| 352842 | Dec 14, 1988 | Dec 14, 1988 | Chevron U. S. A. Inc. | Goldsmith, C. A., Etal #1101 | 19,840 | 13520092 |
| 354108 | Dec 9, 1988 | Dec 9, 1988 | OXY USA Inc. | Henderson A #1 | 13,300 | 13536011 |
| 354051 | Dec 7, 1988 | Dec 7, 1988 | Sage Energy Company | Cowden "12" #3G | 7,100 | 13536010 |
| 353742 | Dec 7, 1988 | Dec 7, 1988 | El Paso Natural Gas Co. | Rectifier #0698CP | 500 | 13536008 |
| 353830 | Dec 5, 1988 | Dec 5, 1988 | Carlow Corp. | Toad #1 | 5,500 | 13535950 |
| 353809 | Dec 2, 1988 | Dec 2, 1988 | Minihan, Tom R. | Kayser, Eva #1 | 4,600 | 13536009 |
| 353787 | Nov 30, 1988 | Nov 30, 1988 | Colter Operating, Inc. | Lynch #2 | 9,000 | 13533845 |
| 353528 | Nov 22, 1988 | Nov 22, 1988 | MWJ Producing Company | Foster "C" #3 | 9,650 | 13536007 |
| 353427 | Nov 18, 1988 | Nov 18, 1988 | Shell Pipe Line Corporation | Splc-27 #27 | 400 | 13536006 |
| 353417 | Nov 17, 1988 | Nov 17, 1988 | Carlow Corp. | Toad #2 | 5,350 | 13536005 |
| 353359 | Nov 17, 1988 | Nov 17, 1988 | Sun Exploration & Production Co. | Wheeler, A. E. #3 | 10,550 | 13508295 |
| 353223 | Nov 15, 1988 | Nov 15, 1988 | Phillips Petroleum Company | Abell #3 | 8,578 | 13502428 |
| 353233 | Nov 14, 1988 | Nov 14, 1988 | Amoco Production Company | Blakeney, B. H. "B" #5 | 5,700 | 13536004 |
| 353218 | Nov 14, 1988 | Nov 14, 1988 | Sage Energy Company | Cowden "C" #8 | 6,000 | 13521458 |
| 352269 | Nov 8, 1988 | Nov 8, 1988 | Exxon Corp. | Barrow, Augusta #30 | 4,900 | 13535996 |
| 352268 | Nov 8, 1988 | Nov 8, 1988 | Exxon Corp. | Barrow, Augusta #29 | 4,900 | 13535995 |
| 352267 | Nov 8, 1988 | Nov 8, 1988 | Exxon Corp. | Barrow, Augusta #28 | 4,900 | 13535994 |
| 352905 | Nov 1, 1988 | Nov 1, 1988 | Sage Energy Company | Cowden "13" #1 | 9,500 | 13535853 |
| 352840 | Nov 1, 1988 | Nov 1, 1988 | OXY USA Inc. | Thomas E #3 | 8,072 | 13506978 |
| 352776 | Oct 31, 1988 | Oct 31, 1988 | Phoenix Hydrocarbons, Inc. | Williamson, J. M. B #3 | 5,850 | 13536002 |
| 352775 | Oct 31, 1988 | Oct 31, 1988 | Phoenix Hydrocarbons, Inc. | Amoco-Cowden 9 #3 | 5,850 | 13536003 |
| 352726 | Oct 31, 1988 | Oct 31, 1988 | Sage Energy Company | Cowden "14" #1G | 6,000 | 13536001 |
| 352724 | Oct 28, 1988 | Oct 28, 1988 | Sage Energy Company | Cowden "11" #1G | 6,000 | 13536000 |
| 351816 | Oct 26, 1988 | Oct 26, 1988 | Arco Oil & Gas Co. | Corrigan Cowden Unit #208 | 4,700 | 13535988 |
| 352619 | Oct 25, 1988 | Oct 25, 1988 | Atkins Petroleum Corp. | Cowden "H" #3 | 4,350 | 13535999 |
| 352366 | Oct 24, 1988 | Oct 24, 1988 | Penwell Energy, Inc. | Shoe Bar Ranch "C" #1 | 11,500 | 13535998 |
| 352219 | Oct 24, 1988 | Oct 24, 1988 | Amoco Production Company | Witcher, J. E. #92 | 4,800 | 13535990 |
| 352368 | Oct 18, 1988 | Oct 18, 1988 | Chevron U. S. A. Inc. | Goldsmith, C. A. et Al #1219 | 6,500 | 13530174 |
| 352367 | Oct 18, 1988 | Oct 18, 1988 | Chevron U. S. A. Inc. | Goldsmith, C. A. et Al #1293 | 6,650 | 13530361 |
| 352281 | Oct 17, 1988 | Oct 17, 1988 | Colter Operating, Inc. | Cowden "B" #1 | 9,000 | 13535997 |
| 351271 | Oct 17, 1988 | Oct 17, 1988 | Conoco Inc. | Ector "AK" Fee #4 | 4,900 | 13535981 |
| 352224 | Oct 14, 1988 | Oct 14, 1988 | Eastland Oil Company, The | Moss, Paul "C" #32 | 4,200 | 13535991 |
| 352223 | Oct 14, 1988 | Oct 14, 1988 | Eastland Oil Company, The | Moss, Paul "C" #30 | 4,200 | 13535992 |
| 352222 | Oct 14, 1988 | Oct 14, 1988 | Eastland Oil Company, The | Moss, Paul "C" #31 | 4,200 | 13535993 |
