| 372587 | Apr 26, 1990 | Apr 26, 1990 | Exxon Corp. | Duval | Duval County Ranch Co. 'K' #5413137111 | 4,550 |
| 372584 | Apr 26, 1990 | Apr 26, 1990 | Exxon Corp. | Brooks | Kleberg, R.j.jr. Tr.viboras Past #6804730599 | 8,700 |
| 372584Amendment | Apr 26, 1990 | Apr 26, 1990 | Exxon Corp. | Brooks | Kleberg, R.j.jr. Tr.viboras Past #6804730599 | 8,700 |
| 372147 | Apr 17, 1990 | Apr 17, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #55827331497 | 7,478 |
| 372147Amendment | Apr 17, 1990 | Apr 17, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #55827331497 | 7,478 |
| 370220 | Apr 17, 1990 | Apr 17, 1990 | Exxon Corp. | Galveston | Mally, F. W. #216701596 | 8,825 |
| 372038 | Apr 16, 1990 | Apr 16, 1990 | Exxon Corp. | Chambers | Trinity Bay St UT 1 #11607130160 | 8,250 |
| 371891 | Apr 10, 1990 | Apr 10, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #43527301897 | 7,570 |
| 371881 | Apr 6, 1990 | Apr 6, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #55427331463 | 7,950 |
| 371825 | Apr 6, 1990 | Apr 6, 1990 | Exxon Corp. | Refugio | O'Brien, J.M. "B" #21139130532 | 4,500 |
| 371824 | Apr 6, 1990 | Apr 6, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #54527331254 | 6,720 |
| 370706 | Apr 5, 1990 | Apr 5, 1990 | Exxon Corp. | Fort Bend | Lockwood & Sharp -A- #10115731574 | 3,900 |
| 371744 | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Starr | McGill Bros. #36642704878 | 6,570 |
| 371743 | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #22427300112 | 5,900 |
| 371742 | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #34527300471 | 7,849 |
| 371742Amendment | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #34527300471 | 7,849 |
| 371706 | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Andrews | Parker, J. E. #12000336534 | 7,264 |
| 371705 | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Ector | Yarbrough & Allen #8713530484 | 10,610 |
| 371621 | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Kleberg | King Ranch Stratton #A 6827330228 | 7,382 |
| 371620 | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Kleberg | King Ranch Alazan #40027331781 | 11,300 |
| 371619 | Apr 4, 1990 | Apr 4, 1990 | Exxon Corp. | Starr | McGill Bros. #25242700237 | 7,781 |
| 371713 | Apr 2, 1990 | Apr 2, 1990 | Exxon Corp. | Orange | Lindsey GU 1 #136130611 | 14,200 |
| 371712 | Apr 2, 1990 | Apr 2, 1990 | Exxon Corp. | Chambers | Middleton, A.D. a/C # 1 #9907131429 | 8,173 |
| 371618 | Apr 2, 1990 | Apr 2, 1990 | Exxon Corp. | Kleberg | King Ranch Seeligson #E13827332162 | 8,575 |
| 371618Amendment | Apr 2, 1990 | Apr 2, 1990 | Exxon Corp. | Kleberg | King Ranch Seeligson #E13827332162 | 8,700 |
| 371564 | Mar 28, 1990 | Mar 28, 1990 | Exxon Corp. | Austin | Thompson, R. W. #2801530073 | 4,150 |
| 371508 | Mar 28, 1990 | Mar 28, 1990 | Exxon Corp. | Starr | McGill Bros. #40542705087 | 8,470 |
| 371492 | Mar 28, 1990 | Mar 28, 1990 | Exxon Corp. | Atascosa | Pruitt, E. J. #1001302413 | 6,949 |
| 371491 | Mar 28, 1990 | Mar 28, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #57527331678 | 7,500 |
| 371280 | Mar 27, 1990 | Mar 27, 1990 | Exxon Corp. | Edwards | Winters, T. W. #113731008 | 12,000 |
| 371279 | Mar 26, 1990 | Mar 26, 1990 | Exxon Corp. | Cochran | Hudson Trustees #107932470 | 13,000 |
| 369942 | Mar 20, 1990 | Mar 20, 1990 | Exxon Corp. | Nueces | Flour Bluff Oil Unit IV #135532303 | 8,630 |
| 369042 | Mar 16, 1990 | Mar 16, 1990 | Exxon Corp. | Harris | Tomball GU 2 #120100051 | 5,597 |
