| 331150 | Jun 5, 1987 | Jun 5, 1987 | Coalinga Corporation | Kirkpatrick, O. G. #8 | 2,200 | 47934534 |
| 331142 | Jun 3, 1987 | Jun 3, 1987 | Transamerican Natural Gas Corp. | Carr #32 | 9,200 | 47934533 |
| 331130 | Jun 3, 1987 | Jun 3, 1987 | Mobil Producing TX. & N.M. Inc. | Benavides, Brennan #54 | 4,000 | 47930175 |
| 330892 | Jun 3, 1987 | Jun 3, 1987 | Stampede Energy Corp. | Dawson #7 | 7,500 | 47934531 |
| 331059 | Jun 2, 1987 | Jun 2, 1987 | Forest Oil Corp. | Lundell A #6 | 12,000 | 47934532 |
| 330580 | May 28, 1987 | May 28, 1987 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #24 | 9,200 | 47934526 |
| 330746 | May 27, 1987 | May 27, 1987 | Columbus Energy Corp. | Briones, J. E. "A" #1 | 9,800 | 47934527 |
| 330746Amendment | May 27, 1987 | May 27, 1987 | Columbus Energy Corp. | Briones, J. E. "A" #1 | 9,800 | 47934527 |
| 330778 | May 26, 1987 | May 26, 1987 | Nelson & Tucker Operating Co. | Gates "B" #1471 | 6,250 | 47934529 |
| 330778Amendment | May 26, 1987 | May 26, 1987 | Nelson & Tucker Operating Co. | Gates "B" #9971 | 6,250 | 47934529 |
| 330424 | May 21, 1987 | May 21, 1987 | Santa FE Energy Oper. Part., LP | Bruni-Killam #2 | 18,000 | 47934525 |
| 330395 | May 20, 1987 | May 20, 1987 | Lobo Resources, Ltd. | Moglia, G. B. #1 | 12,000 | 47934524 |
| 330375 | May 18, 1987 | May 18, 1987 | Amoco Production Company | Bruni Mineral Trust #5 | 10,000 | 47934523 |
| 330060 | May 13, 1987 | May 13, 1987 | Cox Oil & Gas, Inc. | Olmitos Ranch #13 | 9,200 | 47934519 |
| 330058 | May 13, 1987 | May 13, 1987 | Cox Oil & Gas, Inc. | Olmitos Ranch #12 | 9,200 | 47934520 |
| 330049 | May 12, 1987 | May 12, 1987 | EP Operating Company | Laurel, Alonzo Z. Ltd. #1 | 10,403 | 47934001 |
| 329926 | May 12, 1987 | May 12, 1987 | Cox Oil & Gas, Inc. | Ruben Gonzalez Gas Unit #3 | 16,000 | 47934518 |
| 329925 | May 12, 1987 | May 12, 1987 | Cox Oil & Gas, Inc. | Ruben Gonzalez Gas Unit #4 | 16,000 | 47934517 |
| 329925Amendment | May 12, 1987 | May 12, 1987 | Cox Oil & Gas, Inc. | Ruben Gonzalez Gas Unit #4 | 15,000 | 47934517 |
| 329925Amendment | May 12, 1987 | May 12, 1987 | Cox Oil & Gas, Inc. | Ruben Gonzalez Gas Unit #4 | 15,000 | 47934517 |
| 329819 | May 7, 1987 | May 7, 1987 | Stampede Energy Corp. | James #18 | 7,500 | 47934516 |
| 329773 | May 7, 1987 | May 7, 1987 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #23 | 8,700 | 47934514 |
| 329855 | May 5, 1987 | May 5, 1987 | Transamerican Natural Gas Corp. | Day #2 | 10,000 | 47934515 |
| 329701 | May 4, 1987 | May 4, 1987 | Killam Oil Company | De Benavides, Rosa V. #C 3 | 3,700 | 47934513 |
| 329701Amendment | May 4, 1987 | May 4, 1987 | Killam Oil Company | De Benavides, Rosa V. #C 3 | 3,730 | 47934513 |
