| 463952 | Jun 18, 1997 | Jun 18, 1997 | Tri-C Resources, Inc. | Coates #142733010 | 9,000 |
| 463952Amendment | Jun 18, 1997 | Jun 18, 1997 | Tri-C Resources, Inc. | Coates #142733010 | 9,000 |
| 463898 | Jun 17, 1997 | Jun 17, 1997 | Carrizo Oil & Gas, Inc. | La Brisa Ranch #242733008 | 6,900 |
| 463897 | Jun 17, 1997 | Jun 17, 1997 | Carrizo Oil & Gas, Inc. | Manuel Barrera State #142733009 | 8,000 |
| 463837 | Jun 16, 1997 | Jun 16, 1997 | Carrizo Oil & Gas, Inc. | Dorothy Blanks State #142733007 | 4,800 |
| 463796 | Jun 16, 1997 | Jun 16, 1997 | Belco Operating Corp. | La Brisa Ranch #342733006 | 6,000 |
| 463796Amendment | Jun 16, 1997 | Jun 16, 1997 | Belco Operating Corp. | La Brisa Ranch #1A42733006 | 6,500 |
| 463550 | Jun 12, 1997 | Jun 12, 1997 | Samedan Oil Corporation | Martinez -B- #5042733003 | 7,400 |
| 463549 | Jun 12, 1997 | Jun 12, 1997 | Samedan Oil Corporation | Martinez -B- #4842733004 | 8,800 |
| 463548 | Jun 12, 1997 | Jun 12, 1997 | Samedan Oil Corporation | Martinez -B- #4942733005 | 8,550 |
| 463548Amendment | Jun 12, 1997 | Jun 12, 1997 | Samedan Oil Corporation | Martinez -B- #4942733005 | 8,550 |
| 463273 | Jun 10, 1997 | Jun 10, 1997 | Glenn, Wayne E. & Assoc., Inc. | La Brisa Ranch 907 #242732504 | 4,810 |
| 463264 | Jun 6, 1997 | Jun 6, 1997 | Fina Oil & Chemical Company | Slick, T. B. Estate #11442733000 | 11,000 |
| 463104 | Jun 6, 1997 | Jun 6, 1997 | M. J. G., Inc. | Guerra, R. A. #442732040 | 9,130 |
| 463322 | Jun 5, 1997 | Jun 5, 1997 | Epstein, Edwin a Jr Oper Co Inc | Guerra, et Al. #442733001 | 18,000 |
| 462991 | Jun 4, 1997 | Jun 4, 1997 | Fina Oil & Chemical Company | State Slick "C" #542703796 | 7,960 |
| 462988 | Jun 4, 1997 | Jun 4, 1997 | Fina Oil & Chemical Company | Slick, T. B. Est #5142704620 | 5,612 |
| 462719 | Jun 4, 1997 | Jun 4, 1997 | Reh Energy, Inc. | Montalvo, N. R. #5842732997 | 5,500 |
| 462977 | May 29, 1997 | May 29, 1997 | Fina Oil & Chemical Company | Southwest Farm & Ranch-State #742732999 | 10,200 |
| 462961 | May 27, 1997 | May 27, 1997 | Wynn-Crosby Energy, Inc. | Guerra, A., Jr. et al -A- #442700783 | 7,400 |
| 462649 | May 23, 1997 | May 23, 1997 | Conoco Inc. | Slick, T. B. Estate A-527 #18042732996 | 8,600 |
| 462786 | May 22, 1997 | May 22, 1997 | Oryx Energy Company | Slick Estate -C- #742732026 | 10,680 |
| 462736 | May 21, 1997 | May 21, 1997 | Oryx Energy Company | Chapotal Land Co. #2842732998 | 4,200 |
| 462406 | May 14, 1997 | May 14, 1997 | Paladin-Hayes, L.L.C. | Brannan #142732995 | 10,500 |
| 462125 | May 14, 1997 | May 14, 1997 | Conoco Inc. | Slick, T. B. B-536 #18142732588 | 7,325 |
| 462275 | May 12, 1997 | May 12, 1997 | Oryx Energy Company | Hall, C. M. -A- #742731711 | 9,493 |
| 462076 | May 7, 1997 | May 7, 1997 | Transtexas Gas Corporation | Nationsbank #342732994 | 9,500 |
| 461929 | May 7, 1997 | May 7, 1997 | Conoco Inc. | Garcia, M. M. B-538 #2142732848 | 7,204 |
| 462054 | May 6, 1997 | May 6, 1997 | Oryx Energy Company | Hall, C. M. -C- #742732356 | 9,627 |
| 462002 | May 5, 1997 | May 5, 1997 | Rand - Paulson Oil Company, Inc. | Laurel, D. #142732993 | 9,500 |
| 460857 | May 5, 1997 | May 5, 1997 | Oryx Energy Company | Hermann, A.G. Gas Unit #642732881 | 7,670 |
| 461813 | Apr 30, 1997 | Apr 30, 1997 | Oryx Energy Company | De Garcia, B. G. #3942731910 | 8,852 |
| 461734 | Apr 30, 1997 | Apr 30, 1997 | Fina Oil & Chemical Company | Southwest Farm & Ranch-State #642732992 | 9,500 |
