| 341170 | Jan 8, 1988 | Jan 8, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #26200336010 | 4,700 |
| 341169 | Jan 8, 1988 | Jan 8, 1988 | Exxon Corp. | Andrews | Means/San Andres/Unit #186000336013 | 4,700 |
| 341047 | Jan 8, 1988 | Jan 8, 1988 | Exxon Corp. | Kenedy | Sarita Field Oil & Gas Unit #13426130094 | 6,350 |
| 341054 | Jan 7, 1988 | Jan 7, 1988 | Exxon Corp. | Upton | Giddings Estate Fee #4846132729 | 8,500 |
| 341048 | Jan 7, 1988 | Jan 7, 1988 | Exxon Corp. | Kleberg | King Ranch West Borregos #113MC27331991 | 7,550 |
| 340151 | Jan 6, 1988 | Jan 6, 1988 | Exxon Corp. | Harris | Kuehn, M.J. #620100687 | 5,560 |
| 340941 | Jan 5, 1988 | Jan 5, 1988 | Exxon Corp. | Winkler | Haley Unit 34 #149530197 | 19,340 |
| 340889 | Jan 4, 1988 | Jan 4, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #613300336002 | 7,400 |
| 340888 | Jan 4, 1988 | Jan 4, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #672400336005 | 7,400 |
| 340886 | Jan 4, 1988 | Jan 4, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #611900335998 | 7,400 |
| 340883 | Jan 4, 1988 | Jan 4, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #613000336000 | 7,400 |
| 340882 | Jan 4, 1988 | Jan 4, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #613500336003 | 7,400 |
| 340880 | Jan 4, 1988 | Jan 4, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #612000335999 | 7,400 |
| 340879 | Jan 4, 1988 | Jan 4, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #622000336004 | 7,400 |
| 340877 | Jan 4, 1988 | Jan 4, 1988 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #613100336001 | 7,400 |
| 340668 | Dec 30, 1987 | Dec 30, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #3446132723 | 8,500 |
| 340668Amendment | Dec 30, 1987 | Dec 30, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #342446132723 | 8,900 |
| 340667 | Dec 30, 1987 | Dec 30, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #4646132724 | 8,500 |
| 340666 | Dec 30, 1987 | Dec 30, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #5946132725 | 8,500 |
| 339658 | Dec 29, 1987 | Dec 29, 1987 | Exxon Corp. | Fort Bend | Lockwood & Sharp "B" #7715731631 | 4,236 |
| 340665 | Dec 28, 1987 | Dec 28, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #3546132722 | 8,500 |
| 340665Amendment | Dec 28, 1987 | Dec 28, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #346346132722 | 8,500 |
| 340638 | Dec 28, 1987 | Dec 28, 1987 | Exxon Corp. | Harris | Webster Field Unit #184020132120 | 6,100 |
| 340601 | Dec 28, 1987 | Dec 28, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #4346132721 | 8,500 |
| 340595 | Dec 28, 1987 | Dec 28, 1987 | Exxon Corp. | Kleberg | King Ranch Morgan #M 2627330232 | 6,050 |
| 340378 | Dec 22, 1987 | Dec 22, 1987 | Exxon Corp. | Kenedy | King Ranch San Jose de la Parra #2926130566 | 8,010 |
| 339048 | Dec 22, 1987 | Dec 22, 1987 | Exxon Corp. | Upshur | Gladewater GU 9 #245930662 | 12,500 |
| 340594 | Dec 20, 1987 | Dec 20, 1987 | Exxon Corp. | Kenedy | King Ranch San Jose de la Parra #4326130772 | 9,950 |
| 340298 | Dec 18, 1987 | Dec 18, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #627301171 | 8,600 |
| 340297 | Dec 17, 1987 | Dec 17, 1987 | Exxon Corp. | Brooks | Mariposa Field Gas Unit #C 1404731423 | 9,380 |
| 340297Amendment | Dec 17, 1987 | Dec 17, 1987 | Exxon Corp. | Brooks | Mariposa Field Gas Unit #C 1404731423 | 9,380 |
| 340256 | Dec 17, 1987 | Dec 17, 1987 | Exxon Corp. | Chambers | RFR Tract 247 #17507130444 | 10,500 |
| 340165 | Dec 16, 1987 | Dec 16, 1987 | Exxon Corp. | Upton | Pembrook Unit #330146132718 | 8,000 |
