| 462807 | May 23, 1997 | May 23, 1997 | Transamerican Natural Gas Corp. | Goliad | Strong Gas Unit #2 | 17,000 | 17532989 |
| 462807Amendment | May 23, 1997 | May 23, 1997 | Transamerican Natural Gas Corp. | Goliad | Strong Gas Unit #2 | 17,000 | 17532989 |
| 462077 | May 7, 1997 | May 7, 1997 | Transamerican Natural Gas Corp. | Goliad | Dorris Gas Unit #2 | 14,000 | 17532985 |
| 457367 | Jan 15, 1997 | Jan 15, 1997 | Transamerican Natural Gas Corp. | Zapata | Haynes "D" #5 | 14,500 | 50533539 |
| 455714 | Nov 27, 1996 | Nov 27, 1996 | Transamerican Natural Gas Corp. | Goliad | Strong Gas Unit #1 | 18,000 | 17532955 |
| 455547 | Nov 25, 1996 | Nov 25, 1996 | Transamerican Natural Gas Corp. | Chambers | Acom, O.H. Estate Gas Unit #2 | 11,000 | 07131555 |
| 455239 | Nov 18, 1996 | Nov 18, 1996 | Transamerican Natural Gas Corp. | Goliad | Dorris Gas Unit #1 | 18,000 | 17532952 |
| 455239Amendment | Nov 18, 1996 | Nov 18, 1996 | Transamerican Natural Gas Corp. | Goliad | Dorris Gas Unit #1 | 19,000 | 17532952 |
| 454006 | Oct 17, 1996 | Oct 17, 1996 | Transamerican Natural Gas Corp. | Chambers | O. H. Acom Estate Gas Unit #3 | 10,500 | 07132071 |
| 453929 | Oct 16, 1996 | Oct 16, 1996 | Transamerican Natural Gas Corp. | Live Oak | Probst, A.E. et al Gas Unit #1 | 12,500 | 29734214 |
| 453929Amendment | Oct 16, 1996 | Oct 16, 1996 | Transamerican Natural Gas Corp. | Live Oak | Probst, A.E. et al Gas Unit #1 | 14,000 | 29734214 |
| 453592 | Oct 8, 1996 | Oct 8, 1996 | Transamerican Natural Gas Corp. | Chambers | Acom, O.H. Estate Gas Unit #2 | 11,000 | 07132070 |
| 451375 | Aug 12, 1996 | Aug 12, 1996 | Transamerican Natural Gas Corp. | Zapata | Haynes "D" #4 | 14,500 | 50533464 |
| 450777Amendment | Jul 30, 1996 | Jul 30, 1996 | Transamerican Natural Gas Corp. | Chambers | O. H. Acom Estate Gas Unit #1 | 12,000 | 07132062 |
| 446445 | Mar 29, 1996 | Mar 29, 1996 | Transamerican Natural Gas Corp. | Zapata | Velas, Siete #1 | 14,500 | 50533422 |
| 446445Amendment | Mar 29, 1996 | Mar 29, 1996 | Transamerican Natural Gas Corp. | Zapata | Siete Velas #1 | 16,500 | 50533422 |
| 445182Amendment | Feb 26, 1996 | Feb 26, 1996 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #4 | 18,000 | 50533408 |
| 439325 | Aug 25, 1995 | Aug 25, 1995 | Transamerican Natural Gas Corp. | Zapata | 3-D Ranches #2 | 9,900 | 50533348 |
| 438045 | Jul 20, 1995 | Jul 20, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #3 | 10,000 | 50533330 |
| 438045Amendment | Jul 20, 1995 | Jul 20, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #3 | 16,000 | 50533330 |
| 437606 | Jul 7, 1995 | Jul 7, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #2 | 10,000 | 50533325 |
| 437606Amendment | Jul 7, 1995 | Jul 7, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #2 | 10,000 | 50533325 |
| 437606Amendment | Jul 7, 1995 | Jul 7, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #2 | 18,000 | 50533325 |
| 437606Amendment | Jul 7, 1995 | Jul 7, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #2 | 18,000 | 50533325 |
