| 473864 | Feb 27, 1998 | Feb 27, 1998 | Dreyfus, Louis Natural Gas Corp | State Tract 525-L SE/4 #170330384 | 10,900 |
| 473864Amendment | Feb 27, 1998 | Feb 27, 1998 | Dreyfus, Louis Natural Gas Corp | State Tract 558 NE/4 #170330384 | 10,900 |
| 472943 | Feb 4, 1998 | Feb 4, 1998 | Dreyfus, Louis Natural Gas Corp | State Tract 485 - L S/2 NE/4 #170330383 | 8,500 |
| 472943Amendment | Feb 4, 1998 | Feb 4, 1998 | Dreyfus, Louis Natural Gas Corp | State Tract 485 - L S/2 NE/4 #170330383 | 8,500 |
| 469478 | Oct 31, 1997 | Oct 31, 1997 | Sharpe Energy Company | State of Texas 582-S G. U. #370330123 | 6,893 |
| 469436 | Oct 29, 1997 | Oct 29, 1997 | Dreyfus, Louis Natural Gas Corp | State Tract 559-L SE/4 #170330382 | 9,100 |
| 469435 | Oct 29, 1997 | Oct 29, 1997 | Dreyfus, Louis Natural Gas Corp | State Tract 560-L NW/4 #170330381 | 7,800 |
| 469309 | Oct 28, 1997 | Oct 28, 1997 | King Ranch Oil & Gas, Inc. | S.L. MF098180 #170330380 | 13,579 |
| 469309Amendment | Oct 28, 1997 | Oct 28, 1997 | King Ranch Oil & Gas, Inc. | S.L. MF098180 #170330380 | 13,579 |
| 450716 | Jul 23, 1996 | Jul 23, 1996 | Bellwether Exploration Company | Cove - McPac Gas Unit #170330379 | 8,800 |
| 447747 | May 2, 1996 | May 2, 1996 | Torch Operating Company | State Tract 485 - L #570330271 | 6,788 |
| 447747Amendment | May 2, 1996 | May 2, 1996 | Torch Operating Company | State Tract 485-L #570330271 | 6,788 |
| 446887 | Apr 18, 1996 | Apr 18, 1996 | W & T Offshore, Inc. | State Tract 558-L M92805 #270330372 | 9,440 |
| 439563 | Sep 29, 1995 | Sep 29, 1995 | Hampton Resources Corporation | Texas Gulf 57686 #1270330378 | 9,500 |
| 439563Amendment | Sep 29, 1995 | Sep 29, 1995 | Hampton Resources Corporation | Texas Gulf 57686 #1270330378 | 9,500 |
| 439563Amendment | Sep 29, 1995 | Sep 29, 1995 | Hampton Resources Corporation | Texas Gulf 57686 #1270330378 | 9,500 |
| 439563Amendment | Sep 29, 1995 | Sep 29, 1995 | Hampton Resources Corporation | Texas Gulf 57686 #1270330378 | 9,500 |
| 439562 | Sep 1, 1995 | Sep 1, 1995 | Hampton Resources Corporation | Texas Gulf 57686 #1570330377 | 9,000 |
| 439562Amendment | Sep 1, 1995 | Sep 1, 1995 | Bellwether Exploration Company | Texas Gulf 57686 #1570330377 | 9,500 |
| 439562Amendment | Sep 1, 1995 | Sep 1, 1995 | Bellwether Exploration Company | Texas Gulf 57686 #1270330377 | 9,500 |
| 439562Amendment | Sep 1, 1995 | Sep 1, 1995 | Bellwether Exploration Company | Texas Gulf 57686 #1270330377 | 9,500 |
| 438571 | Aug 7, 1995 | Aug 7, 1995 | W & T Offshore, Inc. | SL M-92805 Unit #1ST70330370 | 8,700 |
| 438179 | Jul 25, 1995 | Jul 25, 1995 | W & T Offshore, Inc. | SL M-92805 Unit #270330372 | 9,418 |
| 433775 | Mar 15, 1995 | Mar 15, 1995 | Dalen Resources Oil & Gas Co. | State Tract 520-L SE/4 #470330371 | 14,363 |
