| 18285 | Feb 15, 1978 | Feb 15, 1978 | Sun Exploration & Production Co. | Jim Wells | Seeligson Unit #4006 | 5,987 | 24981324 |
| 18278 | Feb 14, 1978 | Feb 14, 1978 | Sun Exploration & Production Co. | Cochran | League 91 Project #127 | 5,250 | 07930862 |
| 18277 | Feb 14, 1978 | Feb 14, 1978 | Sun Exploration & Production Co. | Cochran | League 91 Project #124 | 5,250 | 07930861 |
| 18253 | Feb 14, 1978 | Feb 14, 1978 | Sun Exploration & Production Co. | Jim Wells | Seeligson Unit #1107 | 6,304 | 24903022 |
| 18250 | Feb 14, 1978 | Feb 14, 1978 | Sun Exploration & Production Co. | Matagorda | Talcott a Unit -B- #2 | 9,101 | 32180217 |
| 18218 | Feb 14, 1978 | Feb 14, 1978 | Sun Exploration & Production Co. | Nueces | King, Richard #35 | 6,201 | 35581833 |
| 18198 | Feb 14, 1978 | Feb 14, 1978 | Sun Exploration & Production Co. | N Padre IS-LB | State Tract 975-976 Gas Unit #2 | 11,265 | 70180001 |
| 18079 | Feb 13, 1978 | Feb 13, 1978 | Sun Exploration & Production Co. | Starr | Depena, V. L. #1 | 7,491 | 42700347 |
| 18051 | Feb 13, 1978 | Feb 13, 1978 | Sun Exploration & Production Co. | Yoakum | Powell, Mattie -A- #1 | 8,530 | 50102338 |
| 18043 | Feb 10, 1978 | Feb 10, 1978 | Sun Exploration & Production Co. | Kleberg | Seeligson Unit #4347 | 6,225 | 27381589 |
| 18041 | Feb 10, 1978 | Feb 10, 1978 | Sun Exploration & Production Co. | Kleberg | Seeligson Unit #4354A | 6,300 | 27380893 |
| 18040 | Feb 10, 1978 | Feb 10, 1978 | Sun Exploration & Production Co. | Kleberg | Seeligson Unit #4337A | 5,735 | 27381587 |
| 18038 | Feb 10, 1978 | Feb 10, 1978 | Sun Exploration & Production Co. | Kleberg | Seeligson Unit #4325 | 5,250 | 27301470 |
| 18023 | Feb 10, 1978 | Feb 10, 1978 | Sun Exploration & Production Co. | Starr | Garza-Rivas Unit #0110 | 6,300 | 42701194 |
| 18013 | Feb 10, 1978 | Feb 10, 1978 | Sun Exploration & Production Co. | Jim Wells | Seeligson Unit #2503 | 6,690 | 24981322 |
| 18012 | Feb 10, 1978 | Feb 10, 1978 | Sun Exploration & Production Co. | Jim Wells | Seeligson Unit #0164 | 8,001 | 24981321 |
| 18010 | Feb 10, 1978 | Feb 10, 1978 | Sun Exploration & Production Co. | Jim Wells | Seeligson Unit #67747 #3103 | 6,133 | 24902673 |
| 18192 | Feb 9, 1978 | Feb 9, 1978 | Sun Exploration & Production Co. | Mitchell | McCabe, V. T. "D" #14 WIW | 6,300 | 33531287 |
| 17922 | Feb 9, 1978 | Feb 9, 1978 | Sun Exploration & Production Co. | Kleberg | Seeligson Unit #4318A | 5,800 | 27301468 |
| 18379 | Feb 7, 1978 | Feb 7, 1978 | Sun Exploration & Production Co. | Fisher | Ocho Juan Unit #511 | 6,200 | 15130846 |
| 17822 | Feb 7, 1978 | Feb 7, 1978 | Sun Exploration & Production Co. | Ector | Johnson, J. L. -D- #7 | 5,700 | 13532928 |
| 18778 | Feb 6, 1978 | Feb 6, 1978 | Sun Exploration & Production Co. | Galveston | Pool, Eddingston #2 | 6,300 | 16700913 |
| 17741 | Feb 6, 1978 | Feb 6, 1978 | Sun Exploration & Production Co. | Mitchell | McCabe, V. T. "A" #6 | 6,300 | 33531280 |
| 18177 | Feb 3, 1978 | Feb 3, 1978 | Sun Exploration & Production Co. | Howard | Settles, W.R. #17 | 3,000 | 22731573 |
