| 488803 | Oct 25, 1999 | Oct 25, 1999 | Synergy Oil & Gas, Inc. (A) | Cravens, E. T. #8 | 6,400 | 23932051 |
| 488803Amendment | Oct 25, 1999 | Oct 25, 1999 | Synergy Oil & Gas, Inc. (A) | Cravens, E. T. #8 | 6,400 | 23932051 |
| 488791 | Oct 25, 1999 | Oct 25, 1999 | Texas Independent Explor., Inc. | Weed, J. F. #7 | 10,000 | 23903328 |
| 488645 | Oct 20, 1999 | Oct 20, 1999 | Sue-Ann Operating, L.C. | Hildebrandt et al Unit #1 | 3,850 | 23933045 |
| 488501 | Oct 19, 1999 | Oct 19, 1999 | Express Oil Co. | Hlavinka, Ruby M. #2 | 6,036 | 23932524 |
| 488493 | Oct 19, 1999 | Oct 19, 1999 | American Coastal Energy, Inc. | Stone #1 | 7,600 | 23933044 |
| 488147 | Oct 15, 1999 | Oct 15, 1999 | Engelke, R. H. | Schuech Unit #6 #1 | 7,200 | 23930155 |
| 488516 | Oct 14, 1999 | Oct 14, 1999 | Prolithic Energy Company, L.P. | Cook, M. #1 | 4,000 | 23933043 |
| 488516Amendment | Oct 14, 1999 | Oct 14, 1999 | Prolithic Energy Company, L.P. | Cook, M. #1 | 4,110 | 23933043 |
| 488459 | Oct 14, 1999 | Oct 14, 1999 | Sue-Ann Operating, L.C. | Alamo Royalty #1 | 7,110 | 23933026 |
| 488177 | Oct 4, 1999 | Oct 4, 1999 | Core E & P Corp. | Dincans, A. T. Jr. #2 | 9,200 | 23933042 |
| 488014 | Sep 29, 1999 | Sep 29, 1999 | Manti Operating Company | Maurbro Field/Marg./Unit #1 #1421 | 5,500 | 23933041 |
| 487679 | Sep 29, 1999 | Sep 29, 1999 | Johnson & Ernst Operating Co. | Strane Unit #2 | 2,800 | 23933038 |
| 487878 | Sep 23, 1999 | Sep 23, 1999 | TDC Engineering, Inc. | Ploeger Unit #4 | 3,000 | 23933040 |
| 487878Amendment | Sep 23, 1999 | Sep 23, 1999 | TDC Engineering, Inc. | Ploeger Unit #4 | 4,500 | 23933040 |
| 487814 | Sep 22, 1999 | Sep 22, 1999 | Synergy Oil & Gas, Inc. (A) | Cravens, J. R. #6 | 6,112 | 23932357 |
| 487794 | Sep 21, 1999 | Sep 21, 1999 | Texas Independent Explor., Inc. | Weed, J. F. #6 | 9,100 | 23901480 |
| 487776 | Sep 21, 1999 | Sep 21, 1999 | Allegro Investments, Inc. | Raybon-Pressly Unit #1 | 5,500 | 23933039 |
| 487457 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Ploeger, Leslie #1 | 16,500 | 23933037 |
| 487457Amendment | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Ploeger, Leslie #1 | 16,085 | 23933037 |
| 487261 | Sep 8, 1999 | Sep 8, 1999 | Ken Petroleum Corporation | Ella Unit #1 | 7,300 | 23933036 |
| 487093 | Sep 8, 1999 | Sep 8, 1999 | KCS Medallion Resources, Inc. | Vincik, A. R. #1 | 7,070 | 23932930 |
| 487144 | Aug 31, 1999 | Aug 31, 1999 | Synergy Oil & Gas, Inc. (A) | Spacke, Frank #6 | 6,051 | 23900549 |
| 486932 | Aug 25, 1999 | Aug 25, 1999 | Allegro Investments, Inc. | Mark Unit #1 | 5,600 | 23933035 |
| 486932Amendment | Aug 25, 1999 | Aug 25, 1999 | Allegro Investments, Inc. | Mark Unit #1 | 5,600 | 23933035 |
