| 476656 | May 27, 1998 | May 27, 1998 | Samedan Oil Corporation | Chevron Btlt #142733114 | 11,700 |
| 476269 | May 26, 1998 | May 26, 1998 | Pg&e Gas Transmission, Tex. Corp | Rectifier ZP-40 #15542733113 | 280 |
| 476269Amendment | May 26, 1998 | May 26, 1998 | Pg&e Gas Transmission, Tex. Corp | Rectifier ZP-40 #22542733113 | 500 |
| 476392 | May 18, 1998 | May 18, 1998 | Coastal Oil & Gas Corporation | Guerra GU "G" #D 342732476 | 10,335 |
| 476253 | May 13, 1998 | May 13, 1998 | Conoco Inc. | Slick, T. B. Estate A-527 #18642733112 | 8,100 |
| 475432 | May 13, 1998 | May 13, 1998 | Exxon Corp. | East, Alice K., Mrs. State #342730690 | 4,303 |
| 476124 | May 8, 1998 | May 8, 1998 | Oryx Energy Company | Olivares, A. #2442733111 | 9,900 |
| 476124Amendment | May 8, 1998 | May 8, 1998 | Kerr-McGee Corporation | Olivares, A. #2442733111 | 10,700 |
| 476124Amendment | May 8, 1998 | May 8, 1998 | Kerr-McGee Corporation | Olivares, A. #2442733111 | 11,200 |
| 476058 | May 6, 1998 | May 6, 1998 | Oryx Energy Company | Hall, J. F. State -A- #1842733110 | 7,600 |
| 475970 | May 5, 1998 | May 5, 1998 | Coastal Oil & Gas Corporation | Guerra GU "C" #1042733109 | 15,000 |
| 475908 | May 4, 1998 | May 4, 1998 | Tri-C Resources, Inc. | Coates #642733108 | 6,000 |
| 475787 | Apr 29, 1998 | Apr 29, 1998 | Oryx Energy Company | Slick Estate -C- #742732026 | 8,112 |
| 475787Amendment | Apr 29, 1998 | Apr 29, 1998 | Kerr-McGee Corporation | Slick Estate -C- #742732026 | 8,112 |
| 475723 | Apr 27, 1998 | Apr 27, 1998 | Conoco Inc. | T. B. Slick Estate A-527 #18542733107 | 6,220 |
| 475723Amendment | Apr 27, 1998 | Apr 27, 1998 | Conoco Inc. | Slick, T. B. Estate A-527 #18542733107 | 6,220 |
| 475501 | Apr 21, 1998 | Apr 21, 1998 | Oryx Energy Company | Garcia, I. Y. #1642732531 | 9,047 |
| 475272 | Apr 14, 1998 | Apr 14, 1998 | Edge Petroleum Oper. Co., Inc. | Roos #242733106 | 5,000 |
| 475123 | Apr 10, 1998 | Apr 10, 1998 | Bass Enterprises Production Co. | Bloomberg #1842733102 | 7,500 |
| 475123Amendment | Apr 10, 1998 | Apr 10, 1998 | Bass Enterprises Production Co. | Bloomberg #1842733102 | 7,500 |
| 475123Amendment | Apr 10, 1998 | Apr 10, 1998 | Bass Enterprises Production Co. | Bloomberg #1842733102 | 7,500 |
| 475123Amendment | Apr 10, 1998 | Apr 10, 1998 | Bass Enterprises Production Co. | Bloomberg #1842733102 | 7,500 |
| 475147 | Apr 8, 1998 | Apr 8, 1998 | Edge Petroleum Oper. Co., Inc. | Garza #142733105 | 7,200 |
| 475144 | Apr 8, 1998 | Apr 8, 1998 | Exxon Corp. | McGill Bros. #55142733103 | 9,000 |
| 475143 | Apr 8, 1998 | Apr 8, 1998 | Exxon Corp. | McGill Bros. #55242733104 | 9,000 |
