| 481891Amendment | Jan 5, 1999 | Jan 5, 1999 | Coastal Oil & Gas Corporation | Hidalgo | Dusek, F. J. Trust #5 | 16,000 | 21532616 |
| 481523 | Dec 15, 1998 | Dec 15, 1998 | Coastal Oil & Gas Corporation | Brooks | Cage Ranch II #6472 | 11,000 | 04731785 |
| 481424 | Dec 11, 1998 | Dec 11, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Machac Gas Unit #04 | 16,500 | 21532613 |
| 481372 | Dec 9, 1998 | Dec 9, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Dusek, F. J. Trust #4 | 15,000 | 21532612 |
| 481372Amendment | Dec 9, 1998 | Dec 9, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Dusek, F. J. Trust #4 | 15,000 | 21532612 |
| 481310 | Dec 8, 1998 | Dec 8, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #42 | 18,000 | 21532610 |
| 481277 | Dec 4, 1998 | Dec 4, 1998 | Coastal Oil & Gas Corporation | Brooks | Wagenschein State #2201 | 13,000 | 04731838 |
| 481218 | Dec 2, 1998 | Dec 2, 1998 | Coastal Oil & Gas Corporation | Matagorda | Brazos S.T. 368-L #4 | 8,000 | 70430320 |
| 481098 | Nov 24, 1998 | Nov 24, 1998 | Coastal Oil & Gas Corporation | Starr | Cow Creek Corporation et Al. #1 | 15,000 | 42733141 |
| 481066 | Nov 23, 1998 | Nov 23, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #5 | 12,000 | 21530214 |
| 480994 | Nov 19, 1998 | Nov 19, 1998 | Coastal Oil & Gas Corporation | Brooks | Gonzalez Gas Unit #1 | 14,000 | 04731834 |
| 480953 | Nov 18, 1998 | Nov 18, 1998 | Coastal Oil & Gas Corporation | Hidalgo | R & R Royalty #3 | 15,000 | 21532606 |
| 480952 | Nov 18, 1998 | Nov 18, 1998 | Coastal Oil & Gas Corporation | Hidalgo | R & R Royalty #5 | 15,000 | 21532607 |
| 480951 | Nov 18, 1998 | Nov 18, 1998 | Coastal Oil & Gas Corporation | Matagorda | St. Andrew #1 | 17,000 | 32131770 |
| 480779 | Nov 12, 1998 | Nov 12, 1998 | Coastal Oil & Gas Corporation | Wharton | Chadwick #1 | 12,000 | 48134091 |
| 480720 | Nov 9, 1998 | Nov 9, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Bright & Schiff Hamman Gas Unit #14 | 12,000 | 21532600 |
| 480621 | Nov 5, 1998 | Nov 5, 1998 | Coastal Oil & Gas Corporation | Lavaca | Lampley, O. A. #5 | 18,000 | 28532663 |
| 480621Amendment | Nov 5, 1998 | Nov 5, 1998 | Coastal Oil & Gas Corporation | Lavaca | Lampley, O. A. #5 | 18,000 | 28532663 |
| 480590 | Nov 2, 1998 | Nov 2, 1998 | Coastal Oil & Gas Corporation | Brooks | Garcia Benavides GU # 1 #2 | 12,000 | 04731833 |
| 480556 | Oct 30, 1998 | Oct 30, 1998 | Coastal Oil & Gas Corporation | Zapata | State Tract M-99142 #1 | 11,000 | 50533868 |
| 480496 | Oct 28, 1998 | Oct 28, 1998 | Coastal Oil & Gas Corporation | Lavaca | Cooper-Moore #1 | 13,000 | 28532661 |
| 480495 | Oct 28, 1998 | Oct 28, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Dusek #3 | 14,500 | 21532595 |
| 480426 | Oct 26, 1998 | Oct 26, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #43 | 11,000 | 21532592 |
| 480425 | Oct 26, 1998 | Oct 26, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #44 | 11,000 | 21532594 |
| 480425Amendment | Oct 26, 1998 | Oct 26, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #44 | 11,000 | 21532594 |
| 480425Amendment | Oct 26, 1998 | Oct 26, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #44 | 11,000 | 21532594 |
| 480424 | Oct 26, 1998 | Oct 26, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #45 | 10,500 | 21532593 |
| 480424Amendment | Oct 26, 1998 | Oct 26, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #45 | 10,500 | 21532593 |
| 480398 | Oct 23, 1998 | Oct 23, 1998 | Coastal Oil & Gas Corporation | Wharton | Whorton #1 | 20,000 | 48134088 |
| 480300 | Oct 20, 1998 | Oct 20, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Edinburg Impr. Assoc. GU #6 | 15,000 | 21532590 |
| 480299 | Oct 20, 1998 | Oct 20, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Van Scherpe GU "B" #7 | 15,000 | 21532589 |
| 480299Amendment | Oct 20, 1998 | Oct 20, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Van Scherpe GU "B" #7 | 15,000 | 21532589 |
| 480298 | Oct 20, 1998 | Oct 20, 1998 | Coastal Oil & Gas Corporation | Starr | Guerra GU "D" #14 | 15,040 | 42733137 |
