| 538622 | Nov 14, 2003 | Nov 14, 2003 | Shell Western E&P | Bentsen Brothers "B" #14 | 10,350 | 42733680 |
| 538522 | Nov 14, 2003 | Nov 14, 2003 | Noble Energy Inc | Martinez -B- #44 | 7,423 | 42732856 |
| 538554 | Nov 13, 2003 | Nov 13, 2003 | Metano Energy, LP | Texaco Fee Guerra Share 22 #1 | 7,000 | 42733679 |
| 538464 | Nov 13, 2003 | Nov 13, 2003 | Acock/Anaqua Operating Co., LC | Saenz #3 | 7,900 | 42733677 |
| 538464Amendment | Nov 13, 2003 | Nov 13, 2003 | Acock/Anaqua Operating Co., LP | Saenz #3 | 7,900 | 42733677 |
| 538478 | Nov 12, 2003 | Nov 12, 2003 | El Paso Production Oil & Gas Co. | Samano #49 | 10,000 | 42733678 |
| 538410 | Nov 10, 2003 | Nov 10, 2003 | Touchstone Resources USA, Inc. | Richards, G. L. #1 | 8,500 | 42733676 |
| 538410Amendment | Nov 10, 2003 | Nov 10, 2003 | Touchstone Resources USA, Inc. | Richards, G. L. #1 | 9,004 | 42733676 |
| 538386 | Nov 7, 2003 | Nov 7, 2003 | Kerr-McGee Oil & Gas Onshore LLC | Slick, T. B. Est. -B-534 #175 | 7,812 | 42732444 |
| 538340 | Nov 6, 2003 | Nov 6, 2003 | Pitco Investments, Ltd. | Garcia "B" #9 | 8,450 | 42733592 |
| 538335 | Nov 6, 2003 | Nov 6, 2003 | Smith Production Inc. | Bloomberg, Samuel D. #26 | 13,500 | 42733675 |
| 538208 | Nov 4, 2003 | Nov 4, 2003 | Smith Production Inc. | Bloomberg, Samuel D. #23 | 13,500 | 42733674 |
| 538208Amendment | Nov 4, 2003 | Nov 4, 2003 | Smith Production Inc. | Bloomberg, Samuel D. #23 | 13,500 | 42733674 |
| 538159 | Nov 4, 2003 | Nov 4, 2003 | El Paso Production Oil & Gas Co. | Samano #48 | 9,500 | 42733673 |
| 538159Amendment | Nov 4, 2003 | Nov 4, 2003 | El Paso Production Oil & Gas Co. | Samano #48 | 10,000 | 42733673 |
| 538013 | Oct 29, 2003 | Oct 29, 2003 | Smith Production Inc. | Bloomberg, Samuel D. #27 | 13,500 | 42733672 |
| 537971 | Oct 28, 2003 | Oct 28, 2003 | Peoples Energy Prod.-TX, L.P. | Villarreal #15 | 11,000 | 42733671 |
| 537859 | Oct 24, 2003 | Oct 24, 2003 | Metano Energy, LP | E. Escobar Gas Unit I #3 | 7,500 | 42733670 |
| 537669 | Oct 20, 2003 | Oct 20, 2003 | El Paso Production Oil & Gas Co. | Samano #47 | 9,000 | 42733668 |
| 537668 | Oct 20, 2003 | Oct 20, 2003 | El Paso Production Oil & Gas Co. | Zamora Ruiz #3 | 11,000 | 42733669 |
| 537458 | Oct 13, 2003 | Oct 13, 2003 | Kerr-McGee Oil & Gas Onshore LLC | Hall, C.M. -A- #10 | 8,500 | 42732318 |
| 537340 | Oct 9, 2003 | Oct 9, 2003 | Kerr-McGee Oil & Gas Onshore LLC | Hall-State, J.F. #26 | 8,000 | 42733247 |
| 537320 | Oct 8, 2003 | Oct 8, 2003 | Peoples Energy Prod.-TX, L.P. | Guerra Bros. #12 | 10,500 | 42733667 |
| 537253 | Oct 7, 2003 | Oct 7, 2003 | Kerr-McGee Oil & Gas Onshore LLC | Slick, T. B. Estate -A- #200 | 8,100 | 42733318 |
| 537253Amendment | Oct 7, 2003 | Oct 7, 2003 | Kerr-McGee Oil & Gas Onshore LLC | Slick, T. B. Est. A-265 #200 | 8,100 | 42733318 |
