| 482544 | Mar 10, 1999 | Mar 10, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Black Unit #10 | 9,800 | 36534119 |
| 482379 | Mar 3, 1999 | Mar 3, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Roberts Unit #13 | 9,800 | 36534114 |
| 482855 | Feb 24, 1999 | Feb 24, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Corrie Steele Unit #A 11 | 8,500 | 36534124 |
| 482857 | Feb 23, 1999 | Feb 23, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #14 | 7,400 | 36533994 |
| 482856 | Feb 23, 1999 | Feb 23, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Werner, Louis Saw Mill Co. #19A | 8,500 | 36534123 |
| 482775 | Feb 19, 1999 | Feb 19, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #18 | 8,500 | 36534122 |
| 482248 | Feb 19, 1999 | Feb 19, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Fite Unit #13 | 9,800 | 36534106 |
| 482247 | Feb 19, 1999 | Feb 19, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Morgan Unit #13 | 9,900 | 36534107 |
| 482530 | Feb 15, 1999 | Feb 15, 1999 | Pennzoil Exploration & Prod. Co. | Winkler | State-Walton #5 | 10,500 | 49532748 |
| 482644 | Feb 11, 1999 | Feb 11, 1999 | Pennzoil Exploration & Prod. Co. | Crane | McKnight, M. B. #177 | 6,500 | 10334673 |
| 482602 | Feb 10, 1999 | Feb 10, 1999 | Pennzoil Exploration & Prod. Co. | Terry | Mallet Land & Cattle Company #1101 | 8,300 | 44531876 |
| 482521 | Feb 9, 1999 | Feb 9, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #17 | 8,500 | 36534117 |
| 482520 | Feb 9, 1999 | Feb 9, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #13 | 8,000 | 36533822 |
| 482519 | Feb 9, 1999 | Feb 9, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #18 | 8,500 | 36534116 |
| 482381 | Feb 3, 1999 | Feb 3, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Brumble Unit #5 | 9,800 | 36534113 |
| 481853 | Feb 3, 1999 | Feb 3, 1999 | Pennzoil Exploration & Prod. Co. | Winkler | Baird, W E #1385 | 5,900 | 49532744 |
| 481852 | Feb 3, 1999 | Feb 3, 1999 | Pennzoil Exploration & Prod. Co. | Winkler | Baird, W E #1383 | 5,900 | 49532743 |
| 482409 | Feb 2, 1999 | Feb 2, 1999 | Pennzoil Exploration & Prod. Co. | Zapata | Haynes #19 | 16,000 | 50533897 |
| 482408 | Feb 2, 1999 | Feb 2, 1999 | Pennzoil Exploration & Prod. Co. | Zapata | Haynes #18 | 16,000 | 50533896 |
| 482380 | Feb 2, 1999 | Feb 2, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Wallace Unit #5 | 9,855 | 36533792 |
| 482358 | Jan 29, 1999 | Jan 29, 1999 | Pennzoil Exploration & Prod. Co. | Bee | N.P.U. (Ray 98) #39 | 10,500 | 02532936 |
| 482342 | Jan 29, 1999 | Jan 29, 1999 | Pennzoil Exploration & Prod. Co. | Winkler | Baird, W. E. #1257 | 10,200 | 49532745 |
| 481999 | Jan 12, 1999 | Jan 12, 1999 | Pennzoil Exploration & Prod. Co. | Victoria | McFaddin, A. M. #A 18U | 5,775 | 46902316 |
| 481894 | Jan 8, 1999 | Jan 8, 1999 | Pennzoil Exploration & Prod. Co. | Crane | Henderson, M. F. #176 | 4,650 | 10334310 |
| 481705 | Jan 4, 1999 | Jan 4, 1999 | Pennzoil Exploration & Prod. Co. | Panola | Morgan Unit #7 | 6,875 | 36532371 |
| 481861 | Dec 31, 1998 | Dec 31, 1998 | Pennzoil Exploration & Prod. Co. | Zapata | Jennings #69 | 10,500 | 50533888 |
| 481730 | Dec 28, 1998 | Dec 28, 1998 | Pennzoil Exploration & Prod. Co. | Zapata | Garza, Lauro #E 1 | 11,500 | 50532072 |
| 481540 | Dec 28, 1998 | Dec 28, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #21 | 8,500 | 36534093 |
| 481629 | Dec 22, 1998 | Dec 22, 1998 | Pennzoil Exploration & Prod. Co. | Harrison | Byrson "a" Unit #5 | 8,500 | 20332560 |
| 481599 | Dec 22, 1998 | Dec 22, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #20 | 8,500 | 36534096 |
| 481570 | Dec 21, 1998 | Dec 21, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Henderson, M. F. #184 | 3,600 | 10334669 |
| 481569 | Dec 21, 1998 | Dec 21, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Henderson, M. F. #185 | 3,600 | 10334670 |
| 481568 | Dec 21, 1998 | Dec 21, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Henderson, M. F. #186 | 3,600 | 10334671 |
| 481600 | Dec 18, 1998 | Dec 18, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #15 | 8,500 | 36534095 |
