5,000 | 23739037 |
| 632259Amendment | Feb 10, 2007 | Feb 10, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 53 | 5,000 | 23739037 |
| 633019 | Feb 8, 2007 | Feb 8, 2007 | Dte Gas Resources, Inc. | Gardner 233 (Ann Abernathie) #2HH | 7,000 | 23739046 |
| 633014 | Feb 8, 2007 | Feb 8, 2007 | Dte Gas Resources, Inc. | Gardner 233 (Kent Abernathie) #4 | 7,000 | 23739045 |
| 631473 | Feb 6, 2007 | Feb 6, 2007 | EOG Resources, Inc. | Martha Wolfe Unit #1HH | 6,300 | 23739030 |
| 632461 | Jan 31, 2007 | Jan 31, 2007 | EOG Resources, Inc. | Roper C Unit #2HH | 6,300 | 23739036 |
| 632459 | Jan 31, 2007 | Jan 31, 2007 | EOG Resources, Inc. | Roper C Unit #1HH | 6,300 | 23739035 |
| 631358 | Jan 26, 2007 | Jan 26, 2007 | Hep Oil Company, Ltd. | Cramer-Logan Waterflood Unit #1001 | 5,823 | 23702008 |
| 632339 | Jan 25, 2007 | Jan 25, 2007 | Dte Gas Resources, Inc. | Henson 260 #8 HH | 6,800 | 23739033 |
| 632133 | Jan 25, 2007 | Jan 25, 2007 | Atoka Operating, Inc. | Maxwell #1 | 6,000 | 23739034 |
| 632133Amendment | Jan 25, 2007 | Jan 25, 2007 | Atoka Operating, Inc. | Maxwell #1 | 6,000 | 23739034 |
| 631824 | Jan 17, 2007 | Jan 17, 2007 | Dte Gas Resources, Inc. | Crainshaw 128 Sta #5AHH | 6,400 | 23739032 |
| 631780 | Jan 12, 2007 | Jan 12, 2007 | Best Petroleum Explorations, Inc | Easter #2 | 7,000 | 23739031 |
| 631440 | Jan 8, 2007 | Jan 8, 2007 | Adexco Operating Company | Boley Ranch #1HH | 6,000 | 23739029 |
| 631250 | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 52 | 5,000 | 23739028 |
| 631250Amendment | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 52 | 5,000 | 23739028 |
| 631249 | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 51 | 5,000 | 23739027 |
| 631248 | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 50 | 5,000 | 23739026 |
| 631248Amendment | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 50 | 5,000 | 23739026 |
| 631246 | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 49 | 5,000 | 23739025 |
| 631243 | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham-Steed Unit #P 48 | 5,000 | 23739024 |
| 631242 | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 47 | 5,000 | 23739023 |
| 631241 | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 46 | 5,000 | 23739022 |
| 631241Amendment | Jan 3, 2007 | Jan 3, 2007 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #P 46 | 5,000 | 23739022 |
| 630981 | Dec 27, 2006 | Dec 27, 2006 | EOG Resources, Inc. | Jackson Heirs "a" Unit #2HH | 6,300 | 23739021 |
| 630086 | Dec 22, 2006 | Dec 22, 2006 | EOG Resources, Inc. | Jackson Heirs #3HH | 6,400 | 23739019 |
| 630086Amendment | Dec 22, 2006 | Dec 22, 2006 | EOG Resources, Inc. | Jackson Heirs #3HH | 6,400 | 23739019 |
| 630868 | Dec 21, 2006 | Dec 21, 2006 | Pop Operating Company | Gillespie Farmout "B" #2 | 3,600 | 23739020 |
| 630208 | Dec 19, 2006 | Dec 19, 2006 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #I 15 | 5,000 | 23739018 |
| 630206 | Dec 19, 2006 | Dec 19, 2006 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #I 16 | 5,000 | 23739016 |
| 630204 | Dec 19, 2006 | Dec 19, 2006 | Worsham-Steed Gas Storage, L.P. | Worsham Steed Unit #I 14 | 5,000 | 23739017 |
| 630127 | Dec 19, 2006 | Dec 19, 2006 | Cholla Petroleum, Inc. | Dees Yates Unit #1 | 3,999 | 23734974 |
| 630117 | Dec 19, 2006 | Dec 19, 2006 | Rogers Drilling Co. | Perkins #1 | 5,600 | 23738770 |
| 630528 | Dec 14, 2006 | Dec 14, 2006 | Star of Texas Energy Srvs, Inc. | Wilson A #1HH | 8,000 | 23739015 |
| 630360 | Dec 12, 2006 | Dec 12, 2006 | Dte Gas Resources, Inc. | J Hughes 251 CC #8HH | 6,700 | 23739014 |
| 629887 | Dec 6, 2006 | Dec 6, 2006 | Dte Gas Resources, Inc. | G. S. Murray a-1981 Unit #1HH | 7,000 | 23739012 |
| 629838 | Dec 6, 2006 | Dec 6, 2006 | Willowbend Investments, Inc. | Franks #2 | 4,000 | 23739013 |
