| 499537 | Sep 13, 2000 | Sep 13, 2000 | Ventex Operating Corp. | GSR #1A | 9,847 | 23932303 |
| 499537Amendment | Sep 13, 2000 | Sep 13, 2000 | Ventex Operating Corp. | GSR #1A | 9,847 | 23932303 |
| 499429 | Sep 11, 2000 | Sep 11, 2000 | Crawford Energy Operating Co | Miller #1 | 7,000 | 23933089 |
| 499401 | Sep 8, 2000 | Sep 8, 2000 | Tidal Petroleum, Inc. | Meyer #1 | 6,000 | 23933088 |
| 499184 | Sep 6, 2000 | Sep 6, 2000 | Sue-Ann Operating, L.C. | McInnis #1 | 7,450 | 23933087 |
| 499184Amendment | Sep 6, 2000 | Sep 6, 2000 | Sue-Ann Operating, L.C. | McInnis #1 | 7,450 | 23933087 |
| 499196 | Sep 5, 2000 | Sep 5, 2000 | Star of Texas Energy Srvs, Inc. | Wynn, Steve "A" #1 | 3,700 | 23933086 |
| 499196Amendment | Sep 5, 2000 | Sep 5, 2000 | Star of Texas Energy Srvs, Inc. | Wynn, Steve "A" #1 | 3,700 | 23933086 |
| 499188 | Sep 5, 2000 | Sep 5, 2000 | Kebo Oil & Gas, Inc. | Larkins Thedford #1 | 5,500 | 23931758 |
| 498642 | Aug 21, 2000 | Aug 21, 2000 | Yuma E & P Company, Inc. | Dugger/Seale Unit #1 | 7,750 | 23933085 |
| 498642Amendment | Aug 21, 2000 | Aug 21, 2000 | Yuma E & P Company, Inc. | Dugger/Seale Unit #1 | 7,750 | 23933085 |
| 498057 | Aug 4, 2000 | Aug 4, 2000 | United Texas Petroleum Inc. | Henderson, Joyce (FLP) #1 | 4,000 | 23933084 |
| 497962 | Aug 2, 2000 | Aug 2, 2000 | Sue-Ann Operating, L.C. | McInnis #2 | 7,100 | 23933083 |
| 497962Amendment | Aug 2, 2000 | Aug 2, 2000 | Sue-Ann Operating, L.C. | McInnis #2 | 7,100 | 23933083 |
| 497788 | Jul 28, 2000 | Jul 28, 2000 | TDC Engineering, Inc. | Ploeger #6 | 9,800 | 23933082 |
| 497674 | Jul 25, 2000 | Jul 25, 2000 | Eureka Exploration Co. (Eurexco) | L. Ranch Co. #1 | 8,500 | 23902304 |
| 497630 | Jul 25, 2000 | Jul 25, 2000 | Allegro Investments, Inc. | Weaver-Dugger Unit #1A | 9,500 | 23933081 |
| 497448 | Jul 21, 2000 | Jul 21, 2000 | Allegro Investments, Inc. | Redfish Lake #1 | 6,800 | 23933080 |
| 497322 | Jul 19, 2000 | Jul 19, 2000 | Cordele Development Corporation | Wearden, Robert J. #2 | 3,300 | 23933079 |
| 497322Amendment | Jul 19, 2000 | Jul 19, 2000 | Cordele Development Corporation | Wearden, Robert J. #2 | 3,300 | 23933079 |
| 497078 | Jul 11, 2000 | Jul 11, 2000 | Sue-Ann Operating, L.C. | Groberg, F. O/A #8 | 4,880 | 23930485 |
| 496686 | Jun 28, 2000 | Jun 28, 2000 | Express Oil Co. | Hlavinka Unit #4R | 6,200 | 23933078 |
| 496603 | Jun 27, 2000 | Jun 27, 2000 | Carrizo Oil & Gas, Inc. | Drushel, Carrizo #1 | 8,250 | 23933010 |
| 496417 | Jun 26, 2000 | Jun 26, 2000 | Allegro Investments, Inc. | Weaver-Dugger Unit #1 | 9,500 | 23933073 |
| 496472 | Jun 22, 2000 | Jun 22, 2000 | Swift Energy Company | Robinson, V. #1 | 13,700 | 23933077 |