| 426614 | Aug 15, 1994 | Aug 15, 1994 | Pg&e Resources Offshore Company | State Tract 520-Lne/4 #370330376 | 14,500 |
| 426603 | Aug 4, 1994 | Aug 4, 1994 | W & T Offshore, Inc. | SL M-92805 Unit #270330372 | 9,440 |
| 423477 | May 2, 1994 | May 2, 1994 | Santa FE Energy Resources, Inc. | State Lease 90621 #570330375 | 9,215 |
| 423468 | May 2, 1994 | May 2, 1994 | CNG Producing Company | O&G Lease M95297 #170330374 | 10,000 |
| 418318 | Jan 19, 1994 | Jan 19, 1994 | Hampton Resources Corporation | T.G. 57686 #1270330373 | 8,950 |
| 415247 | Aug 25, 1993 | Aug 25, 1993 | Buttes Resources Company | State Tract 563-L #570330333 | 7,340 |
| 413796 | Jul 15, 1993 | Jul 15, 1993 | W & T Offshore, Inc. | SL M-92805 Unit #270330372 | 9,000 |
| 413796Amendment | Jul 15, 1993 | Jul 15, 1993 | W & T Offshore, Inc. | SL M-92805 Unit #270330372 | 10,500 |
| 413796Amendment | Jul 15, 1993 | Jul 15, 1993 | W & T Offshore, Inc. | SL M-92805 Unit #270330372 | 9,418 |
| 413397 | Jul 8, 1993 | Jul 8, 1993 | Torch Operating Company | State Tract 485-L #670330276 | 7,700 |
| 408789 | Feb 10, 1993 | Feb 10, 1993 | Pg&e Resources Offshore Company | State Tract 520-L SE/4 #470330371 | 15,500 |
| 408789Amendment | Feb 10, 1993 | Feb 10, 1993 | Pg&e Resources Offshore Company | State Tract 520-L SE/4 #470330371 | 14,500 |
| 403590 | Sep 17, 1992 | Sep 17, 1992 | W & T Offshore, Inc. | SL M-92805 Unit #170330370 | 9,000 |
| 403590Amendment | Sep 17, 1992 | Sep 17, 1992 | W & T Offshore, Inc. | SL M-92805 Unit #170330370 | 9,000 |
| 403590Amendment | Sep 17, 1992 | Sep 17, 1992 | W & T Offshore, Inc. | SL M-92805 Unit #170330370 | 8,564 |
| 402204 | Aug 14, 1992 | Aug 14, 1992 | Santa FE Energy Resources, Inc. | State Lease 90621 #370330367 | 9,275 |
| 402203 | Aug 14, 1992 | Aug 14, 1992 | Santa FE Energy Resources, Inc. | State Lease 90621 #0470330368 | 9,600 |
| 402203Amendment | Aug 14, 1992 | Aug 14, 1992 | Santa FE Energy Resources, Inc. | State Lease 90621 #470330368 | 10,700 |
| 396215 | Feb 20, 1992 | Feb 20, 1992 | Brehm Investment Group, Inc. | Matagorda Island 582-S #370330123 | 6,893 |
| 388614 | Jun 14, 1991 | Jun 14, 1991 | Corpus Christi Oil & Gas Co. | State Tract 520-L NE/4 #370330366 | 14,500 |
| 388047 | May 21, 1991 | May 21, 1991 | Corpus Christi Oil & Gas Co. | State Tract 520-L SW/4 #970330069 | 12,981 |
| 381071 | Nov 26, 1990 | Nov 26, 1990 | Adobe Resources Corporation | State Lease 90621 #270330365 | 12,000 |
| 380779 | Nov 13, 1990 | Nov 13, 1990 | Bridge Oil Company, L. P. | S. T. 660-L NE/4 #170330364 | 6,500 |
| 373006 | May 7, 1990 | May 7, 1990 | Buttes Resources Company | State Tract 562-L #2X70330331 | 9,000 |
| 372922 | May 3, 1990 | May 3, 1990 | Buttes Resources Company | State Tract 562-L #1X70330320 | 9,000 |
| 372922Amendment | May 3, 1990 | May 3, 1990 | Buttes Resources Company | State Tract 562-L #1X70330320 | 10,500 |
