| 121181 | Jun 16, 1981 | Jun 16, 1981 | Price Drilling Co. | Forbes, C. #147933044 | 2,900 |
| 121201 | Jun 15, 1981 | Jun 15, 1981 | Good Hope Refineries, Inc. | Mc Lean, Marrs #A-147933045 | 12,500 |
| 121664 | Jun 12, 1981 | Jun 12, 1981 | Petro-Lewis Corporation | Petty, O.S. #4-1747933052 | 6,250 |
| 121585 | Jun 12, 1981 | Jun 12, 1981 | Petro-Lewis Corporation | Petty, O.S. A-2 #5-647933050 | 6,250 |
| 121559 | Jun 11, 1981 | Jun 11, 1981 | Hughes & Hughes | Olmitos Ranch, Inc. -C- #247933049 | 8,500 |
| 120936 | Jun 10, 1981 | Jun 10, 1981 | Petro-Lewis Corporation | Petty, O.S. #3-1647933043 | 6,250 |
| 120122 | Jun 5, 1981 | Jun 5, 1981 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L.M. #1547932439 | 7,985 |
| 120120 | Jun 5, 1981 | Jun 5, 1981 | Mobil Producing TX. & N.M. Inc. | McElroy, W. N. #247933042 | 7,531 |
| 119986 | Jun 4, 1981 | Jun 4, 1981 | Forest Oil Corp. | Vaquillas Ranch Co., Ltd. #1147933041 | 11,000 |
| 119931 | Jun 3, 1981 | Jun 3, 1981 | Tesoro Petroleum Corporation | Trust, James #947933040 | 7,175 |
| 119930 | Jun 3, 1981 | Jun 3, 1981 | Stampede Energy Corp. | Dawson #647933039 | 7,500 |
| 119712 | May 27, 1981 | May 27, 1981 | Petro-Lewis Corporation | Petty, O.S. #4-1647933037 | 6,250 |
| 119909 | May 26, 1981 | May 26, 1981 | Good Hope Refineries, Inc. | Rottersman #347933038 | 9,500 |
| 118656 | May 20, 1981 | May 20, 1981 | Amoco Production Company | Killam-Hurd-Amoco Walker #147933036 | 7,500 |
| 118310 | May 18, 1981 | May 18, 1981 | GHR Energy Corp. | B.M.T. #1147933030 | 12,200 |
| 118381 | May 18, 1981 | May 18, 1981 | Guenther, Jack | Bruni Trust #2A47933032 | 6,800 |
| 118373 | May 14, 1981 | May 14, 1981 | Forest Oil Corp. | Vaquillas Ranch Co. Ltd. #1247933031 | 11,000 |
| 118424 | May 11, 1981 | May 11, 1981 | Petro-Lewis Corporation | Petty, O.S. #4-1547933035 | 6,250 |
| 118423 | May 11, 1981 | May 11, 1981 | Petro-Lewis Corporation | Petty, O.S. #3-2047933034 | 6,250 |
| 118422 | May 11, 1981 | May 11, 1981 | Petro-Lewis Corporation | Petty, O.S. #3-2147933033 | 6,250 |
| 117358 | May 7, 1981 | May 7, 1981 | Conoco Inc. | Benavides, Rosa V.-A2 #547933029 | 9,300 |
| 117357 | May 7, 1981 | May 7, 1981 | Conoco Inc. | Benavides, Rosa V.-D1 #647933028 | 9,600 |
| 117351 | May 7, 1981 | May 7, 1981 | Conoco Inc. | Vaquillas Ranch -A1 #1147933027 | 10,481 |
| 117331 | May 6, 1981 | May 6, 1981 | Good Hope Refineries, Inc. | B.M.T. #1047933026 | 12,200 |
| 116494 | Apr 30, 1981 | Apr 30, 1981 | Forest Oil Corp. | L. Winch State #447932670 | 9,800 |
| 116467 | Apr 30, 1981 | Apr 30, 1981 | Amoco Production Company | Killam-Hurd-Amoco Fee "D" #147933023 | 7,700 |
| 116347 | Apr 29, 1981 | Apr 29, 1981 | Amoco Production Company | Killam-Hurd-Amoco/A/ #147933022 | 8,200 |
