| 399207 | May 14, 1992 | May 14, 1992 | Tana Oil and Gas Corporation | Fayette | Brady Oil Unit #1H | 8,700 | 14932624 |
| 399187 | May 14, 1992 | May 14, 1992 | Tana Oil and Gas Corporation | Live Oak | Lennox #3 | 4,000 | 29734022 |
| 397904 | Mar 31, 1992 | Mar 31, 1992 | Tana Oil and Gas Corporation | Fayette | Schweinle Oil Unit #1H | 13,500 | 14932608 |
| 397904Amendment | Mar 31, 1992 | Mar 31, 1992 | Tana Oil and Gas Corporation | Fayette | Schweinle Oil Unit #1H | 13,500 | 14932608 |
| 397894 | Mar 31, 1992 | Mar 31, 1992 | Tana Oil and Gas Corporation | Fayette | Loessin Oil Unit #1H | 14,500 | 14932609 |
| 397894Amendment | Mar 31, 1992 | Mar 31, 1992 | Tana Oil and Gas Corporation | Fayette | Loessin Oil Unit #1H | 14,500 | 14932609 |
| 397894Amendment | Mar 31, 1992 | Mar 31, 1992 | Tana Oil and Gas Corporation | Fayette | Loessin Oil Unit #1H | 9,950 | 14932609 |
| 397853 | Mar 30, 1992 | Mar 30, 1992 | Tana Oil and Gas Corporation | Fayette | James Oil Unit #1H | 14,000 | 14932607 |
| 397769 | Mar 27, 1992 | Mar 27, 1992 | Tana Oil and Gas Corporation | Live Oak | West, Clay #5A | 3,999 | 29734013 |
| 397400 | Mar 24, 1992 | Mar 24, 1992 | Tana Oil and Gas Corporation | Live Oak | West, Clay #4A | 3,999 | 29734011 |
| 397400Amendment | Mar 24, 1992 | Mar 24, 1992 | Tana Oil and Gas Corporation | Live Oak | West, Clay #4A | 3,999 | 29734011 |
| 396529 | Feb 12, 1992 | Feb 12, 1992 | Tana Oil and Gas Corporation | Fayette | Garth Bates Oil Unit #2 #2H | 8,900 | 14932584 |
| 396529Amendment | Feb 12, 1992 | Feb 12, 1992 | Tana Oil and Gas Corporation | Fayette | Garth Bates Oil Unit #2 #2H | 8,900 | 14932584 |
| 396529Amendment | Feb 12, 1992 | Feb 12, 1992 | Tana Oil and Gas Corporation | Fayette | Garth Bates Oil Unit #2 #2H | 9,150 | 14932584 |
| 396495 | Feb 11, 1992 | Feb 11, 1992 | Tana Oil and Gas Corporation | Fayette | Scott Morgan Oil Unit #1H | 9,600 | 14932582 |
| 396495Amendment | Feb 11, 1992 | Feb 11, 1992 | Tana Oil and Gas Corporation | Fayette | Scott Morgan Oil Unit #1H | 9,600 | 14932582 |
| 396495Amendment | Feb 11, 1992 | Feb 11, 1992 | Tana Oil and Gas Corporation | Fayette | Scott Morgan Oil Unit #1H | 9,800 | 14932582 |
| 396439 | Feb 6, 1992 | Feb 6, 1992 | Tana Oil and Gas Corporation | Fayette | Elliott Oil Unit #3 #3H | 9,800 | 14932581 |
| 396104 | Jan 27, 1992 | Jan 27, 1992 | Tana Oil and Gas Corporation | Fayette | Ruisinger #1H | 8,400 | 14932573 |
| 396104Amendment | Jan 27, 1992 | Jan 27, 1992 | Tana Oil and Gas Corporation | Fayette | Ruisinger #1H | 8,400 | 14932573 |
| 396104Amendment | Jan 27, 1992 | Jan 27, 1992 | Tana Oil and Gas Corporation | Fayette | Ruisinger #1H | 8,650 | 14932573 |
| 396103 | Jan 27, 1992 | Jan 27, 1992 | Tana Oil and Gas Corporation | Fayette | M & B Oil Unit #1H | 9,800 | 14932574 |
| 396103Amendment | Jan 27, 1992 | Jan 27, 1992 | Tana Oil and Gas Corporation | Fayette | M & B Oil Unit #1H | 9,800 | 14932574 |
| 396102 | Jan 27, 1992 | Jan 27, 1992 | Tana Oil and Gas Corporation | Fayette | Keeland #1H | 9,400 | 14932575 |