| 480179 | Oct 15, 1998 | Oct 15, 1998 | Coastal Oil & Gas Corporation | Wharton | Adam #1 | 12,000 | 48134085 |
| 480178 | Oct 15, 1998 | Oct 15, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Yturria, H. L&cc #7 | 13,500 | 21532588 |
| 480178Amendment | Oct 15, 1998 | Oct 15, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Yturria, H. L&cc #7 | 13,500 | 21532588 |
| 479934 | Oct 7, 1998 | Oct 7, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #37 | 15,000 | 21532585 |
| 479808 | Sep 30, 1998 | Sep 30, 1998 | Coastal Oil & Gas Corporation | Brooks | Cage Ranch #7093 | 9,000 | 04731830 |
| 479808Amendment | Sep 30, 1998 | Sep 30, 1998 | Coastal Oil & Gas Corporation | Brooks | Cage Ranch #7093 | 12,000 | 04731830 |
| 479808Amendment | Sep 30, 1998 | Sep 30, 1998 | Coastal Oil & Gas Corporation | Brooks | Cage Ranch #7093 | 12,000 | 04731830 |
| 479573 | Sep 21, 1998 | Sep 21, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #102 | 10,800 | 50533857 |
| 479521 | Sep 18, 1998 | Sep 18, 1998 | Coastal Oil & Gas Corporation | Brooks | Noll Sand Gas Unit #3 | 13,500 | 04731828 |
| 479520 | Sep 18, 1998 | Sep 18, 1998 | Coastal Oil & Gas Corporation | Brooks | Cage Ranch State-Tract #2601 | 11,500 | 04731829 |
| 479380 | Sep 11, 1998 | Sep 11, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Adame GU #4 | 14,800 | 21532720 |
| 479239 | Sep 3, 1998 | Sep 3, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Dusek, F. J. Trust #2 | 15,000 | 21532579 |
| 479238 | Sep 3, 1998 | Sep 3, 1998 | Coastal Oil & Gas Corporation | Hidalgo | R & R Royalty #4 | 17,500 | 21532578 |
| 479237 | Sep 3, 1998 | Sep 3, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Edinburgh Impr. Assoc. GU #5 | 15,000 | 21532577 |
| 479067 | Aug 28, 1998 | Aug 28, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #101 | 11,000 | 50533852 |
| 479067Amendment | Aug 28, 1998 | Aug 28, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #101 | 11,000 | 50533852 |
| 479058 | Aug 27, 1998 | Aug 27, 1998 | Coastal Oil & Gas Corporation | Brooks | Rupp-Nichols Gas Unit #2 | 13,000 | 04731825 |
| 478895 | Aug 20, 1998 | Aug 20, 1998 | Coastal Oil & Gas Corporation | Brooks | Cage Ranch #6492 | 10,000 | 04731823 |
| 478842 | Aug 19, 1998 | Aug 19, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #40 | 15,000 | 21532573 |
| 478842Amendment | Aug 19, 1998 | Aug 19, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #40 | 18,000 | 21532573 |
| 478818 | Aug 18, 1998 | Aug 18, 1998 | Coastal Oil & Gas Corporation | Brazoria | Korenek #4 | 14,000 | 03932657 |
| 478818Amendment | Aug 18, 1998 | Aug 18, 1998 | Coastal Oil & Gas Corporation | Brazoria | Korenek #4 | 14,000 | 03932657 |
| 478759 | Aug 17, 1998 | Aug 17, 1998 | Coastal Oil & Gas Corporation | Starr | Guerra GU "C" #11 | 16,000 | 42733124 |
| 478458 | Aug 3, 1998 | Aug 3, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #100 | 11,000 | 50533840 |
| 478220 | Jul 24, 1998 | Jul 24, 1998 | Coastal Oil & Gas Corporation | Lavaca | Majors SWD #1 | 3,500 | 28531303 |
| 478143 | Jul 21, 1998 | Jul 21, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Dougherty, M. P. #7608 | 9,000 | 21532567 |
| 478081 | Jul 17, 1998 | Jul 17, 1998 | Coastal Oil & Gas Corporation | Starr | Guerra GU "C" #15 | 15,500 | 42733122 |
| 478078 | Jul 17, 1998 | Jul 17, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #39 | 14,000 | 21532566 |
| 477998 | Jul 15, 1998 | Jul 15, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Edinburg Impr. Assoc. #D6 | 6,800 | 21532325 |
| 477907 | Jul 14, 1998 | Jul 14, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Yturria, H. L&cc #3 | 13,000 | 21531708 |
| 477901 | Jul 14, 1998 | Jul 14, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Yturria, H. L&cc #5 | 13,000 | 21531785 |
| 477890 | Jul 14, 1998 | Jul 14, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Adame GU #3 | 14,800 | 21532565 |
| 477838 | Jul 10, 1998 | Jul 10, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #99 | 11,000 | 50533828 |
| 477837 | Jul 10, 1998 | Jul 10, 1998 | Coastal Oil & Gas Corporation | Starr | Guerra GU "B" #2 | 12,879 | 42732550 |