| 17614 | Feb 3, 1978 | Feb 3, 1978 | Sun Exploration & Production Co. | Jim Hogg | Jones, A. C. #60 | 6,200 | 24702428 |
| 17424 | Feb 1, 1978 | Feb 1, 1978 | Sun Exploration & Production Co. | Chambers | Middleton, Archie #25 SWI | 8,424 | 07102306 |
| 17422 | Feb 1, 1978 | Feb 1, 1978 | Sun Exploration & Production Co. | Refugio | O'Brien, J. M. #62 | 4,386 | 39100908 |
| 40320 | Jan 31, 1978 | Jan 31, 1978 | Sun Exploration & Production Co. | Fisher | Ocho Juan Unit #512 | 6,200 | 15130842 |
| 18460 | Jan 31, 1978 | Jan 31, 1978 | Sun Exploration & Production Co. | Galveston | State Tract 26 #3 | 6,300 | 16702107 |
| 17333 | Jan 31, 1978 | Jan 31, 1978 | Sun Exploration & Production Co. | Wharton | Henderson, J. P. -A- #2 | 6,928 | 48131260 |
| 17269 | Jan 30, 1978 | Jan 30, 1978 | Sun Exploration & Production Co. | Panola | Moore, C. E. Unit #1 | 9,250 | 36530696 |
| 17644 | Jan 28, 1978 | Jan 28, 1978 | Sun Exploration & Production Co. | Galveston | Zinn & Forman #1 | 7,583 | 16700918 |
| 17185 | Jan 27, 1978 | Jan 27, 1978 | Sun Exploration & Production Co. | Montgomery | Keystone Mills #27 | 10,500 | 33930205 |
| 17184 | Jan 27, 1978 | Jan 27, 1978 | Sun Exploration & Production Co. | Chambers | Chambers #13 | 9,000 | 07130830 |
| 17132 | Jan 23, 1978 | Jan 23, 1978 | Sun Exploration & Production Co. | Duval | Wiederkehr #180 | 1,060 | 13132468 |
| 16870 | Jan 23, 1978 | Jan 23, 1978 | Sun Exploration & Production Co. | Mitchell | McCabe, J. F. "A" #4 | 6,400 | 33531273 |
| 16863 | Jan 23, 1978 | Jan 23, 1978 | Sun Exploration & Production Co. | Mitchell | McCabe, V. T. "C" #8 | 6,400 | 33531272 |
| 16815 | Jan 23, 1978 | Jan 23, 1978 | Sun Exploration & Production Co. | Nueces | McCann, H. L. #23 | 6,500 | 35531241 |
| 16768 | Jan 20, 1978 | Jan 20, 1978 | Sun Exploration & Production Co. | Cochran | Wright, Dela S. -E- #1 | 5,100 | 07930837 |
| 16683 | Jan 19, 1978 | Jan 19, 1978 | Sun Exploration & Production Co. | Glasscock | Edwards, M. M. #11 | 2,450 | 17330909 |
| 16516 | Jan 17, 1978 | Jan 17, 1978 | Sun Exploration & Production Co. | Wise | Remmele, J. B. Unit #2 | 6,100 | 49731075 |
| 16512 | Jan 17, 1978 | Jan 17, 1978 | Sun Exploration & Production Co. | Wise | Walker, O. Unit #2 | 6,100 | 49731074 |
| 16504 | Jan 17, 1978 | Jan 17, 1978 | Sun Exploration & Production Co. | Wise | Foxall, T. H. Unit #2 | 6,900 | 49731073 |
| 16496 | Jan 17, 1978 | Jan 17, 1978 | Sun Exploration & Production Co. | Victoria | Morberry, M.M. #2 | 5,820 | 46901583 |
| 16460 | Jan 16, 1978 | Jan 16, 1978 | Sun Exploration & Production Co. | Cochran | Wright, Dela S. -C- #1 | 5,100 | 07930835 |
| 16442 | Jan 16, 1978 | Jan 16, 1978 | Sun Exploration & Production Co. | Cochran | Wright, Dela S. -D- #1 | 5,100 | 07930834 |
| 16431 | Jan 16, 1978 | Jan 16, 1978 | Sun Exploration & Production Co. | Jim Wells | Canales, P. #119 | 8,504 | 24981317 |
| 16271 | Jan 13, 1978 | Jan 13, 1978 | Sun Exploration & Production Co. | Galveston | Cade-State Unit #1 | 5,500 | 16730615 |
| 16032 | Jan 10, 1978 | Jan 10, 1978 | Sun Exploration & Production Co. | Howard | Rob #14 | 3,200 | 22731560 |