| 329473 | Apr 30, 1987 | Apr 30, 1987 | Transamerican Natural Gas Corp. | Lundell #53 | 11,000 | 47934512 |
| 329362 | Apr 30, 1987 | Apr 30, 1987 | Enron Oil & Gas Company | De Benavides, Rosa V. -K- #1 | 4,108 | 47932124 |
| 329476 | Apr 29, 1987 | Apr 29, 1987 | Enron Oil & Gas Company | Hirsch Estate 1771 #1 | 9,200 | 47933701 |
| 329139 | Apr 21, 1987 | Apr 21, 1987 | Transamerican Natural Gas Corp. | Hereford #20 | 8,500 | 47934511 |
| 329086 | Apr 20, 1987 | Apr 20, 1987 | Pennzoil Company | B.M.T.-Hall, Alice B. #6802 | 11,000 | 47934510 |
| 329086Amendment | Apr 20, 1987 | Apr 20, 1987 | Pennzoil Company | B.M.T.-Hall, Alice B. #6802 | 11,000 | 47934510 |
| 329033 | Apr 20, 1987 | Apr 20, 1987 | Enron Oil & Gas Company | Vaquillas Ranch Co., Ltd. 1629 #5 | 10,500 | 47934508 |
| 329035 | Apr 17, 1987 | Apr 17, 1987 | Transamerican Natural Gas Corp. | Hereford #19 | 8,500 | 47934509 |
| 329035Amendment | Apr 17, 1987 | Apr 17, 1987 | Transamerican Natural Gas Corp. | Hereford #19 | 8,500 | 47934509 |
| 329035Amendment | Apr 17, 1987 | Apr 17, 1987 | Transamerican Natural Gas Corp. | Hereford #19 | 8,500 | 47934509 |
| 328938 | Apr 16, 1987 | Apr 16, 1987 | Cox Oil & Gas, Inc. | Armstrong 258 #1 | 15,500 | 47934506 |
| 329071 | Apr 15, 1987 | Apr 15, 1987 | Transamerican Natural Gas Corp. | Carr #31 | 10,000 | 47934507 |
| 328849 | Apr 13, 1987 | Apr 13, 1987 | Freer Oil Co. | Parr, G. B. Fee #B 11 | 860 | 47934505 |
| 328660 | Apr 8, 1987 | Apr 8, 1987 | TDC Engineering, Inc. | Perez Unit 667 #2 | 12,000 | 47934504 |
| 328660Amendment | Apr 8, 1987 | Apr 8, 1987 | TDC Engineering, Inc. | Perez Unit 667 #2 | 12,000 | 47934504 |
| 328563 | Apr 6, 1987 | Apr 6, 1987 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #22 | 8,600 | 47934503 |
| 328562 | Apr 6, 1987 | Apr 6, 1987 | Gonzalez, Elia G. Mineral Trust | Gonzalez, Elia G. Mineral Trust #1 | 3,000 | 47934251 |
| 328561 | Apr 6, 1987 | Apr 6, 1987 | Michael Petroleum Corporation | Martin, Sophie J. #4 | 9,250 | 47932601 |
| 328503 | Apr 3, 1987 | Apr 3, 1987 | Mobil Producing TX. & N.M. Inc. | Stanford, P. H. #3 | 10,000 | 47934502 |
| 328504 | Apr 1, 1987 | Apr 1, 1987 | Transamerican Natural Gas Corp. | Frost National Bank #27 | 10,600 | 47934501 |
| 328219 | Mar 30, 1987 | Mar 30, 1987 | Mobil Producing TX. & N.M. Inc. | Benavides, Brennan #63 | 5,812 | 47930189 |
| 320217 | Mar 30, 1987 | Mar 30, 1987 | Bommer Engineering Co. | Zachry, H. B. #2 | 7,000 | 47934415 |
| 327836 | Mar 27, 1987 | Mar 27, 1987 | Imlay, A. F. | Koch, Sebastian H. #1AF | 1,300 | 47934500 |
| 328162 | Mar 26, 1987 | Mar 26, 1987 | Enron Oil & Gas Company | Keidel-Tejones 1664 #2 | 10,800 | 47934499 |
| 328162Amendment | Mar 26, 1987 | Mar 26, 1987 | Enron Oil & Gas Company | Keidel-Tejones 1664 #2 | 10,800 | 47934499 |
