| 463952 | Jun 18, 1997 | Jun 18, 1997 | Tri-C Resources, Inc. | Coates #1 | 9,000 | 42733010 |
| 463952Amendment | Jun 18, 1997 | Jun 18, 1997 | Tri-C Resources, Inc. | Coates #1 | 9,000 | 42733010 |
| 463898 | Jun 17, 1997 | Jun 17, 1997 | Carrizo Oil & Gas, Inc. | La Brisa Ranch #2 | 6,900 | 42733008 |
| 463897 | Jun 17, 1997 | Jun 17, 1997 | Carrizo Oil & Gas, Inc. | Manuel Barrera State #1 | 8,000 | 42733009 |
| 463837 | Jun 16, 1997 | Jun 16, 1997 | Carrizo Oil & Gas, Inc. | Dorothy Blanks State #1 | 4,800 | 42733007 |
| 463796 | Jun 16, 1997 | Jun 16, 1997 | Belco Operating Corp. | La Brisa Ranch #3 | 6,000 | 42733006 |
| 463796Amendment | Jun 16, 1997 | Jun 16, 1997 | Belco Operating Corp. | La Brisa Ranch #1A | 6,500 | 42733006 |
| 463550 | Jun 12, 1997 | Jun 12, 1997 | Samedan Oil Corporation | Martinez -B- #50 | 7,400 | 42733003 |
| 463549 | Jun 12, 1997 | Jun 12, 1997 | Samedan Oil Corporation | Martinez -B- #48 | 8,800 | 42733004 |
| 463548 | Jun 12, 1997 | Jun 12, 1997 | Samedan Oil Corporation | Martinez -B- #49 | 8,550 | 42733005 |
| 463548Amendment | Jun 12, 1997 | Jun 12, 1997 | Samedan Oil Corporation | Martinez -B- #49 | 8,550 | 42733005 |
| 463273 | Jun 10, 1997 | Jun 10, 1997 | Glenn, Wayne E. & Assoc., Inc. | La Brisa Ranch 907 #2 | 4,810 | 42732504 |
| 463264 | Jun 6, 1997 | Jun 6, 1997 | Fina Oil & Chemical Company | Slick, T. B. Estate #114 | 11,000 | 42733000 |
| 463104 | Jun 6, 1997 | Jun 6, 1997 | M. J. G., Inc. | Guerra, R. A. #4 | 9,130 | 42732040 |
| 463322 | Jun 5, 1997 | Jun 5, 1997 | Epstein, Edwin a Jr Oper Co Inc | Guerra, et Al. #4 | 18,000 | 42733001 |
| 462991 | Jun 4, 1997 | Jun 4, 1997 | Fina Oil & Chemical Company | State Slick "C" #5 | 7,960 | 42703796 |
| 462988 | Jun 4, 1997 | Jun 4, 1997 | Fina Oil & Chemical Company | Slick, T. B. Est #51 | 5,612 | 42704620 |
| 462719 | Jun 4, 1997 | Jun 4, 1997 | Reh Energy, Inc. | Montalvo, N. R. #58 | 5,500 | 42732997 |
| 462977 | May 29, 1997 | May 29, 1997 | Fina Oil & Chemical Company | Southwest Farm & Ranch-State #7 | 10,200 | 42732999 |
| 462961 | May 27, 1997 | May 27, 1997 | Wynn-Crosby Energy, Inc. | Guerra, A., Jr. et al -A- #4 | 7,400 | 42700783 |
| 462649 | May 23, 1997 | May 23, 1997 | Conoco Inc. | Slick, T. B. Estate A-527 #180 | 8,600 | 42732996 |
| 462786 | May 22, 1997 | May 22, 1997 | Oryx Energy Company | Slick Estate -C- #7 | 10,680 | 42732026 |
| 462736 | May 21, 1997 | May 21, 1997 | Oryx Energy Company | Chapotal Land Co. #28 | 4,200 | 42732998 |
| 462406 | May 14, 1997 | May 14, 1997 | Paladin-Hayes, L.L.C. | Brannan #1 | 10,500 | 42732995 |
| 462125 | May 14, 1997 | May 14, 1997 | Conoco Inc. | Slick, T. B. B-536 #181 | 7,325 | 42732588 |
