| 407823Amendment | Jan 6, 1993 | Jan 6, 1993 | Pennzoil Exploration & Prod. Co. | Panola | Collins Unit #8 | 9,800 | 36532782 |
| 407825 | Dec 31, 1992 | Dec 31, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Hull Unit B #B 6 | 9,800 | 36532784 |
| 407824 | Dec 31, 1992 | Dec 31, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #9 | 9,800 | 36532783 |
| 407824Amendment | Dec 31, 1992 | Dec 31, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #9 | 9,800 | 36532783 |
| 407480 | Dec 31, 1992 | Dec 31, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Allison Unit #8 | 9,800 | 36532777 |
| 407482 | Dec 28, 1992 | Dec 28, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Moore Unit #7 | 9,800 | 36532775 |
| 407481 | Dec 28, 1992 | Dec 28, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #9 | 9,800 | 36532776 |
| 407481Amendment | Dec 28, 1992 | Dec 28, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #9 | 9,800 | 36532776 |
| 406491 | Nov 23, 1992 | Nov 23, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | La Jolla #4 | 13,500 | 35532886 |
| 406491Amendment | Nov 23, 1992 | Nov 23, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | La Jolla #4 | 13,500 | 35532886 |
| 405957 | Nov 10, 1992 | Nov 10, 1992 | Pennzoil Exploration & Prod. Co. | Zapata | Trevino, Albert #B6 | 14,000 | 50532958 |
| 404720 | Oct 21, 1992 | Oct 21, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | La Jolla #2 | 11,665 | 35532525 |
| 404694 | Oct 21, 1992 | Oct 21, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Roberts Unit #9 | 9,800 | 36532720 |
| 404694Amendment | Oct 21, 1992 | Oct 21, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Roberts Unit #9 | 9,800 | 36532720 |
| 404694Amendment | Oct 21, 1992 | Oct 21, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Roberts Unit #9 | 9,800 | 36532720 |
| 404692 | Oct 21, 1992 | Oct 21, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Smith-Bird Unit #7 | 9,800 | 36532721 |
| 404690 | Oct 21, 1992 | Oct 21, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Fite Unit #10 | 9,800 | 36532722 |
| 404690Amendment | Oct 21, 1992 | Oct 21, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Fite Unit #10 | 9,800 | 36532722 |
| 404641 | Oct 19, 1992 | Oct 19, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Roberts Unit #3 | 9,700 | 36530195 |
| 403804 | Sep 23, 1992 | Sep 23, 1992 | Pennzoil Exploration & Prod. Co. | Refugio | Lambert, M. F. #B 2 | 8,500 | 39132081 |
| 403804Amendment | Sep 23, 1992 | Sep 23, 1992 | Pennzoil Exploration & Prod. Co. | Refugio | Lambert, M. F. #B 2 | 8,500 | 39132081 |
| 403804Amendment | Sep 23, 1992 | Sep 23, 1992 | Pennzoil Exploration & Prod. Co. | Refugio | Lambert, M. F. #B 2 | 8,500 | 39132081 |
| 403661 | Sep 18, 1992 | Sep 18, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #8 | 9,800 | 36532698 |
| 403660 | Sep 18, 1992 | Sep 18, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #9 | 9,800 | 36532696 |
| 403660Amendment | Sep 18, 1992 | Sep 18, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #9 | 9,800 | 36532696 |
| 403659 | Sep 18, 1992 | Sep 18, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #8 | 9,800 | 36532697 |
| 403396 | Sep 17, 1992 | Sep 17, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Black Unit #6 | 9,800 | 36532687 |
| 403395 | Sep 17, 1992 | Sep 17, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Collins Unit #7 | 9,800 | 36532686 |
| 403429 | Sep 14, 1992 | Sep 14, 1992 | Pennzoil Exploration & Prod. Co. | Lynn | Eades-Hinson #1X | 11,000 | 30530415 |
| 403122 | Sep 9, 1992 | Sep 9, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Allison Unit #7 | 9,800 | 36532685 |
| 401578 | Sep 1, 1992 | Sep 1, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #8 | 9,800 | 36532669 |
| 402241 | Aug 11, 1992 | Aug 11, 1992 | Pennzoil Exploration & Prod. Co. | Victoria | McFaddin, A. M. #A 12 | 6,415 | 46902324 |
| 402137 | Aug 7, 1992 | Aug 7, 1992 | Pennzoil Exploration & Prod. Co. | Zapata | Jennings #63 | 15,500 | 50532912 |
