| 333903 | Aug 6, 1987 | Aug 6, 1987 | Exxon Corp. | Midland | Hutt, Donald L. Fee #2332931876 | 9,600 |
| 333903Amendment | Aug 6, 1987 | Aug 6, 1987 | Exxon Corp. | Midland | Hutt, Donald L. Fee #2332931876 | 9,600 |
| 333843 | Aug 6, 1987 | Aug 6, 1987 | Exxon Corp. | Brooks | Kleberg,rj Jr.tr.viboras Pasture #5604730156 | 8,725 |
| 333842 | Aug 4, 1987 | Aug 4, 1987 | Exxon Corp. | Brooks | Kleberg,rj Jr.tr.viboras Pasture #3104701515 | 8,650 |
| 333841 | Aug 4, 1987 | Aug 4, 1987 | Exxon Corp. | Kleberg | King Ranch Alazan #1527300638 | 8,975 |
| 333831 | Aug 4, 1987 | Aug 4, 1987 | Exxon Corp. | Brooks | Kleberg,rj Jr Tr.viboras Pasture #6204730264 | 8,393 |
| 333892 | Aug 3, 1987 | Aug 3, 1987 | Exxon Corp. | Cherokee | Carter, Harry Lee "E" #1407330730 | 5,280 |
| 333761 | Aug 3, 1987 | Aug 3, 1987 | Exxon Corp. | Duval | White, Paul E. "B" #13213136845 | 2,500 |
| 333642 | Aug 3, 1987 | Aug 3, 1987 | Exxon Corp. | Brooks | Kleberg,r.j.jr.tr.quiteria Past. #8304730601 | 8,700 |
| 333684 | Jul 31, 1987 | Jul 31, 1987 | Exxon Corp. | Borden | MSW Brown #203331100 | 9,917 |
| 333634 | Jul 31, 1987 | Jul 31, 1987 | Exxon Corp. | Kenedy | Armstrong, Charles M. #4726130458 | 9,875 |
| 333632 | Jul 31, 1987 | Jul 31, 1987 | Exxon Corp. | Calhoun | Welder, P. H. "A" #1505700141 | 5,486 |
| 333504 | Jul 31, 1987 | Jul 31, 1987 | Exxon Corp. | Hockley | West Levelland Unit #24021935115 | 5,000 |
| 333367 | Jul 31, 1987 | Jul 31, 1987 | Exxon Corp. | Kenedy | Kenedy, John G. Jr. "M" #326131079 | 11,300 |
| 333792 | Jul 30, 1987 | Jul 30, 1987 | Exxon Corp. | Gaines | Arco-Mobil #116533676 | 15,000 |
| 333791 | Jul 30, 1987 | Jul 30, 1987 | Exxon Corp. | Harris | Webster Field Unit #501420132089 | 6,100 |
| 333790 | Jul 30, 1987 | Jul 30, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #331849931561 | 5,500 |
| 333643 | Jul 30, 1987 | Jul 30, 1987 | Exxon Corp. | Duval | White, Paul E. "B" #9113106015 | 2,410 |
| 333641 | Jul 30, 1987 | Jul 30, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #49527330202 | 6,975 |
| 333640 | Jul 30, 1987 | Jul 30, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #54427331214 | 7,167 |
| 333633 | Jul 30, 1987 | Jul 30, 1987 | Exxon Corp. | Duval | White, Paul E. "B" #12713136643 | 2,900 |
| 333502 | Jul 29, 1987 | Jul 29, 1987 | Exxon Corp. | Cochran | West Levelland Unit #23907932299 | 5,000 |
| 333500 | Jul 29, 1987 | Jul 29, 1987 | Exxon Corp. | Cochran | West Levelland Unit #23807932297 | 5,000 |
| 333498 | Jul 29, 1987 | Jul 29, 1987 | Exxon Corp. | Cochran | West Levelland Unit #23707932298 | 5,000 |
| 333496 | Jul 29, 1987 | Jul 29, 1987 | Exxon Corp. | Cochran | West Levelland Unit #23207932296 | 5,000 |
| 333495 | Jul 29, 1987 | Jul 29, 1987 | Exxon Corp. | Cochran | West Levelland Unit #23007932294 | 5,000 |
| 333494 | Jul 29, 1987 | Jul 29, 1987 | Exxon Corp. | Cochran | West Levelland Unit #22107932295 | 5,000 |
| 333493 | Jul 29, 1987 | Jul 29, 1987 | Exxon Corp. | Howard | Douthit, E. W. "B" #1722734179 | 4,200 |
| 333656 | Jul 28, 1987 | Jul 28, 1987 | Exxon Corp. | Titus | Temples, T. G. #1144930482 | 4,880 |
| 333656Amendment | Jul 28, 1987 | Jul 28, 1987 | Exxon Corp. | Titus | Temples, T. G. #1144930482 | 4,880 |
| 333655 | Jul 28, 1987 | Jul 28, 1987 | Exxon Corp. | Franklin | Young, J. C. Heirs #1715930427 | 4,940 |
| 333379 | Jul 27, 1987 | Jul 27, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #315400335864 | 4,700 |
| 333378 | Jul 27, 1987 | Jul 27, 1987 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #703200335863 | 7,400 |
| 332847 | Jul 27, 1987 | Jul 27, 1987 | Exxon Corp. | Kleberg | King Ranch East Laureles #G 3427330546 | 6,605 |