| 475080 | Apr 6, 1998 | Apr 6, 1998 | Oryx Energy Company | Cardenas, R. R. #442732256 | 6,955 |
| 475079 | Apr 6, 1998 | Apr 6, 1998 | Oryx Energy Company | Hall, J. F. State -A- #1542732199 | 8,194 |
| 474950 | Apr 6, 1998 | Apr 6, 1998 | Sanchez-O'Brien Oil & Gas Corp. | Orive, A. #742732660 | 5,300 |
| 474893 | Apr 1, 1998 | Apr 1, 1998 | Mortimer Exploration Company | Ricaby #142733101 | 6,000 |
| 474803 | Mar 27, 1998 | Mar 27, 1998 | Exxon Corp. | McGill Bros. #36642704878 | 5,926 |
| 474705 | Mar 27, 1998 | Mar 27, 1998 | Bass Enterprises Production Co. | Bloomberg #1642733099 | 13,000 |
| 474705Amendment | Mar 27, 1998 | Mar 27, 1998 | Bass Enterprises Production Co. | Bloomberg #1642733099 | 13,000 |
| 474734 | Mar 26, 1998 | Mar 26, 1998 | Coastal Oil & Gas Corporation | Ramirez GU "E" #1142732796 | 10,664 |
| 474733 | Mar 26, 1998 | Mar 26, 1998 | Coastal Oil & Gas Corporation | Guerra GU "D" #1242733100 | 14,000 |
| 474590 | Mar 23, 1998 | Mar 23, 1998 | Bass Enterprises Production Co. | Bloomberg #1542733097 | 7,500 |
| 474590Amendment | Mar 23, 1998 | Mar 23, 1998 | Bass Enterprises Production Co. | Bloomberg #1542733097 | 7,500 |
| 474589 | Mar 23, 1998 | Mar 23, 1998 | Bass Enterprises Production Co. | Kent #142733098 | 13,000 |
| 474572 | Mar 20, 1998 | Mar 20, 1998 | Coastal Oil & Gas Corporation | State Park #342733096 | 12,800 |
| 457186Amendment | Mar 18, 1998 | Mar 18, 1998 | Epstein, Edwin a Jr Oper Co Inc | Guerra, et Al. #242732949 | 19,000 |
| 474426 | Mar 17, 1998 | Mar 17, 1998 | Oryx Energy Company | Laurel, C. #842731647 | 5,974 |
| 474154 | Mar 17, 1998 | Mar 17, 1998 | Exxon Corp. | McGill Bros #43142730247 | 6,420 |
| 474154Amendment | Mar 17, 1998 | Mar 17, 1998 | Exxon Corp. | McGill Bros #43142730247 | 6,420 |
| 474019 | Mar 11, 1998 | Mar 11, 1998 | Greenbrier Oper. Co. | Guerra, F. B. #142732690 | 9,500 |
| 474238 | Mar 10, 1998 | Mar 10, 1998 | Oryx Energy Company | Orive, A. #942732975 | 7,945 |
| 474018 | Mar 6, 1998 | Mar 6, 1998 | Greenbrier Oper. Co. | Guerra, F. B. #442732746 | 5,400 |
| 474033 | Mar 4, 1998 | Mar 4, 1998 | Oryx Energy Company | Montalvo, I. V. -C- #542700573 | 5,126 |
| 473959 | Mar 3, 1998 | Mar 3, 1998 | Kebo Oil & Gas, Inc. | Rodriguez #242733095 | 1,000 |
| 473858 | Feb 27, 1998 | Feb 27, 1998 | Linder Oil Company,a Partnership | Texaco Fee G.U. #4B42733094 | 4,200 |
| 473858Amendment | Feb 27, 1998 | Feb 27, 1998 | Lynx Energy Company, Inc. | Texaco Fee GU #4B42733094 | 4,200 |
| 473826 | Feb 26, 1998 | Feb 26, 1998 | Coastal Oil & Gas Corporation | Guerra GU "B" #742732677 | 12,420 |
