| 536503 | Dec 8, 2004 | Dec 8, 2004 | Hanson Production Company | Hardin | T. P. Ranch #2ST | 12,500 | 19932787 |
| 544583 | Apr 14, 2004 | Apr 14, 2004 | Hanson Production Company | Hardin | T. P. Ranch #1L | 15,000 | 19932778 |
| 519203 | Apr 18, 2002 | Apr 18, 2002 | Hanson Production Company | Live Oak | Cobb Dot #1 | 11,165 | 29734268 |
| 516225 | Dec 18, 2001 | Dec 18, 2001 | Hanson Production Company | Fort Bend | Cinco Ranch 190 #1 | 10,000 | 15732172 |
| 516225Amendment | Dec 18, 2001 | Dec 18, 2001 | Hanson Production Company | Fort Bend | Cinco Ranch 190 #1 | 8,739 | 15732172 |
| 511138 | Jul 6, 2001 | Jul 6, 2001 | Hanson Production Company | Live Oak | Prasek #1 | 13,000 | 29734445 |
| 509626 | May 30, 2001 | May 30, 2001 | Hanson Production Company | Kenedy | Clark-Sain #2 | 13,000 | 26131271 |
| 504318 | Jan 19, 2001 | Jan 19, 2001 | Hanson Production Company | Live Oak | Burlington Fee 300 #2 | 12,000 | 29734415 |
| 499922 | Sep 21, 2000 | Sep 21, 2000 | Hanson Production Company | Fort Bend | H.L.F. 364 #1 | 14,000 | 15732117 |
| 499137 | Aug 31, 2000 | Aug 31, 2000 | Hanson Production Company | Hardin | T. P. Ranch #3 | 13,000 | 19932809 |
| 499137Amendment | Aug 31, 2000 | Aug 31, 2000 | Hanson Production Company | Hardin | T. P. Ranch #3 | 13,000 | 19932809 |
| 496434 | Aug 10, 2000 | Aug 10, 2000 | Hanson Production Company | Zapata | Cuellar, Fernando Est. #1 | 13,827 | 50533583 |
| 495008 | May 16, 2000 | May 16, 2000 | Hanson Production Company | Starr | State of Texas #6 | 8,648 | 42732391 |
| 493886 | Apr 7, 2000 | Apr 7, 2000 | Hanson Production Company | Live Oak | Burlington Fee 301 #1 | 15,000 | 29734393 |
| 491324 | Jan 21, 2000 | Jan 21, 2000 | Hanson Production Company | Kenedy | Clark-Sain #1 | 12,000 | 26131232 |
| 490935 | Jan 12, 2000 | Jan 12, 2000 | Hanson Production Company | Jasper | Arco Hughes #1 | 7,976 | 24130375 |
| 490918 | Jan 11, 2000 | Jan 11, 2000 | Hanson Production Company | Jasper | Arco Hughes #3 | 7,900 | 24130435 |
| 489491 | Nov 19, 1999 | Nov 19, 1999 | Hanson Production Company | Live Oak | Sanger Heirs 391 #2 | 12,500 | 29733441 |
| 485272 | Jun 28, 1999 | Jun 28, 1999 | Hanson Production Company | Jasper | Arco Hughes #1 | 7,976 | 24130375 |
| 477836 | Jul 10, 1998 | Jul 10, 1998 | Hanson Production Company | Goliad | Borchers #1 | 15,000 | 17533108 |
| 477836Amendment | Jul 10, 1998 | Jul 10, 1998 | Hanson Production Company | Goliad | Borchers Unit #1 | 15,650 | 17533108 |
| 475963 | May 15, 1998 | May 15, 1998 | Hanson Production Company | Jasper | Arco Hughes #1 | 7,976 | 24130375 |
| 460019 | Mar 18, 1997 | Mar 18, 1997 | Hanson Production Company | Live Oak | Sanger Heirs 392 "A" #2 | 16,000 | 29734237 |
| 458186 | Feb 6, 1997 | Feb 6, 1997 | Hanson Production Company | Tyler | Mann Fee 307 #1 | 11,500 | 45730510 |
| 457545 | Jan 17, 1997 | Jan 17, 1997 | Hanson Production Company | Harris | Josey Ranch Gas Unit # 2 #2R | 13,000 | 20132476 |