| 402137Amendment | Aug 7, 1992 | Aug 7, 1992 | Pennzoil Exploration & Prod. Co. | Zapata | Jennings #63 | 15,500 | 50532912 |
| 402137Amendment | Aug 7, 1992 | Aug 7, 1992 | Pennzoil Exploration & Prod. Co. | Zapata | Jennings #63 | 15,500 | 50532912 |
| 402004 | Aug 6, 1992 | Aug 6, 1992 | Pennzoil Exploration & Prod. Co. | Lynn | Eades-Hinson #1 | 11,000 | 30530414 |
| 401473 | Jul 23, 1992 | Jul 23, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Tiller, G.C. #4 | 3,100 | 36532416 |
| 400023 | Jul 16, 1992 | Jul 16, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #10 | 9,800 | 36532648 |
| 400023Amendment | Jul 16, 1992 | Jul 16, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #10 | 9,800 | 36532648 |
| 400023Amendment | Jul 16, 1992 | Jul 16, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #10 | 9,800 | 36532648 |
| 400300 | Jul 15, 1992 | Jul 15, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Fite Unit #9 | 9,800 | 36532653 |
| 400300Amendment | Jul 15, 1992 | Jul 15, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Fite Unit #9 | 9,800 | 36532653 |
| 400299 | Jul 15, 1992 | Jul 15, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Whitaker Unit #9 | 9,800 | 36532654 |
| 400022 | Jul 15, 1992 | Jul 15, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #9 | 9,800 | 36532646 |
| 400525 | Jul 1, 1992 | Jul 1, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | Kerr #6D | 5,812 | 35506523 |
| 400524 | Jul 1, 1992 | Jul 1, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | Kerr #5F | 5,811 | 35506417 |
| 400144 | Jun 16, 1992 | Jun 16, 1992 | Pennzoil Exploration & Prod. Co. | Zapata | Garza, Lauro #B 2 | 11,500 | 50532460 |
| 400136 | Jun 16, 1992 | Jun 16, 1992 | Pennzoil Exploration & Prod. Co. | Bee | N.P.U. Union - Ray #59 | 8,286 | 02502263 |
| 399856 | Jun 8, 1992 | Jun 8, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Moore "A" #6 | 6,150 | 36532370 |
| 399275 | May 13, 1992 | May 13, 1992 | Pennzoil Exploration & Prod. Co. | Henderson | Pennzoil Miller-Holloway #1 | 11,500 | 21330693 |
| 399273 | May 13, 1992 | May 13, 1992 | Pennzoil Exploration & Prod. Co. | Henderson | Roberts/Miller-Holloway G. U. #2 | 11,500 | 21330694 |
| 399087 | May 7, 1992 | May 7, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | Gee, H. W. #4F | 6,695 | 35530704 |
| 399087Amendment | May 7, 1992 | May 7, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | Gee, H. W. #4F | 6,695 | 35530704 |
| 397488 | Apr 15, 1992 | Apr 15, 1992 | Pennzoil Exploration & Prod. Co. | Goliad | N.P.U. Riddle #1 | 8,900 | 17532212 |
| 398016 | Apr 3, 1992 | Apr 3, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Hull Unit A #A 52 | 6,175 | 36532366 |
| 397750 | Mar 27, 1992 | Mar 27, 1992 | Pennzoil Exploration & Prod. Co. | Henderson | Stringfield, Tommye G. U. #2 | 11,500 | 21330690 |
| 397474 | Mar 17, 1992 | Mar 17, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | Talbert, C. P. #14F | 6,990 | 35530750 |
| 397431 | Mar 16, 1992 | Mar 16, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | Gee, H. W. #4 H | 6,695 | 35530704 |
| 397430 | Mar 16, 1992 | Mar 16, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | Gee, H. W. #5 F | 7,012 | 35530833 |
| 397203 | Mar 4, 1992 | Mar 4, 1992 | Pennzoil Exploration & Prod. Co. | Zapata | Garza, Lauro #C 1 | 13,260 | 50531530 |
| 396465 | Feb 6, 1992 | Feb 6, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #6 | 6,280 | 36532434 |
| 395285 | Jan 21, 1992 | Jan 21, 1992 | Pennzoil Exploration & Prod. Co. | Panola | Morgan Unit #7 | 6,875 | 36532371 |
| 395768 | Jan 16, 1992 | Jan 16, 1992 | Pennzoil Exploration & Prod. Co. | Nueces | Walton, W. W. #1B | 7,174 | 35504820 |
| 394260 | Nov 27, 1991 | Nov 27, 1991 | Pennzoil Exploration & Prod. Co. | Aransas | Tatton, V. H. #13 | 12,118 | 00700850 |
| 393806 | Nov 14, 1991 | Nov 14, 1991 | Pennzoil Exploration & Prod. Co. | Aransas | Tatton, V. H. #19F | 11,017 | 00730641 |
| 393736 | Nov 12, 1991 | Nov 12, 1991 | Pennzoil Exploration & Prod. Co. | Duval | Labbe Heirs #1 | 13,500 | 13137521 |
| 393030 | Oct 22, 1991 | Oct 22, 1991 | Pennzoil Exploration & Prod. Co. | Nueces | Driscoll, Clara #A160D | 8,178 | 35531337 |