| 472829 | Feb 26, 1998 | Feb 26, 1998 | Oryx Energy Company | Garcia, I. Y. #1542733083 | 11,600 |
| 473787 | Feb 25, 1998 | Feb 25, 1998 | Fina Oil & Chemical Company | Slick, T. B. Estate #12342733093 | 8,500 |
| 473787Amendment | Feb 25, 1998 | Feb 25, 1998 | Fina Oil & Chemical Company | Slick, T. B. Estate #12342733093 | 8,500 |
| 473774 | Feb 25, 1998 | Feb 25, 1998 | Wynn-Crosby Energy, Inc. | Guerra, A. A #1142733014 | 7,500 |
| 473747 | Feb 24, 1998 | Feb 24, 1998 | Oryx Energy Company | De Garcia, B. G. #4942733092 | 8,300 |
| 473516 | Feb 24, 1998 | Feb 24, 1998 | Greenbrier Oper. Co. | Echols, George et Al #342733090 | 10,500 |
| 473461 | Feb 24, 1998 | Feb 24, 1998 | Acock Engineering & Assoc., Inc. | Saenz #242733089 | 7,550 |
| 473666 | Feb 23, 1998 | Feb 23, 1998 | Conoco Inc. | T. B. Slick Estate A-485 #18442733091 | 7,970 |
| 473666Amendment | Feb 23, 1998 | Feb 23, 1998 | Conoco Inc. | Estate, T. B. Slick A-485 #18442733091 | 7,970 |
| 473663 | Feb 23, 1998 | Feb 23, 1998 | Oryx Energy Company | Hall, C. M. -A- #742731711 | 6,700 |
| 473391 | Feb 17, 1998 | Feb 17, 1998 | Paladin-Hayes, L.L.C. | Cameron Gas Unit #142701356 | 9,000 |
| 473391Amendment | Feb 17, 1998 | Feb 17, 1998 | Paladin-Hayes, L.L.C. | Cameron Gas Unit #142701356 | 9,000 |
| 473343 | Feb 13, 1998 | Feb 13, 1998 | Coastal Oil & Gas Corporation | Guerra GU "D" #942733088 | 15,500 |
| 473320 | Feb 13, 1998 | Feb 13, 1998 | Samedan Oil Corporation | Martinez -B- #5342733087 | 7,900 |
| 473220 | Feb 10, 1998 | Feb 10, 1998 | Oryx Energy Company | Montalvo, I. V. -C- #2842700596 | 4,789 |
| 473147 | Feb 9, 1998 | Feb 9, 1998 | Exxon Corp. | McGill Bros. #43242730244 | 6,630 |
| 473076 | Feb 6, 1998 | Feb 6, 1998 | Fina Oil & Chemical Company | Urschel, C. F. #742733085 | 8,000 |
| 473067 | Feb 6, 1998 | Feb 6, 1998 | Skrivanos Engineering, Inc. | Guerra #142733084 | 18,000 |
| 472783 | Jan 29, 1998 | Jan 29, 1998 | Oryx Energy Company | Hall, J. F. State -A #1342732095 | 8,305 |
| 472772 | Jan 29, 1998 | Jan 29, 1998 | Conoco Inc. | Slick, T. B. A-485 #18342733082 | 6,200 |
| 472771 | Jan 29, 1998 | Jan 29, 1998 | Conoco Inc. | Slick, T.B. Estate A-527 #18242733081 | 7,305 |
| 472687 | Jan 27, 1998 | Jan 27, 1998 | Samedan Oil Corporation | Martinez -B- #5242733080 | 7,700 |
| 472472 | Jan 21, 1998 | Jan 21, 1998 | Oryx Energy Company | Slick Estate -C- #1242733079 | 10,000 |
| 472472Amendment | Jan 21, 1998 | Jan 21, 1998 | Oryx Energy Company | Slick Estate -C- #1242733079 | 10,200 |
| 472471 | Jan 21, 1998 | Jan 21, 1998 | Oryx Energy Company | Slick Estate -C- #1142733078 | 10,000 |