| 486879 | Aug 23, 1999 | Aug 23, 1999 | Prolithic Energy Company, L.P. | Moore, Flora #1 | 11,400 | 23933034 |
| 486879Amendment | Aug 23, 1999 | Aug 23, 1999 | Prolithic Energy Company, L.P. | Moore, Flora #1ST | 9,600 | 23933034 |
| 486818 | Aug 20, 1999 | Aug 20, 1999 | Allegro Investments, Inc. | Foust #1 | 7,600 | 23933033 |
| 486762 | Aug 19, 1999 | Aug 19, 1999 | Manti Operating Company | Maurbro Field/Marg./Unit #1 #1423 | 5,500 | 23933032 |
| 486761 | Aug 19, 1999 | Aug 19, 1999 | Manti Operating Company | Maurbro Field/Marg./Unit #1 #1422 | 5,500 | 23933031 |
| 486725 | Aug 17, 1999 | Aug 17, 1999 | Allegro Investments, Inc. | Layden-Yendrey Gas Unit #1 | 12,426 | 23932998 |
| 486482 | Aug 6, 1999 | Aug 6, 1999 | Brayton Operating Corp. | Drushel #1 | 12,500 | 23933030 |
| 485323 | Jul 13, 1999 | Jul 13, 1999 | Whittington Operating Company | Kuretsch, Raymond #1A | 5,709 | 23932938 |
| 485674 | Jul 8, 1999 | Jul 8, 1999 | Christeve Oil Company, Inc. | Janice #1 | 4,000 | 23933029 |
| 485372 | Jun 23, 1999 | Jun 23, 1999 | Great Texas Crude Inc. | Graham #2 | 3,000 | 23933028 |
| 485371 | Jun 23, 1999 | Jun 23, 1999 | Great Texas Crude Inc. | Graham #1 | 3,000 | 23933027 |
| 485371Amendment | Jun 23, 1999 | Jun 23, 1999 | Great Texas Crude Inc. | Graham #1 | 3,000 | 23933027 |
| 485296 | Jun 22, 1999 | Jun 22, 1999 | Goldston Oil Corp. | McDowell, Bertha Dell #1 | 6,300 | 23930815 |
| 484541 | May 18, 1999 | May 18, 1999 | Sue-Ann Production Company | Alamo Royatly #1 | 7,100 | 23933026 |
| 484541Amendment | May 18, 1999 | May 18, 1999 | Sue-Ann Production Company | Alamo Royatly #1 | 7,100 | 23933026 |
| 483758 | Apr 9, 1999 | Apr 9, 1999 | Express Oil Co. | Skalicky #1 | 6,500 | 23932544 |
| 483529 | Mar 30, 1999 | Mar 30, 1999 | Manti Operating Company | Strauss, Mike #18 | 7,009 | 23932913 |
| 483497 | Mar 25, 1999 | Mar 25, 1999 | Legacy Oil & Gas, Inc. | Robbins, A. H. #1 | 7,500 | 23932255 |
| 483426 | Mar 22, 1999 | Mar 22, 1999 | Express Oil Co. | Smith, Alice B. #3 | 6,200 | 23933025 |
| 483296 | Mar 15, 1999 | Mar 15, 1999 | Tri-C Resources, Inc. | Rose #3 | 13,000 | 23933024 |
| 483085 | Mar 4, 1999 | Mar 4, 1999 | Sue-Ann Production Company | Schluter #1 | 4,400 | 23933023 |
| 482268 | Feb 26, 1999 | Feb 26, 1999 | Vista Resources, Inc. (A) | Peters #3 | 6,032 | 23900719 |
| 482933 | Feb 24, 1999 | Feb 24, 1999 | Goldston Oil Corp. | McDowell, Bertha Dell #1 | 6,300 | 23930815 |
| 482134 | Feb 3, 1999 | Feb 3, 1999 | Continental Operating Co. | Yaussi #B 18 | 3,202 | 23930169 |
| 482337 | Feb 2, 1999 | Feb 2, 1999 | Engelke, R. H. | Turner GU 2 #1 | 7,168 | 23903077 |