| 481598 | Dec 18, 1998 | Dec 18, 1998 | Pennzoil Exploration & Prod. Co. | Harrison | Bryson "a" Unit #6 | 8,500 | 20332559 |
| 481578 | Dec 16, 1998 | Dec 16, 1998 | Pennzoil Exploration & Prod. Co. | Victoria | McFaddin, A. M. #A 51 | 5,200 | 46932412 |
| 481558 | Dec 16, 1998 | Dec 16, 1998 | Pennzoil Exploration & Prod. Co. | Zapata | Jennings #59 | 7,900 | 50532657 |
| 481538 | Dec 16, 1998 | Dec 16, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Dennard Unit #10 | 9,900 | 36534094 |
| 481440 | Dec 14, 1998 | Dec 14, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Werner, Louis -B- Unit #B 4 | 9,900 | 36534092 |
| 481340 | Dec 8, 1998 | Dec 8, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #15 | 8,210 | 36533936 |
| 481336 | Dec 8, 1998 | Dec 8, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #19 | 8,500 | 36534088 |
| 480989 | Nov 18, 1998 | Nov 18, 1998 | Pennzoil Exploration & Prod. Co. | Zapata | Barberio et Al #1 | 4,000 | 50533877 |
| 480871 | Nov 16, 1998 | Nov 16, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #13 | 7,400 | 36534000 |
| 480871Amendment | Nov 16, 1998 | Nov 16, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #13 | 7,400 | 36534000 |
| 480742 | Nov 9, 1998 | Nov 9, 1998 | Pennzoil Exploration & Prod. Co. | Zapata | Trevino, Albert #A 1 | 5,800 | 50531482 |
| 480656 | Nov 4, 1998 | Nov 4, 1998 | Pennzoil Exploration & Prod. Co. | Bee | Npu (Ray -9L) #11L | 7,000 | 02530303 |
| 480393 | Oct 22, 1998 | Oct 22, 1998 | Pennzoil Exploration & Prod. Co. | Refugio | Fox, W. J. #26 | 5,420 | 39101289 |
| 480132 | Oct 13, 1998 | Oct 13, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Henderson, M. F. #181 | 3,600 | 10334666 |
| 480131 | Oct 13, 1998 | Oct 13, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Henderson, M. F. #182 | 3,600 | 10334665 |
| 480130 | Oct 13, 1998 | Oct 13, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Henderson, M. F. #183 | 3,600 | 10334664 |
| 480130Amendment | Oct 13, 1998 | Oct 13, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Henderson, M. F. #183 | 3,600 | 10334664 |
| 479414 | Oct 13, 1998 | Oct 13, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #18 | 9,900 | 36534042 |
| 480031 | Oct 8, 1998 | Oct 8, 1998 | Pennzoil Exploration & Prod. Co. | Refugio | Lambert, M. F. #147 | 5,700 | 39131456 |
| 479954 | Oct 7, 1998 | Oct 7, 1998 | Pennzoil Exploration & Prod. Co. | Scurry | Brice, H. J. #16 | 7,900 | 41503545 |
| 479749 | Sep 29, 1998 | Sep 29, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #17 | 8,200 | 36534051 |
| 479379 | Sep 11, 1998 | Sep 11, 1998 | Pennzoil Exploration & Prod. Co. | Victoria | McFaddin, A. M. #A13 U | 5,450 | 46902325 |
| 479099 | Aug 31, 1998 | Aug 31, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Adams, T. C. #A 2 | 8,000 | 36534034 |
| 478861 | Aug 31, 1998 | Aug 31, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #17 | 9,800 | 36534027 |
| 479004 | Aug 27, 1998 | Aug 27, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #16 | 8,500 | 36534031 |
| 478391 | Aug 27, 1998 | Aug 27, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Unit #16 | 9,800 | 36534018 |
| 478835 | Aug 26, 1998 | Aug 26, 1998 | Pennzoil Exploration & Prod. Co. | Winkler | Lovett, H. E. #2 | 10,642 | 49505165 |
| 478835Amendment | Aug 26, 1998 | Aug 26, 1998 | Pennzoil Exploration & Prod. Co. | Winkler | Lovett, H. E. #2 | 10,642 | 49505165 |
| 478924 | Aug 21, 1998 | Aug 21, 1998 | Pennzoil Exploration & Prod. Co. | Zapata | De Garcia, Sara G. #1 | 6,500 | 50531327 |
| 478863 | Aug 21, 1998 | Aug 21, 1998 | Pennzoil Exploration & Prod. Co. | Harrison | Bryson "a" Unit #3 | 8,612 | 20331721 |
| 478730 | Aug 21, 1998 | Aug 21, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Allison Unit #11 | 9,800 | 36534024 |
| 478554 | Aug 19, 1998 | Aug 19, 1998 | Pennzoil Exploration & Prod. Co. | Refugio | Lambert, M. F. #115 | 5,300 | 39101237 |
| 478783 | Aug 17, 1998 | Aug 17, 1998 | Pennzoil Exploration & Prod. Co. | Victoria | McFaddin, A. M. #A 19U | 5,725 | 46902317 |