| 496449 | Jun 22, 2000 | Jun 22, 2000 | Star of Texas Energy Srvs, Inc. | Callaway #2 #1 | 3,000 | 23933075 |
| 496447 | Jun 22, 2000 | Jun 22, 2000 | Star of Texas Energy Srvs, Inc. | Callaway #1 #1 | 3,000 | 23933074 |
| 496445 | Jun 22, 2000 | Jun 22, 2000 | Star of Texas Energy Srvs, Inc. | Wynn, Steve #1 | 4,000 | 23933076 |
| 495980 | Jun 8, 2000 | Jun 8, 2000 | Miner, R. C. Inc. | Jackson Estate #1 | 5,304 | 23932917 |
| 494452 | Jun 1, 2000 | Jun 1, 2000 | Haas, C. F. Oil & Gas Inc. | Daboval, C. J. #A 3 | 6,400 | 48131804 |
| 495593 | May 30, 2000 | May 30, 2000 | Hilcorp Energy Company | Novian, A. F. Gas Unit No. 1 #2 | 7,850 | 23933072 |
| 495550 | May 26, 2000 | May 26, 2000 | Magnum Producing & Operating Co. | Burditt, Allen L. #1 | 8,000 | 23933071 |
| 495489 | May 25, 2000 | May 25, 2000 | Synergy Oil & Gas, Inc. (A) | Mauritz, T. N. #9 | 6,416 | 23932293 |
| 495488 | May 25, 2000 | May 25, 2000 | Synergy Oil & Gas, Inc. (A) | Mauritz, T. N. #8 | 6,457 | 23932268 |
| 495446 | May 24, 2000 | May 24, 2000 | Rodessa Operating Company | Jansky #1 | 4,200 | 23933070 |
| 495426 | May 24, 2000 | May 24, 2000 | Allegro Investments, Inc. | Daniel Estate Unit HSL #2 | 3,890 | 23932883 |
| 495426Amendment | May 24, 2000 | May 24, 2000 | Allegro Investments, Inc. | Daniel Estate - HSL #2 | 3,890 | 23932883 |
| 495426Amendment | May 24, 2000 | May 24, 2000 | Allegro Investments, Inc. | Daniel Estate - HSL #2 | 3,890 | 23932883 |
| 495424 | May 24, 2000 | May 24, 2000 | Allegro Investments, Inc. | 4 Way Ranch #1 | 9,500 | 23933069 |
| 495422 | May 24, 2000 | May 24, 2000 | Great Texas Crude Inc. | Rogers #1R | 4,650 | 23933068 |
| 495131 | May 17, 2000 | May 17, 2000 | Allegro Investments, Inc. | Sappington Farms #1 | 6,900 | 23933067 |
| 494978 | May 15, 2000 | May 15, 2000 | Engelke, R. H. | Schuech Unit 8 #1 | 8,250 | 23931930 |
| 494648 | May 2, 2000 | May 2, 2000 | Whittington Operating Company | Kuretsch, Raymond #2A | 6,273 | 23933017 |
| 494236 | Apr 19, 2000 | Apr 19, 2000 | Allegro Investments, Inc. | Born Heirs #1 | 6,500 | 23933066 |
| 494198 | Apr 19, 2000 | Apr 19, 2000 | Sue-Ann Operating, L.C. | Simicek, B #6 | 6,650 | 23930324 |
| 494227 | Apr 18, 2000 | Apr 18, 2000 | Synergy Oil & Gas, Inc. (A) | Wiese,della #8 | 4,845 | 23930178 |
| 493990 | Apr 18, 2000 | Apr 18, 2000 | Engelke, R. H. | Turner "D" #9 | 8,300 | 23932237 |
| 494005 | Apr 12, 2000 | Apr 12, 2000 | Sue-Ann Operating, L.C. | Mauritz "A" #1 | 7,250 | 23933065 |
| 493802 | Apr 6, 2000 | Apr 6, 2000 | Allegro Investments, Inc. | Frenzel Heirs #1 | 6,500 | 23933064 |
| 493747 | Apr 4, 2000 | Apr 4, 2000 | Ganado Vacuum Truck Service, Inc | Pastor, Lionel et Al #1 | 5,000 | 23931408 |
