| 487227 | Sep 2, 1999 | Sep 2, 1999 | Winn Exploration Co., Inc. | Stephens | County Line 7 #7 | 5,000 | 42935770 |
| 487227Amendment | Sep 2, 1999 | Sep 2, 1999 | Winn Exploration Co., Inc. | Stephens | County Line 7 #7 | 4,550 | 42935770 |
| 486218 | Jul 28, 1999 | Jul 28, 1999 | Winn Exploration Co., Inc. | Stephens | County Line "A" #6 | 4,316 | 42935764 |
| 485689 | Jul 7, 1999 | Jul 7, 1999 | Winn Exploration Co., Inc. | Stephens | County Line "a" Unit #5 | 4,315 | 42935758 |
| 485689Amendment | Jul 7, 1999 | Jul 7, 1999 | Winn Exploration Co., Inc. | Stephens | County Line "A" #5 | 4,315 | 42935758 |
| 485689Amendment | Jul 7, 1999 | Jul 7, 1999 | Winn Exploration Co., Inc. | Stephens | County Line "a" 5 Unit #5H | 4,315 | 42935758 |
| 485689Amendment | Jul 7, 1999 | Jul 7, 1999 | Winn Exploration Co., Inc. | Stephens | County Line "a" 5 #5H | 4,316 | 42935758 |
| 484948 | Jun 3, 1999 | Jun 3, 1999 | Winn Exploration Co., Inc. | Hidalgo | Garcia Heirs Unit #1 | 4,000 | 21532643 |
| 484645 | May 19, 1999 | May 19, 1999 | Winn Exploration Co., Inc. | Stephens | County Line "a" Unit #4 | 4,500 | 42935752 |
| 484645Amendment | May 19, 1999 | May 19, 1999 | Winn Exploration Co., Inc. | Stephens | County Line "a" Unit #4 | 4,315 | 42935752 |
| 484645Amendment | May 19, 1999 | May 19, 1999 | Winn Exploration Co., Inc. | Stephens | County Line "a" Unit #4H | 4,315 | 42935752 |
| 484645Amendment | May 19, 1999 | May 19, 1999 | Winn Exploration Co., Inc. | Stephens | County Line "a" Unit #4H | 4,315 | 42935752 |
| 483425 | May 18, 1999 | May 18, 1999 | Winn Exploration Co., Inc. | Victoria | Williams #2 | 6,200 | 46933215 |
| 483780 | Apr 12, 1999 | Apr 12, 1999 | Winn Exploration Co., Inc. | Victoria | Briggs #1 | 7,000 | 46933400 |
| 482766 | Feb 18, 1999 | Feb 18, 1999 | Winn Exploration Co., Inc. | San Patricio | Mayo #1 | 4,400 | 40932585 |
| 481667 | Dec 21, 1998 | Dec 21, 1998 | Winn Exploration Co., Inc. | Brooks | Myrick #1 | 11,000 | 04731840 |
| 478920 | Aug 21, 1998 | Aug 21, 1998 | Winn Exploration Co., Inc. | Jim Wells | Kibbe, Lucile #1 | 8,750 | 24932332 |
| 478719 | Aug 13, 1998 | Aug 13, 1998 | Winn Exploration Co., Inc. | Brooks | Rachal #1 | 9,200 | 04731821 |
| 478672 | Aug 11, 1998 | Aug 11, 1998 | Winn Exploration Co., Inc. | Bee | Kimball #1R | 9,200 | 02532907 |
| 477405 | Jun 24, 1998 | Jun 24, 1998 | Winn Exploration Co., Inc. | Jim Wells | Harlow Kibbe Unit I #1 | 7,500 | 24932326 |
| 477106 | Jun 12, 1998 | Jun 12, 1998 | Winn Exploration Co., Inc. | Bee | Kimball #1 | 9,200 | 02532897 |
| 476562 | May 22, 1998 | May 22, 1998 | Winn Exploration Co., Inc. | Jim Wells | Kibbe, Harlow #5 | 7,500 | 24932324 |
| 476561 | May 22, 1998 | May 22, 1998 | Winn Exploration Co., Inc. | Jim Wells | Kibbe, Harlow #4 | 7,500 | 24932325 |
| 476560 | May 22, 1998 | May 22, 1998 | Winn Exploration Co., Inc. | Jim Wells | Kibbe, Harlow #3 | 7,500 | 24932323 |