| 482372 | Feb 1, 1999 | Feb 1, 1999 | Sue-Ann Production Company | Kubecka #1 | 5,000 | 23933022 |
| 482115 | Jan 22, 1999 | Jan 22, 1999 | Johnson & Ernst Operating Co. | Strane-English #1 | 5,290 | 23932971 |
| 482106 | Jan 22, 1999 | Jan 22, 1999 | Bristol Resources Corporation | Light #1 | 3,660 | 23932745 |
| 482046 | Jan 15, 1999 | Jan 15, 1999 | Allegro Investments, Inc. | Pressly #1 | 8,400 | 23933021 |
| 481971 | Jan 15, 1999 | Jan 15, 1999 | Continental Operating Co. | Yaussi #B 7 | 3,198 | 23900287 |
| 481960 | Jan 11, 1999 | Jan 11, 1999 | Allegro Investments, Inc. | Wilbeck #1 | 6,000 | 23933020 |
| 480331 | Dec 11, 1998 | Dec 11, 1998 | Bristol Resources Corporation | Fenner "B" #1 | 3,729 | 23932680 |
| 481091 | Nov 25, 1998 | Nov 25, 1998 | Manti Operating Company | Strauss, Mike #20F | 5,745 | 23932982 |
| 480259 | Nov 17, 1998 | Nov 17, 1998 | Whittington Operating Company | Kuretsch, Raymond #2A | 6,300 | 23933017 |
| 480448 | Oct 29, 1998 | Oct 29, 1998 | Premier Minerals, Inc | Three Amigos #1 | 7,000 | 23933018 |
| 480322 | Oct 20, 1998 | Oct 20, 1998 | Carrizo Oil & Gas, Inc. | Drushel, Carrizo #1 | 8,250 | 23933010 |
| 480049 | Oct 13, 1998 | Oct 13, 1998 | Ffa Petroleum Services | Menefee #6 | 7,200 | 23931825 |
| 480024 | Oct 8, 1998 | Oct 8, 1998 | Patterson Petroleum, Inc. | Hollingsworth #F 2 | 4,800 | 23933016 |
| 479813 | Oct 6, 1998 | Oct 6, 1998 | United Oil & Minerals, Inc. | Shoop #3 | 5,000 | 23933015 |
| 479793 | Oct 5, 1998 | Oct 5, 1998 | Manti Operating Company | Strauss, Mike #18 | 7,009 | 23932913 |
| 479678 | Sep 24, 1998 | Sep 24, 1998 | Hilcorp Energy Company | Miller, K. R. et. Al. #4 | 8,000 | 23933014 |
| 479372 | Sep 10, 1998 | Sep 10, 1998 | Brayton Operating Corp. | Hardin, Jack #1 | 6,750 | 23933013 |
| 478696 | Aug 12, 1998 | Aug 12, 1998 | Transtexas Gas Corporation | Ploeger, Dorothy #1 | 15,500 | 23932921 |
| 478325 | Jul 28, 1998 | Jul 28, 1998 | Gulfstar Properties, Inc. | Whitley Unit #2 | 4,150 | 23933012 |
| 478325Amendment | Jul 28, 1998 | Jul 28, 1998 | Gulfstar Properties, Inc. | Whitley Unit #2 | 4,150 | 23933012 |
| 478216 | Jul 24, 1998 | Jul 24, 1998 | Allegro Investments, Inc. | Robinson Ranch - Rob #21 | 4,610 | 23932878 |
| 478215 | Jul 24, 1998 | Jul 24, 1998 | Allegro Investments, Inc. | Robinson Ranch - Rob #23 | 4,260 | 23932881 |
| 478214 | Jul 24, 1998 | Jul 24, 1998 | Allegro Investments, Inc. | Borchers Ranch - Bor #1 | 4,310 | 23932933 |
| 477310 | Jun 19, 1998 | Jun 19, 1998 | Vintage Petroleum, Inc. | West Ranch A #349 | 7,529 | 23902696 |
| 477212 | Jun 16, 1998 | Jun 16, 1998 | Brayton Operating Corp. | Babb G/U #3 | 10,000 | 23933011 |
