| 356737Amendment | Mar 8, 1989 | Mar 8, 1989 | Exxon Corp. | Brooks | Sullivan, D. J. "B" #8104731389 | 8,400 |
| 356736 | Mar 8, 1989 | Mar 8, 1989 | Exxon Corp. | Kleberg | King Ranch Alazan #31427331279 | 8,900 |
| 356696 | Mar 7, 1989 | Mar 7, 1989 | Exxon Corp. | Cochran | West Levelland Unit #27307932382 | 5,200 |
| 356696Amendment | Mar 7, 1989 | Mar 7, 1989 | Exxon Corp. | Cochran | West Levelland Unit #27307932382 | 5,200 |
| 356679 | Mar 6, 1989 | Mar 6, 1989 | Exxon Corp. | Wood | Hawkins Field Unit #152349931634 | 4,928 |
| 356589 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Hockley | West Levelland Unit #31921935403 | 5,200 |
| 356588 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Hockley | West Levelland Unit #31521935404 | 5,200 |
| 356587 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Hockley | West Levelland Unit #31321935410 | 5,200 |
| 356587Amendment | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Hockley | West Levelland Unit #31321935410 | 5,200 |
| 356584 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Hockley | West Levelland Unit #31221935409 | 5,200 |
| 356583 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Hockley | West Levelland Unit #30821935408 | 5,200 |
| 356582 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Hockley | West Levelland Unit #30421935407 | 5,200 |
| 356581 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Hockley | West Levelland Unit #30221935405 | 5,200 |
| 356580 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Hockley | West Levelland Unit #29721935406 | 5,200 |
| 356579 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Cochran | West Levelland Unit #28307932376 | 5,200 |
| 356578 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Cochran | West Levelland Unit #28207932377 | 5,200 |
| 356577 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Cochran | West Levelland Unit #26607932378 | 5,200 |
| 356576 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Cochran | West Levelland Unit #25607932379 | 5,200 |
| 356575 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Cochran | West Levelland Unit #25507932380 | 5,200 |
| 356536 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Coke | Odom, Sallie "F" #10108131514 | 5,900 |
| 356502 | Mar 3, 1989 | Mar 3, 1989 | Exxon Corp. | Kenedy | Sarita Field Oil & Gas Unit #5926100044 | 6,950 |
| 356549 | Mar 1, 1989 | Mar 1, 1989 | Exxon Corp. | Franklin | Exxon Penn Fee OU 1 #115930458 | 4,440 |
| 356548 | Mar 1, 1989 | Mar 1, 1989 | Exxon Corp. | Gregg | Gladewater GU 17 #218330764 | 11,900 |
| 356507 | Mar 1, 1989 | Mar 1, 1989 | Exxon Corp. | Brooks | Sullivan, D. J. "B" #5404730987 | 8,330 |
| 356415 | Mar 1, 1989 | Mar 1, 1989 | Exxon Corp. | Chambers | Middleton, A. D. a/C #1 #10007131454 | 8,964 |
| 355879 | Mar 1, 1989 | Mar 1, 1989 | Exxon Corp. | Hansford | White, Kiff #519501128 | 6,250 |
| 356494 | Feb 28, 1989 | Feb 28, 1989 | Exxon Corp. | Gaines | McCutcheon, Linda F. #116534032 | 6,800 |
| 356417 | Feb 28, 1989 | Feb 28, 1989 | Exxon Corp. | Fort Bend | Nelson, C. C. #3215731794 | 3,600 |
| 356416 | Feb 28, 1989 | Feb 28, 1989 | Exxon Corp. | Harris | Webster Field Unit #502320132168 | 6,100 |
| 356321 | Feb 24, 1989 | Feb 24, 1989 | Exxon Corp. | Brooks | Sullivan, D. J. "B" #3004730103 | 8,530 |
| 356318 | Feb 24, 1989 | Feb 24, 1989 | Exxon Corp. | Brooks | Viboras Field Gas Unit No. 1 #V 7404730612 | 8,700 |
| 356304 | Feb 24, 1989 | Feb 24, 1989 | Exxon Corp. | Kleberg | King Ranch Morgan #M11327331995 | 7,320 |
| 356284 | Feb 23, 1989 | Feb 23, 1989 | Exxon Corp. | Jim Hogg | East, A. K. "B" Mrs. #6624731821 | 6,400 |
