| 346262 | May 11, 1988 | May 11, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #694600336152 | 7,400 |
| 346261 | May 11, 1988 | May 11, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #673700336151 | 7,400 |
| 346260 | May 11, 1988 | May 11, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #673800336150 | 7,400 |
| 346259 | May 11, 1988 | May 11, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #683800336154 | 7,400 |
| 346258 | May 11, 1988 | May 11, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #704400336155 | 7,400 |
| 346257 | May 11, 1988 | May 11, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #104400336156 | 4,700 |
| 346256 | May 11, 1988 | May 11, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #125400336158 | 4,700 |
| 346255 | May 11, 1988 | May 11, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #85400336157 | 4,700 |
| 346365 | May 10, 1988 | May 10, 1988 | Exxon Corp. | Titus | Blalock, A.J. #944930494 | 4,400 |
| 346364 | May 10, 1988 | May 10, 1988 | Exxon Corp. | Jefferson | McFaddin Trust #9324531944 | 6,600 |
| 346364Amendment | May 10, 1988 | May 10, 1988 | Exxon Corp. | Jefferson | McFaddin Trust #9324531944 | 6,600 |
| 346157 | May 10, 1988 | May 10, 1988 | Exxon Corp. | Kleberg | King Ranch Morgan #P 2427332097 | 7,250 |
| 345686 | May 10, 1988 | May 10, 1988 | Exxon Corp. | Fort Bend | George, A. P. #2115731774 | 5,500 |
| 346343 | May 9, 1988 | May 9, 1988 | Exxon Corp. | Fort Bend | Lockwood & Sharp -A- #10115731574 | 3,900 |
| 345992 | May 9, 1988 | May 9, 1988 | Exxon Corp. | Chambers | Trinity Bay State Unit 1 #3407102625 | 8,400 |
| 346138 | May 6, 1988 | May 6, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #694400336149 | 7,400 |
| 346137 | May 6, 1988 | May 6, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #762700336148 | 7,400 |
| 346121 | May 5, 1988 | May 5, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #673900336146 | 7,400 |
| 346032 | May 5, 1988 | May 5, 1988 | Exxon Corp. | Refugio | Heard, J. F. B. #2539131704 | 4,580 |
| 345818 | May 5, 1988 | May 5, 1988 | Exxon Corp. | Kleberg | King Ranch Seeligson #E13927332110 | 8,500 |
| 346086 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Jefferson | Exxon Fee Dewitt #424531943 | 10,300 |
| 346039 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #4113131035 | 5,450 |
| 346039Amendment | May 4, 1988 | May 4, 1988 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #4113131035 | 5,450 |
| 346039Amendment | May 4, 1988 | May 4, 1988 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #4113131035 | 5,266 |
| 346038 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Brooks | R. J. K. Jr. Tr. Viboras Pasture #12804731456 | 9,800 |
| 346038Amendment | May 4, 1988 | May 4, 1988 | Exxon Corp. | Brooks | Kleberg,rj.jr.tr.viboras Pasture #12804731456 | 9,800 |
| 346037 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Kleberg | King Ranch Alazan #41727331999 | 11,100 |
| 346031 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Wilson | Dzuik, Charles #249331069 | 8,700 |
| 346031Amendment | May 4, 1988 | May 4, 1988 | Exxon Corp. | Wilson | Dzuik, Charles #249331069 | 8,700 |
| 346030 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Brooks | McGill Bros. #38404701627 | 6,400 |
| 346030Amendment | May 4, 1988 | May 4, 1988 | Exxon Corp. | Brooks | McGill Bros. #38404701627 | 6,400 |
| 345999 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Starr | McGill Bros. #53542732264 | 7,225 |
| 345973 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Andrews | Freund D #100336142 | 7,500 |