| 493729 | Apr 4, 2000 | Apr 4, 2000 | Cox & Perkins Exploration, Inc. | Porche #3 | 10,800 | 23933063 |
| 493619 | Mar 30, 2000 | Mar 30, 2000 | Express Oil Co. | Hlavinka Unit #4 | 6,200 | 23933062 |
| 493440 | Mar 28, 2000 | Mar 28, 2000 | Oil Well Buyers Corp. | L Ranch Co. -B- #4 | 5,935 | 23902257 |
| 493472 | Mar 27, 2000 | Mar 27, 2000 | Allegro Investments, Inc. | Lay #1 | 6,400 | 23933061 |
| 493148 | Mar 22, 2000 | Mar 22, 2000 | KCS Medallion Resources, Inc. | Vincik, A.R. #1 | 7,070 | 23932930 |
| 493127 | Mar 16, 2000 | Mar 16, 2000 | Sue-Ann Operating, L.C. | Ross Gas Unit (AT4) #10 | 6,715 | 23900861 |
| 493120 | Mar 15, 2000 | Mar 15, 2000 | United Oil & Minerals, Inc. | Gerald #7 | 5,000 | 23933060 |
| 493120Amendment | Mar 15, 2000 | Mar 15, 2000 | United Oil & Minerals, Inc. | Gerald #7 | 5,000 | 23933060 |
| 493079 | Mar 14, 2000 | Mar 14, 2000 | Dreyfus, Louis Natural Gas Corp | Ploeger, Leslie #2 | 17,600 | 23933059 |
| 493079Amendment | Mar 14, 2000 | Mar 14, 2000 | Dreyfus, Louis Natural Gas Corp | Ploeger, Leslie #2 | 18,000 | 23933059 |
| 492901 | Mar 9, 2000 | Mar 9, 2000 | McLeod, George L. Inc. | Scheel, Annie #1 | 6,501 | 23901146 |
| 492893 | Mar 9, 2000 | Mar 9, 2000 | Titan Resources I, Inc. | Scherer, L. P. #1 | 10,000 | 23933058 |
| 492516 | Mar 8, 2000 | Mar 8, 2000 | Synergy Oil & Gas, Inc. (A) | Mauritz, T. N. #8 | 6,457 | 23932268 |
| 492597 | Mar 1, 2000 | Mar 1, 2000 | Whittington Operating Company | Kuretsch, Raymond #1A | 5,000 | 23932938 |
| 492165 | Feb 28, 2000 | Feb 28, 2000 | Engelke, R. H. | Schuech Unit #7 #1 | 8,270 | 23932142 |
| 492465 | Feb 25, 2000 | Feb 25, 2000 | Vintage Petroleum, Inc. | West Ranch "A" #427 | 5,850 | 23902774 |
| 492465Amendment | Feb 25, 2000 | Feb 25, 2000 | Vintage Petroleum, Inc. | West Ranch "A" #427 | 5,850 | 23902774 |
| 492003 | Feb 16, 2000 | Feb 16, 2000 | Bison Energy Partners, Inc. | Vincik, Adolph #1 | 6,980 | 23930214 |
| 491708 | Feb 3, 2000 | Feb 3, 2000 | Allegro Investments, Inc. | Yendrey Fee #2 | 12,300 | 23933003 |
| 491583 | Feb 1, 2000 | Feb 1, 2000 | Sue-Ann Operating, L.C. | Alamo Royalty #1 | 5,730 | 23933026 |
| 491524 | Jan 28, 2000 | Jan 28, 2000 | Allegro Investments, Inc. | Sample Heirs #1 | 6,000 | 23933057 |
| 491503 | Jan 27, 2000 | Jan 27, 2000 | Synergy Oil & Gas, Inc. (A) | Niebuhr, A. L. #11 | 6,420 | 23932497 |
| 491226 | Jan 20, 2000 | Jan 20, 2000 | Allegro Investments, Inc. | Jarratt #1 | 6,000 | 23933056 |
| 491226Amendment | Jan 20, 2000 | Jan 20, 2000 | Allegro Investments, Inc. | Jarratt #1 | 6,000 | 23933056 |
| 491149 | Jan 18, 2000 | Jan 18, 2000 | Cox & Perkins Exploration, Inc. | Hillman #2 | 10,500 | 23933055 |
