| 387875 | May 17, 1991 | May 17, 1991 | Exxcel Production Company | Volmert, North #15 G | 3,315 | 17906604 |
| 388413 | Apr 29, 1991 | Apr 29, 1991 | Abraham, Malouf Inc. | Suzi #1 | 3,450 | 17932015 |
| 385235 | Apr 19, 1991 | Apr 19, 1991 | Texaco E & P Inc. | Williams, J. E. #70 | 3,200 | 17932011 |
| 385234 | Apr 19, 1991 | Apr 19, 1991 | Texaco E & P Inc. | Williams, J. E. #71 | 3,200 | 17932012 |
| 386406 | Apr 9, 1991 | Apr 9, 1991 | Questa Energy Corporation | Sin-Pope #2 | 3,297 | 17906844 |
| 386100 | Apr 3, 1991 | Apr 3, 1991 | G. H. Ranch, Inc. | McKay #1 | 3,500 | 17931640 |
| 386218 | Mar 28, 1991 | Mar 28, 1991 | Phillips Petroleum Company | Doss #8 | 3,350 | 17932014 |
| 386161 | Mar 27, 1991 | Mar 27, 1991 | Phillips Petroleum Company | Dan, Joe #4 | 3,210 | 17932013 |
| 386023 | Mar 27, 1991 | Mar 27, 1991 | Dyne Oil & Gas,inc. | Skidmore, J. #7G | 3,285 | 17907341 |
| 385486 | Mar 8, 1991 | Mar 8, 1991 | Union Pacific Resources Company | McLaughlin #18 | 3,175 | 17930665 |
| 385100 | Feb 25, 1991 | Feb 25, 1991 | Mesa Operating Ltd Partnership | Bowers "C" #3 | 3,105 | 17931685 |
| 385100Amendment | Feb 25, 1991 | Feb 25, 1991 | Seagull Midcon Inc. | Bowers #3 | 3,200 | 17931685 |
| 383880 | Feb 4, 1991 | Feb 4, 1991 | Robinson Drilling of Texas | Caroline 2-1 #201 | 2,982 | 17931163 |
| 379001 | Jan 29, 1991 | Jan 29, 1991 | Toro Resources, Inc. | Rose, B. Bull #2 | 3,070 | 17931624 |
| 383132 | Jan 15, 1991 | Jan 15, 1991 | Cabot Petroleum Corporation | Kirby "D" #1 | 2,880 | 17904137 |
| 382985 | Jan 14, 1991 | Jan 14, 1991 | Rio Petroleum, Inc. | Morse, J. S. "C" #2 | 2,960 | 17982317 |
| 382211 | Dec 17, 1990 | Dec 17, 1990 | Beta-Tex, AN Oklahoma Corp. | Parker Fee "A" #57 | 3,000 | 17932010 |
| 382122 | Dec 12, 1990 | Dec 12, 1990 | Sidwell Oil & Gas, Inc. | Jackson #2 | 3,453 | 17931217 |
| 381294 | Nov 26, 1990 | Nov 26, 1990 | Phillips Petroleum Company | Bralley A #1 | 2,793 | 17900451 |
| 380307 | Nov 12, 1990 | Nov 12, 1990 | Bradley Operating Co. | Morse Waterflood Project #2AH | 2,680 | 17932009 |
| 380307Amendment | Nov 12, 1990 | Nov 12, 1990 | Bradley Operating Co. | Morse Waterflood Project #2AH | 2,723 | 17932009 |
| 380306 | Nov 12, 1990 | Nov 12, 1990 | Bradley Operating Co. | Morse Waterflood Project #23H | 2,680 | 17983952 |
| 379858 | Oct 24, 1990 | Oct 24, 1990 | Encon Petroleum Company | Williston Benedict #12 | 3,127 | 17931280 |
| 379740 | Oct 24, 1990 | Oct 24, 1990 | Pruett, Cecil | Marie, Joan #3 | 3,600 | 17932008 |
| 379305 | Oct 19, 1990 | Oct 19, 1990 | Harken Exploration Company | Eakin #14 | 3,500 | 17932007 |
