| 649814 | Nov 28, 2007 | Nov 28, 2007 | OK Arena Operating Company | Thornberry #600340301 | 4,900 |
| 649813 | Nov 28, 2007 | Nov 28, 2007 | OK Arena Operating Company | McElreath #500340296 | 4,900 |
| 649812 | Nov 28, 2007 | Nov 28, 2007 | OK Arena Operating Company | Corrigan #900340295 | 4,900 |
| 649343 | Nov 28, 2007 | Nov 28, 2007 | OK Arena Operating Company | Thornberry B #500340292 | 4,900 |
| 649807 | Nov 26, 2007 | Nov 26, 2007 | St. Mary Land & Exploration Co. | University Andrews #10600310202 | 4,000 |
| 649807Amendment | Nov 26, 2007 | Nov 26, 2007 | St. Mary Land & Exploration Co. | University Andrews -A- #10600310202 | 3,600 |
| 649678 | Nov 26, 2007 | Nov 26, 2007 | Forest Oil Corporation | Phillips University 11 #300340032 | 8,500 |
| 649607 | Nov 20, 2007 | Nov 20, 2007 | St. Mary Land & Exploration Co. | University 10 NW #3003A00304646 | 4,000 |
| 649607Amendment | Nov 20, 2007 | Nov 20, 2007 | St. Mary Land & Exploration Co. | University Andrews #4300304646 | 4,000 |
| 649534 | Nov 19, 2007 | Nov 19, 2007 | St. Mary Land & Exploration Co. | University 10 NE #320200340293 | 3,500 |
| 649171 | Nov 15, 2007 | Nov 15, 2007 | Stephens & Johnson Operating Co. | University "A" #1600340290 | 7,500 |
| 649222 | Nov 14, 2007 | Nov 14, 2007 | OK Arena Operating Company | Thornberry #700340291 | 4,900 |
| 649222Amendment | Nov 14, 2007 | Nov 14, 2007 | OK Arena Operating Company | Kuykendall #600340291 | 4,900 |
| 648981 | Nov 14, 2007 | Nov 14, 2007 | Pecos Operating Company, LLC | University #100333334 | 8,150 |
| 648485 | Nov 7, 2007 | Nov 7, 2007 | OK Arena Operating Company | Thornberry E #400340286 | 4,900 |
| 648704 | Nov 6, 2007 | Nov 6, 2007 | EXL Petroleum, LP | University 3-11 #100338989 | 12,000 |
| 648497 | Nov 2, 2007 | Nov 2, 2007 | OK Arena Operating Company | Thornberry E #300340289 | 4,900 |
| 648497Amendment | Nov 2, 2007 | Nov 2, 2007 | OK Arena Operating Company | M.A. Thornberry Estate E #300340289 | 4,900 |
| 648495 | Oct 31, 2007 | Oct 31, 2007 | OK Arena Operating Company | Zeismer #400340287 | 4,900 |
| 648475 | Oct 31, 2007 | Oct 31, 2007 | OK Arena Operating Company | Thornberry F #600340285 | 4,900 |
| 648473 | Oct 31, 2007 | Oct 31, 2007 | OK Arena Operating Company | Thornberry F #500340284 | 4,900 |
| 648468 | Oct 31, 2007 | Oct 31, 2007 | OK Arena Operating Company | Thornberry 4W #500340282 | 4,900 |
| 648467 | Oct 31, 2007 | Oct 31, 2007 | OK Arena Operating Company | Thornberry 4W #700340283 | 4,900 |
| 648462 | Oct 31, 2007 | Oct 31, 2007 | OK Arena Operating Company | Thornberry 4W #600340281 | 4,900 |
| 648185 | Oct 25, 2007 | Oct 25, 2007 | COG Operating LLC | Lowe, M. R. 15 #600340280 | 8,900 |
| 648072 | Oct 23, 2007 | Oct 23, 2007 | Texland Petroleum, L.P. | Scarborough (San Andres) Unit #117000340279 | 4,800 |
| 648071 | Oct 23, 2007 | Oct 23, 2007 | Texland Petroleum, L.P. | Scarborough (San Andres) Unit #203200340278 | 4,800 |
| 647986 | Oct 19, 2007 | Oct 19, 2007 | OK Arena Operating Company | Thornberry E #200340276 | 4,900 |
| 647977 | Oct 19, 2007 | Oct 19, 2007 | OK Arena Operating Company | Martin #1600340273 | 4,900 |
| 647976 | Oct 19, 2007 | Oct 19, 2007 | OK Arena Operating Company | Martin #1500340274 | 4,900 |
| 647974 | Oct 19, 2007 | Oct 19, 2007 | OK Arena Operating Company | Nix 20 #200340272 | 4,900 |
| 647973 | Oct 19, 2007 | Oct 19, 2007 | OK Arena Operating Company | Parker D #300340275 | 4,900 |
| 647972 | Oct 19, 2007 | Oct 19, 2007 | OK Arena Operating Company | Parker C #400340277 | 4,900 |
