| 556403Amendment | Jan 19, 2005 | Jan 19, 2005 | XTO Energy Inc. | Prentice Northeast Unit #538 | 7,550 | 44532079 |
| 556402 | Jan 19, 2005 | Jan 19, 2005 | XTO Energy Inc. | Prentice Northeast Unit #531 | 7,350 | 44532078 |
| 556402Amendment | Jan 19, 2005 | Jan 19, 2005 | XTO Energy Inc. | Prentice Northeast Unit #531 | 7,600 | 44532078 |
| 556401 | Jan 19, 2005 | Jan 19, 2005 | XTO Energy Inc. | Prentice Northeast Unit #512 | 7,350 | 44532077 |
| 556400 | Jan 19, 2005 | Jan 19, 2005 | XTO Energy Inc. | Prentice Northeast Unit #488 | 7,350 | 44532076 |
| 556399 | Jan 19, 2005 | Jan 19, 2005 | XTO Energy Inc. | Prentice Northeast Unit #304 | 7,350 | 44532074 |
| 556398 | Jan 19, 2005 | Jan 19, 2005 | XTO Energy Inc. | Prentice Northeast Unit #302 | 7,350 | 44532075 |
| 556323 | Jan 18, 2005 | Jan 18, 2005 | Gruy Petroleum Management Co. | Hufnall #3 | 8,600 | 44532072 |
| 556322 | Jan 18, 2005 | Jan 18, 2005 | Gruy Petroleum Management Co. | Hufnall #2 | 8,600 | 44532073 |
| 555860 | Jan 12, 2005 | Jan 12, 2005 | Devon Energy Production Co, L.P. | Wellman West Unit #35 HH | 5,662 | 44531894 |
| 553880 | Jan 11, 2005 | Jan 11, 2005 | Trail Mountain, Inc. | Helen #9 | 8,000 | 44532067 |
| 555669 | Jan 7, 2005 | Jan 7, 2005 | Texland Petroleum, L.P. | Muldrow #2 | 5,500 | 44532071 |
| 555668 | Jan 7, 2005 | Jan 7, 2005 | Texland Petroleum, L.P. | Muldrow #4 | 5,500 | 44532070 |
| 554089 | Dec 1, 2004 | Dec 1, 2004 | Texland Petroleum, L.P. | Muldrow #3 | 5,500 | 44532069 |
| 553879 | Nov 19, 2004 | Nov 19, 2004 | Trail Mountain, Inc. | Helen #8 | 8,000 | 44532068 |
| 553795 | Nov 18, 2004 | Nov 18, 2004 | XTO Energy Inc. | Prentice Northeast Unit #294 | 7,350 | 44532066 |
| 553794 | Nov 18, 2004 | Nov 18, 2004 | XTO Energy Inc. | Prentice Northeast Unit #685 | 7,360 | 44532065 |
| 553794Amendment | Nov 18, 2004 | Nov 18, 2004 | XTO Energy Inc. | Prentice Northeast Unit #685 | 7,360 | 44532065 |
| 553235 | Nov 5, 2004 | Nov 5, 2004 | Merit Energy Company | Jackson (Clearfork) Unit #26 | 6,900 | 44532064 |
| 553140 | Nov 3, 2004 | Nov 3, 2004 | Amerada Hess Corporation | Adair San Andres Unit #910 | 4,950 | 44532063 |
| 552959 | Nov 3, 2004 | Nov 3, 2004 | Merit Energy Company | Jackson (Clearfork) Unit #28 | 6,900 | 44532061 |
| 552960 | Nov 1, 2004 | Nov 1, 2004 | Merit Energy Company | Jackson (Clearfork) Unit #29 | 6,900 | 44532062 |
| 552957 | Nov 1, 2004 | Nov 1, 2004 | Merit Energy Company | Jackson (Clearfork) Unit #27 | 6,900 | 44532060 |
| 552093 | Oct 12, 2004 | Oct 12, 2004 | Texland Petroleum, L.P. | Muldrow 19 #1 | 5,500 | 44500521 |
| 552093Amendment | Oct 12, 2004 | Oct 12, 2004 | Texland Petroleum, L.P. | Muldrow 19 #1 | 5,700 | 44500521 |