| 491113 | Jan 18, 2000 | Jan 18, 2000 | Allegro Investments, Inc. | David #1 | 6,500 | 23933054 |
| 491016 | Jan 18, 2000 | Jan 18, 2000 | Sue-Ann Operating, L.C. | Ross, H. #9 | 6,812 | 23932556 |
| 491016Amendment | Jan 18, 2000 | Jan 18, 2000 | Sue-Ann Operating, L.C. | Ross, H. (GU) #9 | 6,812 | 23932556 |
| 490919 | Jan 12, 2000 | Jan 12, 2000 | Sue-Ann Operating, L.C. | M L & I Gas Unit #32 | 7,450 | 23932227 |
| 490919Amendment | Jan 12, 2000 | Jan 12, 2000 | Sue-Ann Operating, L.C. | M L & I Gas Unit #32 | 7,450 | 23932227 |
| 490803 | Jan 3, 2000 | Jan 3, 2000 | Allegro Investments, Inc. | Beamon Unit #1 | 7,000 | 23933053 |
| 490800 | Jan 3, 2000 | Jan 3, 2000 | Dreyfus, Louis Natural Gas Corp | Ploeger, Leslie #1 | 16,085 | 23933037 |
| 490508 | Dec 20, 1999 | Dec 20, 1999 | Synergy Oil & Gas, Inc. (A) | Mauritz, T. N. #9 | 6,416 | 23932293 |
| 490241 | Dec 17, 1999 | Dec 17, 1999 | Vintage Petroleum, Inc. | West Ranch "A" #19 | 5,110 | 23902374 |
| 490275 | Dec 13, 1999 | Dec 13, 1999 | Allegro Investments, Inc. | Pruitt #1 | 6,700 | 23933052 |
| 490274 | Dec 10, 1999 | Dec 10, 1999 | Manti Operating Company | Strauss, Mike #18 | 7,009 | 23932913 |
| 490274Amendment | Dec 10, 1999 | Dec 10, 1999 | Manti Operating Company | Strauss, Mike #18 | 7,009 | 23932913 |
| 489932 | Dec 3, 1999 | Dec 3, 1999 | Cordele Development Corporation | Wearden, Robert J. #1 | 2,838 | 23932932 |
| 489753 | Nov 24, 1999 | Nov 24, 1999 | Sue-Ann Operating, L.C. | Ross Gas Unit - (AT4) #10 | 6,715 | 23900861 |
| 489584 | Nov 22, 1999 | Nov 22, 1999 | Engelke, R. H. | Copsey #4 | 5,000 | 23930275 |
| 489375 | Nov 16, 1999 | Nov 16, 1999 | Engelke, R. H. | Turner "C" #6 | 7,100 | 23903086 |
| 489338 | Nov 9, 1999 | Nov 9, 1999 | Carrizo Oil & Gas, Inc. | Drushel, Carrizo #1 | 8,250 | 23933010 |
| 489201 | Nov 5, 1999 | Nov 5, 1999 | Sue-Ann Operating, L.C. | Mauritz Gas Unit #1 | 7,250 | 23933051 |
| 489200 | Nov 5, 1999 | Nov 5, 1999 | Prolithic Energy Company, L.P. | Mollnar East #2 | 4,000 | 23933050 |
| 489200Amendment | Nov 5, 1999 | Nov 5, 1999 | Prolithic Energy Company, L.P. | Mollnar East #2 | 4,200 | 23933050 |
| 489047 | Nov 2, 1999 | Nov 2, 1999 | Allegro Investments, Inc. | Meador Heirs Unit #1 | 6,800 | 23933049 |
| 489014 | Oct 29, 1999 | Oct 29, 1999 | Prolithic Energy Company, L.P. | Mollnar #1 | 4,200 | 23933048 |
| 488835 | Oct 26, 1999 | Oct 26, 1999 | Allegro Investments, Inc. | Traylor #1 | 12,500 | 23933046 |
| 488834 | Oct 26, 1999 | Oct 26, 1999 | Allegro Investments, Inc. | Johnson Foundation #1 | 6,000 | 23933047 |
| 488834Amendment | Oct 26, 1999 | Oct 26, 1999 | Allegro Investments, Inc. | Johnson Foundation #1 | 6,000 | 23933047 |