| 368730 | Jan 17, 1990 | Jan 17, 1990 | Buttes Resources Company | State Tract 562-L #2L70330331 | 7,007 |
| 368668 | Jan 15, 1990 | Jan 15, 1990 | Kilroy Company of Texas, Inc. | State Tract 485-L #370330245 | 9,138 |
| 365039 | Nov 8, 1989 | Nov 8, 1989 | American Exploration Company | State Tract 629-L SW/4 #270330279 | 5,159 |
| 365980 | Nov 7, 1989 | Nov 7, 1989 | Seagull Energy E&P Inc. | State Tract 481 #170330363 | 9,000 |
| 362855 | Aug 17, 1989 | Aug 17, 1989 | TXO Production Corp. | State Lease 90621 #170330357 | 8,400 |
| 353480 | Nov 22, 1988 | Nov 22, 1988 | Conquest Exploration Company | State Tract 562-L #2L70330331 | 7,007 |
| 350808 | Sep 7, 1988 | Sep 7, 1988 | FMP Operating Company, Ltd PTN | SL 92799 #170330362 | 7,307 |
| 350801 | Sep 2, 1988 | Sep 2, 1988 | Mobil Producing TX. & N.M. Inc. | M93070 #170330361 | 9,300 |
| 350801Amendment | Sep 2, 1988 | Sep 2, 1988 | Mobil Producing TX. & N.M. Inc. | M93070 #170330361 | 10,000 |
| 350652 | Aug 30, 1988 | Aug 30, 1988 | FMP Operating Company, Ltd PTN | SL 89457 #170330360 | 6,283 |
| 350652Amendment | Aug 30, 1988 | Aug 30, 1988 | FMP Operating Company, Ltd PTN | SL 89457 #170330360 | 6,702 |
| 348137 | Jun 24, 1988 | Jun 24, 1988 | TXO Production Corp. | Ocs-G 7194 #170330359 | 9,450 |
| 348137Amendment | Jun 24, 1988 | Jun 24, 1988 | TXO Production Corp. | Ocs-G 7194 #170330359 | 9,450 |
| 345174 | Apr 15, 1988 | Apr 15, 1988 | Primary Fuels, Inc. | State Tract 520-L, SE/4 #470330358 | 15,000 |
| 343177 | Feb 25, 1988 | Feb 25, 1988 | TXO Production Corp. | State Lease 90621 #170330357 | 9,500 |
| 343055 | Feb 24, 1988 | Feb 24, 1988 | Hughes Texas Petroleum | NE/4 State Tract 564-L #170330356 | 11,800 |
| 342008 | Feb 1, 1988 | Feb 1, 1988 | Corpus Christi Oil & Gas Co. | State Tract 138-A #305731453 | 6,500 |
| 342008Amendment | Feb 1, 1988 | Feb 1, 1988 | Corpus Christi Oil & Gas Co. | State Tract 138-A #305731453 | 6,500 |
| 340285 | Dec 17, 1987 | Dec 17, 1987 | Hughes Texas Petroleum | NW/4 State Tract 521-L #170330354 | 10,500 |
| 340285Amendment | Dec 17, 1987 | Dec 17, 1987 | Hughes Texas Petroleum | NW/4 State Tract 521-L #170330354 | 10,500 |
| 340285Amendment | Dec 17, 1987 | Dec 17, 1987 | Hughes Texas Petroleum | NW/4 State Tract 521-L #170330354 | 12,000 |
| 337436 | Oct 19, 1987 | Oct 19, 1987 | Texaco Inc. | State Tract 721-L (M-77985) #170330182 | 11,732 |
| 337383 | Oct 15, 1987 | Oct 15, 1987 | Conquest Exploration Company | State Tract 563-L #470330328 | 8,495 |
| 336401 | Oct 9, 1987 | Oct 9, 1987 | Kilroy Company of Texas, Inc. | State Tract 485-L #370330245 | 9,138 |
| 336962 | Oct 7, 1987 | Oct 7, 1987 | Amoco Production Company | State Tract 524L NE 1/4 #170330353 | 10,200 |