| 434179 | Mar 27, 1995 | Mar 27, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "D" #3 | 14,300 | 50533294 |
| 433888 | Mar 17, 1995 | Mar 17, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #1 | 10,000 | 50533293 |
| 433888Amendment | Mar 17, 1995 | Mar 17, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #1 | 18,000 | 50533293 |
| 433888Amendment | Mar 17, 1995 | Mar 17, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "E" #1 | 18,000 | 50533293 |
| 431861 | Jan 17, 1995 | Jan 17, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "D" #2 | 14,300 | 50533279 |
| 431852 | Jan 17, 1995 | Jan 17, 1995 | Transamerican Natural Gas Corp. | Zapata | Haynes "D" #1 | 14,300 | 50533278 |
| 426018 | Jul 19, 1994 | Jul 19, 1994 | Transamerican Natural Gas Corp. | Zapata | Haynes "B" #7 | 14,300 | 50533221 |
| 422306 | Mar 23, 1994 | Mar 23, 1994 | Transamerican Natural Gas Corp. | Zapata | Haynes #11 | 14,500 | 50532716 |
| 419697 | Dec 28, 1993 | Dec 28, 1993 | Transamerican Natural Gas Corp. | Zapata | Haynes #14 | 14,500 | 50533046 |
| 419260 | Dec 13, 1993 | Dec 13, 1993 | Transamerican Natural Gas Corp. | Zapata | Haynes "B" #6 | 14,500 | 50533136 |
| 416432 | Sep 27, 1993 | Sep 27, 1993 | Transamerican Natural Gas Corp. | Zapata | Bernardo Gas Unit 1 #7 | 14,200 | 50533096 |
| 416194 | Sep 20, 1993 | Sep 20, 1993 | Transamerican Natural Gas Corp. | Zapata | Trevino #15 | 10,700 | 50533089 |
| 416193 | Sep 20, 1993 | Sep 20, 1993 | Transamerican Natural Gas Corp. | Zapata | Herbst, M.V. #20 | 9,200 | 50533090 |
| 415966 | Sep 13, 1993 | Sep 13, 1993 | Transamerican Natural Gas Corp. | Zapata | Haynes "B" #5 | 14,500 | 50533086 |
| 415475 | Aug 30, 1993 | Aug 30, 1993 | Transamerican Natural Gas Corp. | Webb | B.M.T. #37 | 12,000 | 47935911 |
| 415168 | Aug 25, 1993 | Aug 25, 1993 | Transamerican Natural Gas Corp. | Webb | Yates #4 | 12,200 | 47935905 |
| 415167 | Aug 25, 1993 | Aug 25, 1993 | Transamerican Natural Gas Corp. | Webb | Marshall, S.G. #5 | 11,800 | 47935904 |
| 415093 | Aug 19, 1993 | Aug 19, 1993 | Transamerican Natural Gas Corp. | Webb | Vaquillas Ranch #18 | 12,200 | 47935902 |
| 414992 | Aug 19, 1993 | Aug 19, 1993 | Transamerican Natural Gas Corp. | Zapata | La Perla #72 | 10,000 | 50532216 |
| 415054 | Aug 18, 1993 | Aug 18, 1993 | Transamerican Natural Gas Corp. | Webb | Marrs McLean "C" #8 | 12,200 | 47935900 |
| 414997 | Aug 17, 1993 | Aug 17, 1993 | Transamerican Natural Gas Corp. | Webb | Hein Trust #2 | 11,000 | 47935898 |
| 414521 | Aug 12, 1993 | Aug 12, 1993 | Transamerican Natural Gas Corp. | Zapata | Haynes "B" #4 | 14,400 | 50533014 |
| 414520 | Aug 5, 1993 | Aug 5, 1993 | Transamerican Natural Gas Corp. | Webb | Vaquillas Ranch #12 | 12,000 | 47935768 |
| 414552 | Aug 3, 1993 | Aug 3, 1993 | Transamerican Natural Gas Corp. | Zapata | Yzaguirre-Leo Gas Unit #6 | 14,200 | 50533068 |
| 414551 | Aug 3, 1993 | Aug 3, 1993 | Transamerican Natural Gas Corp. | Webb | Carr "B" #4 | 9,100 | 47935887 |