| 457108 | Jan 17, 1997 | Jan 17, 1997 | Hanson Production Company | Harris | Josey Ranch #6 | 7,550 | 20132428 |
| 455664 | Nov 26, 1996 | Nov 26, 1996 | Hanson Production Company | Live Oak | Hoskins Fee #1 | 14,000 | 29734222 |
| 453404 | Oct 3, 1996 | Oct 3, 1996 | Hanson Production Company | Harris | Josey Ranch "B" #1 | 14,000 | 20132468 |
| 452999 | Sep 26, 1996 | Sep 26, 1996 | Hanson Production Company | Jasper | Arco-Hughes #3 | 7,900 | 24130435 |
| 451625 | Aug 23, 1996 | Aug 23, 1996 | Hanson Production Company | Harris | Josey Ranch Gas Unit #3 #11 | 12,500 | 20132457 |
| 450777 | Jul 30, 1996 | Jul 30, 1996 | Hanson Production Company | Chambers | Acom, O. H. Estate #1 | 12,000 | 07132062 |
| 450741 | Jul 24, 1996 | Jul 24, 1996 | Hanson Production Company | Live Oak | Dougherty 222 #3 | 15,000 | 29734203 |
| 449975 | Jul 3, 1996 | Jul 3, 1996 | Hanson Production Company | Harris | Longenbaugh, Alta G. Est. #1 | 13,000 | 20132451 |
| 449369 | Jun 17, 1996 | Jun 17, 1996 | Hanson Production Company | Karnes | Hilbrich - Sellers #1 | 16,000 | 25531360 |
| 448283 | May 20, 1996 | May 20, 1996 | Hanson Production Company | Harris | Josey Ranch #10 | 13,000 | 20132449 |
| 446823 | Apr 10, 1996 | Apr 10, 1996 | Hanson Production Company | Harris | Josey Ranch #9 | 13,000 | 20132445 |
| 446057 | Mar 19, 1996 | Mar 19, 1996 | Hanson Production Company | Jefferson | Kiker #1 | 16,000 | 24532127 |
| 446057Amendment | Mar 19, 1996 | Mar 19, 1996 | Hanson Production Company | Jefferson | Kiker #1 | 18,000 | 24532127 |
| 445073 | Feb 22, 1996 | Feb 22, 1996 | Hanson Production Company | Harris | Josey Ranch #8 | 13,000 | 20132438 |
| 443716 | Jan 16, 1996 | Jan 16, 1996 | Hanson Production Company | Harris | Josey Ranch #7 | 12,000 | 20132435 |
| 441689 | Dec 22, 1995 | Dec 22, 1995 | Hanson Production Company | Starr | State of Texas #2 | 6,470 | 42732341 |
| 442775 | Dec 13, 1995 | Dec 13, 1995 | Hanson Production Company | Starr | Garcia, J. A. #1 | 12,000 | 42732812 |
| 442775Amendment | Dec 13, 1995 | Dec 13, 1995 | Hanson Production Company | Starr | Garcia, J. A. #1 | 12,000 | 42732812 |
| 441612 | Nov 8, 1995 | Nov 8, 1995 | Hanson Production Company | Harris | Josey Ranch #4 | 7,516 | 20132408 |
| 441016 | Oct 18, 1995 | Oct 18, 1995 | Hanson Production Company | Jackson | Texaco-Ploeger #1 | 12,000 | 23932874 |
| 441016Amendment | Oct 18, 1995 | Oct 18, 1995 | Hanson Production Company | Jackson | Texaco-Ploeger #1 | 14,000 | 23932874 |
| 441016Amendment | Oct 18, 1995 | Oct 18, 1995 | Hanson Production Company | Jackson | Texaco-Ploeger #1 | 15,500 | 23932874 |
| 439798 | Sep 21, 1995 | Sep 21, 1995 | Hanson Production Company | Karnes | Smith-Mumme G.U. #1 | 14,300 | 25531311 |
| 439682 | Sep 7, 1995 | Sep 7, 1995 | Hanson Production Company | Starr | Slick-State #1 | 9,800 | 42732794 |
| 439198 | Aug 24, 1995 | Aug 24, 1995 | Hanson Production Company | Starr | Slick, Earl F. #1 | 9,500 | 42732266 |