| 340165Amendment | Dec 16, 1987 | Dec 16, 1987 | Exxon Corp. | Upton | Pembrook Unit #330146132718 | 8,500 |
| 340139 | Dec 15, 1987 | Dec 15, 1987 | Exxon Corp. | Jim Wells | King Ranch West Borregos #M101C24930537 | 5,650 |
| 340059 | Dec 15, 1987 | Dec 15, 1987 | Exxon Corp. | Brooks | Mariposa Field Gas Unit #F 2404731396 | 9,400 |
| 340059Amendment | Dec 15, 1987 | Dec 15, 1987 | Exxon Corp. | Brooks | Mariposa Field Gas Unit #F 2404731396 | 9,400 |
| 340153 | Dec 14, 1987 | Dec 14, 1987 | Exxon Corp. | Montgomery | Conroe Field Unit #362333930792 | 5,200 |
| 340152 | Dec 14, 1987 | Dec 14, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #359549931588 | 5,000 |
| 340152Amendment | Dec 14, 1987 | Dec 14, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #359549931588 | 5,000 |
| 340060 | Dec 14, 1987 | Dec 14, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #M 50E27332100 | 8,575 |
| 340058 | Dec 14, 1987 | Dec 14, 1987 | Exxon Corp. | Starr | McGill Bros. #49242731716 | 7,500 |
| 339819 | Dec 14, 1987 | Dec 14, 1987 | Exxon Corp. | Montgomery | Conroe Field Unit #272433930794 | 5,200 |
| 339054 | Dec 14, 1987 | Dec 14, 1987 | Exxon Corp. | Harris | Hoffman, C. F. #220181430 | 5,541 |
| 339053 | Dec 14, 1987 | Dec 14, 1987 | Exxon Corp. | Polk | Granbury, C. B. #9437330692 | 7,300 |
| 340129 | Dec 11, 1987 | Dec 11, 1987 | Exxon Corp. | Harris | Webster Field Unit #501820132117 | 6,100 |
| 340128 | Dec 11, 1987 | Dec 11, 1987 | Exxon Corp. | Galveston | Maco-Stewart -B- #1016731147 | 9,500 |
| 339996 | Dec 11, 1987 | Dec 11, 1987 | Exxon Corp. | Titus | Graf, C. W. #744930486 | 4,490 |
| 339996Amendment | Dec 11, 1987 | Dec 11, 1987 | Exxon Corp. | Titus | Graf, C. W. #744930486 | 4,490 |
| 339172 | Dec 11, 1987 | Dec 11, 1987 | Exxon Corp. | Duval | Kohler, V. "A" #11613131198 | 5,502 |
| 339062 | Dec 11, 1987 | Dec 11, 1987 | Exxon Corp. | San Patricio | Godwin, J. W. #1340932072 | 5,900 |
| 338678 | Dec 11, 1987 | Dec 11, 1987 | Exxon Corp. | Andrews | Wilson "B" #1700333574 | 8,450 |
| 339919 | Dec 10, 1987 | Dec 10, 1987 | Exxon Corp. | Kleberg | King Ranch Seeligson "E" #13727332099 | 8,470 |
| 339818 | Dec 9, 1987 | Dec 9, 1987 | Exxon Corp. | Kleberg | King Ranch Morgan #P 2427332097 | 8,250 |
| 339804 | Dec 9, 1987 | Dec 9, 1987 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #253700335981 | 7,400 |
| 339805 | Dec 8, 1987 | Dec 8, 1987 | Exxon Corp. | Upton | Pembrook Unit #720146132717 | 8,000 |
| 339755 | Dec 8, 1987 | Dec 8, 1987 | Exxon Corp. | Howard | Waldron, S. #422732738 | 10,365 |
| 339744 | Dec 7, 1987 | Dec 7, 1987 | Exxon Corp. | Austin | Thompson, R. W. #3201530455 | 4,200 |
| 338367 | Dec 7, 1987 | Dec 7, 1987 | Exxon Corp. | Wharton | Cockburn, H.C. #10648131020 | 7,405 |
| 337985 | Dec 7, 1987 | Dec 7, 1987 | Exxon Corp. | Wharton | Cockburn, H. C. #13748133118 | 7,000 |
| 339620 | Dec 4, 1987 | Dec 4, 1987 | Exxon Corp. | Scurry | Shannon West Tex Memorial Hosp. #2941531381 | 2,908 |
| 339619 | Dec 4, 1987 | Dec 4, 1987 | Exxon Corp. | Kleberg | King Ranch East Laureles "B" #1827331753 | 8,020 |
| 339616 | Dec 2, 1987 | Dec 2, 1987 | Exxon Corp. | Austin | Waterflood Unit #1 #5701500825 | 3,780 |
| 339446 | Dec 1, 1987 | Dec 1, 1987 | Exxon Corp. | Borden | Brown, MSW #203331100 | 9,917 |
| 339430 | Dec 1, 1987 | Dec 1, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #54227331213 | 7,162 |
| 339430Amendment | Dec 1, 1987 | Dec 1, 1987 | Exxon Corp. | Kleberg | King Ranch Borregos #54227331213 | 7,162 |
