| 375589 | Jul 20, 1990 | Jul 20, 1990 | Fredco | Moursand-Bures #2 | 5,000 | 23901144 |
| 375653 | Jul 19, 1990 | Jul 19, 1990 | Union Expl. Partners, Ltd. | Niebuhr, A. L. #11 | 6,420 | 23932497 |
| 375449 | Jul 18, 1990 | Jul 18, 1990 | Tri-C Resources, Inc. | Drushel "A" #11 | 5,200 | 23932465 |
| 375438 | Jul 18, 1990 | Jul 18, 1990 | Esenjay Petroleum Corp. | Bolling-Collier #14 | 3,000 | 23932550 |
| 375527 | Jul 17, 1990 | Jul 17, 1990 | Columbia Gas Development Corp. | Drushel, William H. Jr. #1 | 9,000 | 23932551 |
| 375351 | Jul 12, 1990 | Jul 12, 1990 | Esenjay Petroleum Corp. | Bolling-Collier #11 | 4,612 | 23931329 |
| 375311 | Jul 12, 1990 | Jul 12, 1990 | Esenjay Petroleum Corp. | Bolling-Collier #13 | 3,000 | 23932549 |
| 375271 | Jul 12, 1990 | Jul 12, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #504 | 6,350 | 23932013 |
| 375193 | Jul 6, 1990 | Jul 6, 1990 | Arco Oil & Gas Co. | Lee, Kathryn #1 | 12,500 | 23932548 |
| 374413 | Jul 6, 1990 | Jul 6, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #513 | 6,470 | 23932215 |
| 375066 | Jul 5, 1990 | Jul 5, 1990 | Stone & Webster Oil Company, Inc | Rowell, L. J. #1 | 6,800 | 23931162 |
| 374956 | Jun 29, 1990 | Jun 29, 1990 | 1988 Indexgeo JV | Duckett #1 | 4,000 | 23932547 |
| 374695 | Jun 21, 1990 | Jun 21, 1990 | Atapco | Labay, E. B. #4 | 900 | 23932546 |
| 374675 | Jun 20, 1990 | Jun 20, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #449 | 6,350 | 23902795 |
| 374616 | Jun 20, 1990 | Jun 20, 1990 | Bridge Oil Company, L. P. | Johnson, Elmer #10 | 8,600 | 23932545 |
| 374478 | Jun 18, 1990 | Jun 18, 1990 | Cameron, Paul E., Jr., Inc. | Yaussi #B 11 | 5,200 | 23932438 |
| 374470 | Jun 15, 1990 | Jun 15, 1990 | Carter Exploration Company | Powell, Sam #3 | 6,995 | 23931969 |
| 374510 | Jun 14, 1990 | Jun 14, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #337 | 6,355 | 23902684 |
| 374228 | Jun 12, 1990 | Jun 12, 1990 | Cameron, Paul E., Jr., Inc. | Yaussi #B 14 | 5,200 | 23932444 |
| 374306 | Jun 11, 1990 | Jun 11, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #386 | 6,306 | 23902733 |
| 373052 | Jun 11, 1990 | Jun 11, 1990 | M. J. G., Inc. | Finley, Dee #1 | 7,250 | 23932542 |
| 374149 | Jun 8, 1990 | Jun 8, 1990 | Cameron, Paul E., Jr., Inc. | Yaussi #B 15 | 5,200 | 23932451 |
| 374146 | Jun 8, 1990 | Jun 8, 1990 | Tri-C Resources, Inc. | Yaussi "A" #7 | 5,200 | 23932480 |
| 374146Amendment | Jun 8, 1990 | Jun 8, 1990 | Tri-C Resources, Inc. | Yaussi "A" #9 | 5,200 | 23932480 |
| 374145 | Jun 8, 1990 | Jun 8, 1990 | Tri-C Resources, Inc. | Drushel "B" #15 | 5,200 | 23932488 |
| 374053 | Jun 7, 1990 | Jun 7, 1990 | TXO Production Corp. | Miller Gas Unit "AE" #1 | 4,812 | 23932119 |
| 374022 | Jun 5, 1990 | Jun 5, 1990 | Neumin Production Company | Scott, A. J. et Al #1 | 6,200 | 23932544 |
| 373967 | Jun 1, 1990 | Jun 1, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch State Oil & Gas Unit #7 | 7,263 | 23930071 |
| 373920 | May 31, 1990 | May 31, 1990 | Mobil Producing TX. & N.M. Inc. | Gordin Estate #26 | 5,480 | 23932060 |
| 372255 | May 30, 1990 | May 30, 1990 | Smith, Harry L. | Kountze & Couch #B 2 | 6,850 | 23932472 |
| 373839 | May 25, 1990 | May 25, 1990 | Lytle Creek Operating, Inc. | Robinson Ranch #1 | 4,850 | 23932543 |
| 373831 | May 25, 1990 | May 25, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #388 | 5,852 | 23902735 |
| 373830 | May 25, 1990 | May 25, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #332 | 6,354 | 23902679 |
| 373653 | May 25, 1990 | May 25, 1990 | Sue-Ann Production Company | Hanna Ross (Ross GU) #5 | 5,155 | 23900877 |
