| 344325 | Mar 24, 1988 | Mar 24, 1988 | Coastal Oil & Gas Corporation | De Witt | Kenne, Dennis et UX #1 | 17,000 | 12331570 |
| 344324 | Mar 24, 1988 | Mar 24, 1988 | Coastal Oil & Gas Corporation | Jim Wells | Hoffman, Roger SWD #1 | 5,479 | 24930458 |
| 343300 | Mar 2, 1988 | Mar 2, 1988 | Coastal Oil & Gas Corporation | Garza | Lott "25" #1 | 8,600 | 16932856 |
| 337940 | Feb 29, 1988 | Feb 29, 1988 | Coastal Oil & Gas Corporation | Zapata | State Tract M-80131 #2 | 10,500 | 50532388 |
| 343083 | Feb 26, 1988 | Feb 26, 1988 | Coastal Oil & Gas Corporation | Cameron | Garcia, J. A. "A" #3 | 9,530 | 06130046 |
| 340366 | Dec 18, 1987 | Dec 18, 1987 | Coastal Oil & Gas Corporation | Polk | Davis, Wirt et Al #1 | 14,500 | 37330696 |
| 340109 | Dec 15, 1987 | Dec 15, 1987 | Coastal Oil & Gas Corporation | Garza | Kirkpatrick #1 | 8,800 | 16932836 |
| 339650 | Dec 2, 1987 | Dec 2, 1987 | Coastal Oil & Gas Corporation | Jackson | Harrison, Elsie #1 | 9,500 | 23932385 |
| 338072 | Nov 3, 1987 | Nov 3, 1987 | Coastal Oil & Gas Corporation | Hidalgo | 87JV Van Scherpe Gas Unit "B" #4 | 13,500 | 21531790 |
| 338072Amendment | Nov 3, 1987 | Nov 3, 1987 | Coastal Oil & Gas Corporation | Hidalgo | 87JV Van Scherpe "B" #4 | 12,800 | 21531790 |
| 337613 | Oct 22, 1987 | Oct 22, 1987 | Coastal Oil & Gas Corporation | Ochiltree | Sell #1-57 #1057 | 8,150 | 35731888 |
| 336525 | Sep 28, 1987 | Sep 28, 1987 | Coastal Oil & Gas Corporation | Jim Wells | Hoffman, Roger et Al #2 | 10,850 | 24932035 |
| 335919 | Sep 16, 1987 | Sep 16, 1987 | Coastal Oil & Gas Corporation | Terry | Redonion #1 | 8,600 | 44531492 |
| 335942 | Sep 14, 1987 | Sep 14, 1987 | Coastal Oil & Gas Corporation | Hidalgo | 87JV Yturria Land & Cattle Co. #5 | 11,500 | 21531785 |
| 333417 | Jul 28, 1987 | Jul 28, 1987 | Coastal Oil & Gas Corporation | Cameron | Garcia, J. A. "A" #3 | 9,530 | 06130046 |
| 332986 | Jul 20, 1987 | Jul 20, 1987 | Coastal Oil & Gas Corporation | Terry | Brownfield #1 | 8,600 | 44531481 |
| 332986Amendment | Jul 20, 1987 | Jul 20, 1987 | Coastal Oil & Gas Corporation | Terry | Brownfield #1 | 8,600 | 44531481 |
| 330236 | Jul 20, 1987 | Jul 20, 1987 | Coastal Oil & Gas Corporation | Zapata | State Tract M80131 #1 | 10,000 | 50532323 |
| 332871 | Jul 15, 1987 | Jul 15, 1987 | Coastal Oil & Gas Corporation | Howard | Fisher #1 | 9,200 | 22734177 |
| 332873 | Jul 14, 1987 | Jul 14, 1987 | Coastal Oil & Gas Corporation | Jim Wells | Roger Hoffman, et al Gas Unit #1 | 10,000 | 24932027 |
| 332561 | Jul 8, 1987 | Jul 8, 1987 | Coastal Oil & Gas Corporation | Terry | Thompson, D. L. #2 | 8,600 | 44531476 |
| 330609 | May 26, 1987 | May 26, 1987 | Coastal Oil & Gas Corporation | Jim Wells | Wilkinson, A. D. #1 | 7,515 | 24903313 |
| 328692 | Apr 8, 1987 | Apr 8, 1987 | Coastal Oil & Gas Corporation | Garza | Connell #1 | 8,350 | 16932770 |
| 328303 | Mar 26, 1987 | Mar 26, 1987 | Coastal Oil & Gas Corporation | Moore | Masterson Red Cave Unit #1011 | 2,500 | 34131980 |