| 16029 | Jan 10, 1978 | Jan 10, 1978 | Sun Exploration & Production Co. | Ector | Moss, Paul Unit #169 | 4,650 | 13532878 |
| 16028 | Jan 10, 1978 | Jan 10, 1978 | Sun Exploration & Production Co. | Ector | Moss, Paul Unit #168 | 4,650 | 13532877 |
| 16027 | Jan 10, 1978 | Jan 10, 1978 | Sun Exploration & Production Co. | Ector | Moss, Paul Unit #167 | 4,650 | 13532876 |
| 16026 | Jan 10, 1978 | Jan 10, 1978 | Sun Exploration & Production Co. | Ector | Moss, Paul Unit #166 | 4,650 | 13532875 |
| 16025 | Jan 10, 1978 | Jan 10, 1978 | Sun Exploration & Production Co. | Ector | Moss, Paul Unit #165 | 4,650 | 13532874 |
| 8565 | Jan 10, 1978 | Jan 10, 1978 | Sun Exploration & Production Co. | Ector | Moss, Paul Unit #161 | 4,650 | 13532774 |
| 15885 | Jan 9, 1978 | Jan 9, 1978 | Sun Exploration & Production Co. | Jim Wells | Seeligson Unit #0195 | 6,125 | 24981316 |
| 15793 | Jan 6, 1978 | Jan 6, 1978 | Sun Exploration & Production Co. | Starr | Garcia, V. #2 | 3,800 | 42730398 |
| 15792 | Jan 6, 1978 | Jan 6, 1978 | Sun Exploration & Production Co. | Starr | Speer, Geo. H. #5 | 4,990 | 42700728 |
| 15791 | Jan 6, 1978 | Jan 6, 1978 | Sun Exploration & Production Co. | Jim Wells | Canales, A. T. #24 | 7,924 | 24981314 |
| 15568 | Jan 4, 1978 | Jan 4, 1978 | Sun Exploration & Production Co. | Kleberg | Canales, A. T. #53 | 11,750 | 27331211 |
| 15565 | Jan 4, 1978 | Jan 4, 1978 | Sun Exploration & Production Co. | Kleberg | Canales, E. G. #21 | 11,500 | 27331210 |
| 15449 | Jan 4, 1978 | Jan 4, 1978 | Sun Exploration & Production Co. | Ector | Wheeler, A. E. #3 | 10,499 | 13508295 |
| 15360 | Jan 3, 1978 | Jan 3, 1978 | Sun Exploration & Production Co. | Goliad | Goehring, R. F. #1 | 7,725 | 17500607 |
| 16608 | Dec 29, 1977 | Dec 29, 1977 | Sun Exploration & Production Co. | Jim Wells | Canales, P. #133 | 6,800 | 24981319 |
| 14895 | Dec 28, 1977 | Dec 28, 1977 | Sun Exploration & Production Co. | Hidalgo | Beaurline, A. W., et Al #2 | 14,025 | 21530818 |
| 14857 | Dec 28, 1977 | Dec 28, 1977 | Sun Exploration & Production Co. | Chambers | Jackson, Felix Etal #24 SWI | 8,600 | 07130800 |
| 14510 | Dec 22, 1977 | Dec 22, 1977 | Sun Exploration & Production Co. | Jim Wells | Seeligson Unit #0143B | 6,200 | 24930854 |
| 15839 | Dec 19, 1977 | Dec 19, 1977 | Sun Exploration & Production Co. | Duval | Wiederkehr, L. #172 | 2,240 | 13131958 |
| 14280 | Dec 19, 1977 | Dec 19, 1977 | Sun Exploration & Production Co. | Roberts | McConnell, C. R. #1 | 9,750 | 39330610 |
| 14119 | Dec 15, 1977 | Dec 15, 1977 | Sun Exploration & Production Co. | Andrews | Holt, O. B. Grbg. #334 | 6,500 | 00331612 |
| 7949 | Dec 14, 1977 | Dec 14, 1977 | Sun Exploration & Production Co. | Kent | Wallace, Bilby North "J" #9 | 6,800 | 26330580 |
| 27036 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) Unit #3119 | 5,600 | 12731633 |
| 15289 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) #232 | 5,600 | 12731637 |
| 15287 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) #1913 | 5,600 | 12731635 |