| 537037 | Oct 1, 2003 | Oct 1, 2003 | Shell Western E&P | Barrera, F. - State #7 | 10,750 | 42733666 |
| 537020 | Oct 1, 2003 | Oct 1, 2003 | El Paso Production Oil & Gas Co. | Richmond #11 | 11,500 | 42733665 |
| 536827 | Oct 1, 2003 | Oct 1, 2003 | El Paso Production Oil & Gas Co. | Guerra Gas Unit "D" #13 | 14,500 | 42733530 |
| 536827Amendment | Oct 1, 2003 | Oct 1, 2003 | El Paso Production Oil & Gas Co. | Guerra-USA Gas Unit "D" #13 | 14,500 | 42733530 |
| 536905 | Sep 29, 2003 | Sep 29, 2003 | Newgulf Petroleum, LLC | Margo #6A | 3,500 | 42733664 |
| 536882 | Sep 26, 2003 | Sep 26, 2003 | Samson Lone Star LP | Coates 553 #8 | 8,000 | 42733663 |
| 536882Amendment | Sep 26, 2003 | Sep 26, 2003 | Samson Lone Star LP | Coates 553 #8 | 8,000 | 42733663 |
| 536882Amendment | Sep 26, 2003 | Sep 26, 2003 | Samson Lone Star LP | Coates 553 #8 | 8,000 | 42733663 |
| 536879 | Sep 26, 2003 | Sep 26, 2003 | Kerr-McGee Oil & Gas Onshore LLC | Frost National Bank -A- #9 | 7,300 | 42733662 |
| 536808 | Sep 25, 2003 | Sep 25, 2003 | El Paso Production Oil & Gas Co. | Samano #46 | 11,000 | 42733661 |
| 536786 | Sep 24, 2003 | Sep 24, 2003 | Ascent Energy, Inc | Garza-Hitchcock G.U. #4 | 10,500 | 42733660 |
| 536530 | Sep 17, 2003 | Sep 17, 2003 | Kerr-McGee Oil & Gas Onshore LLC | Slick, T. B. Estate A #168 | 8,920 | 42732629 |
| 536499 | Sep 16, 2003 | Sep 16, 2003 | Wynn-Crosby Energy, Inc. | Cleopatra #3 | 11,500 | 42733659 |
| 536499Amendment | Sep 16, 2003 | Sep 16, 2003 | Wynn-Crosby Energy, Inc. | Cleopatra #3 | 10,840 | 42733659 |
| 536358 | Sep 12, 2003 | Sep 12, 2003 | El Paso Production Oil & Gas Co. | Samano #45 | 10,000 | 42733658 |
| 536357 | Sep 12, 2003 | Sep 12, 2003 | El Paso Production Oil & Gas Co. | Samano #44 | 10,500 | 42733657 |
| 536341 | Sep 11, 2003 | Sep 11, 2003 | Smith Production Inc. | Slick-State #2 | 13,500 | 42733656 |
| 536341Amendment | Sep 11, 2003 | Sep 11, 2003 | Smith Production Inc. | Slick-State #2 | 13,500 | 42733656 |
| 536340 | Sep 11, 2003 | Sep 11, 2003 | L & R Energy Corporation | Roos-Bennett #1 | 5,200 | 42733655 |
| 536248 | Sep 9, 2003 | Sep 9, 2003 | Peoples Energy Prod.-TX, L.P. | Ferguson, D. #4 | 11,250 | 42733654 |
| 536051 | Sep 4, 2003 | Sep 4, 2003 | El Paso Production Oil & Gas Co. | Richmond #8 | 10,900 | 42733653 |
| 532419 | Sep 3, 2003 | Sep 3, 2003 | Samson Lone Star LP | Seyfreidt 928 #5 | 10,500 | 42733618 |
| 533823 | Aug 27, 2003 | Aug 27, 2003 | Da Crowe & Associates, Inc | Parks, W. S. et Al #1 | 1,670 | 42702919 |
| 535751 | Aug 25, 2003 | Aug 25, 2003 | Colo Construction Co., Inc. | Colo-Vela #5 | 3,500 | 42733652 |
| 535701 | Aug 25, 2003 | Aug 25, 2003 | El Paso Production Oil & Gas Co. | Bliss #2 | 10,000 | 42733584 |