| 552093Amendment | Oct 12, 2004 | Oct 12, 2004 | Texland Petroleum, L.P. | Muldrow 19 #1 | 5,700 | 44500521 |
| 551388 | Sep 24, 2004 | Sep 24, 2004 | Devon Energy Production Co, L.P. | Wellman West Unit #5W | 5,650 | 44530590 |
| 549729 | Aug 20, 2004 | Aug 20, 2004 | Texland Petroleum, L.P. | Pool Hannes #4036 | 7,000 | 44531260 |
| 549729Amendment | Aug 20, 2004 | Aug 20, 2004 | Texland Petroleum, L.P. | Pool Hannes #4036 | 7,000 | 44531260 |
| 549729Amendment | Aug 20, 2004 | Aug 20, 2004 | Texland Petroleum, L.P. | Pool Hannes #4036 | 7,000 | 44531260 |
| 548976 | Aug 4, 2004 | Aug 4, 2004 | Occidental Permian Ltd. | Prentice (6700 Clearfork)unit #328 | 7,000 | 44532053 |
| 548975 | Aug 3, 2004 | Aug 3, 2004 | Occidental Permian Ltd. | Prentice (6700 Clearfork)unit #327 | 7,000 | 44532057 |
| 548978 | Aug 2, 2004 | Aug 2, 2004 | Occidental Permian Ltd. | Prentice (6700 Clearfork)unit #330 | 7,000 | 44532056 |
| 548977 | Aug 2, 2004 | Aug 2, 2004 | Occidental Permian Ltd. | Prentice (6700 Clearfork) Unit #329 | 7,000 | 44532055 |
| 548974 | Aug 2, 2004 | Aug 2, 2004 | Occidental Permian Ltd. | Prentice (6700 Clearfork)unit #326 | 7,000 | 44532054 |
| 546831 | Jun 14, 2004 | Jun 14, 2004 | Amerada Hess Corporation | Adair San Andres Unit #908 | 4,950 | 44530143 |
| 546830 | Jun 14, 2004 | Jun 14, 2004 | Amerada Hess Corporation | Adair San Andres Unit #907 | 4,950 | 44530158 |
| 546829 | Jun 14, 2004 | Jun 14, 2004 | Amerada Hess Corporation | Adair San Andres Unit #904 | 4,950 | 44500042 |
| 546825 | Jun 14, 2004 | Jun 14, 2004 | Amerada Hess Corporation | Adair San Andres Unit #803 | 4,950 | 44530255 |
| 545717 | Jun 10, 2004 | Jun 10, 2004 | Chevron U. S. A. Inc. | 1ST Natl Bank of Roswell Tr. "B" #1 | 8,150 | 44530209 |
| 545031 | Apr 28, 2004 | Apr 28, 2004 | BP America Production Company | Beck, G. L. #7 | 8,500 | 44532052 |
| 542070 | Apr 14, 2004 | Apr 14, 2004 | Devon Energy Production Co, L.P. | Willard 48 Unit #4 HH | 5,650 | 44532038 |
| 543259 | Mar 16, 2004 | Mar 16, 2004 | Devon Energy Production Co, L.P. | Adams, H.C. Jr., et Al #1HH | 5,650 | 44532051 |
| 542961 | Mar 11, 2004 | Mar 11, 2004 | Devon Energy Production Co, L.P. | Welch North Unit #201HH | 4,955 | 44530648 |
| 542865 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #277 | 7,374 | 44532050 |
| 542863 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #503 | 7,322 | 44532049 |
| 542862 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #480 | 7,344 | 44532048 |
| 542861 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #303 | 7,358 | 44532047 |
| 542860 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Covington,ella B #19 | 8,550 | 44532039 |
| 542859 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #506 | 7,343 | 44532046 |