| 345274 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Jackson | Vanderbilt State #1723902904 | 6,435 |
| 345273 | May 4, 1988 | May 4, 1988 | Exxon Corp. | Jackson | Vanderbilt State #24D23902910 | 5,850 |
| 345871 | May 3, 1988 | May 3, 1988 | Exxon Corp. | Kleberg | King Ranch Borregos #49227330176 | 6,965 |
| 345984 | May 2, 1988 | May 2, 1988 | Exxon Corp. | Chambers | Middleton, A. D. a/C #1 #11007131569 | 8,160 |
| 345982 | May 2, 1988 | May 2, 1988 | Exxon Corp. | Montgomery | Conroe Field Unit #353833930813 | 5,400 |
| 345872 | May 2, 1988 | May 2, 1988 | Exxon Corp. | Kleberg | King Ranch Borregos #31027300111 | 7,150 |
| 345872Amendment | May 2, 1988 | May 2, 1988 | Exxon Corp. | Kleberg | King Ranch Borregos #31027300111 | 7,150 |
| 345870 | May 2, 1988 | May 2, 1988 | Exxon Corp. | Brooks | Santa FE Ranch #5704730785 | 8,800 |
| 345870Amendment | May 2, 1988 | May 2, 1988 | Exxon Corp. | Brooks | Santa FE Ranch #5704730785 | 8,800 |
| 345869 | May 2, 1988 | May 2, 1988 | Exxon Corp. | Brooks | Santa FE Ranch #7104730954 | 9,500 |
| 345821 | May 2, 1988 | May 2, 1988 | Exxon Corp. | Brooks | Kleberg,r.j.jr.tr.viboras Past. #8904730833 | 8,330 |
| 345887 | Apr 29, 1988 | Apr 29, 1988 | Exxon Corp. | Harris | Webster Field Unit #240920132135 | 6,100 |
| 345817 | Apr 29, 1988 | Apr 29, 1988 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #5413137111 | 4,550 |
| 345781 | Apr 28, 1988 | Apr 28, 1988 | Exxon Corp. | Chambers | Double Bayou Cons. Gas Unit NO.1 #607131047 | 9,000 |
| 345744 | Apr 28, 1988 | Apr 28, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #102400336136 | 4,700 |
| 345743 | Apr 28, 1988 | Apr 28, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #45400336135 | 4,700 |
| 345697 | Apr 28, 1988 | Apr 28, 1988 | Exxon Corp. | Brooks | Kleberg,r.j.jr.tr.patricio Past. #2004730936 | 8,650 |
| 345567 | Apr 28, 1988 | Apr 28, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #305400336134 | 4,700 |
| 344772 | Apr 28, 1988 | Apr 28, 1988 | Exxon Corp. | Harris | Tomball GU 1 #1320100360 | 5,588 |
| 334596 | Apr 28, 1988 | Apr 28, 1988 | Exxon Corp. | Upshur | Gladewater Gas Unit No. 10 #245930656 | 12,500 |
| 345726 | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Waller | Hardy, Rufus -B- #2447330444 | 3,600 |
| 345726Amendment | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Waller | Hardy, Rufus -B- #2447330444 | 3,600 |
| 345700 | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Kleberg | King Ranch Borregos #11327301186 | 7,261 |
| 345699 | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Brooks | Kleberg,r.j.jr.tr.quiteria Past. #7504730347 | 8,850 |
| 345698 | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Brooks | Scott & Hopper #3204730853 | 7,200 |
| 345696 | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Brooks | Kleberg,r.j.tr.tr.quiteria Past. #12004731415 | 9,200 |
| 345639 | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #345346132793 | 8,500 |
| 345638 | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #344346132792 | 8,500 |
| 345638Amendment | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #344346132792 | 8,500 |
| 345257 | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Brooks | Kleberg,rj Jr.tr.zach Past.state #704730809 | 8,610 |
| 344868 | Apr 27, 1988 | Apr 27, 1988 | Exxon Corp. | Jackson | Vanderbilt State #1423902901 | 6,293 |
| 345728 | Apr 26, 1988 | Apr 26, 1988 | Exxon Corp. | Jefferson | Exxon Fee Dewitt #324531942 | 10,300 |
| 345685 | Apr 25, 1988 | Apr 25, 1988 | Exxon Corp. | Chambers | Broussard-Hebert A/C-1 #5707131866 | 8,400 |
| 345569 | Apr 25, 1988 | Apr 25, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #335400336131 | 4,700 |