| 535699 | Aug 22, 2003 | Aug 22, 2003 | Smith Production Inc. | Bloomberg, Samuel D. #25 | 13,500 | 42733651 |
| 535499 | Aug 19, 2003 | Aug 19, 2003 | Shell Western E&P | Garza, A. M. -State #18 | 10,000 | 42733650 |
| 535348 | Aug 14, 2003 | Aug 14, 2003 | Dominion Expl. & Prod., Inc. | Buchholz, William R. #1 | 7,930 | 42733343 |
| 535285 | Aug 14, 2003 | Aug 14, 2003 | El Paso Production Oil & Gas Co. | Samano #43 | 10,000 | 42733649 |
| 535285Amendment | Aug 14, 2003 | Aug 14, 2003 | El Paso Production Oil & Gas Co. | Samano #43 | 10,000 | 42733649 |
| 534618 | Aug 14, 2003 | Aug 14, 2003 | Ascent Energy, Inc | Don Cameron et al G.U. #9A | 9,600 | 42733638 |
| 535096 | Aug 13, 2003 | Aug 13, 2003 | Texas Independent Explor Ltd. | Slick-State 886 #2 | 12,500 | 42733647 |
| 535159 | Aug 12, 2003 | Aug 12, 2003 | El Paso Production Oil & Gas Co. | Richmond #7 | 12,500 | 42733648 |
| 535062 | Aug 11, 2003 | Aug 11, 2003 | Pitco Investments, Ltd. | Garcia "B" #10 | 8,450 | 42733646 |
| 535062Amendment | Aug 11, 2003 | Aug 11, 2003 | Pitco Investments, Ltd. | Garcia "B" #10 | 8,450 | 42733646 |
| 534163 | Aug 7, 2003 | Aug 7, 2003 | Ascent Energy, Inc | Don Cameron et al State #1 B | 7,500 | 42701353 |
| 535034 | Aug 6, 2003 | Aug 6, 2003 | Headington Oil Company, L.P. | Murch, B. L. #17 | 12,000 | 42733645 |
| 535034Amendment | Aug 6, 2003 | Aug 6, 2003 | Headington Oil Company, L.P. | Murch, B. L. #17 | 12,000 | 42733645 |
| 534383 | Jul 31, 2003 | Jul 31, 2003 | Limark Corporation | La Brisa Ranch State '542' #11 | 7,000 | 42733632 |
| 534779 | Jul 30, 2003 | Jul 30, 2003 | Colo Construction Co., Inc. | La Brisa Ranch Partnership #4 | 3,500 | 42733644 |
| 534698 | Jul 28, 2003 | Jul 28, 2003 | Samson Lone Star LP | Slick 230 #3 | 10,500 | 42733643 |
| 534698Amendment | Jul 28, 2003 | Jul 28, 2003 | Samson Lone Star LP | Slick 230 #3 | 5,500 | 42733643 |
| 534689 | Jul 28, 2003 | Jul 28, 2003 | Newgulf Petroleum, LLC | Margo #5A | 3,200 | 42733642 |
| 534688 | Jul 28, 2003 | Jul 28, 2003 | Newgulf Petroleum, LLC | Gonzales #2 | 4,750 | 42733641 |
| 534688Amendment | Jul 28, 2003 | Jul 28, 2003 | Newgulf Petroleum, LLC | Gonzales #2 | 5,000 | 42733641 |
| 534687 | Jul 28, 2003 | Jul 28, 2003 | Newgulf Petroleum, LLC | Ramirez, M. #1 | 5,000 | 42733640 |
| 534640 | Jul 25, 2003 | Jul 25, 2003 | Peoples Energy Prod.-TX, L.P. | Villareal #14 | 10,700 | 42733639 |
| 534580 | Jul 24, 2003 | Jul 24, 2003 | Smith Production Inc. | Bloomberg. Samuel D. #24 | 13,500 | 42733637 |
| 534533 | Jul 24, 2003 | Jul 24, 2003 | El Paso Production Oil & Gas Co. | Richmond #6 | 12,000 | 42733636 |
| 534435 | Jul 24, 2003 | Jul 24, 2003 | Texas Independent Explor Ltd. | Slick-State 885 #4 | 12,500 | 42733635 |
