| 549721 | Aug 18, 2004 | Aug 18, 2004 | Westport Oil and Gas Company, LP | Nueces | Chapman Ranch #5 | 13,600 | 35533662 |
| 549720 | Aug 18, 2004 | Aug 18, 2004 | Westport Oil and Gas Company, LP | Zapata | Mecom, J W #125 | 10,500 | 50535078 |
| 548821 | Jul 28, 2004 | Jul 28, 2004 | Westport Oil and Gas Company, LP | Brooks | Miller Ranch #5 | 10,000 | 04732155 |
| 548194 | Jul 14, 2004 | Jul 14, 2004 | Westport Oil and Gas Company, LP | Zapata | Rangel #1401 | 12,500 | 50535043 |
| 547953 | Jul 9, 2004 | Jul 9, 2004 | Westport Oil and Gas Company, LP | Reagan | Wilde #1H | 11,700 | 38335212 |
| 547755 | Jul 2, 2004 | Jul 2, 2004 | Westport Oil and Gas Company, LP | Lavaca | Barnes #1 | 19,000 | 28533089 |
| 547524 | Jun 29, 2004 | Jun 29, 2004 | Westport Oil and Gas Company, LP | Liberty | Swilley #1 | 17,750 | 29132542 |
| 547125 | Jun 18, 2004 | Jun 18, 2004 | Westport Oil and Gas Company, LP | Zapata | Mecom, J. W. #124 | 10,500 | 50535029 |
| 547125Amendment | Jun 18, 2004 | Jun 18, 2004 | Westport Oil and Gas Company, LP | Zapata | Mecom, J. W. #124 | 10,500 | 50535029 |
| 546996 | Jun 16, 2004 | Jun 16, 2004 | Westport Oil and Gas Company, LP | Brooks | Rupp Deep "D" #2 | 12,000 | 04732151 |
| 546943 | Jun 15, 2004 | Jun 15, 2004 | Westport Oil and Gas Company, LP | Zapata | Mecom, J.W. #122 | 10,500 | 50535024 |
| 546244 | May 28, 2004 | May 28, 2004 | Westport Oil and Gas Company, LP | Nueces | Chapman Ranch #4 | 14,000 | 35533638 |
| 546169 | May 26, 2004 | May 26, 2004 | Westport Oil and Gas Company, LP | Reagan | Turner #1H | 11,800 | 38335171 |
| 546169Amendment | May 26, 2004 | May 26, 2004 | Westport Oil and Gas Company, LP | Reagan | Turner #1H | 11,800 | 38335171 |
| 545923 | May 20, 2004 | May 20, 2004 | Westport Oil and Gas Company, LP | Zapata | Trevino #1 | 15,500 | 50535006 |
| 545923Amendment | May 20, 2004 | May 20, 2004 | Westport Oil and Gas Company, LP | Zapata | Trevino #1 | 18,000 | 50535006 |
| 545344 | May 5, 2004 | May 5, 2004 | Westport Oil and Gas Company, LP | Nueces | Chapman Ranch #1 | 13,000 | 35533528 |
| 545183 | May 4, 2004 | May 4, 2004 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #96 WH | 4,750 | 00303455 |
| 544947 | Apr 26, 2004 | Apr 26, 2004 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #125WH | 4,650 | 00306447 |
| 544570 | Apr 19, 2004 | Apr 19, 2004 | Westport Oil and Gas Company, LP | Liberty | Henderson, Catherine #4 | 12,750 | 29132533 |
| 544570Amendment | Apr 19, 2004 | Apr 19, 2004 | Westport Oil and Gas Company, LP | Liberty | Henderson, Catherine -A- #4 | 12,750 | 29132533 |
| 544200 | Apr 7, 2004 | Apr 7, 2004 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #407H | 4,580 | 00337747 |
| 543727 | Mar 29, 2004 | Mar 29, 2004 | Westport Oil and Gas Company, LP | Liberty | Frost-Keenan #1 | 8,600 | 29132530 |
| 543689 | Mar 26, 2004 | Mar 26, 2004 | Westport Oil and Gas Company, LP | Liberty | Liberty Farms #1 | 14,300 | 29132529 |
| 543191 | Mar 15, 2004 | Mar 15, 2004 | Westport Oil and Gas Company, LP | Andrews | Link, L. C. #1 | 9,600 | 00339231 |
