| 488476Amendment | Oct 13, 1999 | Oct 13, 1999 | Dreyfus, Louis Natural Gas Corp | Galveston-LB | State Tract 148L NE/4 #1 #1 | 14,400 | 70630223 |
| 488455 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Espy 41 #10 | 6,000 | 43535001 |
| 488454 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Espy 56 #12 | 6,000 | 43534999 |
| 488453 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Espy 56 #13 | 6,050 | 43534998 |
| 488452 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Espy 57 #10 | 6,050 | 43535000 |
| 488451 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 19 #4 | 8,700 | 43535009 |
| 488450 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Espy 57 #11 | 6,050 | 43534997 |
| 488449 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 17 #3 | 8,350 | 43535008 |
| 488448 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 9 #2 | 8,450 | 43535007 |
| 488447 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Askew & Glimp 55 #7 | 6,050 | 43535006 |
| 488446 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Askew & Glimp 55 #6 | 6,050 | 43535005 |
| 488445 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Espy 40 #9 | 6,000 | 43535004 |
| 488444 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 4 #7 | 8,450 | 43535003 |
| 488443 | Oct 12, 1999 | Oct 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Espy 41 #9 | 6,000 | 43535002 |
| 488220 | Oct 5, 1999 | Oct 5, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 4 #1R | 8,450 | 43532356 |
| 487934 | Sep 24, 1999 | Sep 24, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 139 #7 | 7,500 | 43534994 |
| 487933 | Sep 24, 1999 | Sep 24, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 34 #3R | 8,500 | 43534993 |
| 487846 | Sep 22, 1999 | Sep 22, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat "A" #3 | 12,818 | 28532742 |
| 487846Amendment | Sep 22, 1999 | Sep 22, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat "A" #3 | 12,818 | 28532742 |
| 487774 | Sep 20, 1999 | Sep 20, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Dugat "A" #2 | 14,965 | 28532700 |
| 487664 | Sep 16, 1999 | Sep 16, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 47 #6 | 8,450 | 43534992 |
| 487664Amendment | Sep 16, 1999 | Sep 16, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 47 #6 | 8,450 | 43534992 |
| 487663 | Sep 16, 1999 | Sep 16, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Bloodworth 139 #7 | 8,400 | 43534991 |
| 487579 | Sep 14, 1999 | Sep 14, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 1028 #1 | 7,450 | 43534985 |
| 487467 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #1311S | 5,500 | 43534982 |
| 487465 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 10 #3 | 7,700 | 43534984 |
| 487464 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 1 #3 | 8,500 | 43534983 |
| 487462 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #1073A | 5,500 | 43534987 |
| 487461 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #8312S | 5,500 | 43534990 |
| 487460 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #8303X | 5,400 | 43534989 |
| 487459 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 1 #4 | 8,500 | 43534988 |
| 487459Amendment | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 1 #4 | 8,500 | 43534988 |
| 487458 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Canyon Ranch #8302X | 5,400 | 43534986 |
| 487457 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Jackson | Ploeger, Leslie #1 | 16,500 | 23933037 |
| 487457Amendment | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Jackson | Ploeger, Leslie #1 | 16,085 | 23933037 |
| 487456 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Duenow, Mildred #1 | 15,000 | 28532739 |
| 487242 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #302 | 8,070 | 43534849 |