| 462275 | May 12, 1997 | May 12, 1997 | Oryx Energy Company | Hall, C. M. -A- #7 | 9,493 | 42731711 |
| 462076 | May 7, 1997 | May 7, 1997 | Transtexas Gas Corporation | Nationsbank #3 | 9,500 | 42732994 |
| 461929 | May 7, 1997 | May 7, 1997 | Conoco Inc. | Garcia, M. M. B-538 #21 | 7,204 | 42732848 |
| 462054 | May 6, 1997 | May 6, 1997 | Oryx Energy Company | Hall, C. M. -C- #7 | 9,627 | 42732356 |
| 462002 | May 5, 1997 | May 5, 1997 | Rand - Paulson Oil Company, Inc. | Laurel, D. #1 | 9,500 | 42732993 |
| 460857 | May 5, 1997 | May 5, 1997 | Oryx Energy Company | Hermann, A.G. Gas Unit #6 | 7,670 | 42732881 |
| 461813 | Apr 30, 1997 | Apr 30, 1997 | Oryx Energy Company | De Garcia, B. G. #39 | 8,852 | 42731910 |
| 461734 | Apr 30, 1997 | Apr 30, 1997 | Fina Oil & Chemical Company | Southwest Farm & Ranch-State #6 | 9,500 | 42732992 |
| 461431 | Apr 29, 1997 | Apr 29, 1997 | Bass Enterprises Production Co. | Bloomberg #11 | 7,500 | 42732991 |
| 461431Amendment | Apr 29, 1997 | Apr 29, 1997 | Bass Enterprises Production Co. | Bloomberg #11 | 7,005 | 42732991 |
| 461275 | Apr 23, 1997 | Apr 23, 1997 | Exxon Corp. | Kelsey 19-B /S/ Unit #441 | 6,450 | 42730576 |
| 461275Amendment | Apr 23, 1997 | Apr 23, 1997 | Exxon Corp. | Kelsey 19-B /S/ Unit #441 | 6,450 | 42730576 |
| 461508 | Apr 22, 1997 | Apr 22, 1997 | Texas Independent Explor., Inc. | La Brisa #9171 | 6,400 | 42732990 |
| 461507 | Apr 22, 1997 | Apr 22, 1997 | Texas Independent Explor., Inc. | La Brisa 91-3 #3 | 6,400 | 42732989 |
| 461506 | Apr 22, 1997 | Apr 22, 1997 | Texas Independent Explor., Inc. | La Brisa #9104 | 6,400 | 42732988 |
| 461480 | Apr 22, 1997 | Apr 22, 1997 | Neuhaus, V. F. Properties, Inc. | Sheerin, Irene-Texas State #15 | 1,030 | 42732930 |
| 461244 | Apr 17, 1997 | Apr 17, 1997 | Transtexas Gas Corporation | Garcia Heirs Gas Unit #3 | 8,500 | 42732987 |
| 461001 | Apr 16, 1997 | Apr 16, 1997 | Fina Oil & Chemical Company | Fina-Conoco Fee #4 | 7,100 | 42732323 |
| 461109 | Apr 14, 1997 | Apr 14, 1997 | Legacy Corporation, The | Martinez State # 2 #1 | 8,200 | 42732986 |
| 461063 | Apr 14, 1997 | Apr 14, 1997 | Exxon Corp. | McGill Bros. #440 | 5,450 | 42730423 |
| 461008 | Apr 14, 1997 | Apr 14, 1997 | Tesoro E&P Company, L.P. | Guerra, F.B. "B" #14 | 8,000 | 42732985 |
| 460780 | Apr 14, 1997 | Apr 14, 1997 | Greenbrier Oper. Co. | Echols, George H. et Al #2 | 10,000 | 42732982 |
| 460956 | Apr 11, 1997 | Apr 11, 1997 | Fina Oil & Chemical Company | Davenport, O.H. Heirs #6 | 7,500 | 42732983 |
| 460975 | Apr 10, 1997 | Apr 10, 1997 | Oryx Energy Company | Hall, C. M. -C- #8 | 10,000 | 42732984 |
| 460703 | Apr 10, 1997 | Apr 10, 1997 | Olsen Energy Inc. | East Block Heirs "B" #2 | 8,900 | 42731393 |