| 328070 | Mar 20, 1987 | Mar 20, 1987 | Michael Petroleum Corporation | Martin, J.C. III #8 | 9,800 | 47934498 |
| 328004 | Mar 20, 1987 | Mar 20, 1987 | Hopson, Fred S. | Milagro #8 | 7,500 | 47934497 |
| 327705 | Mar 17, 1987 | Mar 17, 1987 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #21 | 8,700 | 47934496 |
| 327705Amendment | Mar 17, 1987 | Mar 17, 1987 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #21 | 8,700 | 47934496 |
| 327656 | Mar 12, 1987 | Mar 12, 1987 | Amoco Production Company | Killam-Hurd-Amoco 'AF' #1 | 7,600 | 47934494 |
| 327655 | Mar 12, 1987 | Mar 12, 1987 | Amoco Production Company | Killam-Hurd-Amoco 'AE' #1 | 8,000 | 47934495 |
| 327635 | Mar 11, 1987 | Mar 11, 1987 | TDC Engineering, Inc. | Malakoff-Peterson #2 | 7,500 | 47934493 |
| 327635Amendment | Mar 11, 1987 | Mar 11, 1987 | TDC Engineering, Inc. | Malakoff-Peterson #2 | 7,000 | 47934493 |
| 327528 | Mar 11, 1987 | Mar 11, 1987 | Transamerican Natural Gas Corp. | Hein "B" #2 | 10,200 | 47934492 |
| 327375 | Mar 9, 1987 | Mar 9, 1987 | Transamerican Natural Gas Corp. | Rottersman #8 | 11,000 | 47934491 |
| 327339 | Mar 4, 1987 | Mar 4, 1987 | Hopson, Fred S. | Milagro #7 | 7,500 | 47934490 |
| 327071 | Mar 3, 1987 | Mar 3, 1987 | Transamerican Natural Gas Corp. | Frost, P. M. "D" #1 | 11,500 | 47934487 |
| 327182 | Feb 27, 1987 | Feb 27, 1987 | Morris Exploration, Inc. | Guerra, F. et. Al. #7 | 1,800 | 47931268 |
| 327180 | Feb 27, 1987 | Feb 27, 1987 | Morris Exploration, Inc. | Guerra, F. Et.al. #6 | 1,760 | 47934488 |
| 326981 | Feb 26, 1987 | Feb 26, 1987 | Transamerican Natural Gas Corp. | Hein, G & G #2 | 9,000 | 47934485 |
| 327095 | Feb 25, 1987 | Feb 25, 1987 | RBD-PNB Operating Agency | Briscoe "H" #9 | 5,000 | 47934486 |
| 326853 | Feb 20, 1987 | Feb 20, 1987 | Enron Oil & Gas Company | Bruni Mineral "B" #9 | 12,000 | 47934484 |
| 326847 | Feb 20, 1987 | Feb 20, 1987 | Amoco Production Company | Killam-Hurd-Amoco "AC" #1 | 8,300 | 47934482 |
| 326846 | Feb 20, 1987 | Feb 20, 1987 | Amoco Production Company | Killam-Hurd-Amoco "AD" #1 | 8,100 | 47934483 |
| 324788 | Feb 19, 1987 | Feb 19, 1987 | Gonzalez, Elia G. Mineral Trust | Lopez, R. Estate #1 | 1,500 | 47901325 |
| 326521 | Feb 18, 1987 | Feb 18, 1987 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #20 | 8,700 | 47934480 |
| 326521Amendment | Feb 18, 1987 | Feb 18, 1987 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #20 | 8,700 | 47934480 |
| 326569 | Feb 13, 1987 | Feb 13, 1987 | Buck, George | Puig BLK 42 #1042 | 1,250 | 47934481 |
| 326358 | Feb 11, 1987 | Feb 11, 1987 | Lobo Resources, Ltd. | Dinn, John & Elva #2 | 12,000 | 47934479 |
| 326355 | Feb 11, 1987 | Feb 11, 1987 | Conoco Inc. | BMT-Bruni, L. E. - B #1 | 13,000 | 47933672 |