| 461431 | Apr 29, 1997 | Apr 29, 1997 | Bass Enterprises Production Co. | Bloomberg #1142732991 | 7,500 |
| 461431Amendment | Apr 29, 1997 | Apr 29, 1997 | Bass Enterprises Production Co. | Bloomberg #1142732991 | 7,005 |
| 461275 | Apr 23, 1997 | Apr 23, 1997 | Exxon Corp. | Kelsey 19-B /S/ Unit #44142730576 | 6,450 |
| 461275Amendment | Apr 23, 1997 | Apr 23, 1997 | Exxon Corp. | Kelsey 19-B /S/ Unit #44142730576 | 6,450 |
| 461508 | Apr 22, 1997 | Apr 22, 1997 | Texas Independent Explor., Inc. | La Brisa #917142732990 | 6,400 |
| 461507 | Apr 22, 1997 | Apr 22, 1997 | Texas Independent Explor., Inc. | La Brisa 91-3 #342732989 | 6,400 |
| 461506 | Apr 22, 1997 | Apr 22, 1997 | Texas Independent Explor., Inc. | La Brisa #910442732988 | 6,400 |
| 461480 | Apr 22, 1997 | Apr 22, 1997 | Neuhaus, V. F. Properties, Inc. | Sheerin, Irene-Texas State #1542732930 | 1,030 |
| 461244 | Apr 17, 1997 | Apr 17, 1997 | Transtexas Gas Corporation | Garcia Heirs Gas Unit #342732987 | 8,500 |
| 461001 | Apr 16, 1997 | Apr 16, 1997 | Fina Oil & Chemical Company | Fina-Conoco Fee #442732323 | 7,100 |
| 461109 | Apr 14, 1997 | Apr 14, 1997 | Legacy Corporation, The | Martinez State # 2 #142732986 | 8,200 |
| 461063 | Apr 14, 1997 | Apr 14, 1997 | Exxon Corp. | McGill Bros. #44042730423 | 5,450 |
| 461008 | Apr 14, 1997 | Apr 14, 1997 | Tesoro E&P Company, L.P. | Guerra, F.B. "B" #1442732985 | 8,000 |
| 460780 | Apr 14, 1997 | Apr 14, 1997 | Greenbrier Oper. Co. | Echols, George H. et Al #242732982 | 10,000 |
| 460956 | Apr 11, 1997 | Apr 11, 1997 | Fina Oil & Chemical Company | Davenport, O.H. Heirs #642732983 | 7,500 |
| 460975 | Apr 10, 1997 | Apr 10, 1997 | Oryx Energy Company | Hall, C. M. -C- #842732984 | 10,000 |
| 460703 | Apr 10, 1997 | Apr 10, 1997 | Olsen Energy Inc. | East Block Heirs "B" #242731393 | 8,900 |
| 460046 | Apr 9, 1997 | Apr 9, 1997 | Oryx Energy Company | Alvarez-Hinojosa Gas Unit #142732309 | 8,600 |
| 459911 | Apr 8, 1997 | Apr 8, 1997 | Oryx Energy Company | Orive, A. #942732975 | 8,300 |
| 459911Amendment | Apr 8, 1997 | Apr 8, 1997 | Oryx Energy Company | Orive, A. #942732975 | 8,300 |
| 460699 | Apr 4, 1997 | Apr 4, 1997 | Oryx Energy Company | Speer, Geo. H. St "B" #2642732981 | 7,100 |
| 460699Amendment | Apr 4, 1997 | Apr 4, 1997 | Oryx Energy Company | Speer, Geo. H. St "B" #2642732981 | 7,100 |
| 460671 | Apr 3, 1997 | Apr 3, 1997 | Linder Oil Company,a Partnership | Texaco Fee #3C42732980 | 5,200 |
| 459489 | Apr 1, 1997 | Apr 1, 1997 | Carrizo Oil & Gas, Inc. | La Brisa Ranch #1B42732967 | 4,000 |
| 460464 | Mar 28, 1997 | Mar 28, 1997 | Texas Independent Explor., Inc. | First National Bank of Mission #242732979 | 9,000 |
| 460388 | Mar 27, 1997 | Mar 27, 1997 | Transtexas Gas Corporation | Garcia, M. #142732978 | 11,500 |
| 460388Amendment | Mar 27, 1997 | Mar 27, 1997 | Transtexas Gas Corporation | Garcia, M. #142732978 | 13,500 |
| 460333 | Mar 26, 1997 | Mar 26, 1997 | Coastal Oil & Gas Corporation | Guerra Gas Unit "C" #742732791 | 15,216 |
| 460201 | Mar 26, 1997 | Mar 26, 1997 | Wynn-Crosby Energy, Inc. | Guerra, F. B. Estate "B" #9D42732260 | 8,300 |
| 460214 | Mar 21, 1997 | Mar 21, 1997 | Exxon Corp. | McGill Bros. #43242730244 | 6,339 |
| 460214Amendment | Mar 21, 1997 | Mar 21, 1997 | Exxon Corp. | McGill Bros. #43242730244 | 6,339 |
| 460214Amendment | Mar 21, 1997 | Mar 21, 1997 | Exxon Corp. | McGill Bros. #43242730244 | 6,339 |
| 460180 | Mar 20, 1997 | Mar 20, 1997 | Sanchez-O'Brien Oil & Gas Corp. | USA 3 #942732977 | 15,000 |
