| 327289 | Mar 6, 1987 | Mar 6, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #275400335745 | 4,700 |
| 327288 | Mar 6, 1987 | Mar 6, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #145400335744 | 4,700 |
| 327284 | Mar 6, 1987 | Mar 6, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #134600335747 | 4,700 |
| 327283 | Mar 6, 1987 | Mar 6, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #134800335746 | 4,700 |
| 327282 | Mar 6, 1987 | Mar 6, 1987 | Exxon Corp. | Andrews | Means/San Andres/Unit #265600335748 | 4,700 |
| 327216 | Mar 6, 1987 | Mar 6, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #171349931537 | 5,375 |
| 327211 | Mar 5, 1987 | Mar 5, 1987 | Exxon Corp. | Jim Wells | King Ranch Morgan #M 7124931218 | 5,925 |
| 326326 | Mar 5, 1987 | Mar 5, 1987 | Exxon Corp. | Wharton | Cockburn, H. C. #13448132888 | 7,483 |
| 327215 | Mar 4, 1987 | Mar 4, 1987 | Exxon Corp. | Kenedy | Sarita Gas Unit No. 7 #526130881 | 3,450 |
| 327213 | Mar 4, 1987 | Mar 4, 1987 | Exxon Corp. | Kleberg | King Ranch Morgan #M 9627331918 | 6,350 |
| 327212 | Mar 4, 1987 | Mar 4, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #7527301328 | 7,200 |
| 325480 | Mar 3, 1987 | Mar 3, 1987 | Exxon Corp. | Wharton | Cockburn, H. C. #11048132474 | 7,150 |
| 327087 | Feb 27, 1987 | Feb 27, 1987 | Exxon Corp. | Cherokee | Green, Verneler #1507330723 | 5,270 |
| 327145 | Feb 26, 1987 | Feb 26, 1987 | Exxon Corp. | Chambers | RFR Tract 247 #17507130444 | 10,500 |
| 327140 | Feb 26, 1987 | Feb 26, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #403349931536 | 5,150 |
| 327138 | Feb 26, 1987 | Feb 26, 1987 | Exxon Corp. | Harris | Webster Field Unit #214420132068 | 6,150 |
| 327138Amendment | Feb 26, 1987 | Feb 26, 1987 | Exxon Corp. | Harris | Webster Field Unit #214420132068 | 6,150 |
| 326995 | Feb 26, 1987 | Feb 26, 1987 | Exxon Corp. | Glasscock | Jurecek, C. J. #117331971 | 10,500 |
| 327029 | Feb 25, 1987 | Feb 25, 1987 | Exxon Corp. | Willacy | Sauz Ranch Mulatos Pasture #14948900561 | 6,500 |
| 327029Amendment | Feb 25, 1987 | Feb 25, 1987 | Exxon Corp. | Willacy | Sauz Ranch Mulatos Pasture #14948900561 | 6,500 |
| 327028 | Feb 25, 1987 | Feb 25, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #54627331257 | 7,562 |
| 327013 | Feb 25, 1987 | Feb 25, 1987 | Exxon Corp. | Kleberg | King Ranch East Laureles #B 1627331686 | 9,303 |
| 326572 | Feb 25, 1987 | Feb 25, 1987 | Exxon Corp. | Kleberg | King Ranch East Laureles #B 2527331941 | 8,050 |
| 326868 | Feb 23, 1987 | Feb 23, 1987 | Exxon Corp. | Anderson | Eaton, G. W. Estate #5300131781 | 5,260 |
| 326868Amendment | Feb 23, 1987 | Feb 23, 1987 | Exxon Corp. | Anderson | Eaton, G. W. Estate #5300131781 | 5,260 |