| 370709 | Mar 14, 1990 | Mar 14, 1990 | Exxon Corp. | Starr | Juarez, Miguel #742731279 | 6,700 |
| 370711 | Mar 12, 1990 | Mar 12, 1990 | Exxon Corp. | Brooks | Santa FE Ranch #4204730712 | 4,700 |
| 370579 | Mar 8, 1990 | Mar 8, 1990 | Exxon Corp. | Brooks | Santa FE Ranch #3504730585 | 8,000 |
| 370593 | Mar 7, 1990 | Mar 7, 1990 | Exxon Corp. | Calhoun | Traylor, Maude B. Mrs. #805731490 | 12,200 |
| 370580 | Mar 7, 1990 | Mar 7, 1990 | Exxon Corp. | Brooks | Santa FE Ranch #3804730614 | 5,006 |
| 370534 | Mar 7, 1990 | Mar 7, 1990 | Exxon Corp. | Brooks | Trad, Amado B #104700697 | 6,932 |
| 370519 | Mar 7, 1990 | Mar 7, 1990 | Exxon Corp. | Brooks | McGill Bros. #50404731329 | 7,905 |
| 370517 | Mar 7, 1990 | Mar 7, 1990 | Exxon Corp. | Brooks | Kleberg,r. J.jr. Tr.barrosa Past #404730231 | 7,980 |
| 370516 | Mar 7, 1990 | Mar 7, 1990 | Exxon Corp. | Brooks | Kelsey Unit #M37604701626 | 7,200 |
| 370607 | Mar 6, 1990 | Mar 6, 1990 | Exxon Corp. | Austin | Waterflood Unit # 2 #11001500179 | 4,169 |
| 370409 | Mar 2, 1990 | Mar 2, 1990 | Exxon Corp. | Andrews | Wilson, H. M. "A" #200301397 | 9,845 |
| 369367 | Mar 1, 1990 | Mar 1, 1990 | Exxon Corp. | Fort Bend | Brazos River St. Tr. #4 #315730961 | 5,489 |
| 370327 | Feb 28, 1990 | Feb 28, 1990 | Exxon Corp. | Willacy | Sauz Ranch Mulatos Pasture #17248930665 | 6,400 |
| 370188 | Feb 28, 1990 | Feb 28, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #9810334029 | 6,200 |
| 370187 | Feb 28, 1990 | Feb 28, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #11410334030 | 6,200 |
| 370186 | Feb 28, 1990 | Feb 28, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #9910334031 | 6,200 |
| 369366 | Feb 28, 1990 | Feb 28, 1990 | Exxon Corp. | Harris | Weindorff, R. "B" #120100137 | 5,577 |
| 370297 | Feb 27, 1990 | Feb 27, 1990 | Exxon Corp. | Frio | Booth, F. I. Estate #1H16332656 | 10,109 |
| 370193 | Feb 27, 1990 | Feb 27, 1990 | Exxon Corp. | Upton | Pembrook Unit #10246133009 | 8,500 |
| 369102 | Feb 22, 1990 | Feb 22, 1990 | Exxon Corp. | Polk | Granbury, C. B. #2537300274 | 7,053 |
| 369943 | Feb 21, 1990 | Feb 21, 1990 | Exxon Corp. | Brooks | McGill Bros. #17104701120 | 6,800 |
| 369999 | Feb 20, 1990 | Feb 20, 1990 | Exxon Corp. | Jackson | Edwards, G. W. #123901181 | 5,228 |
| 369976 | Feb 20, 1990 | Feb 20, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #M 49E27332089 | 8,575 |
| 369975 | Feb 20, 1990 | Feb 20, 1990 | Exxon Corp. | Kleberg | King Ranch Seeligson #C19627331306 | 6,805 |
| 368830 | Feb 20, 1990 | Feb 20, 1990 | Exxon Corp. | Fort Bend | Lockwood & Sharp -A- #1915702433 | 5,232 |
| 368939 | Feb 16, 1990 | Feb 16, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #9310334014 | 6,200 |
| 368939Amendment | Feb 16, 1990 | Feb 16, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #9310334014 | 6,200 |
| 367847 | Feb 15, 1990 | Feb 15, 1990 | Exxon Corp. | Polk | Sodak Oil Co. a/C #1 #837330186 | 6,891 |
| 369718 | Feb 14, 1990 | Feb 14, 1990 | Exxon Corp. | Kenedy | East, S. K. Mrs. #17426130953 | 14,530 |
| 369718Amendment | Feb 14, 1990 | Feb 14, 1990 | Exxon Corp. | Kenedy | East, S. K. Mrs. #17426130953 | 14,530 |
| 369717 | Feb 14, 1990 | Feb 14, 1990 | Exxon Corp. | Kenedy | King Ranch San Jose de la Parra #226100287 | 12,005 |
| 369665 | Feb 13, 1990 | Feb 13, 1990 | Exxon Corp. | Kleberg | King Ranch Alazan #39827331775 | 10,500 |
| 369669 | Feb 12, 1990 | Feb 12, 1990 | Exxon Corp. | Kenedy | Sarita Field Oil & Gas Unit #12526130026 | 7,620 |
| 369666 | Feb 12, 1990 | Feb 12, 1990 | Exxon Corp. | Kenedy | Armstrong, C. M. (Area X) #6026130577 | 15,040 |
