| 343927 | Mar 17, 1988 | Mar 17, 1988 | Exxon Corp. | Willacy | Sauz Ranch Mulatos Pasture #2648900192 | 7,950 |
| 343926 | Mar 17, 1988 | Mar 17, 1988 | Exxon Corp. | Kenedy | East, S. K. Mrs. #14226130756 | 10,250 |
| 343925 | Mar 17, 1988 | Mar 17, 1988 | Exxon Corp. | Duval | Exxon-Lichtenberger Fee #913136283 | 13,600 |
| 343924 | Mar 17, 1988 | Mar 17, 1988 | Exxon Corp. | Hidalgo | Santa FE Ranch #7021531108 | 8,050 |
| 343923 | Mar 17, 1988 | Mar 17, 1988 | Exxon Corp. | Brooks | Kleberg,rj Jr.tr.viboras Pasture #9104730879 | 9,000 |
| 343922 | Mar 17, 1988 | Mar 17, 1988 | Exxon Corp. | Atascosa | Pruitt, E. J. #1001302413 | 6,949 |
| 343921 | Mar 17, 1988 | Mar 17, 1988 | Exxon Corp. | Starr | McGill Bros. #40542705087 | 8,470 |
| 343920 | Mar 17, 1988 | Mar 17, 1988 | Exxon Corp. | Kleberg | King Ranch Borregos #57527331678 | 7,500 |
| 343942 | Mar 16, 1988 | Mar 16, 1988 | Exxon Corp. | Cherokee | Carter, Harry Lee "C" #2607330743 | 5,272 |
| 343940 | Mar 16, 1988 | Mar 16, 1988 | Exxon Corp. | Jackson | Vanderbilt State #2223902909 | 7,390 |
| 343830 | Mar 16, 1988 | Mar 16, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #346246132778 | 8,500 |
| 343828 | Mar 16, 1988 | Mar 16, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #125746132776 | 8,500 |
| 343829 | Mar 15, 1988 | Mar 15, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #136446132777 | 8,500 |
| 343794 | Mar 15, 1988 | Mar 15, 1988 | Exxon Corp. | Brooks | Kelsey Unit #25SM04700943 | 6,176 |
| 343793 | Mar 15, 1988 | Mar 15, 1988 | Exxon Corp. | Duval | Hoffman (Loma Novia 2730'SD)UNIT #409213130386 | 2,810 |
| 342085 | Mar 15, 1988 | Mar 15, 1988 | Exxon Corp. | Matagorda | Bouldin, F. V. #132100682 | 10,192 |
| 343734 | Mar 14, 1988 | Mar 14, 1988 | Exxon Corp. | Brooks | Kleberg,robert J.jr.tr.viboras #6904730616 | 8,700 |
| 343725 | Mar 14, 1988 | Mar 14, 1988 | Exxon Corp. | Brooks | Viboras Field Gas Unit No. 1 #V12504731448 | 8,300 |
| 343796 | Mar 11, 1988 | Mar 11, 1988 | Exxon Corp. | Montgomery | Conroe Field Unit #11233930808 | 5,300 |
| 343792 | Mar 11, 1988 | Mar 11, 1988 | Exxon Corp. | Brooks | McGill Bros. #37204701591 | 6,370 |
| 343792Amendment | Mar 11, 1988 | Mar 11, 1988 | Exxon Corp. | Brooks | McGill Bros. #37204701591 | 6,370 |
| 343733 | Mar 11, 1988 | Mar 11, 1988 | Exxon Corp. | Duval | Hoffman (Loma Novia 2730 Sd)unit #500613130937 | 2,760 |
| 343713 | Mar 11, 1988 | Mar 11, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #212746132775 | 8,500 |
| 343712 | Mar 11, 1988 | Mar 11, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #212646132774 | 8,500 |
| 343712Amendment | Mar 11, 1988 | Mar 11, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #212646132774 | 8,500 |
| 343711 | Mar 11, 1988 | Mar 11, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #214546132773 | 8,500 |
| 343711Amendment | Mar 11, 1988 | Mar 11, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #214546132773 | 8,500 |
| 343732 | Mar 10, 1988 | Mar 10, 1988 | Exxon Corp. | Jefferson | McFaddin Trust #9124531934 | 5,800 |
| 343731 | Mar 10, 1988 | Mar 10, 1988 | Exxon Corp. | Cherokee | Eaton, G.W. Estate #5200131826 | 5,265 |
| 343671 | Mar 10, 1988 | Mar 10, 1988 | Exxon Corp. | Andrews | Armstrong, Elizabeth D #400335527 | 9,700 |
| 343670 | Mar 10, 1988 | Mar 10, 1988 | Exxon Corp. | Irion | Williams, Pearl #1223532840 | 7,000 |
| 343660 | Mar 10, 1988 | Mar 10, 1988 | Exxon Corp. | La Salle | Schoolfield, M. S. & Bros. #528331239 | 7,450 |
| 343692 | Mar 9, 1988 | Mar 9, 1988 | Exxon Corp. | Chambers | Broussard - Hebert A/C-1 #5607131862 | 8,000 |