| 647970 | Oct 19, 2007 | Oct 19, 2007 | OK Arena Operating Company | Parker C #300340271 | 4,900 |
| 645597 | Oct 19, 2007 | Oct 19, 2007 | Occidental Permian Ltd. | Midland Farms Unit #15600303342 | 4,900 |
| 647692 | Oct 17, 2007 | Oct 17, 2007 | Fasken Oil and Ranch, Ltd. | State University Hutex Cons. #1900333351 | 13,200 |
| 647604 | Oct 17, 2007 | Oct 17, 2007 | OK Arena Operating Company | Nix, E. C. #1500340270 | 4,900 |
| 647603 | Oct 17, 2007 | Oct 17, 2007 | OK Arena Operating Company | Nix, E. C. #1400340269 | 4,900 |
| 647598 | Oct 17, 2007 | Oct 17, 2007 | OK Arena Operating Company | Nix, E. C. #1300340268 | 4,900 |
| 647594 | Oct 17, 2007 | Oct 17, 2007 | OK Arena Operating Company | Munger Nix A #2300340266 | 4,900 |
| 647593 | Oct 17, 2007 | Oct 17, 2007 | OK Arena Operating Company | Munger Nix A #2200340265 | 4,900 |
| 647597 | Oct 16, 2007 | Oct 16, 2007 | OK Arena Operating Company | Nix, E. C. #1200340267 | 4,900 |
| 646881 | Oct 11, 2007 | Oct 11, 2007 | OK Arena Operating Company | Munger Nix A #2100340261 | 4,900 |
| 646880 | Oct 11, 2007 | Oct 11, 2007 | OK Arena Operating Company | Munger Nix A #2000340260 | 4,900 |
| 646878 | Oct 11, 2007 | Oct 11, 2007 | OK Arena Operating Company | Munger Nix A #1900340259 | 4,900 |
| 646868 | Oct 11, 2007 | Oct 11, 2007 | OK Arena Operating Company | Munger Nix A #1800340258 | 4,900 |
| 646863 | Oct 11, 2007 | Oct 11, 2007 | OK Arena Operating Company | Munger Nix A #1700340257 | 4,900 |
| 646851 | Oct 11, 2007 | Oct 11, 2007 | OK Arena Operating Company | Munger Nix A #1600340255 | 4,900 |
| 646848 | Oct 11, 2007 | Oct 11, 2007 | OK Arena Operating Company | Munger Nix A #1500340254 | 4,900 |
| 646843 | Oct 11, 2007 | Oct 11, 2007 | OK Arena Operating Company | Munger Nix A #1400340256 | 4,900 |
| 646452 | Oct 11, 2007 | Oct 11, 2007 | OK Arena Operating Company | Munger Nix #183200340253 | 4,900 |
| 647232 | Oct 9, 2007 | Oct 9, 2007 | Mewbourne Oil Company | University "B7" "37" #100340263 | 10,500 |
| 647230 | Oct 9, 2007 | Oct 9, 2007 | Mewbourne Oil Company | University "B7" "37" #200340264 | 10,500 |
| 647150 | Oct 8, 2007 | Oct 8, 2007 | Cambrian Management, Ltd. | Bohannon #260100340262 | 11,000 |
| 645701 | Oct 8, 2007 | Oct 8, 2007 | XTO Energy Inc. | State of Texas BH #900340243 | 10,800 |
| 646450 | Sep 28, 2007 | Sep 28, 2007 | OK Arena Operating Company | Munger Nix #183100340252 | 4,900 |
| 646444 | Sep 28, 2007 | Sep 28, 2007 | OK Arena Operating Company | Munger Nix #183000340250 | 4,900 |
| 646441 | Sep 28, 2007 | Sep 28, 2007 | OK Arena Operating Company | Munger Nix #182900340249 | 4,900 |
| 646436 | Sep 28, 2007 | Sep 28, 2007 | OK Arena Operating Company | Munger Nix #182800340251 | 4,900 |
| 646298 | Sep 28, 2007 | Sep 28, 2007 | OK Arena Operating Company | Lindley #3 #500340245 | 4,900 |
| 646299 | Sep 27, 2007 | Sep 27, 2007 | OK Arena Operating Company | Lindley #600340248 | 4,900 |
| 646295 | Sep 27, 2007 | Sep 27, 2007 | OK Arena Operating Company | Lindley #400340244 | 4,900 |
| 646547 | Sep 26, 2007 | Sep 26, 2007 | Energen Resources Corporation | University '14-A' #600339936 | 8,200 |
| 646467 | Sep 26, 2007 | Sep 26, 2007 | Pacesetter Energy, Inc. | Nichols Sisterload #900335534 | 5,000 |
| 646467Amendment | Sep 26, 2007 | Sep 26, 2007 | Pacesetter Energy, Inc. | Nichols Sisterload #900335534 | 6,000 |
| 646457 | Sep 26, 2007 | Sep 26, 2007 | Pacesetter Energy, Inc. | Nichols Sisterload #400335515 | 4,850 |
| 646304 | Sep 21, 2007 | Sep 21, 2007 | OK Arena Operating Company | Munger Nix #182700340247 | 4,900 |