| 116144 | Apr 27, 1981 | Apr 27, 1981 | Central Producers, Inc. | Atlantic Refining Co. #347933020 | 1,000 |
| 116137 | Apr 27, 1981 | Apr 27, 1981 | Stampede Energy Corp. | James #1247933019 | 7,500 |
| 116058 | Apr 27, 1981 | Apr 27, 1981 | Mobil Producing TX. & N.M. Inc. | Garcia, Rafael B., et UX #147933018 | 8,015 |
| 115976 | Apr 24, 1981 | Apr 24, 1981 | Mesa Petroleum Co. | Saldivar Estate #447933017 | 11,880 |
| 118634 | Apr 22, 1981 | Apr 22, 1981 | Consolidated Oil & Gas, Inc. | N. H. Clark L.M. Hereford Unit #547933015 | 8,500 |
| 116487 | Apr 21, 1981 | Apr 21, 1981 | Lewis Energy Corp. | Rachal #I-347933025 | 6,250 |
| 116487Amendment | Apr 21, 1981 | Apr 21, 1981 | Lewis Petro Properties, Inc. | Brask 2182 #1SW47933025 | 5,915 |
| 115319 | Apr 15, 1981 | Apr 15, 1981 | Hughes & Hughes | De Benavides, Rosa V. et Al #147932182 | 10,500 |
| 116469 | Apr 9, 1981 | Apr 9, 1981 | Forest Oil Corp. | Vaquillas Ranch Co.-St.gas Unit #247933024 | 10,128 |
| 114228 | Apr 8, 1981 | Apr 8, 1981 | Conoco Inc. | Hughes Estate #147933014 | 10,481 |
| 114223 | Apr 8, 1981 | Apr 8, 1981 | Chevron U. S. A. Inc. | Bruni Min. Tr. #1447933013 | 9,800 |
| 114220 | Apr 8, 1981 | Apr 8, 1981 | Newton Oil & Gas Corporation | Barreda #347933012 | 7,500 |
| 114219 | Apr 8, 1981 | Apr 8, 1981 | Newton Oil & Gas Corporation | Barreda #247933011 | 7,500 |
| 114169 | Apr 7, 1981 | Apr 7, 1981 | Forest Oil Corp. | Newton, C.D. Estate #147933008 | 10,254 |
| 114157 | Apr 7, 1981 | Apr 7, 1981 | Central Producers, Inc. | Laredo National Bank #1-A47933007 | 2,300 |
| 114154 | Apr 7, 1981 | Apr 7, 1981 | CNR Resources, Inc. | Benavides, Rosa V. de - CNR #2747933006 | 8,550 |
| 114153 | Apr 7, 1981 | Apr 7, 1981 | CNR Resources, Inc. | Benavides, Rosa V. de - CNR #2847933005 | 8,550 |
| 114152 | Apr 7, 1981 | Apr 7, 1981 | CNR Resources, Inc. | Benavides, Rosa V. de - CNR #2647933004 | 8,550 |
| 114150 | Apr 7, 1981 | Apr 7, 1981 | CNR Resources, Inc. | Benavides, Rosa V. de - CNR #2547932526 | 8,550 |
| 114144 | Apr 7, 1981 | Apr 7, 1981 | Sanchez-O'Brien Oil & Gas Corp. | Martin, S.J. #6-A47933002 | 11,500 |
| 114135 | Apr 7, 1981 | Apr 7, 1981 | Getty Oil Co. | El Gato #247933001 | 9,800 |
| 115886 | Apr 6, 1981 | Apr 6, 1981 | Castle Gas Corporation | Adami #147933016 | 1,925 |
| 131183 | Apr 1, 1981 | Apr 1, 1981 | HNG Oil Company | Bruni Mineral "A" #547932906 | 10,600 |
| 114179 | Apr 1, 1981 | Apr 1, 1981 | Petro-Lewis Corporation | Gates "C" #1547933009 | 5,875 |
| 114217 | Mar 27, 1981 | Mar 27, 1981 | Newton Oil & Gas Corporation | Barreda #147933010 | 7,500 |
| 113482 | Mar 27, 1981 | Mar 27, 1981 | Chevron U. S. A. Inc. | Bruni Mineral Trust "A" #1747932999 | 11,000 |
| 113480 | Mar 27, 1981 | Mar 27, 1981 | Gulf Oil Corp. | Bruni Mineral Trust #947932998 | 9,500 |