| 439198Amendment | Aug 24, 1995 | Aug 24, 1995 | Hanson Production Company | Starr | Slick, Earl F. #1 | 9,500 | 42732266 |
| 439197 | Aug 24, 1995 | Aug 24, 1995 | Hanson Production Company | Starr | Labrisa, Mayfair #4 | 7,925 | 42732479 |
| 439197Amendment | Aug 24, 1995 | Aug 24, 1995 | Hanson Production Company | Starr | Mayfair Labrisa #4 | 7,925 | 42732479 |
| 438980 | Aug 15, 1995 | Aug 15, 1995 | Hanson Production Company | Harris | Josey Ranch #6 | 8,000 | 20132428 |
| 438265 | Aug 1, 1995 | Aug 1, 1995 | Hanson Production Company | Tyler | Vastar Fee 307 #1 | 10,516 | 45730484 |
| 436814 | Jun 13, 1995 | Jun 13, 1995 | Hanson Production Company | Duval | Frost National Bank #1 | 6,000 | 13138040 |
| 436307 | May 26, 1995 | May 26, 1995 | Hanson Production Company | Harris | Josey Ranch #5 | 13,000 | 20132425 |
| 436307Amendment | May 26, 1995 | May 26, 1995 | Hanson Production Company | Harris | Josey Ranch #5 | 13,000 | 20132425 |
| 434932 | Apr 19, 1995 | Apr 19, 1995 | Hanson Production Company | Zapata | Vela, Humberto #1 | 7,200 | 50533302 |
| 434229 | Mar 30, 1995 | Mar 30, 1995 | Hanson Production Company | Colorado | Cason, George #2 | 3,890 | 08931642 |
| 432782 | Feb 14, 1995 | Feb 14, 1995 | Hanson Production Company | Starr | Bloomberg, Samuel D. #7 | 10,000 | 42732735 |
| 432782Amendment | Feb 14, 1995 | Feb 14, 1995 | Hanson Production Company | Starr | Bloomberg, Samuel D. #7 | 10,000 | 42732735 |
| 432667 | Feb 4, 1995 | Feb 4, 1995 | Hanson Production Company | Harris | Josey Ranch #4 | 8,000 | 20132408 |
| 432296 | Jan 30, 1995 | Jan 30, 1995 | Hanson Production Company | Starr | Bloomberg, Samuel D. #8 | 10,300 | 42732729 |
| 432296Amendment | Jan 30, 1995 | Jan 30, 1995 | Hanson Production Company | Starr | Bloomberg, Samuel D. #8 | 12,000 | 42732729 |
| 432296Amendment | Jan 30, 1995 | Jan 30, 1995 | Hanson Production Company | Starr | Bloomberg, Samuel D. #8 | 12,000 | 42732729 |
| 431258 | Jan 13, 1995 | Jan 13, 1995 | Hanson Production Company | Tyler | Vastar Fee 307 #2 | 11,000 | 45730493 |
| 431529 | Jan 3, 1995 | Jan 3, 1995 | Hanson Production Company | Jim Hogg | Lopez, Lauro #1 | 15,750 | 24732045 |
| 431529Amendment | Jan 3, 1995 | Jan 3, 1995 | Hanson Production Company | Jim Hogg | Lopez, Lauro #1 | 15,500 | 24732045 |
| 430307 | Nov 22, 1994 | Nov 22, 1994 | Hanson Production Company | Montgomery | Michel #1 | 13,500 | 33930901 |
| 430002 | Nov 15, 1994 | Nov 15, 1994 | Hanson Production Company | Webb | Benavides, R. V. #1459 | 11,500 | 47936223 |
| 430002Amendment | Nov 15, 1994 | Nov 15, 1994 | Hanson Production Company | Webb | Benavides, R. V. 459 #1 | 11,500 | 47936223 |
| 429224 | Oct 20, 1994 | Oct 20, 1994 | Hanson Production Company | De Witt | Riedel, L. O. #1 | 13,000 | 12331762 |
| 428704 | Sep 30, 1994 | Sep 30, 1994 | Hanson Production Company | Harris | Josey Ranch #3 | 14,700 | 20132399 |
| 427699 | Sep 2, 1994 | Sep 2, 1994 | Hanson Production Company | Karnes | Hall Gas Unit #3 | 12,500 | 25531343 |