| 487239 | Sep 10, 1999 | Sep 10, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S., Jr. "C" #102 | 8,025 | 43534480 |
| 487241 | Sep 8, 1999 | Sep 8, 1999 | Dreyfus, Louis Natural Gas Corp | Schleicher | Mayer, Edwin S., Jr. "E" #17 | 8,250 | 41332026 |
| 487240 | Sep 8, 1999 | Sep 8, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 6 #5 | 8,401 | 43534898 |
| 487117 | Sep 3, 1999 | Sep 3, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S., Jr. "B" #2 | 7,950 | 43534468 |
| 487153 | Sep 1, 1999 | Sep 1, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 56 #5 | 6,050 | 43534980 |
| 487153Amendment | Sep 1, 1999 | Sep 1, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 56 #5 | 6,050 | 43534980 |
| 487152 | Sep 1, 1999 | Sep 1, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer "18" #4 | 8,450 | 43534979 |
| 487151 | Sep 1, 1999 | Sep 1, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 21 #11 | 6,050 | 43534978 |
| 487150 | Sep 1, 1999 | Sep 1, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S., Jr. "CC" #3 | 8,300 | 43534981 |
| 487022 | Aug 26, 1999 | Aug 26, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sibley Estate #8 | 13,000 | 28532735 |
| 486935 | Aug 26, 1999 | Aug 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Bee County School Land #5 | 8,275 | 43534976 |
| 486934 | Aug 26, 1999 | Aug 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S. Jr. #23 | 8,100 | 43534975 |
| 486930 | Aug 24, 1999 | Aug 24, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Richardson 138 #8 | 8,300 | 43534891 |
| 486772 | Aug 18, 1999 | Aug 18, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | McMillan, Leo H. 108 #14 | 5,500 | 43534923 |
| 486662 | Aug 18, 1999 | Aug 18, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 20 #11 | 6,150 | 43534972 |
| 486663 | Aug 16, 1999 | Aug 16, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 15 #7 | 8,250 | 43534971 |
| 486518 | Aug 16, 1999 | Aug 16, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Edwin S., Jr. "D" #808 | 8,175 | 43534970 |
| 486622 | Aug 12, 1999 | Aug 12, 1999 | Dreyfus, Louis Natural Gas Corp | Schleicher | Rousselot, Doris Mayer "A' #13 | 8,100 | 41332069 |
| 486621 | Aug 12, 1999 | Aug 12, 1999 | Dreyfus, Louis Natural Gas Corp | Matgrda IS-LB | State Tract 485-L S/2 NE/4 #1 | 8,500 | 70330383 |
| 486621Amendment | Aug 12, 1999 | Aug 12, 1999 | Dreyfus, Louis Natural Gas Corp | Matgrda IS-LB | State Tract 485-L S/2 NE/4 #1ST | 8,500 | 70330383 |
| 486398 | Aug 11, 1999 | Aug 11, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S., Jr. Q #4 | 8,150 | 43534966 |
| 486525 | Aug 9, 1999 | Aug 9, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 103 #7 | 5,550 | 43534968 |
| 486524 | Aug 9, 1999 | Aug 9, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 103 #5 | 5,600 | 43534969 |
| 486447 | Aug 5, 1999 | Aug 5, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Fields 17 #15 | 6,050 | 43534967 |
| 486232 | Aug 2, 1999 | Aug 2, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Ward, John "A" #4 | 7,700 | 43534290 |
| 486098 | Aug 2, 1999 | Aug 2, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Minnie H. "C" #3 | 8,200 | 43534505 |
| 486278 | Jul 30, 1999 | Jul 30, 1999 | Dreyfus, Louis Natural Gas Corp | Matgrda IS-LB | State Tract 560 L NW/4 #1 | 7,800 | 70330381 |
| 486279 | Jul 29, 1999 | Jul 29, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Klimitchek #6 | 5,908 | 28532498 |
| 486101 | Jul 28, 1999 | Jul 28, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S. Jr. "J" #3 | 8,058 | 43534455 |
| 486100 | Jul 28, 1999 | Jul 28, 1999 | Dreyfus, Louis Natural Gas Corp | Schleicher | Hill-Mayer, Edwin S. Jr. "MM" #3 | 8,270 | 41331994 |
| 486103 | Jul 26, 1999 | Jul 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #1865 | 8,075 | 43534965 |