| 476559 | May 22, 1998 | May 22, 1998 | Winn Exploration Co., Inc. | Jim Wells | Kibbe, Harlow #2 | 7,500 | 24932322 |
| 476511 | May 21, 1998 | May 21, 1998 | Winn Exploration Co., Inc. | Jim Wells | Kibbe, Harlow #1 | 7,500 | 24932320 |
| 476272 | May 14, 1998 | May 14, 1998 | Winn Exploration Co., Inc. | Victoria | Williams #3 | 7,000 | 46933343 |
| 476075 | May 7, 1998 | May 7, 1998 | Winn Exploration Co., Inc. | Victoria | Rydolph Heirs #1 | 7,000 | 46933340 |
| 475798 | Apr 29, 1998 | Apr 29, 1998 | Winn Exploration Co., Inc. | Jim Wells | Moos #1 | 8,300 | 24932319 |
| 475458 | Apr 23, 1998 | Apr 23, 1998 | Winn Exploration Co., Inc. | Aransas | Fulton Beach #6 | 9,000 | 00730833 |
| 473946 | Mar 3, 1998 | Mar 3, 1998 | Winn Exploration Co., Inc. | Wilson | Biegert #1 | 2,500 | 49332477 |
| 472223 | Jan 15, 1998 | Jan 15, 1998 | Winn Exploration Co., Inc. | Gonzales | McGlothing/Chaffin #1 | 4,900 | 17732035 |
| 470152 | Nov 19, 1997 | Nov 19, 1997 | Winn Exploration Co., Inc. | Victoria | Williams #2 | 5,200 | 46933215 |
| 469177 | Oct 23, 1997 | Oct 23, 1997 | Winn Exploration Co., Inc. | Gonzales | Chaffin #1 | 4,900 | 17732027 |
| 468827 | Oct 14, 1997 | Oct 14, 1997 | Winn Exploration Co., Inc. | Jim Wells | Kaffie Location # 1 #1 | 8,300 | 24932309 |
| 465996Amendment | Aug 8, 1997 | Aug 8, 1997 | Winn Exploration Co., Inc. | Duval | Davy #1 | 4,850 | 13138206 |
| 465255 | Jul 22, 1997 | Jul 22, 1997 | Winn Exploration Co., Inc. | Jim Wells | Hinrichs-Cantrell #1 | 8,700 | 24932296 |
| 465255Amendment | Jul 22, 1997 | Jul 22, 1997 | Winn Exploration Co., Inc. | Jim Wells | Hinrichs-Cantrell #1 | 8,700 | 24932296 |
| 465254 | Jul 22, 1997 | Jul 22, 1997 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit 1 #5 | 7,000 | 24932295 |
| 464580 | Jul 8, 1997 | Jul 8, 1997 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit 1 #3 | 9,000 | 24932294 |
| 464579 | Jul 8, 1997 | Jul 8, 1997 | Winn Exploration Co., Inc. | Aransas | Fulton Beach #5 | 9,000 | 00730836 |
| 463403 | Jun 10, 1997 | Jun 10, 1997 | Winn Exploration Co., Inc. | Aransas | Fulton Beach "A" #7 | 9,000 | 00730835 |
| 463402 | Jun 10, 1997 | Jun 10, 1997 | Winn Exploration Co., Inc. | Aransas | Fulton Beach #4 | 9,000 | 00730834 |
| 463296 | Jun 6, 1997 | Jun 6, 1997 | Winn Exploration Co., Inc. | Maverick | Winn Fee #30HH | 3,100 | 32332504 |
| 463296Amendment | Jun 6, 1997 | Jun 6, 1997 | Winn Exploration Co., Inc. | Maverick | Winn Fee #30HH | 3,100 | 32332504 |
| 463252 | Jun 6, 1997 | Jun 6, 1997 | Winn Exploration Co., Inc. | Aransas | Fulton Beach #6 | 9,000 | 00730833 |
| 462650 | May 29, 1997 | May 29, 1997 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit 1 #4 | 9,000 | 24932292 |
| 460688 | Apr 7, 1997 | Apr 7, 1997 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit 1 #2 | 9,000 | 24932291 |
| 459193 | Feb 27, 1997 | Feb 27, 1997 | Winn Exploration Co., Inc. | Victoria | Williams #2 | 3,500 | 46933215 |
| 459193Amendment | Feb 27, 1997 | Feb 27, 1997 | Winn Exploration Co., Inc. | Victoria | Williams #2 | 6,200 | 46933215 |