| 326206 | Feb 9, 1987 | Feb 9, 1987 | Maggert Energy Corp. | Omitos Ranch, Inc. #1 | 7,524 | 47932953 |
| 326140 | Feb 9, 1987 | Feb 9, 1987 | Graham Royalty, Ltd. | Gates Ranch "B" #1997 | 6,250 | 47934475 |
| 326276 | Feb 6, 1987 | Feb 6, 1987 | Enron Oil & Gas Company | Benavides, Rosa V. 1927 #3 | 10,000 | 47934477 |
| 326196 | Feb 5, 1987 | Feb 5, 1987 | Enron Oil & Gas Company | Benavides, Rosa V. 1927 #2 | 10,500 | 47934476 |
| 326009 | Jan 30, 1987 | Jan 30, 1987 | Amoco Production Company | Killam-Hurd-Amoco "AB" #1 | 7,700 | 47934474 |
| 325894 | Jan 30, 1987 | Jan 30, 1987 | HNG Oil Company | Norfleet, A. V. #1 | 6,876 | 47932275 |
| 325934 | Jan 28, 1987 | Jan 28, 1987 | Enron Oil & Gas Company | Vaquillas Ranch Co., Ltd. 1647 #3 | 10,500 | 47934473 |
| 325877 | Jan 28, 1987 | Jan 28, 1987 | Michael Petroleum Corporation | Martin, Sophia J. #6 | 9,700 | 47934472 |
| 325775 | Jan 28, 1987 | Jan 28, 1987 | Killam Oil Company | De Benavides, Rosa V. #46 | 4,292 | 47933123 |
| 325884 | Jan 27, 1987 | Jan 27, 1987 | TDC Engineering, Inc. | Perez 667 #1 | 12,000 | 47934471 |
| 325884Amendment | Jan 27, 1987 | Jan 27, 1987 | TDC Engineering, Inc. | Perez Unit 667 #1 | 12,000 | 47934471 |
| 325697 | Jan 26, 1987 | Jan 26, 1987 | Enron Oil & Gas Company | Vaquillas Ranch 1646 #3 | 10,400 | 47934470 |
| 325344 | Jan 20, 1987 | Jan 20, 1987 | Transamerican Natural Gas Corp. | B.M.T. #22 | 11,500 | 47934465 |
| 325471 | Jan 16, 1987 | Jan 16, 1987 | Conoco Inc. | Vaquillas Ranch - J #39 | 10,692 | 47933705 |
| 325445 | Jan 14, 1987 | Jan 14, 1987 | Enron Oil & Gas Company | Vaquillas Ranch Co., Ltd. 1629 #4 | 10,500 | 47934469 |
| 325429 | Jan 14, 1987 | Jan 14, 1987 | Amoco Production Company | Killam-Hurd-Amoco "Y" #1 | 8,200 | 47934467 |
| 325429Amendment | Jan 14, 1987 | Jan 14, 1987 | Amoco Production Company | Killam-Hurd-Amoco 'Y' #1 | 8,200 | 47934467 |
| 325153 | Jan 8, 1987 | Jan 8, 1987 | Graham Royalty, Ltd. | Petty, O. S. A-2 #708 | 6,000 | 47934464 |
| 325127 | Jan 7, 1987 | Jan 7, 1987 | HNG Oil Company | Keidel-Tejones 1664 #1 | 10,300 | 47934462 |
| 325120 | Jan 7, 1987 | Jan 7, 1987 | Graham Royalty, Ltd. | Petty, O. S. A-2 #605 | 6,000 | 47934463 |
| 324618 | Dec 30, 1986 | Dec 30, 1986 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. "B" #19 | 9,700 | 47934459 |
| 324793 | Dec 29, 1986 | Dec 29, 1986 | TDC Engineering, Inc. | Malakoff-Peterson #1 | 8,000 | 47934461 |
| 324793Amendment | Dec 29, 1986 | Dec 29, 1986 | TDC Engineering, Inc. | Malakoff-Peterson #1 | 8,000 | 47934461 |
| 324757 | Dec 29, 1986 | Dec 29, 1986 | Amoco Production Company | Killam-Hurd-Amoco "Z" #1 | 8,000 | 47934460 |
| 324437 | Dec 16, 1986 | Dec 16, 1986 | Little Oil & Gas, Inc. | G-B Minerals Fee #1 | 750 | 47934458 |