| 478731 | Aug 17, 1998 | Aug 17, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Woolworth Gas Unit #1 | 8,670 | 36531139 |
| 478674 | Aug 12, 1998 | Aug 12, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Henderson, M. F. #180 | 3,600 | 10334653 |
| 478570 | Aug 11, 1998 | Aug 11, 1998 | Pennzoil Exploration & Prod. Co. | Winkler | Baird, W. E. #1873C | 5,505 | 49531434 |
| 478493 | Aug 4, 1998 | Aug 4, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Chadwick Gas Unit - McLendon #6 | 9,450 | 36533780 |
| 478437 | Aug 4, 1998 | Aug 4, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Aaron Jeter Unit #1 | 9,830 | 36532338 |
| 478437Amendment | Aug 4, 1998 | Aug 4, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Aaron Jeter Unit #1 | 9,830 | 36532338 |
| 478430 | Aug 4, 1998 | Aug 4, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Woolworth Gas Unit #5 | 9,800 | 36534662 |
| 478459 | Aug 3, 1998 | Aug 3, 1998 | Pennzoil Exploration & Prod. Co. | Victoria | Womack, J. Y. #1 | 5,800 | 46933128 |
| 478393 | Aug 3, 1998 | Aug 3, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Morgan Unit #12 | 8,500 | 36534019 |
| 478241 | Jul 27, 1998 | Jul 27, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Moore Unit #13 | 8,500 | 36534016 |
| 478163 | Jul 22, 1998 | Jul 22, 1998 | Pennzoil Exploration & Prod. Co. | Winkler | Baird, W. E. #1955E | 10,600 | 49532733 |
| 478163Amendment | Jul 22, 1998 | Jul 22, 1998 | Pennzoil Exploration & Prod. Co. | Winkler | Baird, W. E. #1955E | 10,600 | 49532733 |
| 478162 | Jul 22, 1998 | Jul 22, 1998 | Pennzoil Exploration & Prod. Co. | Winkler | Baird, W. E. #1875E | 10,650 | 49532732 |
| 478054 | Jul 20, 1998 | Jul 20, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Smith-Bird Unit #11 | 8,500 | 36534011 |
| 477902 | Jul 14, 1998 | Jul 14, 1998 | Pennzoil Exploration & Prod. Co. | Winkler | Baird, W. E. #1384W | 10,400 | 49532728 |
| 477887 | Jul 13, 1998 | Jul 13, 1998 | Pennzoil Exploration & Prod. Co. | Zapata | Jennings #68 | 8,000 | 50533831 |
| 477887Amendment | Jul 13, 1998 | Jul 13, 1998 | Pennzoil Exploration & Prod. Co. | Zapata | Jennings #68 | 8,000 | 50533831 |
| 477788 | Jul 13, 1998 | Jul 13, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Texas Consolidated #1 #H 16H | 3,600 | 10334486 |
| 477748 | Jul 10, 1998 | Jul 10, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #15 | 9,800 | 36534001 |
| 477748Amendment | Jul 10, 1998 | Jul 10, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #15 | 9,900 | 36534001 |
| 477748Amendment | Jul 10, 1998 | Jul 10, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #15 | 9,900 | 36534001 |
| 477723 | Jul 7, 1998 | Jul 7, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #13 | 8,500 | 36534000 |
| 477717 | Jul 7, 1998 | Jul 7, 1998 | Pennzoil Exploration & Prod. Co. | Hansford | Thomas, R. W. #1 | 7,355 | 19500341 |
| 477704 | Jul 6, 1998 | Jul 6, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #16 | 9,800 | 36533998 |
| 477458 | Jul 1, 1998 | Jul 1, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Hudson-Johnson Unit #14 | 9,700 | 36533992 |
| 477309 | Jul 1, 1998 | Jul 1, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Lea, P. J., Etal #117 | 8,400 | 10332510 |
| 477514 | Jun 30, 1998 | Jun 30, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Mangham Unit #14 | 8,500 | 36533994 |
| 477450 | Jun 29, 1998 | Jun 29, 1998 | Pennzoil Exploration & Prod. Co. | Andrews | State -FV- #3 | 9,340 | 00301701 |
| 477302 | Jun 19, 1998 | Jun 19, 1998 | Pennzoil Exploration & Prod. Co. | Crane | Lea, P. J. Etal #5 | 7,550 | 10300220 |
| 476926 | Jun 17, 1998 | Jun 17, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #6 | 6,900 | 36532434 |
| 476926Amendment | Jun 17, 1998 | Jun 17, 1998 | Pennzoil Exploration & Prod. Co. | Panola | Youngblood-Roe Unit #6 | 6,900 | 36532434 |
| 476968 | Jun 15, 1998 | Jun 15, 1998 | Pennzoil Exploration & Prod. Co. | Winkler | Baird, W. E. #1874C | 5,700 | 49532705 |
| 475386 | Jun 10, 1998 | Jun 10, 1998 | Pennzoil Exploration & Prod. Co. | Borden | Canon Ranch Unit #1123 | 7,600 | 03331715 |