| 629838Amendment | Dec 6, 2006 | Dec 6, 2006 | Willowbend Investments, Inc. | Franks #2 | 4,000 | 23739013 |
| 629756 | Dec 4, 2006 | Dec 4, 2006 | Dte Gas Resources, Inc. | Crainshaw 128 Sta #8V | 6,400 | 23739011 |
| 629752 | Dec 1, 2006 | Dec 1, 2006 | Dte Gas Resources, Inc. | Crainshaw 128 Sta #7HH | 6,400 | 23739010 |
| 629750 | Dec 1, 2006 | Dec 1, 2006 | Dte Gas Resources, Inc. | Crainshaw 128 Sta #6HH | 6,400 | 23739009 |
| 629746 | Dec 1, 2006 | Dec 1, 2006 | Dte Gas Resources, Inc. | Crainshaw 128 Sta #5HH | 6,400 | 23739008 |
| 629743 | Dec 1, 2006 | Dec 1, 2006 | Dte Gas Resources, Inc. | Crainshaw 128 Sta #4V | 6,400 | 23739007 |
| 629610 | Nov 29, 2006 | Nov 29, 2006 | EOG Resources, Inc. | Little Creek a Unit #2HH | 6,400 | 23739006 |
| 629343 | Nov 28, 2006 | Nov 28, 2006 | Adexco Operating Company | Huskey #3HH | 9,000 | 23739005 |
| 629493 | Nov 27, 2006 | Nov 27, 2006 | Dte Gas Resources, Inc. | Crainshaw 128 Ses #10 HH | 6,400 | 23739003 |
| 629434 | Nov 27, 2006 | Nov 27, 2006 | Willowbend Investments, Inc. | Henderson "A" #2 | 6,200 | 23739004 |
| 629288 | Nov 20, 2006 | Nov 20, 2006 | Swan Production Co. | Henderson #S 1HH | 6,000 | 23739002 |
| 629288Amendment | Nov 20, 2006 | Nov 20, 2006 | Swan Production Co. | Henderson #S 1HH | 7,050 | 23739002 |
| 629176 | Nov 20, 2006 | Nov 20, 2006 | Aspen Operating Company, L.L.C. | John Pursley #1 | 5,851 | 23730080 |
| 628782 | Nov 9, 2006 | Nov 9, 2006 | Hep Oil Company, Ltd. | Cramer-Logan Waterflood Unit #1210 | 5,200 | 23739000 |
| 628306 | Nov 9, 2006 | Nov 9, 2006 | Beisch, Rusty | Dearing, W. R. 'B' #5B | 750 | 23739001 |
| 628354 | Nov 8, 2006 | Nov 8, 2006 | Pitcock, Inc. | Clayton-Price "A" #3 | 5,600 | 23738999 |
| 628329 | Oct 31, 2006 | Oct 31, 2006 | Cholla Petroleum, Inc. | Smith Mountain #1 | 6,299 | 23738998 |
| 628225 | Oct 27, 2006 | Oct 27, 2006 | Hep Oil Company, Ltd. | Cramer-Logan Waterflood Unit #1211 | 5,200 | 23738997 |
| 627300 | Oct 19, 2006 | Oct 19, 2006 | Century Petroleum, Inc. | Davis "A" #2 | 7,000 | 23738994 |
| 627737 | Oct 18, 2006 | Oct 18, 2006 | Hep Oil Company, Ltd. | Cramer-Logan Waterflood Unit #703 | 5,200 | 23738995 |
| 627736 | Oct 18, 2006 | Oct 18, 2006 | Hep Oil Company, Ltd. | Cramer-Logan Waterflood Unit #1212 | 5,200 | 23738996 |
| 627148 | Oct 17, 2006 | Oct 17, 2006 | Century Petroleum, Inc. | Wimberly #1 | 4,621 | 23706289 |
| 625416 | Oct 17, 2006 | Oct 17, 2006 | B & S Disposal, LLC | Moore, Wm. K. #1 | 2,600 | 23733651 |
| 625416Amendment | Oct 17, 2006 | Oct 17, 2006 | B & S Disposal, LLC | Moore, Wm. K. #1 | 3,500 | 23733651 |
| 627043 | Oct 16, 2006 | Oct 16, 2006 | Mobile Petrovac, Inc. | Sloan "C" #2 | 4,950 | 23737627 |
| 627314 | Oct 11, 2006 | Oct 11, 2006 | Dte Gas Resources, Inc. | J. M. Rhoades 1571 #1HH | 6,500 | 23738993 |
| 627167 | Oct 6, 2006 | Oct 6, 2006 | Dte Gas Resources, Inc. | F. Payne 1564 #4HH | 6,500 | 23738992 |
| 626874 | Oct 2, 2006 | Oct 2, 2006 | Dte Gas Resources, Inc. | Henson (Gta) 260 #4 HH | 6,800 | 23738991 |
| 626872 | Oct 2, 2006 | Oct 2, 2006 | Dte Gas Resources, Inc. | Crainshaw 128 #3 | 6,500 | 23738990 |
| 626313 | Sep 29, 2006 | Sep 29, 2006 | Breck Operating Corp. | Hanna, John G. #1 | 5,500 | 23738984 |
| 626310 | Sep 29, 2006 | Sep 29, 2006 | Breck Operating Corp. | Hanna, John G. #2 | 5,500 | 23738985 |
| 626298 | Sep 29, 2006 | Sep 29, 2006 | Breck Operating Corp. | Workman, C. C. #3 | 5,500 | 23738983 |
| 626297 | Sep 29, 2006 | Sep 29, 2006 | Breck Operating Corp. | Marks, Ela "B" #1R | 5,500 | 23738986 |
| 626297Amendment | Sep 29, 2006 | Sep 29, 2006 | Breck Operating Corp. | Marks, Ela "B" #1R | 5,500 | 23738986 |
| 626700 | Sep 28, 2006 | Sep 28, 2006 | Hep Oil Company, Ltd. | Crammer-Logan Waterflood Unit #1305 | 5,200 | 23738989 |
| 626700Amendment | Sep 28, 2006 | Sep 28, 2006 | Hep Oil Company, Ltd. | Cramer-Logan Waterflood Unit #1305 | 5,200 | 23738989 |