| 391570 | Oct 1, 1991 | Oct 1, 1991 | Pennzoil Exploration & Prod. Co. | Refugio | Lambert, M. F. #108 | 5,965 | 39101397 |
| 392074 | Sep 24, 1991 | Sep 24, 1991 | Pennzoil Exploration & Prod. Co. | Limestone | Wilson #1 | 8,200 | 29330001 |
| 390595 | Aug 7, 1991 | Aug 7, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #6 | 8,000 | 36532542 |
| 390595Amendment | Aug 7, 1991 | Aug 7, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #6 | 8,000 | 36532542 |
| 390248 | Jul 29, 1991 | Jul 29, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Hull Unit A #A 51 | 8,000 | 36532367 |
| 389781 | Jul 10, 1991 | Jul 10, 1991 | Pennzoil Exploration & Prod. Co. | Zapata | Trevino, Albert #B 5 | 13,500 | 50532807 |
| 389167 | Jun 24, 1991 | Jun 24, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #8 | 8,000 | 36532515 |
| 389166 | Jun 24, 1991 | Jun 24, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #7 | 8,000 | 36532514 |
| 389165 | Jun 24, 1991 | Jun 24, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Lilly Unit #6 | 8,000 | 36532513 |
| 388951 | Jun 18, 1991 | Jun 18, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Black Unit #6 | 8,000 | 36532505 |
| 388950 | Jun 17, 1991 | Jun 17, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Morgan Unit #8 | 8,000 | 36532504 |
| 388631 | Jun 17, 1991 | Jun 17, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Fite Unit #8 | 8,000 | 36532497 |
| 388632 | Jun 13, 1991 | Jun 13, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Smith-Bird Unit #6 | 8,000 | 36532498 |
| 388632Amendment | Jun 13, 1991 | Jun 13, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Evangeline #1 | 6,229 | 36532498 |
| 388518 | Jun 5, 1991 | Jun 5, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Allison Unit #6 | 8,000 | 36532494 |
| 388518Amendment | Jun 5, 1991 | Jun 5, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Allison Unit #6 | 6,920 | 36532494 |
| 388236 | Jun 5, 1991 | Jun 5, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Whitaker Unit #8 | 8,000 | 36532488 |
| 388334 | May 31, 1991 | May 31, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #7 | 8,000 | 36532489 |
| 388237 | May 31, 1991 | May 31, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Roberts Unit #8 | 8,000 | 36532487 |
| 387438 | May 8, 1991 | May 8, 1991 | Pennzoil Exploration & Prod. Co. | Nueces | Walton, Irene #B 5D | 8,300 | 35531742 |
| 387421 | May 7, 1991 | May 7, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Morgan Unit #7 | 6,875 | 36532371 |
| 387138 | Apr 24, 1991 | Apr 24, 1991 | Pennzoil Exploration & Prod. Co. | Zapata | Gracia, Catarino et Al #3 | 14,000 | 50532787 |
| 387138Amendment | Apr 24, 1991 | Apr 24, 1991 | Pennzoil Exploration & Prod. Co. | Zapata | Gracia, Catarino et Al #3 | 13,250 | 50532787 |
| 387138Amendment | Apr 24, 1991 | Apr 24, 1991 | Pennzoil Exploration & Prod. Co. | Zapata | Gracia, Catarino et Al #3 | 13,250 | 50532787 |
| 386665 | Apr 18, 1991 | Apr 18, 1991 | Pennzoil Exploration & Prod. Co. | Refugio | Lambert, M. F. #37 | 5,891 | 39101379 |
| 384907 | Mar 21, 1991 | Mar 21, 1991 | Pennzoil Exploration & Prod. Co. | Bee | N.P.U.-Ray #12F | 10,000 | 02532581 |
| 384720 | Feb 15, 1991 | Feb 15, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Steele, Corrie #A 5 | 8,000 | 36532441 |
| 384492 | Feb 15, 1991 | Feb 15, 1991 | Pennzoil Exploration & Prod. Co. | Karnes | N.P.U. Porter #5 | 10,500 | 25531326 |
| 384299 | Feb 6, 1991 | Feb 6, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #6 | 8,300 | 36532434 |
| 384299Amendment | Feb 6, 1991 | Feb 6, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #6 | 8,300 | 36532434 |
| 384298 | Feb 6, 1991 | Feb 6, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Whitaker Unit #7 | 8,300 | 36532435 |
| 384298Amendment | Feb 6, 1991 | Feb 6, 1991 | Pennzoil Exploration & Prod. Co. | Panola | Whitaker Unit #7 | 8,300 | 36532435 |
| 384191 | Feb 6, 1991 | Feb 6, 1991 | Pennzoil Exploration & Prod. Co. | Zapata | Jennings #62 | 9,000 | 50532760 |