| 460180Amendment | Mar 20, 1997 | Mar 20, 1997 | Sanchez-O'Brien Oil & Gas Corp. | USA 3 #942732977 | 15,000 |
| 460049 | Mar 18, 1997 | Mar 18, 1997 | Sanchez-O'Brien Oil & Gas Corp. | Sandia C #242732976 | 14,000 |
| 460049Amendment | Mar 18, 1997 | Mar 18, 1997 | Sanchez-O'Brien Oil & Gas Corp. | Sandia C #242732976 | 14,000 |
| 460049Amendment | Mar 18, 1997 | Mar 18, 1997 | Sanchez-O'Brien Oil & Gas Corp. | Sandia C #242732976 | 15,000 |
| 460049Amendment | Mar 18, 1997 | Mar 18, 1997 | Sanchez-O'Brien Oil & Gas Corp. | Sandia C #242732976 | 15,000 |
| 459878 | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | Guerra, et Al. #342732974 | 18,000 |
| 459878Amendment | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | Guerra, et Al. #342732974 | 18,000 |
| 459877 | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | R.R. Guerra Partnership, et Al. #142732973 | 18,000 |
| 459876 | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | R.R. Guerra Partnership, et Al #242732972 | 18,000 |
| 459876Amendment | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | Guerra, R. R. Partnership, et Al #242732972 | 18,000 |
| 459830 | Mar 13, 1997 | Mar 13, 1997 | Fina Oil & Chemical Company | State Slick #D 2342732971 | 10,000 |
| 459830Amendment | Mar 13, 1997 | Mar 13, 1997 | Fina Oil & Chemical Company | State Slick D #2342732971 | 9,400 |
| 459183 | Mar 12, 1997 | Mar 12, 1997 | Neuhaus, V. F. Properties, Inc. | Sheerin, Irene-Texas State #1742732964 | 2,350 |
| 459746 | Mar 11, 1997 | Mar 11, 1997 | Exxon Corp. | McGill Bros. #41842730029 | 5,308 |
| 459623 | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Roos, et Al #442732969 | 3,100 |
| 459623Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Roos, et Al #442732969 | 3,100 |
| 459623Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Roos, et Al #442732969 | 3,100 |
| 459622 | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Starr-Guerra #142732970 | 10,000 |
| 459622Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Starr-Guerra #142732970 | 12,000 |
| 459622Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Starr-Guerra #142732970 | 14,000 |
| 459622Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Starr-Guerra #142732970 | 14,000 |
| 459524 | Mar 6, 1997 | Mar 6, 1997 | Belco Operating Corp. | State Munal-Chowdary #142732968 | 12,200 |
| 458594 | Mar 6, 1997 | Mar 6, 1997 | BDR Energy Corporation | Gonzalez, Osbelia Saenz et Al #142732963 | 7,500 |
| 458594Amendment | Mar 6, 1997 | Mar 6, 1997 | BDR Energy Corporation | Gonzalez, Osbelia Saenz et Al #142732963 | 7,850 |
| 459429 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #4A42732966 | 6,000 |
| 459428 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #1A42732331 | 6,500 |
| 459428Amendment | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #1A42732331 | 3,980 |
| 459427 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #142704894 | 6,408 |
| 459426 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #6A42732965 | 5,800 |
| 459426Amendment | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #6A42732965 | 5,800 |
| 459425 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #3A42732459 | 5,510 |
| 459254 | Feb 27, 1997 | Feb 27, 1997 | Oryx Energy Company | Garcia L & L Co. -C- #1342732705 | 6,552 |
| 459254Amendment | Feb 27, 1997 | Feb 27, 1997 | Oryx Energy Company | Garcia L & L Co. -C- #1342732705 | 5,490 |
| 459121 | Feb 25, 1997 | Feb 25, 1997 | Exxon Corp. | McGill Bros. #23042700230 | 5,210 |