| 396102Amendment | Jan 27, 1992 | Jan 27, 1992 | Tana Oil and Gas Corporation | Fayette | Keeland #1H | 9,507 | 14932575 |
| 395196 | Dec 23, 1991 | Dec 23, 1991 | Tana Oil and Gas Corporation | Fayette | Niemeyer Oil Unit #1H | 14,000 | 14932562 |
| 395195 | Dec 23, 1991 | Dec 23, 1991 | Tana Oil and Gas Corporation | Fayette | Neill Oil Unit #1H | 12,500 | 14932563 |
| 394820 | Dec 16, 1991 | Dec 16, 1991 | Tana Oil and Gas Corporation | Live Oak | West, Clay #3A | 3,999 | 29734001 |
| 394819 | Dec 12, 1991 | Dec 12, 1991 | Tana Oil and Gas Corporation | Fayette | Vaclavik Oil Unit #1H | 1,400 | 14932555 |
| 394173 | Dec 3, 1991 | Dec 3, 1991 | Tana Oil and Gas Corporation | Gonzales | Glass Oil Unit #1H | 6,900 | 17731953 |
| 394012 | Nov 19, 1991 | Nov 19, 1991 | Tana Oil and Gas Corporation | Fayette | Brown Oil Unit #1H | 12,500 | 14932543 |
| 394012Amendment | Nov 19, 1991 | Nov 19, 1991 | Tana Oil and Gas Corporation | Fayette | Brown Oil Unit #1H | 12,500 | 14932543 |
| 393862 | Nov 14, 1991 | Nov 14, 1991 | Tana Oil and Gas Corporation | Fayette | Rightmer Oil Unit #2 #2H | 12,500 | 14932540 |
| 393862Amendment | Nov 14, 1991 | Nov 14, 1991 | Tana Oil and Gas Corporation | Fayette | Rightmer Oil Unit #2 #2H | 12,500 | 14932540 |
| 393399 | Nov 4, 1991 | Nov 4, 1991 | Tana Oil and Gas Corporation | Fayette | Elliott Oil Unit #2 #2H | 9,600 | 14932534 |
| 393399Amendment | Nov 4, 1991 | Nov 4, 1991 | Tana Oil and Gas Corporation | Fayette | Elliott Oil Unit #2 #2H | 14,000 | 14932534 |
| 393400 | Oct 31, 1991 | Oct 31, 1991 | Tana Oil and Gas Corporation | Fayette | Elliott Oil Unit #1H | 9,600 | 14932533 |
| 393083 | Oct 23, 1991 | Oct 23, 1991 | Tana Oil and Gas Corporation | Live Oak | Clay West #2A | 3,999 | 29733996 |
| 392825 | Oct 22, 1991 | Oct 22, 1991 | Tana Oil and Gas Corporation | Gonzales | Griffin-Ruddock Oil Unit #1H | 14,000 | 17731950 |
| 392825Amendment | Oct 22, 1991 | Oct 22, 1991 | Tana Oil and Gas Corporation | Gonzales | Griffin-Ruddock Oil Unit #1H | 14,000 | 17731950 |
| 391683 | Sep 9, 1991 | Sep 9, 1991 | Tana Oil and Gas Corporation | Fayette | Syler Oil Unit #1H | 12,500 | 14932504 |
| 390660 | Aug 9, 1991 | Aug 9, 1991 | Tana Oil and Gas Corporation | Fayette | Garth Bates Oil Unit #1H | 13,000 | 14932488 |
| 390660Amendment | Aug 9, 1991 | Aug 9, 1991 | Tana Oil and Gas Corporation | Fayette | Garth Bates Oil Unit #1H | 9,500 | 14932488 |
| 389246 | Jun 28, 1991 | Jun 28, 1991 | Tana Oil and Gas Corporation | Gonzales | Culpepper Oil Unit # 2 #2 BH | 12,000 | 17731932 |
| 388865 | Jun 12, 1991 | Jun 12, 1991 | Tana Oil and Gas Corporation | Gonzales | Perkins Oil Unit #1H | 12,500 | 17731930 |
| 388864 | Jun 12, 1991 | Jun 12, 1991 | Tana Oil and Gas Corporation | Fayette | Rightmer Oil Unit #1H | 13,500 | 14932465 |
| 387711 | May 17, 1991 | May 17, 1991 | Tana Oil and Gas Corporation | Gonzales | Ruddock Oil Unit #2H | 12,000 | 17731915 |
| 387710 | May 15, 1991 | May 15, 1991 | Tana Oil and Gas Corporation | Goliad | Irby #2 | 10,500 | 17532605 |
