| 373329 | May 16, 1990 | May 16, 1990 | Exxon Corp. | Fullerton Clearfork Unit #642100336750 | 7,400 |
| 373328 | May 16, 1990 | May 16, 1990 | Exxon Corp. | Fullerton Clearfork Unit #44100336749 | 7,400 |
| 373303 | May 16, 1990 | May 16, 1990 | McShane, J. Inc. | Simon-Littman #300336748 | 7,800 |
| 373280 | May 14, 1990 | May 14, 1990 | Conoco Inc. | McCollum & Wiebusch #500300958 | 13,564 |
| 373170 | May 14, 1990 | May 14, 1990 | OXY USA Inc. | North Dollarhide Unit #32900336737 | 8,420 |
| 373169 | May 14, 1990 | May 14, 1990 | OXY USA Inc. | North Dollarhide Unit #33000336736 | 8,490 |
| 373168 | May 14, 1990 | May 14, 1990 | OXY USA Inc. | North Dollarhide Unit #50200336738 | 8,720 |
| 372296 | May 14, 1990 | May 14, 1990 | Bonner, Bobby | Lineberry "A" #200303418 | 4,800 |
| 372205 | May 14, 1990 | May 14, 1990 | Texaco Inc. | Westbrook Oil Corp. #2500311073 | 13,900 |
| 373109 | May 11, 1990 | May 11, 1990 | Arco Oil & Gas Co. | Univ. 11 Sec. 1 #11D00336735 | 7,600 |
| 373035 | May 8, 1990 | May 8, 1990 | Fina Oil & Chemical Company | State of Texas -Q- #200307467 | 7,226 |
| 373034 | May 8, 1990 | May 8, 1990 | Fina Oil & Chemical Company | State of Texas -Q- #100307168 | 7,245 |
| 373011 | May 8, 1990 | May 8, 1990 | Mariah Energy Corp. | Texas Osage #100336734 | 7,250 |
| 372938 | May 7, 1990 | May 7, 1990 | OXY USA Inc. | Cowden E #1600336351 | 7,600 |
| 372874 | May 2, 1990 | May 2, 1990 | Mobil Producing TX. & N.M. Inc. | U-Tex #36989 #300310119 | 12,640 |
| 372820 | May 2, 1990 | May 2, 1990 | Amoco Production Company | Universtiy -FW- #200336250 | 11,276 |
| 372766 | May 2, 1990 | May 2, 1990 | Union Oil Company of California | Parker, J.E. -H- #1800333500 | 9,448 |
| 372641 | Apr 30, 1990 | Apr 30, 1990 | American Exploration Company | University -DJ- 'A' #600336731 | 9,400 |
| 372640 | Apr 30, 1990 | Apr 30, 1990 | American Exploration Company | University -DJ- 'A' #500336732 | 9,400 |
| 372592 | Apr 26, 1990 | Apr 26, 1990 | Caprock Operating, Inc. | Shultz, C.A. -C- #20X00336729 | 4,400 |
| 372581 | Apr 25, 1990 | Apr 25, 1990 | Union Oil Company of California | Buffalo University #300336728 | 10,100 |
| 372507 | Apr 25, 1990 | Apr 25, 1990 | Phillips Petroleum Company | Bitler #96W00336720 | 4,850 |
| 372504 | Apr 25, 1990 | Apr 25, 1990 | Phillips Petroleum Company | Bitler #92W00336721 | 4,850 |
| 372503 | Apr 25, 1990 | Apr 25, 1990 | Phillips Petroleum Company | Bitler #9300336722 | 4,850 |
| 372502 | Apr 25, 1990 | Apr 25, 1990 | Phillips Petroleum Company | Bitler #9400336723 | 4,850 |