| 460046 | Apr 9, 1997 | Apr 9, 1997 | Oryx Energy Company | Alvarez-Hinojosa Gas Unit #1 | 8,600 | 42732309 |
| 459911 | Apr 8, 1997 | Apr 8, 1997 | Oryx Energy Company | Orive, A. #9 | 8,300 | 42732975 |
| 459911Amendment | Apr 8, 1997 | Apr 8, 1997 | Oryx Energy Company | Orive, A. #9 | 8,300 | 42732975 |
| 460699 | Apr 4, 1997 | Apr 4, 1997 | Oryx Energy Company | Speer, Geo. H. St "B" #26 | 7,100 | 42732981 |
| 460699Amendment | Apr 4, 1997 | Apr 4, 1997 | Oryx Energy Company | Speer, Geo. H. St "B" #26 | 7,100 | 42732981 |
| 460671 | Apr 3, 1997 | Apr 3, 1997 | Linder Oil Company,a Partnership | Texaco Fee #3C | 5,200 | 42732980 |
| 459489 | Apr 1, 1997 | Apr 1, 1997 | Carrizo Oil & Gas, Inc. | La Brisa Ranch #1B | 4,000 | 42732967 |
| 460464 | Mar 28, 1997 | Mar 28, 1997 | Texas Independent Explor., Inc. | First National Bank of Mission #2 | 9,000 | 42732979 |
| 460388 | Mar 27, 1997 | Mar 27, 1997 | Transtexas Gas Corporation | Garcia, M. #1 | 11,500 | 42732978 |
| 460388Amendment | Mar 27, 1997 | Mar 27, 1997 | Transtexas Gas Corporation | Garcia, M. #1 | 13,500 | 42732978 |
| 460333 | Mar 26, 1997 | Mar 26, 1997 | Coastal Oil & Gas Corporation | Guerra Gas Unit "C" #7 | 15,216 | 42732791 |
| 460201 | Mar 26, 1997 | Mar 26, 1997 | Wynn-Crosby Energy, Inc. | Guerra, F. B. Estate "B" #9D | 8,300 | 42732260 |
| 460214 | Mar 21, 1997 | Mar 21, 1997 | Exxon Corp. | McGill Bros. #432 | 6,339 | 42730244 |
| 460214Amendment | Mar 21, 1997 | Mar 21, 1997 | Exxon Corp. | McGill Bros. #432 | 6,339 | 42730244 |
| 460214Amendment | Mar 21, 1997 | Mar 21, 1997 | Exxon Corp. | McGill Bros. #432 | 6,339 | 42730244 |
| 460180 | Mar 20, 1997 | Mar 20, 1997 | Sanchez-O'Brien Oil & Gas Corp. | USA 3 #9 | 15,000 | 42732977 |
| 460180Amendment | Mar 20, 1997 | Mar 20, 1997 | Sanchez-O'Brien Oil & Gas Corp. | USA 3 #9 | 15,000 | 42732977 |
| 460049 | Mar 18, 1997 | Mar 18, 1997 | Sanchez-O'Brien Oil & Gas Corp. | Sandia C #2 | 14,000 | 42732976 |
| 460049Amendment | Mar 18, 1997 | Mar 18, 1997 | Sanchez-O'Brien Oil & Gas Corp. | Sandia C #2 | 14,000 | 42732976 |
| 460049Amendment | Mar 18, 1997 | Mar 18, 1997 | Sanchez-O'Brien Oil & Gas Corp. | Sandia C #2 | 15,000 | 42732976 |
| 460049Amendment | Mar 18, 1997 | Mar 18, 1997 | Sanchez-O'Brien Oil & Gas Corp. | Sandia C #2 | 15,000 | 42732976 |
| 459878 | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | Guerra, et Al. #3 | 18,000 | 42732974 |
| 459878Amendment | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | Guerra, et Al. #3 | 18,000 | 42732974 |
| 459877 | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | R.R. Guerra Partnership, et Al. #1 | 18,000 | 42732973 |