| 426857 | Aug 17, 1994 | Aug 17, 1994 | Hanson Production Company | Brazoria | Schmidt #1 | 8,900 | 03932499 |
| 426857Amendment | Aug 17, 1994 | Aug 17, 1994 | Hanson Production Company | Brazoria | Schmidt #1 | 8,900 | 03932499 |
| 426483 | Aug 15, 1994 | Aug 15, 1994 | Hanson Production Company | Zapata | Perez-Ramirez #2 | 6,300 | 50533233 |
| 425640 | Jul 20, 1994 | Jul 20, 1994 | Hanson Production Company | Jim Hogg | Trevino, F. G. #1 A | 14,835 | 24731491 |
| 425639 | Jul 12, 1994 | Jul 12, 1994 | Hanson Production Company | Fort Bend | Cinco Ltd. #1 | 8,250 | 15731926 |
| 423427 | Jun 14, 1994 | Jun 14, 1994 | Hanson Production Company | Hardin | Arco-Hampton 30 #1 | 8,190 | 19932099 |
| 424511 | Jun 9, 1994 | Jun 9, 1994 | Hanson Production Company | Tyler | Vastar Fee 307 #1 | 12,000 | 45730484 |
| 424408 | Jun 3, 1994 | Jun 3, 1994 | Hanson Production Company | Harris | Josey Ranch #2 | 13,500 | 20132370 |
| 424408Amendment | Jun 3, 1994 | Jun 3, 1994 | Hanson Production Company | Harris | Josey Ranch #2 | 14,700 | 20132370 |
| 424408Amendment | Jun 3, 1994 | Jun 3, 1994 | Hanson Production Company | Harris | Josey Ranch Gas Unit #2 | 13,700 | 20132370 |
| 424408Amendment | Jun 3, 1994 | Jun 3, 1994 | Hanson Production Company | Harris | Josey Ranch Gas Unit #2 | 12,940 | 20132370 |
| 423773 | May 13, 1994 | May 13, 1994 | Hanson Production Company | McMullen | Lindholm 80 #3 | 7,973 | 31132937 |
| 423737 | May 9, 1994 | May 9, 1994 | Hanson Production Company | Karnes | Wood-Hall #1 | 13,750 | 25531339 |
| 422316 | Mar 29, 1994 | Mar 29, 1994 | Hanson Production Company | Starr | Bloomberg, Samuel D. #4 | 11,722 | 42732495 |
| 421604 | Feb 28, 1994 | Feb 28, 1994 | Hanson Production Company | Zapata | Perez-Ramirez #1 | 7,500 | 50533164 |
| 421374 | Feb 28, 1994 | Feb 28, 1994 | Hanson Production Company | Starr | State of Texas #8 | 8,655 | 42732442 |
| 421318 | Feb 22, 1994 | Feb 22, 1994 | Hanson Production Company | De Witt | Wood #1 | 14,750 | 12331749 |
| 421318Amendment | Feb 22, 1994 | Feb 22, 1994 | Hanson Production Company | De Witt | Wood #1ST | 15,200 | 12331749 |
| 421136 | Feb 16, 1994 | Feb 16, 1994 | Hanson Production Company | Starr | State of Texas #7 | 8,500 | 42732430 |
| 420990 | Feb 14, 1994 | Feb 14, 1994 | Hanson Production Company | Starr | Labrisa, Mayfair #4 | 7,925 | 42732479 |
| 420990Amendment | Feb 14, 1994 | Feb 14, 1994 | Hanson Production Company | Starr | Mayfair Labrisa #4 | 7,925 | 42732479 |
| 420357 | Jan 25, 1994 | Jan 25, 1994 | Hanson Production Company | Duval | Welder Heirs #1 | 11,200 | 13137895 |
| 420022 | Jan 12, 1994 | Jan 12, 1994 | Hanson Production Company | Live Oak | Garza #1 | 10,200 | 29734110 |
| 419278 | Dec 16, 1993 | Dec 16, 1993 | Hanson Production Company | Jasper | Hughes, M. B. #1 | 7,267 | 24100125 |
| 418529 | Nov 30, 1993 | Nov 30, 1993 | Hanson Production Company | Wharton | Stockton #1 | 8,700 | 48133670 |