| 414415 | Aug 3, 1993 | Aug 3, 1993 | Transamerican Natural Gas Corp. | Webb | B.M.T. #35 | 12,200 | 47935771 |
| 414477 | Aug 2, 1993 | Aug 2, 1993 | Transamerican Natural Gas Corp. | Zapata | Rancho Nuevo #1 | 9,500 | 50533066 |
| 414476 | Aug 2, 1993 | Aug 2, 1993 | Transamerican Natural Gas Corp. | Webb | Hubberd, William "T" #3 | 9,000 | 47935886 |
| 414475 | Aug 2, 1993 | Aug 2, 1993 | Transamerican Natural Gas Corp. | Webb | Villarreal, J. Gas Unit #1 | 12,300 | 47935885 |
| 414381 | Jul 29, 1993 | Jul 29, 1993 | Transamerican Natural Gas Corp. | Zapata | Carrillo, O. P. #1 | 9,700 | 50533065 |
| 411363 | Jul 28, 1993 | Jul 28, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #77 | 9,300 | 47935815 |
| 414131 | Jul 21, 1993 | Jul 21, 1993 | Transamerican Natural Gas Corp. | Zapata | Herbst, M.V. #19 | 9,200 | 50533064 |
| 414130 | Jul 21, 1993 | Jul 21, 1993 | Transamerican Natural Gas Corp. | Webb | McKendrick, W.H. #15 | 8,700 | 47935876 |
| 413960 | Jul 16, 1993 | Jul 16, 1993 | Transamerican Natural Gas Corp. | Webb | Juraschek #4 | 11,700 | 47935872 |
| 413959 | Jul 16, 1993 | Jul 16, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #85 | 9,800 | 47935871 |
| 413958 | Jul 16, 1993 | Jul 16, 1993 | Transamerican Natural Gas Corp. | Zapata | La Perla #177 | 10,700 | 50533063 |
| 417233 | Jul 14, 1993 | Jul 14, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #90 | 9,900 | 47935791 |
| 413688 | Jul 9, 1993 | Jul 9, 1993 | Transamerican Natural Gas Corp. | Webb | Lechenger #17 | 8,800 | 47935869 |
| 413633 | Jul 8, 1993 | Jul 8, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #84 | 10,200 | 47935867 |
| 413091 | Jun 23, 1993 | Jun 23, 1993 | Transamerican Natural Gas Corp. | Webb | Ramirez, M. & M. Gas Unit #2 | 8,800 | 47935854 |
| 413004 | Jun 21, 1993 | Jun 21, 1993 | Transamerican Natural Gas Corp. | Zapata | Benavides, B.R. "A" #4 | 11,500 | 50533057 |
| 413004Amendment | Jun 21, 1993 | Jun 21, 1993 | Transamerican Natural Gas Corp. | Zapata | Benavides, B.R. "A" #4 | 11,810 | 50533057 |
| 413003 | Jun 21, 1993 | Jun 21, 1993 | Transamerican Natural Gas Corp. | Zapata | Rodriguez Gas Unit 1 #4 | 14,500 | 50533056 |
| 412923 | Jun 17, 1993 | Jun 17, 1993 | Transamerican Natural Gas Corp. | Webb | Rottersman #17 | 10,900 | 47935849 |
| 412755 | Jun 14, 1993 | Jun 14, 1993 | Transamerican Natural Gas Corp. | Webb | Schwarz, E.H. #18 | 10,400 | 47935845 |
| 412609 | Jun 9, 1993 | Jun 9, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #76 | 9,500 | 47935843 |
| 412608 | Jun 9, 1993 | Jun 9, 1993 | Transamerican Natural Gas Corp. | Zapata | Cuellar, Maria #3 | 10,000 | 50533051 |
| 412570 | Jun 8, 1993 | Jun 8, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #83 | 9,500 | 47935842 |
| 412372 | Jun 2, 1993 | Jun 2, 1993 | Transamerican Natural Gas Corp. | Webb | Vaquillas Ranch #17 | 12,400 | 47935837 |
| 412371 | Jun 2, 1993 | Jun 2, 1993 | Transamerican Natural Gas Corp. | Webb | Juraschek #3 | 12,000 | 47935836 |
| 412370 | Jun 2, 1993 | Jun 2, 1993 | Transamerican Natural Gas Corp. | Zapata | Herbst, M.V. #18 | 9,200 | 50533050 |