| 373792 | May 24, 1990 | May 24, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #391 | 7,050 | 23902738 |
| 373709 | May 24, 1990 | May 24, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch 'A' #515 | 6,440 | 23932224 |
| 373709Amendment | May 24, 1990 | May 24, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch 'A' #515 | 6,440 | 23932224 |
| 373709Amendment | May 24, 1990 | May 24, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch 'A' #515 | 6,440 | 23932224 |
| 373654 | May 22, 1990 | May 22, 1990 | Sue-Ann Production Company | Ross, Hanna #2 | 6,700 | 23900880 |
| 373654Amendment | May 22, 1990 | May 22, 1990 | Sue-Ann Production Company | Hanna Ross (Ross GU) #2 | 6,700 | 23900880 |
| 373532 | May 21, 1990 | May 21, 1990 | Cameron, Paul E., Jr., Inc. | Belschner #2 | 5,200 | 23932470 |
| 373349 | May 18, 1990 | May 18, 1990 | Fuller, Ancil T. | Traylor, Gene C. et Al #1A | 8,800 | 23932387 |
| 373214 | May 14, 1990 | May 14, 1990 | Haas, C. F. Oil & Gas Inc. | Drushel, S. G. #6A | 5,208 | 23932448 |
| 373208 | May 11, 1990 | May 11, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #522 | 8,494 | 23932378 |
| 373208Amendment | May 11, 1990 | May 11, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #522 | 8,494 | 23932378 |
| 373186 | May 10, 1990 | May 10, 1990 | Tri-C Resources, Inc. | Anders #1 | 11,000 | 23932541 |
| 373186Amendment | May 10, 1990 | May 10, 1990 | Tri-C Resources, Inc. | Anders #1 | 11,000 | 23932541 |
| 373137 | May 10, 1990 | May 10, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #516 | 6,450 | 23932230 |
| 373136 | May 10, 1990 | May 10, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #517 | 8,550 | 23932249 |
| 373127 | May 9, 1990 | May 9, 1990 | Hanson Minerals Co. | Peters #2 | 10,000 | 23932540 |
| 371107 | May 4, 1990 | May 4, 1990 | Engelke, R. H. | Mudd, D. L. #1 | 8,409 | 23932168 |
| 372775 | May 2, 1990 | May 2, 1990 | Mobil Producing TX. & N.M. Inc. | Traylor, C.S. #1 | 10,000 | 23930736 |
| 372755 | May 2, 1990 | May 2, 1990 | Cameron, Paul E., Jr., Inc. | Faust #2 | 5,200 | 23932436 |
| 372749 | May 1, 1990 | May 1, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch 'A' #403 | 6,303 | 23902750 |
| 372580 | Apr 25, 1990 | Apr 25, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch 'A' #53 | 7,500 | 23902408 |
| 372580Amendment | Apr 25, 1990 | Apr 25, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #53 | 7,500 | 23902408 |
| 372517 | Apr 25, 1990 | Apr 25, 1990 | Ken Petroleum Corporation | Skalicky #1 | 7,500 | 23932412 |
| 372449 | Apr 25, 1990 | Apr 25, 1990 | Cameron, Paul E., Jr., Inc. | Faust #1 | 5,200 | 23932346 |
| 372337 | Apr 20, 1990 | Apr 20, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #112 | 5,756 | 23902467 |
| 371996 | Apr 20, 1990 | Apr 20, 1990 | Cottonwood Exploration Company | Drushel #1 | 7,012 | 23932186 |
| 371996Amendment | Apr 20, 1990 | Apr 20, 1990 | Cottonwood Exploration Company | Drushel #1 | 7,012 | 23932186 |
| 371385 | Apr 19, 1990 | Apr 19, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #507 | 6,050 | 23932015 |
| 372257 | Apr 17, 1990 | Apr 17, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #424 | 6,192 | 23902771 |
| 372256 | Apr 17, 1990 | Apr 17, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #523 | 8,555 | 23932368 |
| 371893 | Apr 13, 1990 | Apr 13, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #521 | 8,550 | 23932372 |
| 372097 | Apr 12, 1990 | Apr 12, 1990 | Vintage Petroleum, Inc. | McElveen, H.O. #1L | 7,064 | 23930166 |
| 371997 | Apr 12, 1990 | Apr 12, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #13 | 6,493 | 23902368 |