| 343691 | Mar 9, 1988 | Mar 9, 1988 | Exxon Corp. | Wood | Hawkins Field Unit #021849931598 | 4,900 |
| 343689 | Mar 9, 1988 | Mar 9, 1988 | Exxon Corp. | Jefferson | McFaddin Trust #9024531932 | 6,600 |
| 343689Amendment | Mar 9, 1988 | Mar 9, 1988 | Exxon Corp. | Jefferson | McFaddin Trust #9024531932 | 6,600 |
| 343689Amendment | Mar 9, 1988 | Mar 9, 1988 | Exxon Corp. | Jefferson | McFaddin Trust #9024531932 | 6,600 |
| 343615 | Mar 9, 1988 | Mar 9, 1988 | Exxon Corp. | Pecos | Fort Stockton Unit #61337133099 | 3,480 |
| 343614 | Mar 9, 1988 | Mar 9, 1988 | Exxon Corp. | Pecos | Fort Stockton Unit #22637135292 | 3,450 |
| 343604 | Mar 7, 1988 | Mar 7, 1988 | Exxon Corp. | Harris | Gaillard Peninsula #6220132127 | 4,500 |
| 343603 | Mar 7, 1988 | Mar 7, 1988 | Exxon Corp. | Nacogdoches | Trawick Gas Unit No. 7 #434731534 | 9,000 |
| 343602 | Mar 7, 1988 | Mar 7, 1988 | Exxon Corp. | Harris | Webster Field Unit #201320132128 | 6,100 |
| 343487 | Mar 4, 1988 | Mar 4, 1988 | Exxon Corp. | Andrews | Wilson, H. M. "A" #1100336086 | 8,700 |
| 343484 | Mar 4, 1988 | Mar 4, 1988 | Exxon Corp. | Titus | McPeters, G. A. Act. #1 #1444930489 | 4,380 |
| 343425 | Mar 4, 1988 | Mar 4, 1988 | Exxon Corp. | Gaines | Robertson Clearfork Unit #80316533919 | 7,200 |
| 343424 | Mar 4, 1988 | Mar 4, 1988 | Exxon Corp. | Gaines | Robertson Clearfork Unit #80116533918 | 7,200 |
| 343452 | Mar 3, 1988 | Mar 3, 1988 | Exxon Corp. | Franklin | Exxon Penn Fee #8215930442 | 4,400 |
| 343381 | Mar 3, 1988 | Mar 3, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #136346132769 | 8,500 |
| 343380 | Mar 3, 1988 | Mar 3, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #136246132768 | 8,500 |
| 343355 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #206A00336080 | 4,700 |
| 343354 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #1406A00336081 | 4,700 |
| 343353 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #1506A00336082 | 4,700 |
| 343352 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #2504A00336083 | 4,700 |
| 343351 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #2604A00336084 | 4,700 |
| 343350 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #1304A00336079 | 4,700 |
| 343349 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #1904A00336078 | 4,700 |
| 343348 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #514A00336077 | 4,700 |
| 343347 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #404A00336076 | 4,700 |
| 343346 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #406A00336075 | 4,700 |
| 343260 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Kleberg | King Ranch East Laureles #B 2127331898 | 8,050 |
| 343255 | Mar 2, 1988 | Mar 2, 1988 | Exxon Corp. | Kenedy | Armstrong, Charles M. #4726130458 | 9,875 |
| 343356 | Mar 1, 1988 | Mar 1, 1988 | Exxon Corp. | Montgomery | Conroe Field Unit #208333930807 | 5,300 |
| 343282 | Mar 1, 1988 | Mar 1, 1988 | Exxon Corp. | Reagan | Sherrod Unit #80538333879 | 8,000 |
| 343281 | Mar 1, 1988 | Mar 1, 1988 | Exxon Corp. | Reagan | Sherrod Unit #140138333878 | 8,000 |
| 343265 | Mar 1, 1988 | Mar 1, 1988 | Exxon Corp. | Brooks | Kleberg, R.j.jr.tr.zach.past.st. #1404731066 | 8,700 |
| 343265Amendment | Mar 1, 1988 | Mar 1, 1988 | Exxon Corp. | Brooks | Kleberg, R.j.jr.tr.zach.past.st. #1404731066 | 8,700 |
| 343326 | Feb 29, 1988 | Feb 29, 1988 | Exxon Corp. | Franklin | Exxon Penn Fee #8315930441 | 4,880 |
| 343235 | Feb 29, 1988 | Feb 29, 1988 | Exxon Corp. | Kleberg | King Ranch Alazan #32827331353 | 6,220 |
