| 623320 | Jul 27, 2006 | Jul 27, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Bright & Schiff Hamman Gas Unit #22 | 12,000 | 21533508 |
| 622931 | Jul 27, 2006 | Jul 27, 2006 | El Paso Production Oil & Gas Co. | De Witt | Hilda Dagg GU 1 #2 | 17,500 | 12331876 |
| 622895 | Jul 27, 2006 | Jul 27, 2006 | El Paso Production Oil & Gas Co. | Starr | USA #2014 | 12,700 | 42733278 |
| 623186 | Jul 25, 2006 | Jul 25, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Zamora State #8 | 12,000 | 21533505 |
| 623185 | Jul 25, 2006 | Jul 25, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Van Scherpe Gas Unit "B" #12 | 13,500 | 21533507 |
| 623183 | Jul 25, 2006 | Jul 25, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman "A" #17 | 12,000 | 21533506 |
| 622863 | Jul 19, 2006 | Jul 19, 2006 | El Paso Production Oil & Gas Co. | Willacy | K. M. Corbett #1 | 15,000 | 48931154 |
| 622282 | Jul 14, 2006 | Jul 14, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Coates "E" Gas Unit #2 | 11,968 | 21532337 |
| 621504 | Jun 29, 2006 | Jun 29, 2006 | El Paso Production Oil & Gas Co. | Lavaca | O. A. Lampley GU 1 #13 | 13,850 | 28532771 |
| 621300 | Jun 20, 2006 | Jun 20, 2006 | El Paso Production Oil & Gas Co. | Lavaca | Harvey Renger Gas Unit #5 | 17,000 | 28533287 |
| 620348 | Jun 6, 2006 | Jun 6, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #31 | 8,775 | 21531519 |
| 619418 | Jun 1, 2006 | Jun 1, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | V. Cook et al G.U. A-1 #2 | 9,996 | 21531696 |
| 619763 | May 31, 2006 | May 31, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #29 | 9,830 | 21532042 |
| 619927 | May 25, 2006 | May 25, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Garza Zamora Energy Trust #3 | 12,000 | 21533486 |
| 619926 | May 25, 2006 | May 25, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Clemons Gas Unit No. 1 #8 | 12,000 | 21533488 |
| 619925 | May 25, 2006 | May 25, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Clemons Gas Unit No. 1 #7 | 12,000 | 21533487 |
| 619028 | May 17, 2006 | May 17, 2006 | El Paso Production Oil & Gas Co. | Starr | USA #207 | 13,198 | 42732811 |
| 618994 | May 16, 2006 | May 16, 2006 | El Paso Production Oil & Gas Co. | Live Oak | Brysch Gas Unit 2 #2 | 11,620 | 29732989 |
| 618414 | May 4, 2006 | May 4, 2006 | El Paso Production Oil & Gas Co. | Starr | Guerra Gas Unit "A" #9 | 11,048 | 42732573 |
| 618623 | May 3, 2006 | May 3, 2006 | El Paso Production Oil & Gas Co. | Lavaca | Klimitchek #2 | 13,500 | 28533266 |
| 617506 | Apr 18, 2006 | Apr 18, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Zamora State #7 | 12,000 | 21533472 |
| 617382 | Apr 17, 2006 | Apr 17, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Garza Zamora Energy Trust #4 | 12,000 | 21533471 |
| 617380 | Apr 17, 2006 | Apr 17, 2006 | El Paso Production Oil & Gas Co. | Galveston | Halls Bayou Ranch "a" Gas Unit #1 | 20,000 | 16731429 |
| 616985 | Apr 11, 2006 | Apr 11, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Van Scherpe Gas Unit "B" #11 | 13,500 | 21533467 |
| 616952 | Apr 10, 2006 | Apr 10, 2006 | El Paso Production Oil & Gas Co. | Lavaca | Freeman #6 | 3,350 | 28533081 |
| 616950 | Apr 10, 2006 | Apr 10, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #21 | 8,420 | 21531458 |
| 616895 | Apr 6, 2006 | Apr 6, 2006 | El Paso Production Oil & Gas Co. | Starr | Saga #4 | 13,000 | 42733959 |
| 616825 | Mar 31, 2006 | Mar 31, 2006 | El Paso Production Oil & Gas Co. | Brooks | Santa FE Ranch #21 | 15,000 | 04731984 |
| 616824 | Mar 31, 2006 | Mar 31, 2006 | El Paso Production Oil & Gas Co. | Brooks | Santa FE Ranch #15 | 15,000 | 04731969 |
| 616823 | Mar 31, 2006 | Mar 31, 2006 | El Paso Production Oil & Gas Co. | Brooks | Santa FE Ranch #13 | 15,000 | 04731967 |
| 616237 | Mar 28, 2006 | Mar 28, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Boren Gas Unit #8 | 7,000 | 21533458 |
| 616187 | Mar 27, 2006 | Mar 27, 2006 | El Paso Production Oil & Gas Co. | Starr | USA #202 | 9,300 | 42732534 |
| 615981 | Mar 23, 2006 | Mar 23, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #45 | 9,100 | 21532593 |