| 372501 | Apr 25, 1990 | Apr 25, 1990 | Phillips Petroleum Company | Bitler #95W00336724 | 4,850 |
| 372501Amendment | Apr 25, 1990 | Apr 25, 1990 | Phillips Petroleum Company | Bitler #95W00336724 | 4,850 |
| 372500 | Apr 25, 1990 | Apr 25, 1990 | Phillips Petroleum Company | Bitler #9700336727 | 4,850 |
| 372499 | Apr 25, 1990 | Apr 25, 1990 | Phillips Petroleum Company | Bitler #9900336726 | 4,850 |
| 372498 | Apr 25, 1990 | Apr 25, 1990 | Phillips Petroleum Company | Bitler #10000336725 | 4,850 |
| 372541 | Apr 24, 1990 | Apr 24, 1990 | OXY USA Inc. | North Dollarhide Unit #33100336719 | 8,460 |
| 372506 | Apr 24, 1990 | Apr 24, 1990 | Phillips Petroleum Company | Bitler #9800336717 | 4,850 |
| 372505 | Apr 24, 1990 | Apr 24, 1990 | Phillips Petroleum Company | Bitler #91W00336718 | 4,850 |
| 372505Amendment | Apr 24, 1990 | Apr 24, 1990 | Phillips Petroleum Company | Bitler #91W00336718 | 4,850 |
| 372261 | Apr 24, 1990 | Apr 24, 1990 | Cross Timbers Production Company | Lockhart #1400336715 | 8,500 |
| 371740 | Apr 23, 1990 | Apr 23, 1990 | Chevron U. S. A. Inc. | Butler, L. L. #300301838 | 12,615 |
| 372301 | Apr 20, 1990 | Apr 20, 1990 | Murphy, James & Co., Inc. | Coopwood, Eva "B" #100306492 | 6,960 |
| 371053 | Apr 19, 1990 | Apr 19, 1990 | Maralo, Inc. | Superior University "27" #100303380 | 8,241 |
| 372202 | Apr 18, 1990 | Apr 18, 1990 | Arco Oil & Gas Co. | Univ. 11 Sec. 1 #2D00300333 | 8,942 |
| 372273 | Apr 17, 1990 | Apr 17, 1990 | OXY USA Inc. | North Dollarhide Unit #11900336716 | 8,010 |
| 372070 | Apr 16, 1990 | Apr 16, 1990 | Presidio Exploration, Inc. | University 30 #200301445 | 13,930 |
| 372091 | Apr 12, 1990 | Apr 12, 1990 | Union Oil Company of California | Dollarhide Unit #1155C00336713 | 7,700 |
| 372090 | Apr 12, 1990 | Apr 12, 1990 | Union Oil Company of California | Dollarhide Unit #9054C00336714 | 7,650 |
| 372084 | Apr 11, 1990 | Apr 11, 1990 | Oryx Energy Company | University -F- #400307314 | 9,654 |
| 371994 | Apr 11, 1990 | Apr 11, 1990 | Phillips Petroleum Company | University Andrews #1100304758 | 6,400 |
| 372002 | Apr 10, 1990 | Apr 10, 1990 | Phillips Petroleum Company | University T #200304643 | 8,105 |
| 371919 | Apr 10, 1990 | Apr 10, 1990 | BTA Oil Producers | 8802 JV-P Fuhrman -B- #300336712 | 7,200 |
| 371677 | Apr 10, 1990 | Apr 10, 1990 | Chevron U. S. A. Inc. | Texas "Z" #1200336710 | 11,500 |
| 370833 | Apr 9, 1990 | Apr 9, 1990 | Conoco Inc. | Parker, J. E. "D" #100335617 | 10,000 |
| 371791 | Apr 6, 1990 | Apr 6, 1990 | Arco Oil & Gas Co. | University 13G #100307679 | 9,905 |
| 371655 | Apr 5, 1990 | Apr 5, 1990 | Conoco Inc. | North Block 12 Unit #800336708 | 11,700 |