| 328301 | Mar 26, 1987 | Mar 26, 1987 | Coastal Oil & Gas Corporation | Moore | Masterson Red Cave Unit #205 | 2,500 | 34131979 |
| 328092 | Mar 26, 1987 | Mar 26, 1987 | Coastal Oil & Gas Corporation | Jim Wells | 86JV L. Seeligson #1 | 7,305 | 24931996 |
| 325959 | Mar 9, 1987 | Mar 9, 1987 | Coastal Oil & Gas Corporation | Midland | Simpson, O. M. #1K | 13,075 | 32931558 |
| 327007Amendment | Feb 24, 1987 | Feb 24, 1987 | Coastal Oil & Gas Corporation | Galveston | Hargrave, D. A. et Al #1 | 14,700 | 16731128 |
| 325844 | Jan 26, 1987 | Jan 26, 1987 | Coastal Oil & Gas Corporation | Hidalgo | Van Scherpe, Peter "B" #2 | 12,521 | 21530275 |
| 325674 | Jan 23, 1987 | Jan 23, 1987 | Coastal Oil & Gas Corporation | Wharton | Johnstone, Rosa #4 | 6,019 | 48130640 |
| 324304 | Dec 12, 1986 | Dec 12, 1986 | Coastal Oil & Gas Corporation | Zapata | Gutierrez "A" #2 | 3,510 | 50503271 |
| 324145 | Dec 10, 1986 | Dec 10, 1986 | Coastal Oil & Gas Corporation | Ward | 86 JV York #3 | 4,760 | 47533771 |
| 324082 | Dec 8, 1986 | Dec 8, 1986 | Coastal Oil & Gas Corporation | Potter | Masterson "D" #1409 | 2,300 | 37531337 |
| 324007 | Dec 8, 1986 | Dec 8, 1986 | Coastal Oil & Gas Corporation | Jim Wells | 86JV L. Seeligson #2 | 8,000 | 24932000 |
| 324007Amendment | Dec 8, 1986 | Dec 8, 1986 | Coastal Oil & Gas Corporation | Jim Wells | 86JV L. Seeligson #2 | 8,000 | 24932000 |
| 324007Amendment | Dec 8, 1986 | Dec 8, 1986 | Coastal Oil & Gas Corporation | Jim Wells | 86JV L. Seeligson #2 | 7,605 | 24932000 |
| 323506 | Dec 1, 1986 | Dec 1, 1986 | Coastal Oil & Gas Corporation | Zapata | Gutierrez "C" #3D | 3,524 | 50530063 |
| 322181 | Nov 22, 1986 | Nov 22, 1986 | Coastal Oil & Gas Corporation | Terry | 86 JV Thompson #1 | 11,100 | 44531440 |
| 322891 | Nov 14, 1986 | Nov 14, 1986 | Coastal Oil & Gas Corporation | Hidalgo | Scherpe, Peter Van #3J | 10,030 | 21531295 |
| 323003 | Nov 13, 1986 | Nov 13, 1986 | Coastal Oil & Gas Corporation | Live Oak | Cartwright, Holman #6D | 6,012 | 29701763 |
| 322948 | Nov 12, 1986 | Nov 12, 1986 | Coastal Oil & Gas Corporation | Jim Wells | 86JV L. Seeligson #1 | 7,600 | 24931996 |
| 322948Amendment | Nov 12, 1986 | Nov 12, 1986 | Coastal Oil & Gas Corporation | Jim Wells | 86JV L. Seeligson #1 | 7,305 | 24931996 |
| 322848 | Nov 7, 1986 | Nov 7, 1986 | Coastal Oil & Gas Corporation | Hidalgo | 86JV Yturria Land & Cattle Co. #4 | 13,000 | 21531724 |
| 322182 | Oct 22, 1986 | Oct 22, 1986 | Coastal Oil & Gas Corporation | Pecos | 86 JV Mitchell #1 | 11,900 | 37135870 |
| 321824 | Oct 16, 1986 | Oct 16, 1986 | Coastal Oil & Gas Corporation | Pecos | 86 JV Gregg State #1 | 4,800 | 37135868 |
| 321205 | Sep 30, 1986 | Sep 30, 1986 | Coastal Oil & Gas Corporation | Cameron | Garcia, J. A. "A" #3 | 9,530 | 06130046 |
| 320982 | Sep 25, 1986 | Sep 25, 1986 | Coastal Oil & Gas Corporation | Pecos | Furman State #1 | 5,500 | 37135862 |