| 613260 | Mar 23, 2006 | Mar 23, 2006 | El Paso Production Oil & Gas Co. | Lavaca | Robertson #10 | 20,000 | 28533142 |
| 615843 | Mar 20, 2006 | Mar 20, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Vannie Cook #5 | 9,585 | 21531921 |
| 615077 | Mar 15, 2006 | Mar 15, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Bright & Schiff Hamman Gas Unit #8 | 8,525 | 21531510 |
| 615268 | Mar 10, 2006 | Mar 10, 2006 | El Paso Production Oil & Gas Co. | Lavaca | Harvey Renger Gas Unit #4 | 17,000 | 28533248 |
| 613678 | Mar 9, 2006 | Mar 9, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #5ST | 12,000 | 21530214 |
| 613678Amendment | Mar 9, 2006 | Mar 9, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #5 | 8,800 | 21530214 |
| 615127 | Mar 8, 2006 | Mar 8, 2006 | El Paso Production Oil & Gas Co. | Lavaca | Sralla #1 | 15,000 | 28533245 |
| 614612 | Feb 27, 2006 | Feb 27, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Zamora State #9 | 12,000 | 21533447 |
| 612543 | Feb 16, 2006 | Feb 16, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Jeffress, J. D. #40 | 13,000 | 21533430 |
| 613891 | Feb 14, 2006 | Feb 14, 2006 | El Paso Production Oil & Gas Co. | Starr | USA #2015 | 13,500 | 42733937 |
| 613890 | Feb 14, 2006 | Feb 14, 2006 | El Paso Production Oil & Gas Co. | Starr | USA #1013 | 13,500 | 42733936 |
| 613892 | Feb 9, 2006 | Feb 9, 2006 | El Paso Production Oil & Gas Co. | Starr | Guerra-USA Gas Unit "D" #15 | 13,500 | 42733938 |
| 613546 | Feb 9, 2006 | Feb 9, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Van Scherpe Gas Unit "B" #10 | 15,000 | 21533443 |
| 613480 | Feb 2, 2006 | Feb 2, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Bright & Schiff Hamman Gas Unit #21 | 12,000 | 21533438 |
| 613479 | Feb 2, 2006 | Feb 2, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Bright & Schiff Hamman Gas Unit #20 | 12,000 | 21533440 |
| 613226 | Jan 30, 2006 | Jan 30, 2006 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #72 | 12,000 | 21533435 |
| 612926 | Jan 30, 2006 | Jan 30, 2006 | El Paso Production Oil & Gas Co. | Starr | Guerra-USA Gas Unit "D" #3 | 13,723 | 42732476 |
| 612808 | Jan 26, 2006 | Jan 26, 2006 | El Paso Production Oil & Gas Co. | Starr | Saga #3 | 12,000 | 42733929 |
| 611333 | Dec 27, 2005 | Dec 27, 2005 | El Paso Production Oil & Gas Co. | Starr | Arriaga GU "F" #2 | 10,751 | 42732807 |
| 610930 | Dec 21, 2005 | Dec 21, 2005 | El Paso Production Oil & Gas Co. | Lavaca | Klimitchek #1 | 16,000 | 28533223 |
| 611185 | Dec 20, 2005 | Dec 20, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Reavis Farms #1 | 12,000 | 21533417 |
| 611181 | Dec 20, 2005 | Dec 20, 2005 | El Paso Production Oil & Gas Co. | Starr | Saga #2 | 12,000 | 42733916 |
| 611219 | Dec 19, 2005 | Dec 19, 2005 | El Paso Production Oil & Gas Co. | Starr | Samano "H" #2 | 5,780 | 42732333 |
| 610857 | Dec 12, 2005 | Dec 12, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Clemons Gas Unit No. 1 #6 | 9,649 | 21531932 |
| 610856 | Dec 12, 2005 | Dec 12, 2005 | El Paso Production Oil & Gas Co. | Starr | Luera State Gas Unit "A" #4 | 14,698 | 42733315 |
| 610615 | Dec 8, 2005 | Dec 8, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #2 | 8,700 | 21501790 |
| 610615Amendment | Dec 8, 2005 | Dec 8, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #2ST | 12,000 | 21501790 |
| 610615Amendment | Dec 8, 2005 | Dec 8, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #2ST | 12,000 | 21501790 |
| 610576 | Dec 7, 2005 | Dec 7, 2005 | El Paso Production Oil & Gas Co. | Lavaca | O.A. Lampley GU 1 #10L | 13,600 | 28532706 |
| 610575 | Dec 6, 2005 | Dec 6, 2005 | El Paso Production Oil & Gas Co. | Starr | USA 1 #2 | 10,752 | 42732557 |
| 610177 | Nov 30, 2005 | Nov 30, 2005 | El Paso Production Oil & Gas Co. | Goliad | Scott #2 | 18,000 | 17533455 |
| 610005 | Nov 29, 2005 | Nov 29, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Johnson, F. I. #61 | 17,244 | 21532933 |
| 609985 | Nov 29, 2005 | Nov 29, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | De Austin-Castillo GU #1 | 14,273 | 21531555 |