| 542858 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Norteast Unit #687 | 7,080 | 44532040 |
| 542857 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #613 | 7,360 | 44532045 |
| 542856 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #583 | 7,323 | 44532044 |
| 542855 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #579 | 7,420 | 44532043 |
| 542853 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #530 | 7,356 | 44532042 |
| 542851 | Mar 5, 2004 | Mar 5, 2004 | XTO Energy Inc. | Prentice Northeast Unit #509 | 7,383 | 44532041 |
| 542526 | Mar 1, 2004 | Mar 1, 2004 | Devon Energy Production Co, L.P. | Welch North Unit #1905HH | 4,927 | 44530651 |
| 540486 | Jan 9, 2004 | Jan 9, 2004 | XTO Energy Inc. | Prentice Northeast Unit #558 | 8,400 | 44531983 |
| 539093 | Dec 29, 2003 | Dec 29, 2003 | Trail Mountain, Inc. | Helen #7 | 8,000 | 44532036 |
| 540099 | Dec 23, 2003 | Dec 23, 2003 | Texland Petroleum, L.P. | Muldrow #1 | 5,500 | 44532037 |
| 540099Amendment | Dec 23, 2003 | Dec 23, 2003 | Texland Petroleum, L.P. | Muldrow #1 | 5,297 | 44532037 |
| 538651 | Nov 18, 2003 | Nov 18, 2003 | Chevron U. S. A. Inc. | Investors Royalty Co. "A" #44HH | 9,000 | 44531896 |
| 536637 | Nov 18, 2003 | Nov 18, 2003 | Devon Energy Production Co, L.P. | Willard 48 Unit #3H | 5,650 | 44532031 |
| 538393 | Nov 7, 2003 | Nov 7, 2003 | Lakewood Operating, Ltd. | Meinecke #1 | 11,900 | 44532035 |
| 536638 | Nov 6, 2003 | Nov 6, 2003 | Devon Energy Production Co, L.P. | Willard 48 Unit #2H | 5,650 | 44532030 |
| 537816 | Oct 24, 2003 | Oct 24, 2003 | Devon Energy Production Co, L.P. | Wellman West Unit #22HH | 5,618 | 44530968 |
| 536697 | Oct 17, 2003 | Oct 17, 2003 | Chevron U. S. A. Inc. | 1ST Natl Bank of Roswell Tr. "B" #6HH | 9,000 | 44530253 |
| 536697Amendment | Oct 17, 2003 | Oct 17, 2003 | Chevron U. S. A. Inc. | 1ST Natl Bank of Roswell Tr. "B" #6HH | 9,000 | 44530253 |
| 537570 | Oct 16, 2003 | Oct 16, 2003 | Chevron U. S. A. Inc. | Coons, Harold #1HH | 9,000 | 44530205 |
| 537570Amendment | Oct 16, 2003 | Oct 16, 2003 | Chevron U. S. A. Inc. | Coons, Harold #1HH | 9,000 | 44530205 |
| 537416 | Oct 15, 2003 | Oct 15, 2003 | Westport Oil and Gas Company, LP | Wellman San Andres Unit #38 | 5,600 | 44532034 |
| 537401 | Oct 13, 2003 | Oct 13, 2003 | Westport Oil and Gas Company, LP | Wellman SW San Andres Unit #37 | 5,600 | 44532033 |
| 537224 | Oct 6, 2003 | Oct 6, 2003 | Barrett Brothers Oil & Gas, Inc. | Reed, T. S. #1 | 11,350 | 44532032 |
| 536478 | Sep 16, 2003 | Sep 16, 2003 | Chevron U. S. A. Inc. | Investors Royalty Co. "A" #8WHH | 9,000 | 44530208 |
| 536454 | Sep 16, 2003 | Sep 16, 2003 | Chevron U. S. A. Inc. | Investors Royalty Co. "A" #38HH | 9,000 | 44531811 |