| 459194 | Feb 26, 1997 | Feb 26, 1997 | Winn Exploration Co., Inc. | Nueces | Simcik #1A | 5,100 | 35533071 |
| 458492Amendment | Feb 10, 1997 | Feb 10, 1997 | Winn Exploration Co., Inc. | Aransas | Aransas County Airport #1 | 10,740 | 00730826 |
| 458111 | Feb 3, 1997 | Feb 3, 1997 | Winn Exploration Co., Inc. | Jim Wells | Wortley Unit 3 #1 | 7,500 | 24903446 |
| 455305Amendment | Nov 18, 1996 | Nov 18, 1996 | Winn Exploration Co., Inc. | Aransas | Aca "A" #1 | 11,437 | 00730828 |
| 453066 | Oct 3, 1996 | Oct 3, 1996 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit #2 | 7,340 | 24932270 |
| 453170 | Sep 26, 1996 | Sep 26, 1996 | Winn Exploration Co., Inc. | Victoria | Williams Unit #1 | 3,400 | 46933190 |
| 453169 | Sep 26, 1996 | Sep 26, 1996 | Winn Exploration Co., Inc. | De Witt | John Means Unit #1 | 3,900 | 12331783 |
| 447896 | May 8, 1996 | May 8, 1996 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit #2 | 9,000 | 24932270 |
| 447896Amendment | May 8, 1996 | May 8, 1996 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit #2 | 9,000 | 24932270 |
| 447896Amendment | May 8, 1996 | May 8, 1996 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit #2 | 9,000 | 24932270 |
| 447896Amendment | May 8, 1996 | May 8, 1996 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit No. 2 #1 | 9,000 | 24932270 |
| 444529 | Feb 5, 1996 | Feb 5, 1996 | Winn Exploration Co., Inc. | Jim Wells | Scott & Lafferty #1 | 9,000 | 24932256 |
| 444529Amendment | Feb 5, 1996 | Feb 5, 1996 | Winn Exploration Co., Inc. | Jim Wells | Scott & Lafferty #1 | 9,000 | 24932256 |
| 444529Amendment | Feb 5, 1996 | Feb 5, 1996 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit #1 | 9,000 | 24932256 |
| 444529Amendment | Feb 5, 1996 | Feb 5, 1996 | Winn Exploration Co., Inc. | Jim Wells | Scott & Hernandez Unit No. 1 #1 | 9,000 | 24932256 |
| 441018 | Oct 18, 1995 | Oct 18, 1995 | Winn Exploration Co., Inc. | Bee | Scott Ranch #1 | 4,000 | 02532745 |
| 421292 | Feb 18, 1994 | Feb 18, 1994 | Winn Exploration Co., Inc. | Zavala | Angela #2H | 6,700 | 50732481 |
| 419345 | Dec 15, 1993 | Dec 15, 1993 | Winn Exploration Co., Inc. | Zavala | Pryor Ranch #182 | 3,156 | 50731908 |
| 416614 | Oct 1, 1993 | Oct 1, 1993 | Winn Exploration Co., Inc. | Zavala | Angela #2H | 7,000 | 50732481 |
| 410386 | Apr 1, 1993 | Apr 1, 1993 | Winn Exploration Co., Inc. | De Witt | Rabke #1 | 13,200 | 12331727 |
| 410386Amendment | Apr 1, 1993 | Apr 1, 1993 | Winn Exploration Co., Inc. | De Witt | Rabke #1 | 13,000 | 12331727 |
| 410386Amendment | Apr 1, 1993 | Apr 1, 1993 | Winn Exploration Co., Inc. | De Witt | Rabke #1 | 13,275 | 12331727 |
| 410386Amendment | Apr 1, 1993 | Apr 1, 1993 | Winn Exploration Co., Inc. | De Witt | Rabke #1 | 13,275 | 12331727 |
| 408987 | Feb 12, 1993 | Feb 12, 1993 | Winn Exploration Co., Inc. | Zavala | Pryor Ranch #192 | 3,000 | 50732467 |