| 320451 | Sep 12, 1986 | Sep 12, 1986 | Coastal Oil & Gas Corporation | Jackson | Bolling, Marjorie Fenner #1 | 13,000 | 23932307 |
| 305659 | Aug 22, 1986 | Aug 22, 1986 | Coastal Oil & Gas Corporation | Harris | Hillegeist, E. #3 | 5,608 | 20100273 |
| 305311 | Aug 15, 1986 | Aug 15, 1986 | Coastal Oil & Gas Corporation | Hidalgo | Yturria Land & Cattle Co #3 | 13,000 | 21531708 |
| 304450 | Jul 23, 1986 | Jul 23, 1986 | Coastal Oil & Gas Corporation | Garza | Slaughter Estate #1 | 8,480 | 16932724 |
| 304450Amendment | Jul 23, 1986 | Jul 23, 1986 | Coastal Oil & Gas Corporation | Garza | Slaughter Estate #1 | 8,480 | 16932724 |
| 300668 | Apr 4, 1986 | Apr 4, 1986 | Coastal Oil & Gas Corporation | Starr | Benavides et al Gas Unit #1K | 12,000 | 42732118 |
| 299745 | Mar 18, 1986 | Mar 18, 1986 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #64K | 10,200 | 50532152 |
| 298859 | Feb 27, 1986 | Feb 27, 1986 | Coastal Oil & Gas Corporation | Gaines | South Harris #1009 | 6,100 | 16533507 |
| 297357 | Feb 11, 1986 | Feb 11, 1986 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #63K | 10,220 | 50532101 |
| 296154 | Jan 24, 1986 | Jan 24, 1986 | Coastal Oil & Gas Corporation | Potter | Bivins "S" #3322 | 2,400 | 37531303 |
| 296151 | Jan 24, 1986 | Jan 24, 1986 | Coastal Oil & Gas Corporation | Potter | Bivins "S" #3319 | 2,400 | 37531301 |
| 296149 | Jan 24, 1986 | Jan 24, 1986 | Coastal Oil & Gas Corporation | Potter | Bivins "S" #3323 | 2,400 | 37531300 |
| 296148 | Jan 24, 1986 | Jan 24, 1986 | Coastal Oil & Gas Corporation | Potter | Bivins "S" #3409 | 2,400 | 37531299 |
| 296152 | Jan 24, 1986 | Jan 24, 1986 | Coastal Oil & Gas Corporation | Potter | Bivins "S" #3321 | 2,400 | 37531302 |
| 293500 | Dec 23, 1985 | Dec 23, 1985 | Coastal Oil & Gas Corporation | Kleberg | Sullivan, D. J. #1K | 10,000 | 27332056 |
| 292765 | Dec 13, 1985 | Dec 13, 1985 | Coastal Oil & Gas Corporation | Zapata | Mecom, J. W. #64K | 11,000 | 50532152 |
| 292309 | Dec 10, 1985 | Dec 10, 1985 | Coastal Oil & Gas Corporation | Starr | Ruiz-Zamora #1 | 12,500 | 42732087 |
| 291925 | Dec 3, 1985 | Dec 3, 1985 | Coastal Oil & Gas Corporation | Terry | Wingard #1 | 13,400 | 44531409 |
| 288045 | Oct 22, 1985 | Oct 22, 1985 | Coastal Oil & Gas Corporation | Live Oak | Cartwright, Holman #6F | 6,012 | 29701763 |
| 287037 | Oct 10, 1985 | Oct 10, 1985 | Coastal Oil & Gas Corporation | Borden | Gray, B. #1 | 8,900 | 03331192 |
| 286947 | Oct 9, 1985 | Oct 9, 1985 | Coastal Oil & Gas Corporation | Webb | Webb County School Land #25K | 7,800 | 47934263 |
| 285657 | Sep 24, 1985 | Sep 24, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2168 | 2,250 | 37531295 |
| 285545 | Sep 24, 1985 | Sep 24, 1985 | Coastal Oil & Gas Corporation | Irion | 85 Linthicum, J. V. "A" #1 | 9,250 | 23532667 |
| 285655 | Sep 24, 1985 | Sep 24, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #5072 | 2,350 | 37531294 |