| 371998 | Apr 11, 1990 | Apr 11, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #509J | 6,360 | 23932134 |
| 371826 | Apr 5, 1990 | Apr 5, 1990 | Sue-Ann Production Company | Silliman, L. A. #11H | 7,900 | 23903530 |
| 371600 | Mar 29, 1990 | Mar 29, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #344 | 6,349 | 23902691 |
| 371528 | Mar 28, 1990 | Mar 28, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #342 | 6,547 | 23902689 |
| 371528Amendment | Mar 28, 1990 | Mar 28, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #342 | 6,547 | 23902689 |
| 371411 | Mar 28, 1990 | Mar 28, 1990 | Sue-Ann Production Company | Tunnison, F. V. #2 | 6,671 | 23903940 |
| 371410 | Mar 28, 1990 | Mar 28, 1990 | Sue-Ann Production Company | M. L. & I. Gas Unit #25F | 6,500 | 23930261 |
| 371384 | Mar 26, 1990 | Mar 26, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #171 | 8,250 | 23902526 |
| 371384Amendment | Mar 26, 1990 | Mar 26, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #171 | 7,432 | 23902526 |
| 371329 | Mar 26, 1990 | Mar 26, 1990 | Mobil Producing TX. & N.M. Inc. | Gordin Estate #30 | 6,665 | 23932248 |
| 371352 | Mar 23, 1990 | Mar 23, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #455 | 5,803 | 23903654 |
| 371351 | Mar 23, 1990 | Mar 23, 1990 | Mobil Producing TX. & N.M. Inc. | Gordin Estate #7 | 6,310 | 23901756 |
| 371235 | Mar 22, 1990 | Mar 22, 1990 | CPX Petroleum, Inc. | Robinson, V. #1 | 4,500 | 23932539 |
| 371117 | Mar 21, 1990 | Mar 21, 1990 | Carnes Exploration Company | Robinson #1 | 3,600 | 23932538 |
| 371088 | Mar 20, 1990 | Mar 20, 1990 | Ken Petroleum Corporation | Kallus #1 | 10,000 | 23932537 |
| 371088Amendment | Mar 20, 1990 | Mar 20, 1990 | Ken Petroleum Corporation | Kallus #1 | 10,000 | 23932537 |
| 371041 | Mar 20, 1990 | Mar 20, 1990 | Cox & Perkins Exploration, Inc. | Callaway #1 | 11,000 | 23932536 |
| 370996 | Mar 19, 1990 | Mar 19, 1990 | Sue-Ann Production Company | Broughton, John #3F | 8,415 | 23903644 |
| 370980 | Mar 15, 1990 | Mar 15, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #413 | 6,499 | 23902760 |
| 370980Amendment | Mar 15, 1990 | Mar 15, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #413 | 6,499 | 23902760 |
| 370831 | Mar 15, 1990 | Mar 15, 1990 | Sue-Ann Production Company | Mauritz Unit #3 | 9,750 | 23931532 |
| 370625 | Mar 15, 1990 | Mar 15, 1990 | Mobil Producing TX. & N.M. Inc. | Gordin Estate #30 | 7,150 | 23932248 |
| 370531 | Mar 6, 1990 | Mar 6, 1990 | Engelke, R. H. | Wolfskill, L. A. #1 | 9,500 | 23932535 |
| 370241 | Feb 28, 1990 | Feb 28, 1990 | Tri-C Resources, Inc. | Sklar #4 | 12,000 | 23932534 |
| 370240 | Feb 28, 1990 | Feb 28, 1990 | Tri-C Resources, Inc. | Sklar #3 | 12,000 | 23932533 |
| 370240Amendment | Feb 28, 1990 | Feb 28, 1990 | Tri-C Resources, Inc. | Sklar #3 | 12,000 | 23932533 |
| 370347 | Feb 27, 1990 | Feb 27, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #32 | 6,610 | 23902387 |
| 370268 | Feb 27, 1990 | Feb 27, 1990 | Cox & Perkins Exploration, Inc. | Batt #1 | 11,300 | 23932461 |
| 370217 | Feb 26, 1990 | Feb 26, 1990 | Ken Petroleum Corporation | Rosage Unit #1 | 10,000 | 23932532 |
| 370179 | Feb 26, 1990 | Feb 26, 1990 | Cameron, Paul E., Jr., Inc. | Faust #4 | 5,208 | 23932434 |
| 370162 | Feb 26, 1990 | Feb 26, 1990 | Haas, C. F. Oil & Gas Inc. | Drushel, S. G. #10 | 5,300 | 23932531 |
| 370142 | Feb 22, 1990 | Feb 22, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #349 | 7,439 | 23902696 |
| 369687 | Feb 21, 1990 | Feb 21, 1990 | Haas, C. F. Oil & Gas Inc. | Drushel, S. G. #9 | 5,300 | 23932529 |