| 543108 | Mar 12, 2004 | Mar 12, 2004 | Westport Oil and Gas Company, LP | Liberty | Brazil #1 | 8,600 | 29132527 |
| 543041 | Mar 10, 2004 | Mar 10, 2004 | Westport Oil and Gas Company, LP | Brooks | Cage Ranch #21 | 11,500 | 04732135 |
| 542908 | Mar 8, 2004 | Mar 8, 2004 | Westport Oil and Gas Company, LP | Hardin | Hamill Foundation #1 | 12,500 | 19932908 |
| 542878 | Mar 5, 2004 | Mar 5, 2004 | Westport Oil and Gas Company, LP | Andrews | Andrews Unit #1201 | 9,600 | 00339228 |
| 542672 | Mar 2, 2004 | Mar 2, 2004 | Westport Oil and Gas Company, LP | Hardin | Mills, Nona Field Unit #2303 | 8,570 | 19900492 |
| 542532 | Feb 26, 2004 | Feb 26, 2004 | Westport Oil and Gas Company, LP | Brooks | Cage Ranch #20 | 10,000 | 04732131 |
| 542008 | Feb 13, 2004 | Feb 13, 2004 | Westport Oil and Gas Company, LP | Brooks | Garcia-Benavides Gas Unit 2 #1 | 9,001 | 04731667 |
| 542008Amendment | Feb 13, 2004 | Feb 13, 2004 | Westport Oil and Gas Company, LP | Brooks | Garcia-Benavides Gas Unit 2 #1 | 10,000 | 04731667 |
| 541572 | Feb 10, 2004 | Feb 10, 2004 | Westport Oil and Gas Company, LP | Goliad | Fly, D #1 | 2,600 | 17533050 |
| 541859 | Feb 9, 2004 | Feb 9, 2004 | Westport Oil and Gas Company, LP | Andrews | Andrews Unit #307 | 9,750 | 00339212 |
| 541826 | Feb 9, 2004 | Feb 9, 2004 | Westport Oil and Gas Company, LP | Lavaca | Cullen #5 | 19,000 | 28533066 |
| 541702 | Feb 5, 2004 | Feb 5, 2004 | Westport Oil and Gas Company, LP | Zapata | Mecom, J. W. #109 | 9,000 | 50534090 |
| 541571 | Feb 4, 2004 | Feb 4, 2004 | Westport Oil and Gas Company, LP | Liberty | Henderson, Catherine #3 | 12,950 | 29132517 |
| 541562 | Feb 3, 2004 | Feb 3, 2004 | Westport Oil and Gas Company, LP | Zapata | Mecom, J.W. #123 | 10,500 | 50534928 |
| 541561 | Feb 3, 2004 | Feb 3, 2004 | Westport Oil and Gas Company, LP | Zapata | Mecom, J.W. #121 | 10,500 | 50534927 |
| 541560 | Feb 3, 2004 | Feb 3, 2004 | Westport Oil and Gas Company, LP | Zapata | Mecom, J.W. #120 | 10,500 | 50534926 |
| 541559 | Feb 3, 2004 | Feb 3, 2004 | Westport Oil and Gas Company, LP | Zapata | Mecom, J.W. #119 | 10,500 | 50534925 |
| 541120 | Jan 23, 2004 | Jan 23, 2004 | Westport Oil and Gas Company, LP | Webb | McKendrick #20 | 10,500 | 47938618 |
| 541119 | Jan 23, 2004 | Jan 23, 2004 | Westport Oil and Gas Company, LP | Brooks | Cage Ranch #19 | 10,000 | 04732122 |
| 540777 | Jan 15, 2004 | Jan 15, 2004 | Westport Oil and Gas Company, LP | Brooks | Noll, Marvin R. #5 | 10,300 | 04732077 |
| 539458Amendment | Dec 9, 2003 | Dec 9, 2003 | Westport Oil and Gas Company, LP | Lavaca | Eaves #5 | 16,000 | 28533051 |
| 539454Amendment | Dec 9, 2003 | Dec 9, 2003 | Westport Oil and Gas Company, LP | Lavaca | Zalman #4 | 19,000 | 28533052 |
| 538065 | Oct 31, 2003 | Oct 31, 2003 | Westport Oil and Gas Company, LP | Hardin | Nona Mills Field Unit #2001 | 8,000 | 19900508 |
| 538065Amendment | Oct 31, 2003 | Oct 31, 2003 | Westport Oil and Gas Company, LP | Hardin | Nona Mills Field Unit #2001 | 8,000 | 19900508 |
| 537803Amendment | Oct 22, 2003 | Oct 22, 2003 | Westport Oil and Gas Company, LP | Parker | Goforth #1HH | 9,000 | 36733466 |