| 342934 | Feb 29, 1988 | Feb 29, 1988 | Exxon Corp. | Gaines | Robertson Clearfork Unit #110316533902 | 7,200 |
| 343182 | Feb 26, 1988 | Feb 26, 1988 | Exxon Corp. | Montgomery | Conroe Field Unit #401033901295 | 5,105 |
| 343084 | Feb 26, 1988 | Feb 26, 1988 | Exxon Corp. | Calhoun | Cox Bay State Tract No. 59 #105731450 | 12,250 |
| 343057 | Feb 26, 1988 | Feb 26, 1988 | Exxon Corp. | Kenedy | Sarita Field Oil & Gas Unit #20926131082 | 8,690 |
| 343205 | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Wood | Hawkins Field Unit #337449931596 | 5,000 |
| 343153 | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Andrews | Parker, J. E. a/C 1 #9300334283 | 8,954 |
| 343102 | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Andrews | State University "GA" #100336073 | 8,600 |
| 343101 | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Andrews | State University "GB" #100336072 | 8,600 |
| 343101Amendment | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Andrews | State University "GB" #100336072 | 9,100 |
| 343085 | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Kleberg | King Ranch East Laureles #B 3027332104 | 9,100 |
| 343026 | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Gaines | Robertson Clearfork Unit #48016533901 | 7,200 |
| 343023 | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Gaines | Robertson Clearfork Unit #750116533904 | 7,200 |
| 343022 | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Gaines | Robertson Clearfork Unit #111116533903 | 7,200 |
| 342935 | Feb 25, 1988 | Feb 25, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #592700336070 | 7,400 |
| 343087 | Feb 24, 1988 | Feb 24, 1988 | Exxon Corp. | Colorado | S. Mayes G. U. 11 #107131621 | 12,400 |
| 343054 | Feb 23, 1988 | Feb 23, 1988 | Exxon Corp. | Upton | Midkiff Unit #350546132758 | 8,400 |
| 343053 | Feb 23, 1988 | Feb 23, 1988 | Exxon Corp. | Upton | Midkiff Unit #380646132759 | 8,400 |
| 342924 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Smith | Cole, W. A. #142330563 | 12,800 |
| 342923 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Waller | Hardy, Rufus -B- #2147330442 | 4,500 |
| 342882 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Brooks | Kleberg,rj Jr.tr.quiteria Past. #12904731519 | 8,950 |
| 342881 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #5213137095 | 4,550 |
| 342879 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Brooks | Mariposa Field Gas Unit #S 304731436 | 10,720 |
| 342879Amendment | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Brooks | Mariposa Field Gas Unit #S 304731436 | 10,720 |
| 342879Amendment | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Brooks | Mariposa Field Gas Unit #S 304731436 | 10,720 |
| 342878 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Willacy | Sauz Ranch Mulatos Pasture #17248930665 | 6,400 |
| 342823 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #552700336064 | 7,400 |
| 342822 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #256800336067 | 7,400 |
| 342821 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Andrews | Fullerton Clearkfork Unit #268400336066 | 7,400 |
| 342820 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #248600336063 | 7,400 |
| 342503 | Feb 22, 1988 | Feb 22, 1988 | Exxon Corp. | McMullen | Wheeler, Clifton #1831132630 | 6,700 |
| 342877 | Feb 19, 1988 | Feb 19, 1988 | Exxon Corp. | Refugio | Heard, Fannie V. W. #2839131634 | 7,230 |
| 342877Amendment | Feb 19, 1988 | Feb 19, 1988 | Exxon Corp. | Refugio | Heard, Fannie V. W. #2839131634 | 4,540 |