| 472197 | Jan 21, 1998 | Jan 21, 1998 | Energy Development Corp. | Villarreal #20A42704514 | 5,850 |
| 472196 | Jan 21, 1998 | Jan 21, 1998 | Energy Development Corp. | Villarreal #2942700409 | 6,800 |
| 472307 | Jan 16, 1998 | Jan 16, 1998 | Samedan Oil Corporation | Martinez -B- #43R42733077 | 7,400 |
| 472164 | Jan 16, 1998 | Jan 16, 1998 | Barrett Brothers Oil & Gas, Inc. | Pirtle #142733076 | 9,000 |
| 472275 | Jan 15, 1998 | Jan 15, 1998 | Conoco Inc. | Slick, T.B. Estate A #17142732740 | 9,000 |
| 472204 | Jan 14, 1998 | Jan 14, 1998 | Fina Oil & Chemical Company | Slick, T. B. Estate #11842733074 | 6,500 |
| 472203 | Jan 14, 1998 | Jan 14, 1998 | Fina Oil & Chemical Company | Slick, T. B. Estate #12242733075 | 9,850 |
| 472203Amendment | Jan 14, 1998 | Jan 14, 1998 | Fina Oil & Chemical Company | Slick, T. B. Estate #12242733075 | 8,437 |
| 472170 | Jan 13, 1998 | Jan 13, 1998 | Greenbrier Oper. Co. | Guerra, F. B. #142732690 | 9,730 |
| 472067 | Jan 9, 1998 | Jan 9, 1998 | Edge Petroleum Oper. Co., Inc. | Roos et Al #142733073 | 1,500 |
| 472058 | Jan 9, 1998 | Jan 9, 1998 | Carrizo Oil & Gas, Inc. | La Brisa L & C Company #142732886 | 8,370 |
| 471934 | Jan 7, 1998 | Jan 7, 1998 | Tri-C Resources, Inc. | Coates #342733071 | 6,000 |
| 471934Amendment | Jan 7, 1998 | Jan 7, 1998 | Tri-C Resources, Inc. | Coates #342733071 | 5,610 |
| 471933 | Jan 7, 1998 | Jan 7, 1998 | Tri-C Resources, Inc. | Coates #442733072 | 6,000 |
| 471558 | Jan 5, 1998 | Jan 5, 1998 | Samedan Oil Corporation | Martinez -B- #4342732839 | 8,800 |
| 471701 | Dec 29, 1997 | Dec 29, 1997 | Sanchez-O'Brien Oil & Gas Corp. | State of Texas #142733070 | 15,500 |
| 471618 | Dec 23, 1997 | Dec 23, 1997 | Tri-C Resources, Inc. | Coates #142733010 | 5,765 |
| 470409 | Dec 23, 1997 | Dec 23, 1997 | Neuhaus, V. F. Properties, Inc. | Sheerin State Unit #4R42733062 | 1,200 |
| 471374 | Dec 17, 1997 | Dec 17, 1997 | Enron Oil & Gas Company | Nilo Shallow a GU #142732737 | 8,700 |
| 471373 | Dec 17, 1997 | Dec 17, 1997 | Enron Oil & Gas Company | Nilo Shallow a GU #442732758 | 7,750 |
| 471322 | Dec 17, 1997 | Dec 17, 1997 | Oryx Energy Company | Frost #A 142733069 | 4,700 |
| 471028 | Dec 11, 1997 | Dec 11, 1997 | Fina Oil & Chemical Company | Southwest Farm & Ranch-State #1242733067 | 10,500 |
| 471028Amendment | Dec 11, 1997 | Dec 11, 1997 | Fina Oil & Chemical Company | Southwest Farm & Ranch-State #1242733067 | 9,900 |
| 470972 | Dec 9, 1997 | Dec 9, 1997 | Glenn, Wayne E. & Assoc., Inc. | Slick, T B Estate 541 #142733068 | 5,700 |
| 470501 | Dec 5, 1997 | Dec 5, 1997 | Exxon Corp. | McGill Bros. #40542705087 | 4,985 |