| 334547 | Aug 19, 1987 | Aug 19, 1987 | Primary Fuels, Inc. | State Tract 520-L, SE/4 #370330352 | 16,500 |
| 334547Amendment | Aug 19, 1987 | Aug 19, 1987 | Primary Fuels, Inc. | State Tract 520-L, SE/4 #370330352 | 17,500 |
| 331816 | Jul 17, 1987 | Jul 17, 1987 | H R K Oil & Gas Inc. | State Tract 592-L SE/4 #270330351 | 8,500 |
| 330975 | Jun 9, 1987 | Jun 9, 1987 | Walter Oil & Gas Corporation | State Tract 525-L SE/4 #170330350 | 9,300 |
| 328496 | Apr 7, 1987 | Apr 7, 1987 | Tenneco Oil Company-Tgcd | State Tract 526-L SW/4 #2TA70330349 | 4,000 |
| 326726 | Feb 19, 1987 | Feb 19, 1987 | Corpus Christi Oil & Gas Co. | State Tract 628-L,se/4 #770330323 | 5,459 |
| 325891 | Jan 27, 1987 | Jan 27, 1987 | Tenneco Oil Company-Tgcd | State Tract 526-L SW/4 #1TA70330348 | 4,000 |
| 325132 | Jan 6, 1987 | Jan 6, 1987 | Mobil Producing TX. & N.M. Inc. | Texas Gulf 57686 #1170330347 | 8,860 |
| 323088 | Nov 14, 1986 | Nov 14, 1986 | Mobil Producing TX. & N.M. Inc. | Texas Gulf 57686 #1070330346 | 9,055 |
| 323088Amendment | Nov 14, 1986 | Nov 14, 1986 | Mobil Producing TX. & N.M. Inc. | Texas Gulf 57686 #1070330346 | 10,500 |
| 320522 | Sep 16, 1986 | Sep 16, 1986 | Conquest Exploration Company | State Tract 563-L #570330333 | 8,500 |
| 304132 | Jul 15, 1986 | Jul 15, 1986 | Genesis Petroleum Corporation | SE/4 of State Tract 487L #170330345 | 12,000 |
| 303694 | Jun 30, 1986 | Jun 30, 1986 | Corpus Christi Oil & Gas Co. | State Tract 659-L SW/4 #170330210 | 6,389 |
| 302476 | May 23, 1986 | May 23, 1986 | Huber, J. M., Corporation | State Tract 559L #170330344 | 6,000 |
| 300724 | Apr 4, 1986 | Apr 4, 1986 | Houston Oil & Minerals Corp. | S. T. 526-L SW/4 #2TC70330343 | 13,000 |
| 297389 | Feb 11, 1986 | Feb 11, 1986 | Mobil Producing TX. & N.M. Inc. | Texas Gulf 57686 #970330342 | 9,290 |
| 290967 | Nov 19, 1985 | Nov 19, 1985 | Kilroy Company of Texas, Inc. | State Tract 485-L #670330276 | 8,210 |
| 289069 | Nov 5, 1985 | Nov 5, 1985 | Kilroy Company of Texas, Inc. | State Tract 485-L #470330246 | 8,300 |
| 275068 | May 16, 1985 | May 16, 1985 | Corpus Christi Oil & Gas Co. | State Tract 721-L, SW/4 #870330341 | 8,000 |
| 274102 | May 1, 1985 | May 1, 1985 | Conquest Exploration Company | State Tract 563-L #570330333 | 8,500 |
| 272755 | Apr 19, 1985 | Apr 19, 1985 | Amoco Production Company | State Tract 487-L SW/4 Lse 88562 #270330340 | 17,000 |
| 267062 | Feb 15, 1985 | Feb 15, 1985 | Conquest Exploration Company | State Tract 563-L #670330339 | 11,300 |
| 263200 | Jan 8, 1985 | Jan 8, 1985 | Conquest Exploration Company | State Tract 562-L #570330338 | 8,600 |
| 263465 | Dec 31, 1984 | Dec 31, 1984 | Corpus Christi Oil & Gas Co. | State Tract 691-L SE/4 #370330336 | 7,500 |
| 261101 | Dec 12, 1984 | Dec 12, 1984 | Seagull Energy E&P Inc. | State Tract 483-L (NE/4) #170330335 | 8,368 |