| 379296 | Oct 19, 1990 | Oct 19, 1990 | Harken Exploration Company | Eakin #18 | 3,500 | 17932005 |
| 379295 | Oct 19, 1990 | Oct 19, 1990 | Harken Exploration Company | Eakin #17 | 3,500 | 17932006 |
| 379294 | Oct 19, 1990 | Oct 19, 1990 | Harken Exploration Company | Eakin #16 | 3,500 | 17932004 |
| 379291 | Oct 19, 1990 | Oct 19, 1990 | Harken Exploration Company | Eakin #15 | 3,500 | 17932003 |
| 379290 | Oct 18, 1990 | Oct 18, 1990 | Harken Exploration Company | Eakin #13 | 3,500 | 17932002 |
| 379246 | Oct 12, 1990 | Oct 12, 1990 | Jade Enterprises, Inc. | Chapman E #1 | 2,680 | 17931885 |
| 379165 | Oct 12, 1990 | Oct 12, 1990 | Dunigan Operating Co., Inc. | Bruce Bull #3 | 3,035 | 17902436 |
| 379238 | Oct 10, 1990 | Oct 10, 1990 | Harken Exploration Company | Eakin #12 | 3,500 | 17932000 |
| 379237 | Oct 10, 1990 | Oct 10, 1990 | Harken Exploration Company | Eakin #11 | 3,500 | 17932001 |
| 377739 | Sep 28, 1990 | Sep 28, 1990 | Rio Petroleum, Inc. | Morse, J. S. "C" #3 | 2,988 | 17904055 |
| 377865 | Sep 26, 1990 | Sep 26, 1990 | Beta-Tex, AN Oklahoma Corp. | Parker Fee "A" #56 | 3,000 | 17931999 |
| 375556 | Sep 24, 1990 | Sep 24, 1990 | Robinson Drilling of Texas | Thut #4 | 2,966 | 17931177 |
| 376277 | Sep 21, 1990 | Sep 21, 1990 | American Exploration Company | Combs Worley "A" #20 | 3,400 | 17931996 |
| 376276 | Sep 21, 1990 | Sep 21, 1990 | American Exploration Company | Combs & Worley "A" #21 | 3,400 | 17931997 |
| 377832 | Sep 12, 1990 | Sep 12, 1990 | Trans Terra Corp., International | Sailor, Martha #15 | 3,450 | 17931998 |
| 375159 | Sep 10, 1990 | Sep 10, 1990 | Rio Petroleum, Inc. | Beth #2 | 3,033 | 17931487 |
| 375134 | Sep 10, 1990 | Sep 10, 1990 | Rio Petroleum, Inc. | Teriana #1 | 2,997 | 17931175 |
| 376033 | Jul 30, 1990 | Jul 30, 1990 | Phillips Petroleum Company | Step A #1 | 3,400 | 17931995 |
| 375229 | Jul 10, 1990 | Jul 10, 1990 | Oilwell Operators, Inc. | Dickey Oil #12 | 3,250 | 17931994 |
| 375163 | Jul 3, 1990 | Jul 3, 1990 | Exxcel Production Company | Clint #3 | 3,453 | 17931465 |
| 374528 | Jun 15, 1990 | Jun 15, 1990 | American Exploration Company | Cook, C. C. #8 | 3,225 | 17983133 |
| 373544 | Jun 15, 1990 | Jun 15, 1990 | Bradley Operating Co. | Morse Waterflood Project #19H | 2,622 | 17983948 |
| 373235 | Jun 11, 1990 | Jun 11, 1990 | Texaco Inc. | Bowers, J. B. NCT-1 #24 | 3,300 | 17931990 |
| 373916 | May 31, 1990 | May 31, 1990 | G. H. Ranch, Inc. | Bell #2 #2 | 3,472 | 17931364 |
| 373754 | May 24, 1990 | May 24, 1990 | American Exploration Company | Combs & Worley "A" #3 | 3,350 | 17907545 |