| 609932 | Nov 29, 2005 | Nov 29, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #67 | 17,350 | 21533049 |
| 609982 | Nov 23, 2005 | Nov 23, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #35 | 13,000 | 21532234 |
| 609982Amendment | Nov 23, 2005 | Nov 23, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #35 | 13,000 | 21532234 |
| 609982Amendment | Nov 23, 2005 | Nov 23, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #35 | 13,000 | 21532234 |
| 609708 | Nov 22, 2005 | Nov 22, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Jeffress, J. D. #3 A | 14,000 | 21532591 |
| 609618 | Nov 21, 2005 | Nov 21, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Brann, Regina #2 J | 14,500 | 21531258 |
| 609614 | Nov 21, 2005 | Nov 21, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Johnson, F. I. 'A' #1 | 19,000 | 21533115 |
| 609611 | Nov 21, 2005 | Nov 21, 2005 | El Paso Production Oil & Gas Co. | Brooks | Santa FE Ranch #22 | 19,000 | 04731981 |
| 609610 | Nov 21, 2005 | Nov 21, 2005 | El Paso Production Oil & Gas Co. | Brooks | Santa FE Ranch #19 | 19,000 | 04731982 |
| 609606 | Nov 18, 2005 | Nov 18, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Turner, Evelyn #3 | 20,500 | 21532919 |
| 609468 | Nov 16, 2005 | Nov 16, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #74 | 13,000 | 21533403 |
| 608871 | Nov 7, 2005 | Nov 7, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Bright & Schiff #19 | 12,000 | 21533400 |
| 608871Amendment | Nov 7, 2005 | Nov 7, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Bright & Schiff Hamman Gas Unit #19 | 12,000 | 21533400 |
| 607013 | Sep 28, 2005 | Sep 28, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Stalker #10 | 18,252 | 21533023 |
| 607012 | Sep 28, 2005 | Sep 28, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #44 | 10,025 | 21532594 |
| 606014 | Sep 9, 2005 | Sep 9, 2005 | El Paso Production Oil & Gas Co. | Lavaca | Harvey Renger Gas Unit #3 | 16,000 | 28533196 |
| 605957 | Sep 7, 2005 | Sep 7, 2005 | El Paso Production Oil & Gas Co. | Lavaca | Smothers #1 | 12,842 | 28532994 |
| 605829 | Sep 7, 2005 | Sep 7, 2005 | El Paso Production Oil & Gas Co. | Kleberg | May Field Unit #24 | 9,600 | 27332096 |
| 605567 | Aug 29, 2005 | Aug 29, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Van Scherpe GU "B" #7 | 12,710 | 21532589 |
| 605399 | Aug 25, 2005 | Aug 25, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #75 | 12,000 | 21533371 |
| 605399Amendment | Aug 25, 2005 | Aug 25, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #75 | 12,000 | 21533371 |
| 604889 | Aug 15, 2005 | Aug 15, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Van Scherpe, P. "B" #6 | 13,000 | 21532455 |
| 604482 | Aug 8, 2005 | Aug 8, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #42 | 17,054 | 21532610 |
| 604482Amendment | Aug 8, 2005 | Aug 8, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #42 | 17,054 | 21532610 |
| 603927 | Jul 26, 2005 | Jul 26, 2005 | El Paso Production Oil & Gas Co. | Starr | Samano #42 | 9,825 | 42733583 |
| 602469 | Jun 24, 2005 | Jun 24, 2005 | El Paso Production Oil & Gas Co. | Starr | Saga #1 | 15,000 | 42733851 |
| 560565Amendment | Jun 24, 2005 | Jun 24, 2005 | El Paso Production Oil & Gas Co. | Starr | Guerra GU "A" #10 | 12,550 | 42732647 |
| 601988 | Jun 15, 2005 | Jun 15, 2005 | El Paso Production Oil & Gas Co. | Starr | Guerra GU "A" #13 | 12,350 | 42732676 |
| 601837 | Jun 9, 2005 | Jun 9, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #71 | 12,000 | 21533355 |
| 601837Amendment | Jun 9, 2005 | Jun 9, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #71 | 12,000 | 21533355 |
| 601706 | Jun 7, 2005 | Jun 7, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Coates "A" #22 | 12,990 | 21532658 |
| 601352 | May 31, 2005 | May 31, 2005 | El Paso Production Oil & Gas Co. | Live Oak | Bodden-Frost Gas Unit 1 #4 | 13,980 | 29734283 |
| 600575 | May 12, 2005 | May 12, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #47 | 18,000 | 21532620 |
| 600459 | May 10, 2005 | May 10, 2005 | El Paso Production Oil & Gas Co. | Hidalgo | Hamman Ranch #36 | 14,000 | 21532512 |