| 537416 | Oct 15, 2003 | Oct 15, 2003 | Westport Oil and Gas Company, LP | Terry | Wellman San Andres Unit #38 | 5,600 | 44532034 |
| 537401 | Oct 13, 2003 | Oct 13, 2003 | Westport Oil and Gas Company, LP | Terry | Wellman SW San Andres Unit #37 | 5,600 | 44532033 |
| 537312 | Oct 9, 2003 | Oct 9, 2003 | Westport Oil and Gas Company, LP | Liberty | Henderson, Catherine #2 | 12,600 | 29132501 |
| 537312Amendment | Oct 9, 2003 | Oct 9, 2003 | Westport Oil and Gas Company, LP | Liberty | Henderson, Catherine #2 | 12,600 | 29132501 |
| 537312Amendment | Oct 9, 2003 | Oct 9, 2003 | Westport Oil and Gas Company, LP | Liberty | Henderson, Catherine "a" Unit #2 | 12,350 | 29132501 |
| 537270 | Oct 9, 2003 | Oct 9, 2003 | Westport Oil and Gas Company, LP | Hardin | Nona Mills Field Unit #2302 | 8,000 | 19900491 |
| 537257 | Oct 8, 2003 | Oct 8, 2003 | Westport Oil and Gas Company, LP | Hardin | Nona Mills Field Unit #4301 | 8,100 | 19932359 |
| 537257Amendment | Oct 8, 2003 | Oct 8, 2003 | Westport Oil and Gas Company, LP | Hardin | Nona Mills Field Unit #4301 | 8,100 | 19932359 |
| 534921 | Aug 12, 2003 | Aug 12, 2003 | Westport Oil and Gas Company, LP | Knox | Richardson North #5 | 5,500 | 27532182 |
| 534922 | Aug 11, 2003 | Aug 11, 2003 | Westport Oil and Gas Company, LP | Knox | Richardson North #6 | 5,500 | 27532181 |
| 534611 | Jul 29, 2003 | Jul 29, 2003 | Westport Oil and Gas Company, LP | Andrews | Nolley -B- Unit #3 | 8,950 | 00303696 |
| 534315Amendment | Jul 18, 2003 | Jul 18, 2003 | Westport Oil and Gas Company, LP | Hidalgo | Black Stone #1 | 22,500 | 21533122 |
| 534212 | Jul 15, 2003 | Jul 15, 2003 | Westport Oil and Gas Company, LP | Liberty | Galloway #1 | 14,250 | 29132486 |
| 534212Amendment | Jul 15, 2003 | Jul 15, 2003 | Westport Oil and Gas Company, LP | Liberty | Galloway #1 | 14,250 | 29132486 |
| 534212Amendment | Jul 15, 2003 | Jul 15, 2003 | Westport Oil and Gas Company, LP | Liberty | Galloway #1 | 14,250 | 29132486 |
| 534048 | Jul 14, 2003 | Jul 14, 2003 | Westport Oil and Gas Company, LP | Liberty | Dunagan, Jimbo #1 | 13,960 | 29132485 |
| 533138 | Jun 17, 2003 | Jun 17, 2003 | Westport Oil and Gas Company, LP | Andrews | Andrews Unit #542 | 9,750 | 00339103 |
| 532103 | May 23, 2003 | May 23, 2003 | Westport Oil and Gas Company, LP | Victoria | Wagner, L. E. #1 | 3,950 | 46933353 |
| 532139 | May 21, 2003 | May 21, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #461 | 5,000 | 00339088 |
| 532139Amendment | May 21, 2003 | May 21, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #461 | 5,000 | 00339088 |
| 532138 | May 21, 2003 | May 21, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #460 | 5,000 | 00339087 |
| 531788 | May 13, 2003 | May 13, 2003 | Westport Oil and Gas Company, LP | Andrews | Andrews Unit #306 | 9,750 | 00339084 |
| 531746Amendment | May 9, 2003 | May 9, 2003 | Westport Oil and Gas Company, LP | Nueces | Chapman Ranch #3 | 10,000 | 35533547 |
| 531746Amendment | May 9, 2003 | May 9, 2003 | Westport Oil and Gas Company, LP | Nueces | Chapman Ranch #3 | 10,500 | 35533547 |
| 531714 | May 9, 2003 | May 9, 2003 | Westport Oil and Gas Company, LP | Liberty | Schwarz #1 | 14,200 | 29132475 |