| 326868Amendment | Feb 23, 1987 | Feb 23, 1987 | Exxon Corp. | Anderson | Eaton, G. W. Estate #5500131781 | 4,999 |
| 326718 | Feb 23, 1987 | Feb 23, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #362149902265 | 5,320 |
| 326559 | Feb 23, 1987 | Feb 23, 1987 | Exxon Corp. | Chambers | Red Fish Reef F-4 Sd.unit No. 1 #21007131813 | 9,850 |
| 326781 | Feb 20, 1987 | Feb 20, 1987 | Exxon Corp. | Duval | White, Paul E. "B" #12813136726 | 2,498 |
| 326633 | Feb 20, 1987 | Feb 20, 1987 | Exxon Corp. | Wharton | Cockburn, H. C. #8848103656 | 6,960 |
| 325597 | Feb 18, 1987 | Feb 18, 1987 | Exxon Corp. | Chambers | RFR Tract 225 #4607102888 | 11,258 |
| 325596 | Feb 18, 1987 | Feb 18, 1987 | Exxon Corp. | Chambers | RFR Tract 225 #17007103488 | 11,145 |
| 326723 | Feb 17, 1987 | Feb 17, 1987 | Exxon Corp. | Kenedy | East, S. K. Mrs #12726130644 | 9,800 |
| 326584 | Feb 17, 1987 | Feb 17, 1987 | Exxon Corp. | Kenedy | Kleberg, R. J. Jr. Tr. Stillman #3126130180 | 9,475 |
| 326547 | Feb 17, 1987 | Feb 17, 1987 | Exxon Corp. | Kleberg | King Ranch East Laurles #B 2127331898 | 8,050 |
| 326546 | Feb 17, 1987 | Feb 17, 1987 | Exxon Corp. | Starr | Juarez, E. #342700323 | 7,025 |
| 326545 | Feb 17, 1987 | Feb 17, 1987 | Exxon Corp. | Kenedy | East, S. K. Mrs. #13526130711 | 10,050 |
| 326544 | Feb 17, 1987 | Feb 17, 1987 | Exxon Corp. | Brooks | Kleberg,rj Jr.tr.viboras Pasture #7004730617 | 8,701 |
| 326587 | Feb 13, 1987 | Feb 13, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #435449931534 | 5,000 |
| 326586 | Feb 13, 1987 | Feb 13, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #234649931533 | 4,870 |
| 326398 | Feb 12, 1987 | Feb 12, 1987 | Exxon Corp. | Duval | Exxon-Dowdy Fee #3613136988 | 3,460 |
| 325964 | Feb 12, 1987 | Feb 12, 1987 | Exxon Corp. | Brooks | Viboras Field Gas Unit No. 1 #V 7404730612 | 8,700 |
| 325591 | Feb 12, 1987 | Feb 12, 1987 | Exxon Corp. | Fort Bend | Davis, J. H. P. #6015731081 | 5,400 |
| 326452 | Feb 11, 1987 | Feb 11, 1987 | Exxon Corp. | Matagorda | Bouldin-Taylor Gas Unit 1 #232130888 | 11,700 |
| 326452Amendment | Feb 11, 1987 | Feb 11, 1987 | Exxon Corp. | Matagorda | Bouldin-Taylor Gas Unit 1 #232130888 | 11,700 |
| 326307 | Feb 11, 1987 | Feb 11, 1987 | Exxon Corp. | Montgomery | Conroe Field Unit #195233930766 | 5,200 |
| 326307Amendment | Feb 11, 1987 | Feb 11, 1987 | Exxon Corp. | Montgomery | Conroe Field Unit #195233930766 | 5,200 |
| 325962 | Feb 9, 1987 | Feb 9, 1987 | Exxon Corp. | Brooks | Kleberg,rj Jr.tr.viboras Pasture #7804730654 | 8,700 |
| 325962Amendment | Feb 9, 1987 | Feb 9, 1987 | Exxon Corp. | Brooks | Viboras Field Gas Unit #1 #V 7804730654 | 8,700 |