| 331660 | Jul 27, 1987 | Jul 27, 1987 | Exxon Corp. | Upshur | Gladewater Gas Unit 2 #245930654 | 12,500 |
| 327104 | Jul 24, 1987 | Jul 24, 1987 | Exxon Corp. | San Patricio | Mayo, J. W. a/C 1 #8640932050 | 5,935 |
| 327104Amendment | Jul 24, 1987 | Jul 24, 1987 | Exxon Corp. | San Patricio | Mayo, J. W. a/C 1 #8640932050 | 5,935 |
| 333401 | Jul 23, 1987 | Jul 23, 1987 | Exxon Corp. | Harris | Simms-Sweet #4020131237 | 3,200 |
| 333392 | Jul 23, 1987 | Jul 23, 1987 | Exxon Corp. | Harris | Simms-Sweet #3820131236 | 3,262 |
| 333387 | Jul 23, 1987 | Jul 23, 1987 | Exxon Corp. | Hartley | Proctor, Foy #220530188 | 6,100 |
| 333069 | Jul 22, 1987 | Jul 22, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #245600335852 | 4,700 |
| 333068 | Jul 22, 1987 | Jul 22, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #25800335851 | 4,700 |
| 333067 | Jul 22, 1987 | Jul 22, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #185800335854 | 4,700 |
| 333066 | Jul 22, 1987 | Jul 22, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #610400335853 | 4,700 |
| 332673 | Jul 22, 1987 | Jul 22, 1987 | Exxon Corp. | Chambers | Red Fish Reef F-4 S. Unit No. 1 #21207131824 | 10,350 |
| 333192 | Jul 21, 1987 | Jul 21, 1987 | Exxon Corp. | Polk | Granbury, C. B. #9137330680 | 7,300 |
| 333121 | Jul 20, 1987 | Jul 20, 1987 | Exxon Corp. | Montgomery | Conroe Field Unit #195533930778 | 5,200 |
| 333120 | Jul 20, 1987 | Jul 20, 1987 | Exxon Corp. | Cherokee | Carter, Harry Lee "C" #2807330729 | 5,270 |
| 331950 | Jul 17, 1987 | Jul 17, 1987 | Exxon Corp. | Hartley | Powell, Kenneth L. Estate "F" #120530187 | 6,500 |
| 331950Amendment | Jul 17, 1987 | Jul 17, 1987 | Exxon Corp. | Hartley | Powell, Kenneth L. Estate "F" #120530187 | 6,500 |
| 331736 | Jul 17, 1987 | Jul 17, 1987 | Exxon Corp. | Fort Bend | Lockwood & Sharp "B" #6215730901 | 5,450 |
| 332878 | Jul 16, 1987 | Jul 16, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #M 38E27331805 | 7,500 |
| 332846 | Jul 15, 1987 | Jul 15, 1987 | Exxon Corp. | Atascosa | S.P.J.S.T. Lodge #101301865 | 7,424 |
| 331674 | Jul 14, 1987 | Jul 14, 1987 | Exxon Corp. | Fort Bend | Davis, J. H. P. #9115731745 | 5,500 |
| 332747 | Jul 10, 1987 | Jul 10, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #993049931551 | 5,500 |
| 332745 | Jul 10, 1987 | Jul 10, 1987 | Exxon Corp. | Montgomery | Conroe Field Unit #551033930777 | 5,200 |
| 332744 | Jul 10, 1987 | Jul 10, 1987 | Exxon Corp. | Cherokee | Carter, Harry Lee -E- #1307330728 | 5,310 |
| 332621 | Jul 10, 1987 | Jul 10, 1987 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #5113137026 | 4,750 |
| 332620 | Jul 9, 1987 | Jul 9, 1987 | Exxon Corp. | Nueces | Flour Bluff Gas Unit No. 17 #135532580 | 9,810 |
| 332640 | Jul 8, 1987 | Jul 8, 1987 | Exxon Corp. | Cherokee | Cobb-Holman Lumber Company #2007330727 | 5,370 |
| 332559 | Jul 8, 1987 | Jul 8, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #38527301773 | 7,260 |
| 330681 | Jul 8, 1987 | Jul 8, 1987 | Exxon Corp. | Upshur | Gladewater Gas Unit No. 8 #245930653 | 12,500 |
| 332116 | Jul 7, 1987 | Jul 7, 1987 | Exxon Corp. | Brooks | Kelsey Unit #M 20E04701671 | 7,450 |
| 332440 | Jul 6, 1987 | Jul 6, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #225600335842 | 4,700 |
| 332349 | Jul 6, 1987 | Jul 6, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #M 38B27331768 | 7,350 |
| 332334 | Jul 3, 1987 | Jul 3, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #25127301297 | 8,487 |
| 332333 | Jul 3, 1987 | Jul 3, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #63127331973 | 8,425 |