| 535593 | Sep 4, 2003 | Sep 4, 2003 | Devon Energy Production Co, L.P. | Wellman West Unit #11HWH | 5,575 | 44510210 |
| 536245 | Sep 3, 2003 | Sep 3, 2003 | Devon Energy Production Co, L.P. | Wellmam West Unit #15HWH | 5,600 | 44530584 |
| 536017 | Sep 3, 2003 | Sep 3, 2003 | Chevron U. S. A. Inc. | Mallet Land & Cattle Co. #73HH | 9,000 | 44530329 |
| 535848 | Aug 28, 2003 | Aug 28, 2003 | XTO Energy Inc. | Prentice Northeast Unit #479 | 7,370 | 44532029 |
| 535846 | Aug 28, 2003 | Aug 28, 2003 | XTO Energy Inc. | Prentice Northeast Unit #801 | 7,350 | 44532028 |
| 535845 | Aug 28, 2003 | Aug 28, 2003 | XTO Energy Inc. | Prentice Northeast Unit #559 | 7,395 | 44532027 |
| 535283 | Aug 18, 2003 | Aug 18, 2003 | XTO Energy Inc. | Prentice Northeast Unit #753 | 7,170 | 44532026 |
| 535282 | Aug 18, 2003 | Aug 18, 2003 | XTO Energy Inc. | Prentice Northeast Unit #686 | 7,085 | 44532025 |
| 533606 | Aug 1, 2003 | Aug 1, 2003 | Chevron U. S. A. Inc. | Mallet Land & Cattle Co. #115HH | 9,000 | 44531908 |
| 534093 | Jul 24, 2003 | Jul 24, 2003 | Great Western Drlg. Co. | Brit Clare "A" #14 | 8,500 | 44532023 |
| 534193 | Jul 16, 2003 | Jul 16, 2003 | Great Western Drlg. Co. | Covington "21" #1 | 8,500 | 44532024 |
| 534019 | Jul 10, 2003 | Jul 10, 2003 | Great Western Drlg. Co. | Brit Clare #20 | 8,500 | 44532022 |
| 533101 | Jun 25, 2003 | Jun 25, 2003 | Trail Mountain, Inc. | Texland #1 | 8,500 | 44532095 |
| 545338 | Jun 24, 2003 | Jun 24, 2003 | Devon Energy Production Co, L.P. | Wellman West Unit #33HH | 5,650 | 44531861 |
| 532046 | May 19, 2003 | May 19, 2003 | Great Western Drlg. Co. | Suntura #10 | 8,500 | 44532021 |
| 532043 | May 19, 2003 | May 19, 2003 | Great Western Drlg. Co. | Suntura #9 | 8,500 | 44532020 |
| 531221 | Apr 30, 2003 | Apr 30, 2003 | Chevron U. S. A. Inc. | Mallet Land & Cattle Co. #48 | 8,300 | 44530177 |
| 531220 | Apr 30, 2003 | Apr 30, 2003 | Chevron U. S. A. Inc. | Mallet Land & Cattle Co. #50 | 8,200 | 44530185 |
| 530765 | Apr 30, 2003 | Apr 30, 2003 | BP America Production Company | Beck, G. L. #6 | 8,500 | 44532017 |
| 531048 | Apr 25, 2003 | Apr 25, 2003 | Chevron U. S. A. Inc. | Mallet Land & Cattle Company #110HH | 9,000 | 44531883 |
| 531048Amendment | Apr 25, 2003 | Apr 25, 2003 | Chevron U. S. A. Inc. | Mallet Land & Cattle Company #110HH | 9,000 | 44531883 |
| 531019 | Apr 23, 2003 | Apr 23, 2003 | Chevron U. S. A. Inc. | Mallet Land & Cattle Company #108HH | 9,000 | 44531659 |
| 530879 | Apr 17, 2003 | Apr 17, 2003 | Devon Energy Production Co, L.P. | Willard #4801H | 5,650 | 44532018 |
| 530446 | Apr 8, 2003 | Apr 8, 2003 | BP America Production Company | Beck, G. L. #5 | 8,500 | 44532016 |
| 529786 | Mar 24, 2003 | Mar 24, 2003 | Chevron U. S. A. Inc. | Mallet Land & Cattle Co. #116HH | 8,700 | 44531910 |