| 373754Amendment | May 24, 1990 | May 24, 1990 | American Exploration Company | Combs & Worley "A" #3 | 3,350 | 17907545 |
| 373688 | May 23, 1990 | May 23, 1990 | Arco Oil & Gas Co. | Worley-Combs #1WS | 450 | 17931993 |
| 373347 | May 15, 1990 | May 15, 1990 | Bradley Operating Co. | Morse Waterflood Project #1AH | 4,292 | 17931992 |
| 373063 | May 11, 1990 | May 11, 1990 | Questa Energy Corporation | Sin-Pope #4 | 3,450 | 17906846 |
| 372547 | Apr 26, 1990 | Apr 26, 1990 | Arco Oil & Gas Co. | East Pampa Unit #1015 | 3,350 | 17931991 |
| 372546 | Apr 26, 1990 | Apr 26, 1990 | Arco Oil & Gas Co. | East Pampa Unit #1004 | 3,102 | 17984753 |
| 372377 | Apr 23, 1990 | Apr 23, 1990 | Rio Petroleum, Inc. | Morse, J. S. "D" #5 | 3,100 | 17982323 |
| 371124 | Apr 16, 1990 | Apr 16, 1990 | Texaco Inc. | Bowers, J. B. NCT-1 #23 | 3,265 | 17931986 |
| 371123 | Apr 16, 1990 | Apr 16, 1990 | Texaco Inc. | Davis, M. B. #48 | 3,200 | 17931987 |
| 371711 | Apr 2, 1990 | Apr 2, 1990 | OXY USA Inc. | Shields A #15 | 3,475 | 17931989 |
| 371259 | Mar 21, 1990 | Mar 21, 1990 | OXY USA Inc. | Baggerman A #20 | 3,300 | 17931988 |
| 370889 | Mar 19, 1990 | Mar 19, 1990 | Conoco Inc. | Jackson, William #15 | 3,300 | 17931984 |
| 371022 | Mar 15, 1990 | Mar 15, 1990 | VRK Operating Company, Inc. | Barrett #1322A | 3,800 | 17931985 |
| 370415 | Mar 2, 1990 | Mar 2, 1990 | Caprock Engineering, Inc. | Betty #2 | 3,350 | 17931983 |
| 370079 | Feb 20, 1990 | Feb 20, 1990 | VRK Operating Company, Inc. | Barrett #1322 | 3,800 | 17931982 |
| 368704 | Jan 16, 1990 | Jan 16, 1990 | Caprock Engineering, Inc. | Betty #1 | 3,350 | 17931981 |
| 366536 | Nov 16, 1989 | Nov 16, 1989 | Harken Exploration Company | Brown #A 2 | 3,500 | 17931979 |
| 366535 | Nov 16, 1989 | Nov 16, 1989 | Harken Exploration Company | Covey #6 | 3,500 | 17931980 |
| 366533 | Nov 16, 1989 | Nov 16, 1989 | Harken Exploration Company | Eakin #7 | 3,500 | 17931975 |
| 366532 | Nov 16, 1989 | Nov 16, 1989 | Harken Exploration Company | Eakin #8 | 3,500 | 17931976 |
| 366531 | Nov 16, 1989 | Nov 16, 1989 | Harken Exploration Company | Eakin #10 | 3,500 | 17931977 |
| 366529 | Nov 16, 1989 | Nov 16, 1989 | Harken Exploration Company | Eakin #9 | 3,500 | 17931978 |
| 366529Amendment | Nov 16, 1989 | Nov 16, 1989 | Harken Exploration Company | Eakin #9 | 3,500 | 17931978 |
| 366109 | Nov 15, 1989 | Nov 15, 1989 | Texaco Inc. | Shaw, M. A. #9 | 3,200 | 17931974 |
| 365972 | Nov 7, 1989 | Nov 7, 1989 | Harken Exploration Company | Eakin #6 | 3,500 | 17931973 |