| 534434 | Jul 24, 2003 | Jul 24, 2003 | Texas Independent Explor Ltd. | Slick-State 885 #3 | 12,500 | 42733634 |
| 534433 | Jul 24, 2003 | Jul 24, 2003 | Texas Independent Explor Ltd. | Slick-State 885 #2 | 12,500 | 42733633 |
| 534301 | Jul 21, 2003 | Jul 21, 2003 | Conocophillips Company | T. B. Slick Est. A-527 #180 | 8,600 | 42732996 |
| 534121 | Jul 21, 2003 | Jul 21, 2003 | Neuhaus, V. F. Properties, Inc. | Sheerin, Irene-Texas State #7R | 1,400 | 42733631 |
| 534103 | Jul 14, 2003 | Jul 14, 2003 | El Paso Production Oil & Gas Co. | Elpaso Flores-Hensley #2 | 12,800 | 42733630 |
| 534098 | Jul 14, 2003 | Jul 14, 2003 | El Paso Production Oil & Gas Co. | Richmond #5 | 13,000 | 42733629 |
| 533893 | Jul 7, 2003 | Jul 7, 2003 | Totalfinaelf E&P USA Inc | T. B. Slick Estate #153 | 12,000 | 42733628 |
| 533591 | Jun 27, 2003 | Jun 27, 2003 | Conocophillips Company | Slick, T.B. Est. A-485 #183 | 5,570 | 42733082 |
| 533411 | Jun 23, 2003 | Jun 23, 2003 | Colo Construction Co., Inc. | Hinojosa #2 | 3,350 | 42733627 |
| 533353 | Jun 20, 2003 | Jun 20, 2003 | El Paso Production Oil & Gas Co. | Zamora SWD #1 | 4,000 | 42733626 |
| 533221 | Jun 17, 2003 | Jun 17, 2003 | El Paso Production Oil & Gas Co. | De Flores, M. S. #3 | 11,000 | 42733625 |
| 533193 | Jun 17, 2003 | Jun 17, 2003 | Smith Production Inc. | Bloomberg, Samuel D. #22 | 13,500 | 42733624 |
| 533166 | Jun 17, 2003 | Jun 17, 2003 | El Paso Production Oil & Gas Co. | O. Flores #1 | 13,500 | 42733623 |
| 533112 | Jun 13, 2003 | Jun 13, 2003 | L-Texx Petroleum, LP | Hinojosa, Jose #1A | 3,500 | 42733622 |
| 533062 | Jun 12, 2003 | Jun 12, 2003 | Peoples Energy Prod.-TX, L.P. | Guerra Bros. #11 | 11,000 | 42733621 |
| 533062Amendment | Jun 12, 2003 | Jun 12, 2003 | Peoples Energy Prod.-TX, L.P. | Guerra Bros. #11 | 11,100 | 42733621 |
| 532861 | Jun 9, 2003 | Jun 9, 2003 | Colo Construction Co., Inc. | La Brisa Ranch Partnership #3 | 3,300 | 42733620 |
| 532588 | May 30, 2003 | May 30, 2003 | Laredo Energy, LP | Share 92 #1 | 6,015 | 42733283 |
| 532558 | May 30, 2003 | May 30, 2003 | Conocophillips Company | Slick, T. B. Est. B-534 #173 | 8,155 | 42732405 |
| 532437 | May 30, 2003 | May 30, 2003 | Smith Production Inc. | Bloomberg, Samuel D. #1 | 11,414 | 42732432 |
| 532342 | May 29, 2003 | May 29, 2003 | Peoples Energy Prod.-TX, L.P. | Guerra, R. A. #1 | 6,100 | 42731954 |
| 532478 | May 28, 2003 | May 28, 2003 | El Paso Production Oil & Gas Co. | De Flores, M. S. #2 | 12,500 | 42733619 |
| 532308 | May 23, 2003 | May 23, 2003 | El Paso Production Oil & Gas Co. | Richmond #4 | 12,000 | 42733614 |
| 531977 | May 15, 2003 | May 15, 2003 | Peoples Energy Prod.-TX, L.P. | Villarreal #13 | 10,250 | 42733613 |
| 531942 | May 15, 2003 | May 15, 2003 | Saxet Energy, Ltd. | Garza et Al #1 | 12,500 | 42733612 |