| 356282 | Feb 23, 1989 | Feb 23, 1989 | Exxon Corp. | Kleberg | King Ranch Borregos #54127331209 | 6,543 |
| 356165 | Feb 21, 1989 | Feb 21, 1989 | Exxon Corp. | Kenedy | Santa FE Ranch - Mula Pasture #4826131097 | 6,850 |
| 355510 | Feb 21, 1989 | Feb 21, 1989 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #5513137189 | 4,550 |
| 356065 | Feb 15, 1989 | Feb 15, 1989 | Exxon Corp. | Andrews | Means/San Andres/Unit #112400336327 | 4,700 |
| 356095 | Feb 14, 1989 | Feb 14, 1989 | Exxon Corp. | Gregg | Gladewater GU 16 #218330763 | 11,900 |
| 355476 | Feb 14, 1989 | Feb 14, 1989 | Exxon Corp. | Wood | Burgin, J. H. #149931632 | 5,100 |
| 355930 | Feb 13, 1989 | Feb 13, 1989 | Exxon Corp. | Kenedy | Kenedy, John G. Jr. "E" #5126131096 | 6,350 |
| 355896 | Feb 10, 1989 | Feb 10, 1989 | Exxon Corp. | Wharton | East Magnet Withers Unit No. 3 #148133143 | 6,100 |
| 355892 | Feb 9, 1989 | Feb 9, 1989 | Exxon Corp. | Starr | Juarez, E. #342700323 | 7,025 |
| 355891 | Feb 9, 1989 | Feb 9, 1989 | Exxon Corp. | Brooks | Viboras Field Gas Unit No. 1 #V10804731227 | 8,900 |
| 355158 | Feb 8, 1989 | Feb 8, 1989 | Exxon Corp. | Montgomery | Wiggins - Athey a/C 2 #333900711 | 5,171 |
| 355836 | Feb 7, 1989 | Feb 7, 1989 | Exxon Corp. | Titus | Blackburn, Lucy OU No. 1 #144930503 | 4,400 |
| 355826 | Feb 7, 1989 | Feb 7, 1989 | Exxon Corp. | Harris | Webster Field Unit #17520132165 | 6,100 |
| 355722 | Feb 2, 1989 | Feb 2, 1989 | Exxon Corp. | Loving | Johnson, W. D. Jr. "E" #530130693 | 6,200 |
| 355684 | Jan 31, 1989 | Jan 31, 1989 | Exxon Corp. | Kleberg | King Ranch Morgan #M11527332009 | 7,320 |
| 355641 | Jan 31, 1989 | Jan 31, 1989 | Exxon Corp. | Kenedy | East, S. K. Mrs Estate "B" #1926131095 | 8,050 |
| 355640 | Jan 31, 1989 | Jan 31, 1989 | Exxon Corp. | Kleberg | King Ranch Borregos #M 53E27332139 | 11,750 |
| 355607 | Jan 31, 1989 | Jan 31, 1989 | Exxon Corp. | Kleberg | King Ranch Morgan #M10827332016 | 6,180 |
| 355606 | Jan 31, 1989 | Jan 31, 1989 | Exxon Corp. | Kleberg | King Ranch Borregos #M 48E27332091 | 8,650 |
| 355605 | Jan 31, 1989 | Jan 31, 1989 | Exxon Corp. | Kenedy | Sarita Field Oil & Gas Unit #10526100436 | 7,825 |
| 355529 | Jan 30, 1989 | Jan 30, 1989 | Exxon Corp. | Kenedy | Kleberg, R.J. Jr. Tr. Stillman #7226131013 | 11,250 |
| 355580 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Nacogdoches | Trawick Gas Unit No. 16 #534731552 | 9,500 |
| 355520 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Cochran | West Levelland Unit #27207932370 | 5,200 |
| 355519 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Hockley | West Levelland Unit #32921935399 | 5,200 |
| 355518 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Hockley | West Levelland Unit #33021935398 | 5,200 |
| 355517 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Andrews | Freund, C. A. "F" #100336310 | 7,800 |
| 355515 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Cochran | West Levelland Unit #26307932372 | 5,200 |
| 355514 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Cochran | West Levelland Unit #26507932371 | 5,200 |
| 355511 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Hockley | West Levelland Unit #32821935397 | 5,200 |
| 355492 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Kleberg | King Ranch Morgan #M10927331989 | 6,275 |
| 355463 | Jan 26, 1989 | Jan 26, 1989 | Exxon Corp. | Brooks | Kleberg,rj.jr.tr.los Muertos Pas #4104731374 | 9,050 |
| 355513 | Jan 25, 1989 | Jan 25, 1989 | Exxon Corp. | Hockley | West Levelland Unit #32121935395 | 5,200 |
| 355512 | Jan 25, 1989 | Jan 25, 1989 | Exxon Corp. | Hockley | West Levelland Unit #32221935396 | 5,200 |