| 459876 | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | R.R. Guerra Partnership, et Al #2 | 18,000 | 42732972 |
| 459876Amendment | Mar 14, 1997 | Mar 14, 1997 | Epstein, Edwin a Jr Oper Co Inc | Guerra, R. R. Partnership, et Al #2 | 18,000 | 42732972 |
| 459830 | Mar 13, 1997 | Mar 13, 1997 | Fina Oil & Chemical Company | State Slick #D 23 | 10,000 | 42732971 |
| 459830Amendment | Mar 13, 1997 | Mar 13, 1997 | Fina Oil & Chemical Company | State Slick D #23 | 9,400 | 42732971 |
| 459183 | Mar 12, 1997 | Mar 12, 1997 | Neuhaus, V. F. Properties, Inc. | Sheerin, Irene-Texas State #17 | 2,350 | 42732964 |
| 459746 | Mar 11, 1997 | Mar 11, 1997 | Exxon Corp. | McGill Bros. #418 | 5,308 | 42730029 |
| 459623 | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Roos, et Al #4 | 3,100 | 42732969 |
| 459623Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Roos, et Al #4 | 3,100 | 42732969 |
| 459623Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Roos, et Al #4 | 3,100 | 42732969 |
| 459622 | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Starr-Guerra #1 | 10,000 | 42732970 |
| 459622Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Starr-Guerra #1 | 12,000 | 42732970 |
| 459622Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Starr-Guerra #1 | 14,000 | 42732970 |
| 459622Amendment | Mar 10, 1997 | Mar 10, 1997 | Transtexas Gas Corporation | Starr-Guerra #1 | 14,000 | 42732970 |
| 459524 | Mar 6, 1997 | Mar 6, 1997 | Belco Operating Corp. | State Munal-Chowdary #1 | 12,200 | 42732968 |
| 458594 | Mar 6, 1997 | Mar 6, 1997 | BDR Energy Corporation | Gonzalez, Osbelia Saenz et Al #1 | 7,500 | 42732963 |
| 458594Amendment | Mar 6, 1997 | Mar 6, 1997 | BDR Energy Corporation | Gonzalez, Osbelia Saenz et Al #1 | 7,850 | 42732963 |
| 459429 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #4A | 6,000 | 42732966 |
| 459428 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #1A | 6,500 | 42732331 |
| 459428Amendment | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #1A | 3,980 | 42732331 |
| 459427 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #1 | 6,408 | 42704894 |
| 459426 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #6A | 5,800 | 42732965 |
| 459426Amendment | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #6A | 5,800 | 42732965 |
| 459425 | Mar 4, 1997 | Mar 4, 1997 | Integrated Operating Corporation | Heard, J. F. B. #3A | 5,510 | 42732459 |
| 459254 | Feb 27, 1997 | Feb 27, 1997 | Oryx Energy Company | Garcia L & L Co. -C- #13 | 6,552 | 42732705 |
| 459254Amendment | Feb 27, 1997 | Feb 27, 1997 | Oryx Energy Company | Garcia L & L Co. -C- #13 | 5,490 | 42732705 |
| 459121 | Feb 25, 1997 | Feb 25, 1997 | Exxon Corp. | McGill Bros. #230 | 5,210 | 42700230 |