| 406406 | Nov 20, 1992 | Nov 20, 1992 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #12H | 7,000 | 50732271 |
| 405519 | Nov 2, 1992 | Nov 2, 1992 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #31H | 7,000 | 50732463 |
| 405502 | Oct 30, 1992 | Oct 30, 1992 | Winn Exploration Co., Inc. | Zavala | Leta Glasscock #25H | 6,400 | 50732323 |
| 405272 | Oct 27, 1992 | Oct 27, 1992 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #23H | 7,000 | 50732322 |
| 404125 | Oct 1, 1992 | Oct 1, 1992 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #28H | 6,800 | 50732335 |
| 399455 | May 19, 1992 | May 19, 1992 | Winn Exploration Co., Inc. | Zavala | Johnson, M. #1 | 4,500 | 50732451 |
| 398057 | Apr 3, 1992 | Apr 3, 1992 | Winn Exploration Co., Inc. | Menard | Winn/Wilkinson #1 | 2,500 | 32730749 |
| 393109 | Oct 21, 1991 | Oct 21, 1991 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #1D | 4,900 | 50732430 |
| 384731 | Feb 15, 1991 | Feb 15, 1991 | Winn Exploration Co., Inc. | Zavala | Johnson #1H | 6,800 | 50732370 |
| 382712 | Dec 21, 1990 | Dec 21, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #37H | 6,500 | 50732396 |
| 382531 | Dec 18, 1990 | Dec 18, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #5205 | 5,000 | 50730358 |
| 382317 | Dec 13, 1990 | Dec 13, 1990 | Winn Exploration Co., Inc. | Zavala | Angela #1H | 7,000 | 50732394 |
| 380651 | Nov 6, 1990 | Nov 6, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock "A" #1H | 7,000 | 50732362 |
| 380583 | Nov 2, 1990 | Nov 2, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #13H | 9,000 | 50732275 |
| 379252 | Oct 17, 1990 | Oct 17, 1990 | Winn Exploration Co., Inc. | Zavala | Johnson #3H | 7,000 | 50732381 |
| 379251 | Oct 16, 1990 | Oct 16, 1990 | Winn Exploration Co., Inc. | Zavala | Johnson #2H | 7,000 | 50732380 |
| 378786 | Oct 3, 1990 | Oct 3, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #35H | 7,000 | 50732374 |
| 378785 | Oct 3, 1990 | Oct 3, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #34H | 7,000 | 50732373 |
| 378787 | Oct 2, 1990 | Oct 2, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #36H | 7,000 | 50732375 |
| 378103 | Sep 17, 1990 | Sep 17, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock "A" #2H | 7,000 | 50732370 |
| 378103Amendment | Sep 17, 1990 | Sep 17, 1990 | Winn Exploration Co., Inc. | Zavala | Johnson #1H | 7,000 | 50732370 |
| 377571 | Sep 6, 1990 | Sep 6, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #33H | 7,000 | 50732367 |
| 377571Amendment | Sep 6, 1990 | Sep 6, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #33H | 6,150 | 50732367 |
| 377245 | Aug 28, 1990 | Aug 28, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #32H | 7,000 | 50732365 |
| 377116 | Aug 27, 1990 | Aug 27, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock "A" #1H | 7,000 | 50732362 |
| 375367 | Jul 10, 1990 | Jul 10, 1990 | Winn Exploration Co., Inc. | Zavala | Glasscock, Leta #30H | 7,000 | 50732349 |