| 332332 | Jul 3, 1987 | Jul 3, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #63327331984 | 7,320 |
| 332332Amendment | Jul 3, 1987 | Jul 3, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #63327331984 | 7,320 |
| 332336 | Jul 2, 1987 | Jul 2, 1987 | Exxon Corp. | Duval | Kohler, V. "A" #15013136450 | 2,835 |
| 332284 | Jul 2, 1987 | Jul 2, 1987 | Exxon Corp. | Gaines | Jenkins, Sam C. #816532011 | 9,202 |
| 348473 | Jul 1, 1987 | Jul 1, 1987 | Exxon Corp. | Montgomery | Conroe Field Unit #353933930817 | 5,220 |
| 332368 | Jul 1, 1987 | Jul 1, 1987 | Exxon Corp. | Chambers | Red Fish Reef F-4 Sd. Unit No. 1 #21207131824 | 6,000 |
| 332309 | Jul 1, 1987 | Jul 1, 1987 | Exxon Corp. | Borden | MSW Brown "B" #203331293 | 10,000 |
| 332309Amendment | Jul 1, 1987 | Jul 1, 1987 | Exxon Corp. | Borden | MSW Brown "B" #203331293 | 10,200 |
| 332287 | Jul 1, 1987 | Jul 1, 1987 | Exxon Corp. | Kenedy | King Ranch San Jose de la Parra #3626130617 | 9,350 |
| 332287Amendment | Jul 1, 1987 | Jul 1, 1987 | Exxon Corp. | Kenedy | King Ranch San Jose de la Parra #3626130617 | 9,350 |
| 330995 | Jul 1, 1987 | Jul 1, 1987 | Exxon Corp. | Nacogdoches | Trawick Gas Unit 16 #534731521 | 9,500 |
| 330825 | Jun 30, 1987 | Jun 30, 1987 | Exxon Corp. | Nacogdoches | Trawick Gas Unit 6 #634731520 | 9,500 |
| 332189 | Jun 29, 1987 | Jun 29, 1987 | Exxon Corp. | Kenedy | Armstrong, Charles M. #8726131078 | 7,380 |
| 332189Amendment | Jun 29, 1987 | Jun 29, 1987 | Exxon Corp. | Kenedy | Armstrong, Charles M. #8726131078 | 7,420 |
| 332182 | Jun 29, 1987 | Jun 29, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #59827331817 | 7,000 |
| 332182Amendment | Jun 29, 1987 | Jun 29, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #59827331817 | 7,000 |
| 332182Amendment | Jun 29, 1987 | Jun 29, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #59827331817 | 7,000 |
| 332181 | Jun 29, 1987 | Jun 29, 1987 | Exxon Corp. | Duval | Kohler, V. "A" #13813135829 | 4,320 |
| 332174 | Jun 29, 1987 | Jun 29, 1987 | Exxon Corp. | Brooks | Kleberg, R.J. Jr.tr.viboras Past #13104731486 | 8,700 |
| 330701 | Jun 29, 1987 | Jun 29, 1987 | Exxon Corp. | Crane | Tubb, J. B. a/C 1 #1710302758 | 4,440 |
| 332191 | Jun 26, 1987 | Jun 26, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #021749931550 | 5,400 |
| 332032 | Jun 25, 1987 | Jun 25, 1987 | Exxon Corp. | Kleberg | King Ranch Alazan #31127331268 | 6,200 |
| 331998 | Jun 25, 1987 | Jun 25, 1987 | Exxon Corp. | Jim Hogg | Bass, A.M.K. Mrs. #3424730404 | 8,505 |
| 331928 | Jun 24, 1987 | Jun 24, 1987 | Exxon Corp. | Andrews | Means San Andres Unit #295400335837 | 4,700 |
| 331927 | Jun 24, 1987 | Jun 24, 1987 | Exxon Corp. | Andrews | Means San Andres Unit #285400335835 | 4,700 |
| 331889 | Jun 24, 1987 | Jun 24, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #35600335836 | 4,700 |
| 331889Amendment | Jun 24, 1987 | Jun 24, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #35600335836 | 4,700 |
| 331887 | Jun 24, 1987 | Jun 24, 1987 | Exxon Corp. | Chambers | Trinity Bay State Unit No. 1 #11507130158 | 8,600 |
| 330907 | Jun 24, 1987 | Jun 24, 1987 | Exxon Corp. | Fort Bend | Lockwood & Sharp -A- #11615731744 | 5,565 |
| 331821 | Jun 23, 1987 | Jun 23, 1987 | Exxon Corp. | Montgomery | Conroe Field Unit #195433930775 | 5,200 |
| 331730 | Jun 23, 1987 | Jun 23, 1987 | Exxon Corp. | Titus | King, A. P. Acct. #2 #3S44930481 | 3,750 |
| 331242 | Jun 23, 1987 | Jun 23, 1987 | Exxon Corp. | Kenedy | East, S. K. Mrs. #9626130443 | 9,200 |
| 330365 | Jun 23, 1987 | Jun 23, 1987 | Exxon Corp. | Matagorda | Talcott "a" Unit "C" #632100597 | 9,002 |