| 387712 | May 14, 1991 | May 14, 1991 | Tana Oil and Gas Corporation | Gonzales | Merit RVS #1H | 12,000 | 17731914 |
| 385968 | Mar 25, 1991 | Mar 25, 1991 | Tana Oil and Gas Corporation | Gonzales | Eschenburg #3 | 7,984 | 17730515 |
| 383954 | Jan 30, 1991 | Jan 30, 1991 | Tana Oil and Gas Corporation | Gonzales | Burnett #1H | 12,500 | 17731871 |
| 383591 | Jan 23, 1991 | Jan 23, 1991 | Tana Oil and Gas Corporation | Gonzales | Culpepper #1BH | 12,000 | 17731869 |
| 383591Amendment | Jan 23, 1991 | Jan 23, 1991 | Tana Oil and Gas Corporation | Gonzales | Culpepper #1BH | 11,308 | 17731869 |
| 383463 | Jan 18, 1991 | Jan 18, 1991 | Tana Oil and Gas Corporation | Gonzales | R. V. S. Oil Unit #3H | 11,500 | 17731867 |
| 383172 | Jan 14, 1991 | Jan 14, 1991 | Tana Oil and Gas Corporation | Gonzales | Culpepper #2H | 12,000 | 17731862 |
| 383171 | Jan 14, 1991 | Jan 14, 1991 | Tana Oil and Gas Corporation | Gonzales | Hart #1H | 11,000 | 17731863 |
| 381874 | Dec 4, 1990 | Dec 4, 1990 | Tana Oil and Gas Corporation | Gonzales | Ruddock, Upton #1H | 11,800 | 17731842 |
| 381107 | Nov 19, 1990 | Nov 19, 1990 | Tana Oil and Gas Corporation | Gonzales | Griffin #2H | 10,500 | 17731833 |
| 377920 | Sep 25, 1990 | Sep 25, 1990 | Tana Oil and Gas Corporation | Gonzales | R.V.S. #2H | 10,500 | 17731808 |
| 377919 | Sep 19, 1990 | Sep 19, 1990 | Tana Oil and Gas Corporation | Gonzales | Eschenburg #2H | 10,000 | 17731811 |
| 377919Amendment | Sep 19, 1990 | Sep 19, 1990 | Tana Oil and Gas Corporation | Gonzales | Eschenburg #2H | 10,000 | 17731811 |
| 377918 | Sep 19, 1990 | Sep 19, 1990 | Tana Oil and Gas Corporation | Gonzales | Griffin #1H | 10,500 | 17731809 |
| 377918Amendment | Sep 19, 1990 | Sep 19, 1990 | Tana Oil and Gas Corporation | Gonzales | Griffin #1H | 11,029 | 17731809 |
| 377914 | Sep 19, 1990 | Sep 19, 1990 | Tana Oil and Gas Corporation | Gonzales | R.V.S. #1H | 10,500 | 17731807 |
| 376723 | Aug 20, 1990 | Aug 20, 1990 | Tana Oil and Gas Corporation | Live Oak | West, Clay #1 | 16,000 | 29733956 |
| 376723Amendment | Aug 20, 1990 | Aug 20, 1990 | Tana Oil and Gas Corporation | Live Oak | West, Clay #1 | 16,000 | 29733956 |
| 376253 | Aug 7, 1990 | Aug 7, 1990 | Tana Oil and Gas Corporation | Gonzales | Mills #1H | 10,000 | 17731795 |
| 376102 | Aug 2, 1990 | Aug 2, 1990 | Tana Oil and Gas Corporation | Hidalgo | Cross Trusts #2 #2 | 13,000 | 21531978 |
| 375085 | Jul 3, 1990 | Jul 3, 1990 | Tana Oil and Gas Corporation | Hidalgo | Pawlick #1 | 8,200 | 21531969 |
| 374711 | Jun 26, 1990 | Jun 26, 1990 | Tana Oil and Gas Corporation | Hidalgo | Schwarz Estate #1 #1 | 9,800 | 21531963 |
| 374062 | Jun 11, 1990 | Jun 11, 1990 | Tana Oil and Gas Corporation | Duval | D.C.R.C. #1204 | 10,500 | 13137363 |
| 372661 | Apr 30, 1990 | Apr 30, 1990 | Tana Oil and Gas Corporation | Gonzales | Eschenburg #1H | 10,000 | 17731773 |
| 372661Amendment | Apr 30, 1990 | Apr 30, 1990 | Tana Oil and Gas Corporation | Gonzales | Eschenburg #1H | 10,000 | 17731773 |