| 339429 | Dec 1, 1987 | Dec 1, 1987 | Exxon Corp. | Kenedy | King Ranch San Jose de la Parra #5326130815 | 4,150 |
| 339351 | Nov 30, 1987 | Nov 30, 1987 | Exxon Corp. | Sterling | Ellwood, I. L. #143131900 | 5,300 |
| 338311 | Nov 30, 1987 | Nov 30, 1987 | Exxon Corp. | Wharton | Cockburn, H. C. #9548130267 | 5,700 |
| 339396 | Nov 25, 1987 | Nov 25, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #361849931586 | 5,000 |
| 339365 | Nov 25, 1987 | Nov 25, 1987 | Exxon Corp. | Upton | Pembrook Unit #590346132712 | 8,000 |
| 339274 | Nov 25, 1987 | Nov 25, 1987 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #263300335970 | 7,400 |
| 339273 | Nov 25, 1987 | Nov 25, 1987 | Exxon Corp. | Andrews | Fullerton Clearfork Unit #662400335969 | 7,400 |
| 338181 | Nov 25, 1987 | Nov 25, 1987 | Exxon Corp. | Harris | Tomball Oil Unit 1 #120131340 | 5,650 |
| 339323 | Nov 24, 1987 | Nov 24, 1987 | Exxon Corp. | Polk | Carter, W. T. & Bro. #137330693 | 10,800 |
| 339323Amendment | Nov 24, 1987 | Nov 24, 1987 | Exxon Corp. | Polk | Carter, W. T. & Bro. #137330693 | 12,200 |
| 339240 | Nov 24, 1987 | Nov 24, 1987 | Exxon Corp. | Yoakum | Armstrong, Annie "B" #150133308 | 14,200 |
| 337827 | Nov 24, 1987 | Nov 24, 1987 | Exxon Corp. | Scurry | Shannon W. TX Memorial Hosp. 'B' #1141500965 | 3,000 |
| 339171 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Duval | Duval County Ranch Co. "K" #4313131469 | 5,530 |
| 339134 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #3846132709 | 8,500 |
| 339134Amendment | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #134246132709 | 8,900 |
| 339133 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #3146132708 | 8,500 |
| 339132 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #3746132707 | 8,500 |
| 339131 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #3646132706 | 8,500 |
| 339130 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #3046132705 | 8,500 |
| 339129 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #2946132704 | 8,500 |
| 339129Amendment | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #216646132704 | 8,900 |
| 339128 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Upton | Giddings Estate Fee #2746132703 | 8,500 |
| 339094 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Calhoun | Welder, Patrick H. 'A' #1105700139 | 5,497 |
| 339064 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Willacy | Bell, S. H. "B" #448930597 | 9,000 |
| 339063 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Brooks | Santa FE Ranch #6104730814 | 7,600 |
| 338058 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Chambers | Trinity Bay State Unit No. 1 #13307131846 | 9,000 |
| 334919 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Van Zandt | Blake, R. S. #3146730665 | 3,300 |
| 334919Amendment | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Van Zandt | Blake, R. S. #3146730665 | 3,300 |
| 334918 | Nov 23, 1987 | Nov 23, 1987 | Exxon Corp. | Van Zandt | Blake, R. S. #3046730664 | 3,300 |
| 339191 | Nov 20, 1987 | Nov 20, 1987 | Exxon Corp. | Wood | Hawkins Field Unit #337349931585 | 5,050 |
| 338867 | Nov 20, 1987 | Nov 20, 1987 | Exxon Corp. | Andrews | Jackson, Cal-Mon #100335968 | 9,000 |
| 338867Amendment | Nov 20, 1987 | Nov 20, 1987 | Exxon Corp. | Andrews | Jackson, Cal-Mon #100335968 | 9,000 |
| 338423 | Nov 20, 1987 | Nov 20, 1987 | Exxon Corp. | Harris | Olcott Gas Unit No. 4 #120132106 | 4,700 |
| 339052 | Nov 19, 1987 | Nov 19, 1987 | Exxon Corp. | Wharton | Cockburn, H. C. #10248130881 | 7,520 |