| 369666Amendment | Feb 12, 1990 | Feb 12, 1990 | Exxon Corp. | Kenedy | Armstrong, Charles M. (Area X) #6026130577 | 15,040 |
| 369664 | Feb 12, 1990 | Feb 12, 1990 | Exxon Corp. | Duval | Kohler, V. "A" #12813133918 | 5,925 |
| 369663 | Feb 12, 1990 | Feb 12, 1990 | Exxon Corp. | Duval | Kohler, V. "A" #13013134741 | 6,000 |
| 369618 | Feb 12, 1990 | Feb 12, 1990 | Exxon Corp. | Upton | Pembrook Unit #540846133004 | 8,500 |
| 369638 | Feb 9, 1990 | Feb 9, 1990 | Exxon Corp. | Jim Hogg | Bass, A.M.K. Mrs #4824731497 | 8,300 |
| 369572 | Feb 9, 1990 | Feb 9, 1990 | Exxon Corp. | Brooks | Kleberg,r.j. Jr.tr. Viboras Past #13704731548 | 8,950 |
| 369571 | Feb 9, 1990 | Feb 9, 1990 | Exxon Corp. | Kleberg | King Ranch Borregos #53927331165 | 8,362 |
| 369551 | Feb 8, 1990 | Feb 8, 1990 | Exxon Corp. | Kleberg | King Ranch Tijerina #A 8027331846 | 7,525 |
| 369533 | Feb 8, 1990 | Feb 8, 1990 | Exxon Corp. | Kleberg | King Ranch Stratton #A 7427330233 | 7,400 |
| 369510 | Feb 8, 1990 | Feb 8, 1990 | Exxon Corp. | Brooks | Kleberg,rj Jr.tr.zacahuistal Pas #1404731431 | 8,500 |
| 368540 | Feb 8, 1990 | Feb 8, 1990 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #5813137309 | 4,850 |
| 369513 | Feb 7, 1990 | Feb 7, 1990 | Exxon Corp. | Brooks | Sullivan, D. J. 'B' #6404731312 | 9,750 |
| 369512 | Feb 7, 1990 | Feb 7, 1990 | Exxon Corp. | Starr | McGill Bros. #52742732080 | 8,850 |
| 369511 | Feb 7, 1990 | Feb 7, 1990 | Exxon Corp. | Kleberg | King Ranch Alazan #34327331414 | 9,900 |
| 369262 | Jan 30, 1990 | Jan 30, 1990 | Exxon Corp. | Chambers | Broussard-Herbert A/C-1 #5707131924 | 7,150 |
| 369131 | Jan 26, 1990 | Jan 26, 1990 | Exxon Corp. | Brooks | Mariposa Field Gas Unit #S 604731571 | 10,200 |
| 369035 | Jan 24, 1990 | Jan 24, 1990 | Exxon Corp. | Chambers | RFR Tract 225 #18707131266 | 11,100 |
| 368940 | Jan 24, 1990 | Jan 24, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #10110334015 | 6,200 |
| 368938 | Jan 24, 1990 | Jan 24, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #9110334013 | 6,200 |
| 368937 | Jan 24, 1990 | Jan 24, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #8310334012 | 6,200 |
| 368949 | Jan 23, 1990 | Jan 23, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #9410334019 | 6,200 |
| 368948 | Jan 23, 1990 | Jan 23, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #9510334017 | 6,200 |
| 368947 | Jan 23, 1990 | Jan 23, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #9610334018 | 6,200 |
| 368946 | Jan 23, 1990 | Jan 23, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #10010334010 | 6,200 |
| 368945 | Jan 23, 1990 | Jan 23, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #10310334011 | 6,200 |
| 368944 | Jan 23, 1990 | Jan 23, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #10410334008 | 6,200 |
| 368943 | Jan 23, 1990 | Jan 23, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #10510334009 | 6,200 |
| 368942 | Jan 23, 1990 | Jan 23, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #10710334007 | 6,200 |
| 368941 | Jan 23, 1990 | Jan 23, 1990 | Exxon Corp. | Crane | Cordona Lake Unit #11010334016 | 6,200 |
| 368781 | Jan 22, 1990 | Jan 22, 1990 | Exxon Corp. | Kenedy | Kenedy, John G. Jr. "E" #3626130574 | 9,350 |
| 367860 | Jan 22, 1990 | Jan 22, 1990 | Exxon Corp. | Loving | TXL "13" "B" #330130877 | 6,800 |
| 368831 | Jan 19, 1990 | Jan 19, 1990 | Exxon Corp. | Chambers | Rearwin, Leila W. #207102622 | 9,090 |
| 368783 | Jan 19, 1990 | Jan 19, 1990 | Exxon Corp. | Jim Wells | King Ranch West Borregos #M101C24930537 | 5,650 |