| 646303 | Sep 21, 2007 | Sep 21, 2007 | OK Arena Operating Company | Lindley, J. T. #700340246 | 4,900 |
| 646181 | Sep 20, 2007 | Sep 20, 2007 | Pacesetter Energy, Inc. | Nichols Sisterload #600335533 | 5,017 |
| 645820 | Sep 18, 2007 | Sep 18, 2007 | Pacesetter Energy, Inc. | Savage Fisher #1A00310538 | 13,559 |
| 645819 | Sep 17, 2007 | Sep 17, 2007 | Pacesetter Energy, Inc. | Nichols Sisterload #5A00335535 | 5,017 |
| 645812 | Sep 17, 2007 | Sep 17, 2007 | Pacesetter Energy, Inc. | Nichols Sisterload #300335516 | 5,000 |
| 645555 | Sep 6, 2007 | Sep 6, 2007 | OK Arena Operating Company | Olsen Brown #400340242 | 4,900 |
| 645554 | Sep 6, 2007 | Sep 6, 2007 | OK Arena Operating Company | Olsen Brown #500340241 | 4,900 |
| 645267 | Aug 30, 2007 | Aug 30, 2007 | Chesapeake Operating, Inc. | University 7-18 #200340240 | 12,000 |
| 645267Amendment | Aug 30, 2007 | Aug 30, 2007 | Chesapeake Operating, Inc. | University 7-18 #200340240 | 12,000 |
| 645182 | Aug 30, 2007 | Aug 30, 2007 | Devon Energy Production Co, L.P. | Fsau #58HH00337958 | 4,802 |
| 645175 | Aug 30, 2007 | Aug 30, 2007 | Devon Energy Production Co, L.P. | Fsau #25WHH00337965 | 4,805 |
| 642602 | Aug 28, 2007 | Aug 28, 2007 | M & M Production Ltd. | University "B" #400310430 | 5,200 |
| 642568 | Aug 28, 2007 | Aug 28, 2007 | Apache Corporation | Bakke Unit #14500330755 | 10,600 |
| 633609 | Aug 28, 2007 | Aug 28, 2007 | Primexx Operating Corporation | University Consolidated Xiii #4D00305989 | 5,000 |
| 644620 | Aug 20, 2007 | Aug 20, 2007 | Fasken Oil and Ranch, Ltd. | Fee "A" #300331587 | 11,500 |
| 642185 | Aug 16, 2007 | Aug 16, 2007 | Apache Corporation | Bakke Unit #14400340225 | 10,000 |
| 642185Amendment | Aug 16, 2007 | Aug 16, 2007 | Apache Corporation | Bakke Unit #14400340225 | 10,000 |
| 642182 | Aug 16, 2007 | Aug 16, 2007 | Apache Corporation | Bakke Unit #14300340226 | 10,000 |
| 642182Amendment | Aug 16, 2007 | Aug 16, 2007 | Apache Corporation | Bakke Unit #14300340226 | 10,000 |
| 643971 | Aug 14, 2007 | Aug 14, 2007 | Parallel Petroleum Corporation | Cothes, C. R. #200340239 | 5,500 |
| 641957 | Aug 14, 2007 | Aug 14, 2007 | Phoenix Petrocorp, Inc. | South Fuhrman-Mascho Unit #89600340223 | 5,000 |
| 641956 | Aug 14, 2007 | Aug 14, 2007 | Phoenix Petrocorp, Inc. | South Fuhrman-Mascho Unit #84600340222 | 5,000 |
| 641956Amendment | Aug 14, 2007 | Aug 14, 2007 | OK Arena Operating Company | South Fuhrman-Mascho Unit #84600340222 | 4,900 |
| 641954 | Aug 14, 2007 | Aug 14, 2007 | Phoenix Petrocorp, Inc. | South Fuhrman-Mascho Unit #59400340221 | 5,000 |
| 643523 | Aug 7, 2007 | Aug 7, 2007 | Chesapeake Operating, Inc. | University 7-25 B #400340238 | 12,000 |
| 643488 | Aug 7, 2007 | Aug 7, 2007 | Chesapeake Operating, Inc. | University 7-10 B #100340235 | 12,000 |
| 643488Amendment | Aug 7, 2007 | Aug 7, 2007 | Chesapeake Operating, Inc. | University 7-10 B #100340235 | 12,000 |
| 643439 | Aug 7, 2007 | Aug 7, 2007 | Chesapeake Operating, Inc. | University 7-19 B #200340234 | 12,000 |
| 643319 | Aug 4, 2007 | Aug 4, 2007 | Burleson, Lewis B. Inc. | Satanta University #100340233 | 6,500 |
| 642749 | Aug 2, 2007 | Aug 2, 2007 | OK Arena Operating Company | Fly Offset #100340232 | 4,900 |
| 642769 | Jul 30, 2007 | Jul 30, 2007 | OK Arena Operating Company | Fly #900340230 | 4,900 |
| 642763 | Jul 30, 2007 | Jul 30, 2007 | OK Arena Operating Company | Parker B #400340231 | 4,900 |
| 642760 | Jul 30, 2007 | Jul 30, 2007 | OK Arena Operating Company | Fly Offset #200340229 | 4,900 |