| 371764 | Apr 4, 1990 | Apr 4, 1990 | BTA Oil Producers | 8802 JV-P Fuhrman #900336711 | 7,200 |
| 371706 | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Parker, J. E. #12000336534 | 7,264 |
| 371675 | Apr 4, 1990 | Apr 4, 1990 | Union Texas Petroleum Corp. | University 3 #500336709 | 8,050 |
| 370598 | Apr 4, 1990 | Apr 4, 1990 | Chevron U. S. A. Inc. | Texas "Z" #1100336688 | 11,500 |
| 371617 | Mar 30, 1990 | Mar 30, 1990 | Amoco Production Company | Bakke Unit #14200330677 | 12,354 |
| 371576 | Mar 29, 1990 | Mar 29, 1990 | Arco Oil & Gas Co. | University 11 Sec. 2 #E 200300459 | 8,990 |
| 371575 | Mar 29, 1990 | Mar 29, 1990 | Arco Oil & Gas Co. | University 11 Sec. 2 #E 700334495 | 7,100 |
| 371533 | Mar 29, 1990 | Mar 29, 1990 | Fina Oil & Chemical Company | University -O- #800336568 | 7,790 |
| 370615 | Mar 29, 1990 | Mar 29, 1990 | Oryx Energy Company | Martin, Nellie C. #2300335529 | 8,869 |
| 371366 | Mar 23, 1990 | Mar 23, 1990 | BTA Oil Producers | 8802 JV-P Fuhrman -F- #100336707 | 7,200 |
| 370987 | Mar 23, 1990 | Mar 23, 1990 | Satanta Oil Company | University 33 #300301450 | 6,000 |
| 371151 | Mar 22, 1990 | Mar 22, 1990 | Texaco Producing Inc. | Mabee, J. E. a NCT-1 #63000336705 | 4,850 |
| 371149 | Mar 22, 1990 | Mar 22, 1990 | Texaco Producing Inc. | Mabee, J. E. a NCT-1 #63100336704 | 4,850 |
| 371145 | Mar 22, 1990 | Mar 22, 1990 | Texaco Producing Inc. | Mabee Foundation a NCT-3 #2600336701 | 4,850 |
| 371144 | Mar 22, 1990 | Mar 22, 1990 | Texaco Producing Inc. | Mabee, J. E. a NCT-1 #63200336703 | 4,850 |
| 371140 | Mar 22, 1990 | Mar 22, 1990 | Texaco Producing Inc. | Mabee, J. E. a NCT-1 #63400336699 | 4,850 |
| 371247 | Mar 21, 1990 | Mar 21, 1990 | Amoco Production Company | Midland Farms Unit #70700336706 | 5,600 |
| 371153 | Mar 21, 1990 | Mar 21, 1990 | Texaco Producing Inc. | Mabee, J. E. a NCT-1 #62900336702 | 4,850 |
| 371142 | Mar 21, 1990 | Mar 21, 1990 | Texaco Producing Inc. | Mabee, J. E. a NCT-1 #63300336697 | 4,850 |
| 371138 | Mar 21, 1990 | Mar 21, 1990 | Texaco Producing Inc. | Mabee, J. E. a NCT-1 #63500336700 | 4,850 |
| 371133 | Mar 21, 1990 | Mar 21, 1990 | Texaco Producing Inc. | Mabee Foundation a NCT-4 #7100336698 | 4,850 |
| 370423 | Mar 21, 1990 | Mar 21, 1990 | Phillips Petroleum Company | Texas Universtiy Q #600336686 | 11,300 |
| 370950 | Mar 14, 1990 | Mar 14, 1990 | Union Oil Company of California | Dollarhide Unit #10110C00336696 | 7,660 |
| 370884 | Mar 13, 1990 | Mar 13, 1990 | Steller Energy & Investment Corp | Cowden, W. F. "Ellenburger" #400336695 | 12,700 |