| 352091 | Oct 12, 1988 | Oct 12, 1988 | Sage Energy Company | Cowden "12" #2G | 6,000 | 13535989 |
| 352091Amendment | Oct 12, 1988 | Oct 12, 1988 | Sage Energy Company | Cowden "12" #2G | 6,000 | 13535989 |
| 351607 | Sep 28, 1988 | Sep 28, 1988 | Texaco Producing Inc. | McDonald, Ida #27 | 6,650 | 13502328 |
| 351539 | Sep 26, 1988 | Sep 26, 1988 | Phillips Petroleum Company | Goldsmith Andector Unit #L155 | 6,400 | 13535986 |
| 351538 | Sep 26, 1988 | Sep 26, 1988 | Phillips Petroleum Company | Goldsmith Andector Unit #F155 | 6,400 | 13535985 |
| 351537 | Sep 26, 1988 | Sep 26, 1988 | Phillips Petroleum Company | Goldsmith Andector Unit #H155 | 6,400 | 13535984 |
| 351535 | Sep 26, 1988 | Sep 26, 1988 | Phillips Petroleum Company | Goldsmith Andector Unit #J 13 | 6,400 | 13535983 |
| 351518 | Sep 26, 1988 | Sep 26, 1988 | Rust Oil Corp. | Cowden Ranch "6" #5 | 9,000 | 13535987 |
| 351492 | Sep 26, 1988 | Sep 26, 1988 | Crump Petroleum Corporation | Maurice, Ressie #1 | 4,800 | 13535982 |
| 351325 | Sep 19, 1988 | Sep 19, 1988 | Phillips Petroleum Company | Cowden, Clyde #170 | 6,500 | 13535979 |
| 351325Amendment | Sep 19, 1988 | Sep 19, 1988 | Phillips Petroleum Company | Cowden, Clyde #170 | 6,800 | 13535979 |
| 351318 | Sep 19, 1988 | Sep 19, 1988 | Phillips Petroleum Company | Cowden, Clyde #168 | 6,500 | 13535980 |
| 351318Amendment | Sep 19, 1988 | Sep 19, 1988 | Phillips Petroleum Company | Cowden, Clyde #168 | 6,800 | 13535980 |
| 351285 | Sep 19, 1988 | Sep 19, 1988 | Amoco Production Company | Longbotham, Cora "A" #1 | 9,700 | 13535977 |
| 351324 | Sep 16, 1988 | Sep 16, 1988 | Phillips Petroleum Company | Cowden, Clyde #169 | 6,500 | 13535978 |
| 351324Amendment | Sep 16, 1988 | Sep 16, 1988 | Phillips Petroleum Company | Cowden, Clyde #169 | 6,800 | 13535978 |
| 351268 | Sep 16, 1988 | Sep 16, 1988 | Conoco Inc. | Ector "AS" Fee #10 | 9,150 | 13535976 |
| 351201 | Sep 16, 1988 | Sep 16, 1988 | OXY USA Inc. | Cowden AA #1 | 13,300 | 13535975 |
| 351201Amendment | Sep 16, 1988 | Sep 16, 1988 | OXY USA Inc. | Cowden AA #1 | 13,300 | 13535975 |
| 351230 | Sep 15, 1988 | Sep 15, 1988 | Shell Western E&P Inc. | Thomas "A" #2D | 9,778 | 13507004 |
| 351160 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #1505 | 4,400 | 13535963 |
| 351159 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #1506 | 4,400 | 13535964 |
| 351158 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #1604 | 4,400 | 13535965 |
| 351157 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #1707 | 4,400 | 13535966 |
| 351156 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #1708 | 4,400 | 13535960 |
| 351155 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #1907 | 4,400 | 13535967 |
| 351154 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2112 | 4,400 | 13535968 |
| 351153 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2113 | 4,400 | 13535969 |
| 351152 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2114 | 4,400 | 13535970 |
| 351150 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2115 | 4,400 | 13535971 |
| 351149 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2116 | 4,400 | 13535972 |
| 351147 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2303 | 4,400 | 13535973 |
| 351146 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2304 | 4,400 | 13535974 |
| 351145 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2407 | 4,400 | 13535961 |