| 477189 | Jun 15, 1998 | Jun 15, 1998 | Carrizo Oil & Gas, Inc. | Carrizo Drushel #1 | 8,500 | 23933010 |
| 477189Amendment | Jun 15, 1998 | Jun 15, 1998 | Carrizo Oil & Gas, Inc. | Carrizo Drushel #1 | 8,500 | 23933010 |
| 477051 | Jun 15, 1998 | Jun 15, 1998 | Vintage Petroleum, Inc. | West Ranch A #349 | 7,529 | 23902696 |
| 476943 | Jun 8, 1998 | Jun 8, 1998 | Vintage Petroleum, Inc. | West Ranch A #546HH | 5,060 | 23933004 |
| 476942 | Jun 8, 1998 | Jun 8, 1998 | Vintage Petroleum, Inc. | West Ranch A #545HH | 5,066 | 23933005 |
| 476941 | Jun 8, 1998 | Jun 8, 1998 | Vintage Petroleum, Inc. | West Ranch A #544HH | 5,057 | 23933006 |
| 476939 | Jun 8, 1998 | Jun 8, 1998 | Vintage Petroleum, Inc. | West Ranch A #543HH | 5,056 | 23933007 |
| 476937 | Jun 8, 1998 | Jun 8, 1998 | Vintage Petroleum, Inc. | West Ranch A #542HH | 5,059 | 23933008 |
| 476936 | Jun 8, 1998 | Jun 8, 1998 | Vintage Petroleum, Inc. | West Ranch A #541HH | 5,064 | 23933009 |
| 476682 | May 28, 1998 | May 28, 1998 | Vintage Petroleum, Inc. | Toney, Mrs. M. H. #1 | 5,785 | 23902811 |
| 476539 | May 22, 1998 | May 22, 1998 | Vintage Petroleum, Inc. | West Ranch A #540 HH | 5,097 | 23933148 |
| 476486 | May 21, 1998 | May 21, 1998 | Allegro Investments, Inc. | Yendrey Fee #2 | 12,800 | 23933003 |
| 476294 | May 14, 1998 | May 14, 1998 | Union Oil Company of California | Niebuhr, A. L. #11 | 6,420 | 23932497 |
| 476179 | May 13, 1998 | May 13, 1998 | Brayton Operating Corp. | Babb #2 | 11,000 | 23932985 |
| 476128 | May 8, 1998 | May 8, 1998 | Brayton Operating Corp. | Babb #1 | 10,600 | 23933000 |
| 475638 | May 4, 1998 | May 4, 1998 | Manti Operating Company | Strauss, Mike #10 | 5,191 | 23901196 |
| 475665 | Apr 24, 1998 | Apr 24, 1998 | Trump Energy | Wearden Ranch #1 | 5,000 | 23932999 |
| 475594 | Apr 23, 1998 | Apr 23, 1998 | Vintage Petroleum, Inc. | Toney, M. H. Mrs. #73 | 7,330 | 23902881 |
| 475593 | Apr 23, 1998 | Apr 23, 1998 | Vintage Petroleum, Inc. | West Ranch A #379 | 6,302 | 23902726 |
| 475499 | Apr 21, 1998 | Apr 21, 1998 | Allegro Investments, Inc. | Layden-Yendrey Gas Unit #1 | 12,800 | 23932998 |
| 475249 | Apr 21, 1998 | Apr 21, 1998 | Engelke, R. H. | Turner, E. A. "D" #3 | 7,000 | 23903074 |
| 475403 | Apr 17, 1998 | Apr 17, 1998 | Coastal Oil & Gas Corporation | Robinson, J. H. #1 | 15,000 | 23932997 |
| 475360 | Apr 17, 1998 | Apr 17, 1998 | Manti Operating Company | Gayle, Alberta #12 | 7,000 | 23932996 |
| 475347 | Apr 15, 1998 | Apr 15, 1998 | Carrizo Oil & Gas, Inc. | McCurry, B. Fenner Trust #1 | 7,700 | 23932995 |
| 475058 | Apr 14, 1998 | Apr 14, 1998 | Johnson & Ernst Operating Co. | McNeil Unit #1 | 5,500 | 23932994 |