| 370858 | Mar 12, 1990 | Mar 12, 1990 | Chi Operating, Inc. | Magnolia #100336694 | 9,000 |
| 370599 | Mar 12, 1990 | Mar 12, 1990 | Mobil Producing TX. & N.M. Inc. | Fasken Block "EA" #400303639 | 11,155 |
| 370682 | Mar 9, 1990 | Mar 9, 1990 | Texaco Producing Inc. | Mabee, J. E. "a" NCT-1 #62800336693 | 4,850 |
| 370681 | Mar 9, 1990 | Mar 9, 1990 | Texaco Producing Inc. | Mabee, J. E. "a" NCT-1 #62700336692 | 4,850 |
| 370680 | Mar 9, 1990 | Mar 9, 1990 | Texaco Producing Inc. | Mabee, J. E. "a" NCT-1 #62600336691 | 4,850 |
| 370679 | Mar 9, 1990 | Mar 9, 1990 | Texaco Producing Inc. | Mabee, J. E. "a" NCT-1 #62500336690 | 4,850 |
| 370678 | Mar 9, 1990 | Mar 9, 1990 | Texaco Producing Inc. | Mabee, J. E. "a" NCT-1 #62400336689 | 4,850 |
| 370659 | Mar 9, 1990 | Mar 9, 1990 | Phillips Petroleum Company | Texas Univ. -M- #2000304682 | 10,970 |
| 370566 | Mar 7, 1990 | Mar 7, 1990 | Union Oil Company of California | Parker, J. E. -H- #2800335156 | 9,256 |
| 369961 | Mar 7, 1990 | Mar 7, 1990 | Maralo, Inc. | Deep Rock et al "A" #100303324 | 12,479 |
| 370430 | Mar 2, 1990 | Mar 2, 1990 | Conoco Inc. | Boner B #4100336687 | 9,600 |
| 370409 | Mar 2, 1990 | Mar 2, 1990 | Exxon Corp. | Wilson, H. M. "A" #200301397 | 9,845 |
| 370371 | Mar 1, 1990 | Mar 1, 1990 | Caprock Operating, Inc. | Westbrook Oil Corp. #2200336685 | 4,400 |
| 370370 | Mar 1, 1990 | Mar 1, 1990 | Caprock Operating, Inc. | Shultz, C. A. -C- #2000336684 | 4,400 |
| 370298 | Feb 28, 1990 | Feb 28, 1990 | Amoco Production Company | Midland Farms Unit #70600336680 | 5,600 |
| 370292 | Feb 28, 1990 | Feb 28, 1990 | Union Oil Company of California | University "JC" #100336683 | 9,923 |
| 370277 | Feb 28, 1990 | Feb 28, 1990 | Davcro Inc. | Sun University #370100336682 | 4,775 |
| 370276 | Feb 28, 1990 | Feb 28, 1990 | Davcro Inc. | University "38" #380100336679 | 4,775 |
| 370260 | Feb 28, 1990 | Feb 28, 1990 | Oryx Energy Company | Martin, Nellie C. #1400333077 | 8,485 |
| 370256 | Feb 28, 1990 | Feb 28, 1990 | Hondo Oil & Gas Company Delaware | University Block 5 #200300446 | 14,000 |
| 370245 | Feb 28, 1990 | Feb 28, 1990 | Conoco Inc. | Ford, W. T. #7600336681 | 9,500 |
| 370270 | Feb 27, 1990 | Feb 27, 1990 | Union Oil Company of California | University "DD" #100335627 | 9,670 |
| 370223 | Feb 23, 1990 | Feb 23, 1990 | Mobil Producing TX. & N.M. Inc. | Fasken Blk. "EE" a/C 2 #500303641 | 11,120 |
| 370127 | Feb 23, 1990 | Feb 23, 1990 | Bridge Oil Company, L. P. | McFarland Queen "A" #334100336677 | 5,000 |
| 370009 | Feb 23, 1990 | Feb 23, 1990 | Patterson Petroleum, Inc. | Parker, J. E. Estate "B" #100302979 | 6,400 |