| 355462 | Jan 25, 1989 | Jan 25, 1989 | Exxon Corp. | Brooks | McGill Bros. #16804701107 | 6,402 |
| 355383 | Jan 23, 1989 | Jan 23, 1989 | Exxon Corp. | Brooks | Mariposa Field Gas Unit #S 104700280 | 8,545 |
| 355376 | Jan 23, 1989 | Jan 23, 1989 | Exxon Corp. | Brooks | Kleberg,rj.jr.tr.viboras Pasture #13604731540 | 8,700 |
| 355376Amendment | Jan 23, 1989 | Jan 23, 1989 | Exxon Corp. | Brooks | Kleberg,rj.jr.tr.viboras Pasture #13604731540 | 8,700 |
| 355387 | Jan 20, 1989 | Jan 20, 1989 | Exxon Corp. | Willacy | Frank D. Yturria Tr. et at U. 1 #148930922 | 15,000 |
| 355384 | Jan 19, 1989 | Jan 19, 1989 | Exxon Corp. | Chambers | Moody, W. L., Jr. "B" #107102411 | 12,534 |
| 355336 | Jan 19, 1989 | Jan 19, 1989 | Exxon Corp. | Nueces | Pita Island Field Gas Unit 2 #435531544 | 10,075 |
| 355318 | Jan 19, 1989 | Jan 19, 1989 | Exxon Corp. | Upton | Pembrook Unit #780346132876 | 8,500 |
| 355317 | Jan 19, 1989 | Jan 19, 1989 | Exxon Corp. | Upton | Pembrook Unit #310246132875 | 8,500 |
| 355269 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Brooks | McGill Bros. #39404701643 | 6,592 |
| 355268 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Kleberg | King Ranch Seeligson #C19627331306 | 6,805 |
| 355260 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Upton | Pembrook Unit #920446132869 | 8,500 |
| 355259 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Upton | Pembrook Unit #116146132874 | 8,500 |
| 355258 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Upton | Pembrook Unit #106546132873 | 8,500 |
| 355257 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Upton | Pembrook Unit #105146132872 | 8,500 |
| 355256 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Upton | Pembrook Unit #104146132871 | 8,500 |
| 355255 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Upton | Pembrook Unit #930346132870 | 8,500 |
| 355255Amendment | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Upton | Pembrook Unit #930346132870 | 8,500 |
| 355254 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Andrews | Freund, C. A. "E" #200336309 | 7,800 |
| 354939 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Calhoun | Kellers Bay State Gas Unit #1805730033 | 8,896 |
| 354526 | Jan 18, 1989 | Jan 18, 1989 | Exxon Corp. | Wharton | Cockburn, H. C. #6648103365 | 6,315 |
| 354527 | Jan 17, 1989 | Jan 17, 1989 | Exxon Corp. | Fort Bend | Lockwood & Sharp -A- #10115731574 | 3,900 |
| 355160 | Jan 16, 1989 | Jan 16, 1989 | Exxon Corp. | Cochran | West Levelland Unit #27007932368 | 5,200 |
| 355045 | Jan 12, 1989 | Jan 12, 1989 | Exxon Corp. | Harris | Webster Field Unit #41420132163 | 6,400 |
| 354403 | Jan 12, 1989 | Jan 12, 1989 | Exxon Corp. | Andrews | Parker, J. E. #10300336295 | 4,700 |
| 354402 | Jan 12, 1989 | Jan 12, 1989 | Exxon Corp. | Andrews | Parker, J. E. #10700336296 | 4,700 |
| 354401 | Jan 12, 1989 | Jan 12, 1989 | Exxon Corp. | Andrews | Parker, J. E. #10800336294 | 4,700 |
| 355047 | Jan 11, 1989 | Jan 11, 1989 | Exxon Corp. | Harris | Webster Field Unit #27420132162 | 6,400 |
| 355046 | Jan 11, 1989 | Jan 11, 1989 | Exxon Corp. | Harris | Webster Field Unit #502220132164 | 6,100 |
| 355046Amendment | Jan 11, 1989 | Jan 11, 1989 | Exxon Corp. | Harris | Webster Field Unit #502220132164 | 6,100 |
| 354284 | Jan 10, 1989 | Jan 10, 1989 | Exxon Corp. | Fort Bend | Lockwood, H. P. #26D15702413 | 3,887 |
| 354938 | Jan 9, 1989 | Jan 9, 1989 | Exxon Corp. | San Patricio | Mayo, J. W. a/C 1 #7940932048 | 6,900 |
| 354937 | Jan 9, 1989 | Jan 9, 1989 | Exxon Corp. | Brooks | McGill Bros. #17504701140 | 7,800 |
| 354936 | Jan 9, 1989 | Jan 9, 1989 | Exxon Corp. | Kleberg | King Ranch Seeligson #E13327332136 | 8,620 |