| 486102 | Jul 26, 1999 | Jul 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S., Jr. "Z" #2 | 8,155 | 43534569 |
| 486099 | Jul 26, 1999 | Jul 26, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer -36- #5 | 8,325 | 43534575 |
| 486131 | Jul 23, 1999 | Jul 23, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #305 | 8,150 | 43534964 |
| 485895 | Jul 21, 1999 | Jul 21, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | David 109 #12 | 5,550 | 43534963 |
| 485933 | Jul 16, 1999 | Jul 16, 1999 | Dreyfus, Louis Natural Gas Corp | San Patricio | McKamey #1 | 10,200 | 40930323 |
| 485932 | Jul 16, 1999 | Jul 16, 1999 | Dreyfus, Louis Natural Gas Corp | King | PL & CC #P 1 | 3,950 | 26932341 |
| 485766 | Jul 15, 1999 | Jul 15, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Vanderstucken 81 #4 | 5,450 | 43534962 |
| 485688 | Jul 12, 1999 | Jul 12, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Hill-Mayer, Edwin S., Jr. "E" #4 | 8,075 | 43534919 |
| 485737 | Jul 8, 1999 | Jul 8, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #10 | 17,000 | 28532723 |
| 485737Amendment | Jul 8, 1999 | Jul 8, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #10 | 17,000 | 28532723 |
| 485736 | Jul 8, 1999 | Jul 8, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Bloodworth 139 #8 | 8,400 | 43534961 |
| 485700 | Jul 7, 1999 | Jul 7, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Sartwelle "A" #1 | 3,800 | 28532457 |
| 485698 | Jul 7, 1999 | Jul 7, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Barnes, Leon #4 | 13,000 | 28532724 |
| 485698Amendment | Jul 7, 1999 | Jul 7, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Barnes, Leon #4 | 13,000 | 28532724 |
| 485637 | Jul 2, 1999 | Jul 2, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Jacobs Ranch #7 | 14,000 | 28532671 |
| 485417 | Jun 23, 1999 | Jun 23, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Pfluger 84 #15 | 5,600 | 43534958 |
| 485416 | Jun 23, 1999 | Jun 23, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer 47 #4 | 8,400 | 43534957 |
| 485415 | Jun 23, 1999 | Jun 23, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayer, Minnie H. -D- #302 | 8,300 | 43534956 |
| 485414 | Jun 23, 1999 | Jun 23, 1999 | Dreyfus, Louis Natural Gas Corp | Roberts | Courson Lips 156 #2 | 8,900 | 39331445 |
| 485414Amendment | Jun 23, 1999 | Jun 23, 1999 | Dreyfus, Louis Natural Gas Corp | Roberts | Courson Lips 156 #2 | 9,300 | 39331445 |
| 485219 | Jun 16, 1999 | Jun 16, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Miers, Allison #7304 | 6,217 | 43533112 |
| 485214 | Jun 14, 1999 | Jun 14, 1999 | Dreyfus, Louis Natural Gas Corp | Goliad | Parks #1 | 3,910 | 17532447 |
| 485042 | Jun 11, 1999 | Jun 11, 1999 | Dreyfus, Louis Natural Gas Corp | Schleicher | Spencer 174 #2 | 7,841 | 41332004 |
| 485002 | Jun 9, 1999 | Jun 9, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 111 #13 | 6,650 | 43534955 |
| 485001 | Jun 9, 1999 | Jun 9, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Reinhardt 6 #8 | 8,450 | 43534954 |
| 485038 | Jun 7, 1999 | Jun 7, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Barnes, Leon #3 | 13,000 | 28532715 |
| 485038Amendment | Jun 7, 1999 | Jun 7, 1999 | Dreyfus, Louis Natural Gas Corp | Lavaca | Barnes, Leon #3 | 13,000 | 28532715 |
| 484958 | Jun 3, 1999 | Jun 3, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Mayfield 45 #7 | 8,425 | 43534953 |
| 484957 | Jun 3, 1999 | Jun 3, 1999 | Dreyfus, Louis Natural Gas Corp | Smith | Johnson, T. #1 | 8,700 | 42330968 |
| 484956 | Jun 3, 1999 | Jun 3, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Shurley 98 #15 | 6,450 | 43534952 |
| 484911 | Jun 1, 1999 | Jun 1, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #304 | 8,075 | 43534951 |
| 484847 | May 27, 1999 | May 27, 1999 | Dreyfus, Louis Natural Gas Corp | Sutton | Jones Ranch #303 | 8,075 | 43534945 |