| 325961 | Feb 9, 1987 | Feb 9, 1987 | Exxon Corp. | Kenedy | Sarita Field Oil & Gas Unit #16126130701 | 8,250 |
| 325659 | Feb 9, 1987 | Feb 9, 1987 | Exxon Corp. | Kenedy | Jones, Mildred E. #126130936 | 5,195 |
| 325659Amendment | Feb 9, 1987 | Feb 9, 1987 | Exxon Corp. | Kenedy | Jones, Mildred E. #126130936 | 5,195 |
| 326188 | Feb 5, 1987 | Feb 5, 1987 | Exxon Corp. | Cherokee | Cunningham, T. J. Estate #1507330721 | 5,276 |
| 326187 | Feb 5, 1987 | Feb 5, 1987 | Exxon Corp. | Cherokee | Carter, Harry Lee "E" #1207330722 | 5,335 |
| 325988 | Feb 3, 1987 | Feb 3, 1987 | Exxon Corp. | Brooks | Scott & Hooper #4004731057 | 8,900 |
| 325865 | Feb 3, 1987 | Feb 3, 1987 | Exxon Corp. | Brooks | Viboras Field Gas Unit No. 1 #V10804731227 | 8,900 |
| 326086 | Feb 2, 1987 | Feb 2, 1987 | Exxon Corp. | Andrews | Fasken "19" #100335723 | 14,500 |
| 325958 | Feb 2, 1987 | Feb 2, 1987 | Exxon Corp. | Jim Wells | King Ranch Seelingson #17824903751 | 7,825 |
| 325866 | Feb 2, 1987 | Feb 2, 1987 | Exxon Corp. | Chambers | RFR Tract 246 #21307131812 | 9,600 |
| 325976 | Jan 29, 1987 | Jan 29, 1987 | Exxon Corp. | Chambers | Trinity Bay State Unit No. 1 #3407102625 | 8,400 |
| 325863 | Jan 29, 1987 | Jan 29, 1987 | Exxon Corp. | Starr | Montalvo, N. R. & E. A. #2542730089 | 4,890 |
| 325809 | Jan 28, 1987 | Jan 28, 1987 | Exxon Corp. | Andrews | Fasken "19" #100335718 | 14,500 |
| 325476 | Jan 27, 1987 | Jan 27, 1987 | Exxon Corp. | Kenedy | Sarita Gas Unit No. 7 #526130881 | 3,450 |
| 334110Amendment | Jan 25, 1987 | Jan 25, 1987 | Exxon Corp. | Chambers | RFR Tract 224 #21107131832 | 9,200 |
| 325729 | Jan 22, 1987 | Jan 22, 1987 | Exxon Corp. | Chambers | Red Fish Reef F-4 Sd. Unit No. 1 #4207102908 | 10,850 |
| 325728 | Jan 22, 1987 | Jan 22, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #951349931528 | 5,000 |
| 325640 | Jan 22, 1987 | Jan 22, 1987 | Exxon Corp. | Starr | McGill Bros. #44042730423 | 5,555 |
| 325629 | Jan 22, 1987 | Jan 22, 1987 | Exxon Corp. | Willacy | Sauz Ranch Mulatos Pasture #12048900210 | 8,000 |
| 325681 | Jan 21, 1987 | Jan 21, 1987 | Exxon Corp. | Anderson | Carter, Harry Lee "D" #400131776 | 5,350 |
| 325428 | Jan 21, 1987 | Jan 21, 1987 | Exxon Corp. | Brooks | Sullivan, D. J. "B" #7604731369 | 8,400 |
| 325520 | Jan 20, 1987 | Jan 20, 1987 | Exxon Corp. | Loving | Santa FE Andover #330130731 | 6,800 |
| 325519 | Jan 20, 1987 | Jan 20, 1987 | Exxon Corp. | Loving | Brelsford, M. #330130732 | 6,800 |
| 325518 | Jan 20, 1987 | Jan 20, 1987 | Exxon Corp. | Loving | TXL "13" #1430130733 | 6,800 |
| 325517 | Jan 20, 1987 | Jan 20, 1987 | Exxon Corp. | Loving | TXL "13" #1530130734 | 6,800 |