| 365971 | Nov 7, 1989 | Nov 7, 1989 | Harken Exploration Company | Covey #5 | 3,500 | 17931972 |
| 365971Amendment | Nov 7, 1989 | Nov 7, 1989 | Harken Exploration Company | Covey #5 | 3,500 | 17931972 |
| 365953 | Nov 7, 1989 | Nov 7, 1989 | Harken Exploration Company | Eakin #5 | 3,500 | 17931971 |
| 365560 | Oct 26, 1989 | Oct 26, 1989 | Harken Exploration Company | Brown #A 1 | 3,500 | 17931970 |
| 365560Amendment | Oct 26, 1989 | Oct 26, 1989 | Harken Exploration Company | Brown #A 1 | 3,500 | 17931970 |
| 365143 | Oct 13, 1989 | Oct 13, 1989 | Harken Exploration Company | Brown #1 | 3,500 | 17931969 |
| 364491 | Sep 29, 1989 | Sep 29, 1989 | Caprock Engineering, Inc. | Heidi #2A | 3,350 | 17931968 |
| 364448 | Sep 27, 1989 | Sep 27, 1989 | Harken Exploration Company | Eakin #2 | 3,500 | 17931967 |
| 364447 | Sep 27, 1989 | Sep 27, 1989 | Harken Exploration Company | Eakin #3 | 3,500 | 17931966 |
| 364447Amendment | Sep 27, 1989 | Sep 27, 1989 | Harken Exploration Company | Eakin #3 | 3,500 | 17931966 |
| 364446 | Sep 27, 1989 | Sep 27, 1989 | Harken Exploration Company | Eakin #4 | 3,500 | 17931965 |
| 363767 | Sep 14, 1989 | Sep 14, 1989 | VRK Operating Company, Inc. | Barrett #1312 | 3,800 | 17931964 |
| 363309 | Aug 28, 1989 | Aug 28, 1989 | Phillips Petroleum Company | Johnson AA #W 01 | 750 | 17931963 |
| 360406 | Jun 15, 1989 | Jun 15, 1989 | Harken Exploration Company | Covey #4 | 3,500 | 17931962 |
| 360305 | Jun 13, 1989 | Jun 13, 1989 | Travelers Oil Company | Perkins #8 | 3,200 | 17931961 |
| 360303 | Jun 13, 1989 | Jun 13, 1989 | Travelers Oil Company | Perkins #7 | 3,200 | 17931960 |
| 360115 | Jun 6, 1989 | Jun 6, 1989 | Harken Exploration Company | Weinheimer #1 | 3,500 | 17931959 |
| 360040 | Jun 5, 1989 | Jun 5, 1989 | Harken Exploration Company | Anderson, Clarence "A" #6 | 3,550 | 17931958 |
| 360039 | Jun 5, 1989 | Jun 5, 1989 | Harken Exploration Company | Covey #3 | 3,500 | 17931957 |
| 360038 | Jun 5, 1989 | Jun 5, 1989 | Harken Exploration Company | Covey #2 | 3,500 | 17931956 |
| 360037 | Jun 5, 1989 | Jun 5, 1989 | Harken Exploration Company | Eakin #1 | 3,500 | 17931955 |
| 359864 | May 31, 1989 | May 31, 1989 | VRK Operating Company, Inc. | Barrett #1321 | 3,500 | 17931954 |
| 359863 | May 31, 1989 | May 31, 1989 | VRK Operating Company, Inc. | Barrett #1311 | 3,500 | 17931953 |
| 359863Amendment | May 31, 1989 | May 31, 1989 | VRK Operating Company, Inc. | Barrett #1311 | 3,500 | 17931953 |
| 359432 | May 16, 1989 | May 16, 1989 | Harken Exploration Company | Covey #1 | 3,500 | 17931952 |