| 15285 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) #4712 | 5,600 | 12731631 |
| 15284 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) #372 | 5,600 | 12731636 |
| 15279 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) Unit #3120 | 5,600 | 12731632 |
| 15276 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) Unit #4713 | 5,600 | 12731630 |
| 15269 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) Unit #363 | 5,600 | 12731628 |
| 15268 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) Unit #4715 | 5,600 | 12731629 |
| 15267 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Dimmit | Big Wells (San Miguel) Unit #2129 | 5,600 | 12731634 |
| 13582 | Dec 8, 1977 | Dec 8, 1977 | Sun Exploration & Production Co. | Chambers | Jackson, Felix et Al #18 SWI | 8,560 | 07102318 |
| 13508 | Dec 7, 1977 | Dec 7, 1977 | Sun Exploration & Production Co. | Chambers | W. S. C-1 Unit #8 | 11,250 | 07130529 |
| 13502 | Dec 7, 1977 | Dec 7, 1977 | Sun Exploration & Production Co. | Chambers | State Tract 288 #13 | 11,800 | 07130812 |
| 3150 | Dec 7, 1977 | Dec 7, 1977 | Sun Exploration & Production Co. | Nueces | State Tract 424 #7 | 13,500 | 35531163 |
| 13371 | Dec 5, 1977 | Dec 5, 1977 | Sun Exploration & Production Co. | Crockett | Shannon Estate "B" #37 | 2,600 | 10531773 |
| 13699 | Dec 1, 1977 | Dec 1, 1977 | Sun Exploration & Production Co. | Starr | Solis-Garcia Unit 3 #1 | 4,153 | 42703699 |
| 13144 | Dec 1, 1977 | Dec 1, 1977 | Sun Exploration & Production Co. | Chambers | Barrow, R. J. #10 | 10,780 | 07102040 |
| 12898 | Nov 29, 1977 | Nov 29, 1977 | Sun Exploration & Production Co. | Loving | Moore-Hooper "A" #1 | 17,200 | 30130026 |
| 12805 | Nov 28, 1977 | Nov 28, 1977 | Sun Exploration & Production Co. | Starr | Degarza, C. L. #21 | 6,702 | 42700549 |
| 12800 | Nov 28, 1977 | Nov 28, 1977 | Sun Exploration & Production Co. | Starr | Montalvo, I.V. -C- #8 | 6,505 | 42700576 |
| 12797 | Nov 28, 1977 | Nov 28, 1977 | Sun Exploration & Production Co. | Jim Wells | Seeligson Unit #1699 | 6,207 | 24981311 |
| 12769 | Nov 28, 1977 | Nov 28, 1977 | Sun Exploration & Production Co. | Duval | Wiederkehr, L. #181 | 1,138 | 13132481 |
| 12674 | Nov 23, 1977 | Nov 23, 1977 | Sun Exploration & Production Co. | Montgomery | Keystone Mills #27 | 10,500 | 33981260 |
| 12618 | Nov 22, 1977 | Nov 22, 1977 | Sun Exploration & Production Co. | Garza | Swenson, S. M. & Sons "B" #28 | 7,800 | 16930912 |
| 12617 | Nov 22, 1977 | Nov 22, 1977 | Sun Exploration & Production Co. | Garza | Swenson, S. M. & Sons "B" #27 | 7,800 | 16930911 |
| 12555 | Nov 22, 1977 | Nov 22, 1977 | Sun Exploration & Production Co. | Andrews | University "11" #3 | 9,700 | 00303887 |
| 12173 | Nov 16, 1977 | Nov 16, 1977 | Sun Exploration & Production Co. | Ector | East Goldsmith San Andres Unit #2010W | 5,085 | 13532029 |
| 12016 | Nov 15, 1977 | Nov 15, 1977 | Sun Exploration & Production Co. | Mitchell | Stubblefield, Frankie #12 | 6,450 | 33531244 |
| 11939 | Nov 14, 1977 | Nov 14, 1977 | Sun Exploration & Production Co. | Starr | Speer, G. H. St. -B- #23 | 5,375 | 42704775 |