| 412229 | May 28, 1993 | May 28, 1993 | Transamerican Natural Gas Corp. | Webb | Vaquillas Ranch #16 | 12,100 | 47935834 |
| 412006 | May 21, 1993 | May 21, 1993 | Transamerican Natural Gas Corp. | Zapata | Haynes #14 | 14,500 | 50533046 |
| 412005 | May 21, 1993 | May 21, 1993 | Transamerican Natural Gas Corp. | Zapata | Flores, L.G. #12 | 14,000 | 50533047 |
| 412004 | May 21, 1993 | May 21, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #82 | 9,600 | 47935833 |
| 412004Amendment | May 21, 1993 | May 21, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #82 | 9,600 | 47935833 |
| 411896 | May 19, 1993 | May 19, 1993 | Transamerican Natural Gas Corp. | Webb | B.M.T. #36 | 12,200 | 47935830 |
| 411896Amendment | May 19, 1993 | May 19, 1993 | Transamerican Natural Gas Corp. | Webb | B.M.T. #36 | 12,200 | 47935830 |
| 411872 | May 17, 1993 | May 17, 1993 | Transamerican Natural Gas Corp. | Webb | Lundell #71 | 10,800 | 47935828 |
| 411744 | May 14, 1993 | May 14, 1993 | Transamerican Natural Gas Corp. | Webb | Lundell #70 | 10,200 | 47935824 |
| 411651 | May 12, 1993 | May 12, 1993 | Transamerican Natural Gas Corp. | Webb | Lundell #69 | 10,700 | 47935820 |
| 411650 | May 12, 1993 | May 12, 1993 | Transamerican Natural Gas Corp. | Webb | Hubberd, William "C" #6 | 9,500 | 47935821 |
| 411650Amendment | May 12, 1993 | May 12, 1993 | Transamerican Natural Gas Corp. | Webb | Hubberd, William "C" #6 | 9,500 | 47935821 |
| 411649 | May 12, 1993 | May 12, 1993 | Transamerican Natural Gas Corp. | Webb | Vaquillas Ranch #10 | 12,000 | 47935722 |
| 411333 | May 11, 1993 | May 11, 1993 | Transamerican Natural Gas Corp. | Zapata | Uribe #1 | 12,800 | 50532887 |
| 411485 | May 7, 1993 | May 7, 1993 | Transamerican Natural Gas Corp. | Zapata | La Perla #176 | 10,900 | 50533042 |
| 411483 | May 7, 1993 | May 7, 1993 | Transamerican Natural Gas Corp. | Webb | Frost National Bank #49 | 10,600 | 47935818 |
| 411483Amendment | May 7, 1993 | May 7, 1993 | Transamerican Natural Gas Corp. | Webb | Frost National Bank #49 | 11,400 | 47935818 |
| 411482 | May 7, 1993 | May 7, 1993 | Transamerican Natural Gas Corp. | Zapata | Canales #15 | 10,900 | 50533041 |
| 411235 | Apr 30, 1993 | Apr 30, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #79 | 9,900 | 47935811 |
| 411234 | Apr 30, 1993 | Apr 30, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #81 | 10,000 | 47935809 |
| 411233 | Apr 30, 1993 | Apr 30, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #78 | 10,100 | 47935810 |
| 411136 | Apr 27, 1993 | Apr 27, 1993 | Transamerican Natural Gas Corp. | Zapata | Cuellar, J.V. #1 | 8,800 | 50533038 |
| 411043 | Apr 26, 1993 | Apr 26, 1993 | Transamerican Natural Gas Corp. | Webb | Carr #80 | 9,600 | 47935804 |
| 411006 | Apr 23, 1993 | Apr 23, 1993 | Transamerican Natural Gas Corp. | Zapata | Herbst #17 | 9,200 | 50533036 |
| 410846 | Apr 19, 1993 | Apr 19, 1993 | Transamerican Natural Gas Corp. | Webb | Vaquillas Ranch #15 | 12,200 | 47935801 |