| 351143 | Sep 14, 1988 | Sep 14, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2408 | 4,400 | 13535962 |
| 351141 | Sep 14, 1988 | Sep 14, 1988 | Chevron U. S. A. Inc. | Goldsmith, C. A., Etal #1117 | 6,650 | 13530009 |
| 351010 | Sep 9, 1988 | Sep 9, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2205 | 4,400 | 13535959 |
| 351007 | Sep 9, 1988 | Sep 9, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2204 | 4,400 | 13535958 |
| 351006 | Sep 9, 1988 | Sep 9, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #2111 | 4,400 | 13535957 |
| 351005 | Sep 9, 1988 | Sep 9, 1988 | OXY USA Inc. | Johnson Grayburg-San Andres Unit #1908 | 4,400 | 13535956 |
| 350151 | Sep 8, 1988 | Sep 8, 1988 | Phillips Petroleum Company | South Fault Block Unit #462 | 8,600 | 13535951 |
| 350716 | Sep 1, 1988 | Sep 1, 1988 | Amoco Production Company | Cowden, Elliott F. "D" #8 | 13,600 | 13535955 |
| 350121 | Aug 25, 1988 | Aug 25, 1988 | Conoco Inc. | East Cowden Grayburg Unit #83 | 4,750 | 13535954 |
| 350307 | Aug 22, 1988 | Aug 22, 1988 | Conoco Inc. | Kloh B-5 #7 | 9,250 | 13520001 |
| 350347 | Aug 19, 1988 | Aug 19, 1988 | Arco Oil & Gas Co. | Headlee, E. V. TG #2 | 13,526 | 13506590 |
| 350299 | Aug 19, 1988 | Aug 19, 1988 | Sage Energy Company | Cowden "13" #2 | 9,500 | 13535953 |
| 350299Amendment | Aug 19, 1988 | Aug 19, 1988 | Sage Energy Company | Cowden "13" #2 | 8,970 | 13535953 |
| 350228 | Aug 18, 1988 | Aug 18, 1988 | Chevron U. S. A. Inc. | Holt, O. B. Jr. et Al #6 | 5,334 | 13501749 |
| 349425 | Aug 17, 1988 | Aug 17, 1988 | Fina Oil & Chemical Company | Emmons Unit #209 | 4,800 | 13536088 |
| 350194 | Aug 15, 1988 | Aug 15, 1988 | Conoco Inc. | East Cowden Grayburg Unit #82 | 4,750 | 13535648 |
| 350120 | Aug 12, 1988 | Aug 12, 1988 | Carlow Corp. | Toad #1 | 5,500 | 13535950 |
| 350028 | Aug 11, 1988 | Aug 11, 1988 | Anschutz Corporation, The | Sprague #1 | 9,200 | 13535949 |
| 349850 | Aug 10, 1988 | Aug 10, 1988 | Chevron U. S. A. Inc. | Goldsmith, C. A. et Al #1220 | 6,550 | 13530173 |
| 349849 | Aug 9, 1988 | Aug 9, 1988 | Paloma Exploration Co. | Cowden, Frank #1 | 9,400 | 13533861 |
| 348723 | Aug 9, 1988 | Aug 9, 1988 | Conoco Inc. | South Cowden Canyon Unit #27 | 9,150 | 13535948 |
| 349814 | Aug 8, 1988 | Aug 8, 1988 | Colter Operating, Inc. | Cowden "G" #2 | 9,000 | 13535947 |
| 348759 | Aug 8, 1988 | Aug 8, 1988 | Fina Oil & Chemical Company | Emmons Unit #211 | 4,800 | 13535910 |
| 349624 | Aug 3, 1988 | Aug 3, 1988 | OXY USA Inc. | Rhodes Cowden Unit #468 | 4,350 | 13535943 |
| 349615 | Aug 3, 1988 | Aug 3, 1988 | Union Oil Company of California | Moss Unit #1508 | 4,800 | 13535946 |
| 349614 | Aug 3, 1988 | Aug 3, 1988 | Union Oil Company of California | Moss Unit #1507 | 4,800 | 13535945 |
| 349613 | Aug 3, 1988 | Aug 3, 1988 | Union Oil Company of California | Moss Unit #1509 | 4,850 | 13535944 |
| 349545 | Aug 2, 1988 | Aug 2, 1988 | Amoco Production Company | Cowden, Elliott F. "B" #105 | 4,800 | 13535941 |
| 349544 | Aug 2, 1988 | Aug 2, 1988 | Amoco Production Company | Cowden, Elliott F. "B" #107 | 4,800 | 13535942 |
| 349543 | Aug 2, 1988 | Aug 2, 1988 | Amoco Production Company | Cowden, Elliott F. "B" #104 | 4,800 | 13535940 |
| 349542 | Aug 2, 1988 | Aug 2, 1988 | Amoco Production Company | Cowden, Elliott F. "B" #103 | 4,800 | 13535939 |
| 349541 | Aug 2, 1988 | Aug 2, 1988 | Amoco Production Company | Cowden, Elliott F. "A" #173 | 4,800 | 13535938 |