| 345568 | Apr 25, 1988 | Apr 25, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #285600336133 | 4,700 |
| 342634 | Apr 25, 1988 | Apr 25, 1988 | Exxon Corp. | Van Zandt | Carroll, E. E. #1446730684 | 3,450 |
| 342632 | Apr 25, 1988 | Apr 25, 1988 | Exxon Corp. | Van Zandt | Fowler, A. J. #1146730685 | 3,000 |
| 345575 | Apr 22, 1988 | Apr 22, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #65400336128 | 4,700 |
| 345574 | Apr 22, 1988 | Apr 22, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #772800336129 | 7,400 |
| 345573 | Apr 22, 1988 | Apr 22, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #762800336127 | 7,400 |
| 345539 | Apr 22, 1988 | Apr 22, 1988 | Exxon Corp. | Van Zandt | Blake, R. S. #3246730689 | 3,050 |
| 345258 | Apr 22, 1988 | Apr 22, 1988 | Exxon Corp. | Refugio | Heard, Fannie V.W. #439100791 | 5,944 |
| 345472 | Apr 21, 1988 | Apr 21, 1988 | Exxon Corp. | Kleberg | King Ranch Morgan #M11327331995 | 7,320 |
| 345464 | Apr 21, 1988 | Apr 21, 1988 | Exxon Corp. | Kleberg | King Ranch Morgan #M11527332009 | 7,320 |
| 345463 | Apr 21, 1988 | Apr 21, 1988 | Exxon Corp. | Kleberg | King Ranch Morgan #M10627331988 | 7,320 |
| 345462 | Apr 21, 1988 | Apr 21, 1988 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #2613111018 | 5,650 |
| 345461 | Apr 21, 1988 | Apr 21, 1988 | Exxon Corp. | Kleberg | King Ranch Morgan #M 9827331958 | 7,800 |
| 345460 | Apr 21, 1988 | Apr 21, 1988 | Exxon Corp. | Kenedy | Sarita Field Oil & Gas Unit #7326100305 | 8,275 |
| 345459 | Apr 21, 1988 | Apr 21, 1988 | Exxon Corp. | Brooks | Kleberg,rj Jr.tr.los Muertos Pas #4004731320 | 8,650 |
| 345391 | Apr 21, 1988 | Apr 21, 1988 | Exxon Corp. | Kenedy | East, S. K. Mrs. #14426130754 | 9,870 |
| 345388 | Apr 21, 1988 | Apr 21, 1988 | Exxon Corp. | Brooks | Kleberg,r.j.jr.tr.patricio Past. #2526130832 | 10,342 |
| 345394 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Brooks | Kelsey Unit #M38304701625 | 6,400 |
| 345393 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Kenedy | Kenedy, John G. Jr. "E" #3626130574 | 9,350 |
| 345392 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Kleberg | King Ranch Alazan #40527331818 | 9,465 |
| 345390 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Starr | Montalvo, N. R. #4242705019 | 5,200 |
| 345308 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Loving | Santa FE Andover #730130826 | 6,800 |
| 345307 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Loving | Santa FE Andover #630130825 | 6,800 |
| 345306 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Loving | Santa FE Andover #530130824 | 6,800 |
| 345306Amendment | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Loving | Santa FE Andover #530130824 | 7,000 |
| 345293 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Loving | TXL 13 B #430130828 | 6,700 |
| 345292 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Loving | TXL 13 B #330130877 | 6,700 |
| 345292Amendment | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Loving | TXL 13 "B" #330130877 | 6,700 |
| 344114 | Apr 20, 1988 | Apr 20, 1988 | Exxon Corp. | Houston | Shaw, Mollie #1322530093 | 2,936 |
| 345408 | Apr 19, 1988 | Apr 19, 1988 | Exxon Corp. | Jefferson | McFaddin Trust #9224531941 | 6,600 |
| 345206 | Apr 19, 1988 | Apr 19, 1988 | Exxon Corp. | Willacy | Kleberg, R.j.jr.tr.stillman Past #7048930741 | 9,950 |
| 344268 | Apr 19, 1988 | Apr 19, 1988 | Exxon Corp. | Kleberg | King Ranch Stratton #A 8327332076 | 6,541 |
| 344267 | Apr 19, 1988 | Apr 19, 1988 | Exxon Corp. | Kenedy | Sarita Field Oil & Gas Unit #3126100033 | 9,000 |