| 325516 | Jan 20, 1987 | Jan 20, 1987 | Exxon Corp. | Andrews | Putnam, G. D. "F" #100335714 | 9,600 |
| 325595 | Jan 19, 1987 | Jan 19, 1987 | Exxon Corp. | Chambers | RFR Tract 200 #19507131485 | 12,906 |
| 325594 | Jan 19, 1987 | Jan 19, 1987 | Exxon Corp. | Chambers | RFR Tract 200 #18607131445 | 12,825 |
| 325594Amendment | Jan 19, 1987 | Jan 19, 1987 | Exxon Corp. | Chambers | RFR Tract 200 #18607131445 | 12,825 |
| 325593 | Jan 19, 1987 | Jan 19, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #171549931526 | 5,450 |
| 325592 | Jan 19, 1987 | Jan 19, 1987 | Exxon Corp. | Chambers | RFR Tract 246 #18207131220 | 11,570 |
| 325479 | Jan 16, 1987 | Jan 16, 1987 | Exxon Corp. | Brooks | Kleberg, R.j.jr.tr. Viboras Past #5404730139 | 7,550 |
| 325478 | Jan 16, 1987 | Jan 16, 1987 | Exxon Corp. | Hidalgo | Santa FE Ranch B #1521500017 | 9,300 |
| 325500 | Jan 15, 1987 | Jan 15, 1987 | Exxon Corp. | Chambers | RFR Tract 225 #5007102887 | 10,000 |
| 325499 | Jan 15, 1987 | Jan 15, 1987 | Exxon Corp. | Chambers | RFR Tract 224 #3407102906 | 10,614 |
| 325402 | Jan 13, 1987 | Jan 13, 1987 | Exxon Corp. | Kaufman | Hardy, Sarah Estate #125700422 | 3,752 |
| 325330 | Jan 13, 1987 | Jan 13, 1987 | Exxon Corp. | Loving | Santa FE Andover #230130728 | 6,800 |
| 325290 | Jan 12, 1987 | Jan 12, 1987 | Exxon Corp. | Anderson | Davenport, H. S. Estate #700131775 | 5,260 |
| 325217 | Jan 12, 1987 | Jan 12, 1987 | Exxon Corp. | Willacy | Bell, S. H. 'B' #548930604 | 7,906 |
| 324547 | Jan 9, 1987 | Jan 9, 1987 | Exxon Corp. | Harris | Tomball GU 2 #1420100133 | 6,700 |
| 325143 | Jan 8, 1987 | Jan 8, 1987 | Exxon Corp. | Brooks | Santa FE Ranch #8004731209 | 7,100 |
| 325142 | Jan 8, 1987 | Jan 8, 1987 | Exxon Corp. | Brooks | Santa FE Ranch #4804730754 | 7,200 |
| 325141 | Jan 8, 1987 | Jan 8, 1987 | Exxon Corp. | Kenedy | Armstrong, Charles M. #4926130464 | 7,300 |
| 325063 | Jan 8, 1987 | Jan 8, 1987 | Exxon Corp. | Brooks | Santa FE Ranch #7604731100 | 9,040 |
| 323326 | Jan 2, 1987 | Jan 2, 1987 | Exxon Corp. | Houston | Trinity State Bank #622500518 | 2,941 |
| 321101 | Dec 31, 1986 | Dec 31, 1986 | Exxon Corp. | Garza | Exxon Fee "G" #5316932730 | 2,700 |
| 324786 | Dec 30, 1986 | Dec 30, 1986 | Exxon Corp. | Kent | Elkins, Herman W. #126331236 | 7,850 |
| 324786Amendment | Dec 30, 1986 | Dec 30, 1986 | Exxon Corp. | Kent | Elkins, Herman W. #126331236 | 8,000 |
| 324716 | Dec 30, 1986 | Dec 30, 1986 | Exxon Corp. | Kenedy | Armstrong, Charles M. #7026130724 | 9,915 |
| 324604 | Dec 22, 1986 | Dec 22, 1986 | Exxon Corp. | Wood | Hawkins Field Unit #441249931522 | 5,500 |
| 324523 | Dec 18, 1986 | Dec 18, 1986 | Exxon Corp. | Wood | Hawkins Field Unit #941349931521 | 5,415 |