| 477632 | Jul 2, 1998 | Jul 2, 1998 | Coastal Oil & Gas Corporation | Jim Wells | Hoffman, Roger #6 | 8,000 | 24932162 |
| 477360 | Jun 23, 1998 | Jun 23, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Flores, R. #4 | 17,000 | 21532562 |
| 477238 | Jun 17, 1998 | Jun 17, 1998 | Coastal Oil & Gas Corporation | Starr | Guerra GU "C" #8 | 16,000 | 42733119 |
| 477118 | Jun 15, 1998 | Jun 15, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Yturria, H. L&cc #6 | 14,000 | 21532560 |
| 477117 | Jun 15, 1998 | Jun 15, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #98 | 11,000 | 50533816 |
| 476857 | Jun 4, 1998 | Jun 4, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Salinas, M. #11 | 13,500 | 21532559 |
| 476857Amendment | Jun 4, 1998 | Jun 4, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Salinas, M. #11 | 16,000 | 21532559 |
| 476839 | Jun 4, 1998 | Jun 4, 1998 | Coastal Oil & Gas Corporation | Brooks | Rupp Gas Unit No. 2 #3 | 13,500 | 04731809 |
| 476838 | Jun 4, 1998 | Jun 4, 1998 | Coastal Oil & Gas Corporation | Hidalgo | R & R Royalty #2 | 17,000 | 21532558 |
| 476668 | May 28, 1998 | May 28, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Castillo Deep GU #4 | 14,500 | 21532556 |
| 476518 | May 22, 1998 | May 22, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #97 | 11,000 | 50533810 |
| 476477 | May 21, 1998 | May 21, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Bright & Schiff Hamman Gas Unit #13 | 17,000 | 21532552 |
| 476476 | May 21, 1998 | May 21, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Flores, R. #5 | 16,000 | 21532553 |
| 476392 | May 18, 1998 | May 18, 1998 | Coastal Oil & Gas Corporation | Starr | Guerra GU "G" #D 3 | 10,335 | 42732476 |
| 476343 | May 18, 1998 | May 18, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #96 | 11,000 | 50533809 |
| 476259 | May 14, 1998 | May 14, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Coastal Fee 75 #1WD | 6,500 | 21532544 |
| 476189 | May 12, 1998 | May 12, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Leonard GU #1 | 17,000 | 21532543 |
| 476189Amendment | May 12, 1998 | May 12, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Leonard GU #1 | 17,000 | 21532543 |
| 475970 | May 5, 1998 | May 5, 1998 | Coastal Oil & Gas Corporation | Starr | Guerra GU "C" #10 | 15,000 | 42733109 |
| 475900 | May 4, 1998 | May 4, 1998 | Coastal Oil & Gas Corporation | Wharton | Pardoe #1 | 20,000 | 48134043 |
| 475758 | Apr 29, 1998 | Apr 29, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #95 | 10,500 | 50533802 |
| 475753 | Apr 28, 1998 | Apr 28, 1998 | Coastal Oil & Gas Corporation | Jim Wells | Hoffman, R. "D" #1SD | 5,410 | 24932245 |
| 475621 | Apr 24, 1998 | Apr 24, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Salinas M. #10 | 15,000 | 21532533 |
| 475563 | Apr 23, 1998 | Apr 23, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Flores, R. #3 | 16,500 | 21532532 |
| 475562 | Apr 22, 1998 | Apr 22, 1998 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #94 | 10,500 | 50533799 |
| 475404 | Apr 17, 1998 | Apr 17, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #38 | 15,000 | 21532527 |
| 475404Amendment | Apr 17, 1998 | Apr 17, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #38 | 15,000 | 21532527 |
| 475404Amendment | Apr 17, 1998 | Apr 17, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Hamman Ranch #38 | 15,000 | 21532527 |
| 475403 | Apr 17, 1998 | Apr 17, 1998 | Coastal Oil & Gas Corporation | Jackson | Robinson, J. H. #1 | 15,000 | 23932997 |
| 475402 | Apr 17, 1998 | Apr 17, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Bright & Schiff Hamman GU #3 | 10,115 | 21531218 |
| 474944 | Apr 2, 1998 | Apr 2, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Coastal Dube #2 | 17,500 | 21532524 |
| 474896 | Apr 1, 1998 | Apr 1, 1998 | Coastal Oil & Gas Corporation | Hidalgo | La Gow #1 | 17,000 | 21532523 |
| 474896Amendment | Apr 1, 1998 | Apr 1, 1998 | Coastal Oil & Gas Corporation | Hidalgo | Flores, R. #2 | 17,000 | 21532523 |