| 283855 | Aug 26, 1985 | Aug 26, 1985 | Coastal Oil & Gas Corporation | Ward | Hardage & Wilson #1K | 8,888 | 47533630 |
| 282853 | Aug 20, 1985 | Aug 20, 1985 | Coastal Oil & Gas Corporation | Midland | Elkin, T. #1K | 12,700 | 32931580 |
| 282754 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #1770 | 2,300 | 37531281 |
| 282763 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #8076 | 2,350 | 37531287 |
| 282774 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #8077 | 2,300 | 37531289 |
| 282750 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #8078 | 2,300 | 37531279 |
| 282749 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #8080 | 2,350 | 37531278 |
| 282752 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #8081 | 2,300 | 37531280 |
| 282759 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #1771 | 2,300 | 37531284 |
| 282758 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #1772 | 2,350 | 37531283 |
| 282775 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #1773 | 2,400 | 37531290 |
| 282760 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #1774 | 2,400 | 37531285 |
| 282756 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #5069 | 2,350 | 37531282 |
| 282762 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #5070 | 2,350 | 37531286 |
| 282764 | Aug 19, 1985 | Aug 19, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #5071 | 2,350 | 37531288 |
| 282686 | Aug 16, 1985 | Aug 16, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #8074 | 2,300 | 37531274 |
| 282685 | Aug 16, 1985 | Aug 16, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #1624 | 2,300 | 37531273 |
| 282687 | Aug 16, 1985 | Aug 16, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #1623 | 2,300 | 37531275 |
| 282690 | Aug 16, 1985 | Aug 16, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #8079 | 2,400 | 37531277 |
| 282688 | Aug 16, 1985 | Aug 16, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #8075 | 2,300 | 37531276 |
| 282669 | Aug 15, 1985 | Aug 15, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2869 | 2,250 | 37531270 |
| 282667 | Aug 15, 1985 | Aug 15, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2167 | 2,250 | 37531268 |
| 282670 | Aug 15, 1985 | Aug 15, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2166 | 2,300 | 37531271 |
| 282671 | Aug 15, 1985 | Aug 15, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2876 | 2,350 | 37531272 |
| 282668 | Aug 15, 1985 | Aug 15, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2870 | 2,300 | 37531269 |
| 282479 | Aug 14, 1985 | Aug 14, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2871 | 2,300 | 37531267 |
| 282462 | Aug 14, 1985 | Aug 14, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2872 | 2,300 | 37531264 |
| 282460 | Aug 14, 1985 | Aug 14, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2873 | 2,300 | 37531263 |
| 282466 | Aug 14, 1985 | Aug 14, 1985 | Coastal Oil & Gas Corporation | Potter | Bivins #2875 | 2,300 | 37531265 |