| 545184 | May 4, 2003 | May 4, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #129 WH | 4,750 | 00303473 |
| 530794 | Apr 22, 2003 | Apr 22, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #529 | 5,000 | 00339073 |
| 530907 | Apr 21, 2003 | Apr 21, 2003 | Westport Oil and Gas Company, LP | Andrews | Andrews Unit #730 | 9,700 | 00339074 |
| 530793 | Apr 21, 2003 | Apr 21, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #526 | 5,000 | 00339072 |
| 530888 | Apr 17, 2003 | Apr 17, 2003 | Westport Oil and Gas Company, LP | Crockett | Conoco Powell GMS Deep #9 | 9,000 | 10539018 |
| 530698 | Apr 15, 2003 | Apr 15, 2003 | Westport Oil and Gas Company, LP | Andrews | Andrews Unit #731R | 9,700 | 00339071 |
| 530659 | Apr 14, 2003 | Apr 14, 2003 | Westport Oil and Gas Company, LP | Andrews | Andrews Unit #541 | 9,700 | 00339070 |
| 530305 | Apr 3, 2003 | Apr 3, 2003 | Westport Oil and Gas Company, LP | Liberty | Henderson, Catherine #1 | 12,800 | 29132474 |
| 530305Amendment | Apr 3, 2003 | Apr 3, 2003 | Westport Oil and Gas Company, LP | Liberty | Henderson, Catherine #1 | 12,800 | 29132474 |
| 529978 | Mar 28, 2003 | Mar 28, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #530 | 5,000 | 00339069 |
| 529977 | Mar 28, 2003 | Mar 28, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #528 | 5,000 | 00339068 |
| 529976 | Mar 28, 2003 | Mar 28, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andrews Unit #527 | 5,000 | 00339067 |
| 529975 | Mar 28, 2003 | Mar 28, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #525 | 5,000 | 00339066 |
| 529974 | Mar 27, 2003 | Mar 27, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #524 | 5,000 | 00339065 |
| 529868 | Mar 21, 2003 | Mar 21, 2003 | Westport Oil and Gas Company, LP | Andrews | Andrews Unit #731 | 9,700 | 00339063 |
| 529763 | Mar 21, 2003 | Mar 21, 2003 | Westport Oil and Gas Company, LP | Andrews | Shafter Lake San Andres Unit #523 | 5,000 | 00339060 |
| 526618 | Dec 20, 2002 | Dec 20, 2002 | Westport Oil and Gas Company, LP | Liberty | Hofstetter Bros. #1 | 9,100 | 29132464 |
| 526504 | Dec 19, 2002 | Dec 19, 2002 | Westport Oil and Gas Company, LP | Knox | Richardson North #4 | 5,300 | 27532177 |
| 526503 | Dec 19, 2002 | Dec 19, 2002 | Westport Oil and Gas Company, LP | Knox | Howell, G. L. #16 | 5,300 | 27532178 |
| 526207 | Dec 9, 2002 | Dec 9, 2002 | Westport Oil and Gas Company, LP | Liberty | Bond #1 | 9,150 | 29132462 |
| 526206 | Dec 9, 2002 | Dec 9, 2002 | Westport Oil and Gas Company, LP | Liberty | Holbrook, Ellen #1 | 12,350 | 29132461 |
| 525922 | Dec 4, 2002 | Dec 4, 2002 | Westport Oil and Gas Company, LP | Pecos | Millar, L. H. et Al #3933 | 4,600 | 37137218 |
| 524997 | Oct 25, 2002 | Oct 25, 2002 | Westport Oil and Gas Company, LP | Liberty | Andress #1 | 11,850 | 29132457 |
| 524997Amendment | Oct 25, 2002 | Oct 25, 2002 | Westport Oil and Gas Company, LP | Liberty | Andress #1 | 11,850 | 29132457 |
| 524593 | Oct 17, 2002 | Oct 17, 2002 | Westport Oil and Gas Company, LP | Andrews | Andrews Unit #539 | 9,700 | 00339016 |