| 113477 | Mar 27, 1981 | Mar 27, 1981 | HNG Oil Company | Hirsch Estate 537 #147932997 | 9,500 |
| 113459 | Mar 27, 1981 | Mar 27, 1981 | Conoco Inc. | Vaquillas Ranch - A #1047932996 | 12,300 |
| 113456 | Mar 27, 1981 | Mar 27, 1981 | Conoco Inc. | Zachry, H.B. "C" #247931216 | 8,018 |
| 113449 | Mar 27, 1981 | Mar 27, 1981 | Good Hope Refineries, Inc. | Frost National Bank #747932995 | 11,000 |
| 112988 | Mar 24, 1981 | Mar 24, 1981 | Sanchez-O'Brien Oil & Gas Corp. | Martin, J.C. III #547932579 | 10,500 |
| 113562 | Mar 23, 1981 | Mar 23, 1981 | Goldking Prod. Co. | Garza #147932956 | 2,530 |
| 112787 | Mar 20, 1981 | Mar 20, 1981 | Petro-Lewis Corporation | Petty, O. S. #8-2747932994 | 6,250 |
| 112551 | Mar 19, 1981 | Mar 19, 1981 | Freer Oil Co. | Parr, G. B. Fee #7-B47932993 | 850 |
| 112549 | Mar 19, 1981 | Mar 19, 1981 | Freer Oil Co. | Parr, G. B. Fee #6-B47932992 | 850 |
| 112548 | Mar 19, 1981 | Mar 19, 1981 | Freer Oil Co. | Parr, G. B. Fee #447932991 | 880 |
| 112547 | Mar 19, 1981 | Mar 19, 1981 | Freer Oil Co. | Parr, G. B. Fee #347932990 | 880 |
| 112537 | Mar 19, 1981 | Mar 19, 1981 | GHR Energy Corp. | Lechenger #447932989 | 10,000 |
| 112532 | Mar 18, 1981 | Mar 18, 1981 | Honcho International Corp. | Withers #1412-347932988 | 3,500 |
| 112527 | Mar 18, 1981 | Mar 18, 1981 | Honcho International Corp. | Withers #1412-247934694 | 3,500 |
| 112234 | Mar 13, 1981 | Mar 13, 1981 | Honcho International Corp. | Withers #1412-147932986 | 2,327 |
| 111865 | Mar 11, 1981 | Mar 11, 1981 | Pennzoil Producing Co. | Hall, Alice B. - B.M.T. G.U. #38-147932985 | 12,166 |
| 111640 | Mar 10, 1981 | Mar 10, 1981 | Consolidated Oil & Gas, Inc. | Clark, N. H. #647932984 | 8,500 |
| 111459 | Mar 10, 1981 | Mar 10, 1981 | Hughes & Hughes | Olmitos Ranch Inc. -C- #147932983 | 9,500 |
| 111458 | Mar 10, 1981 | Mar 10, 1981 | Killam & Hurd, Ltd. | "Calvillo" B.M.T. #1-A47932982 | 10,390 |
| 111082 | Mar 6, 1981 | Mar 6, 1981 | HNG Oil Company | Hirsch Estate 2096 #247932981 | 8,850 |
| 111077 | Mar 6, 1981 | Mar 6, 1981 | Getty Oil Co. | Vaquillas Ranch Co. Ltd #347932980 | 9,000 |
| 110863 | Mar 5, 1981 | Mar 5, 1981 | Petro-Lewis Corporation | Gates Ranch #203347932979 | 5,784 |
| 110638 | Mar 4, 1981 | Mar 4, 1981 | Zero Corporation of Texas | Moos "B" #547932978 | 2,499 |
| 110609 | Mar 4, 1981 | Mar 4, 1981 | M & B Oil & Gas Properties Inc. | Adami, Ira Ray #447932977 | 2,500 |
| 110606 | Mar 4, 1981 | Mar 4, 1981 | M & B Oil & Gas Properties Inc. | Adami, Ira Ray #347932976 | 2,500 |
| 110604 | Mar 4, 1981 | Mar 4, 1981 | Killam & Hurd, Ltd. | Puig BLK 111 #147932975 | 2,500 |
| 110443 | Mar 3, 1981 | Mar 3, 1981 | Henderson, Peter Oil Co. | Marshall Brothers #247932974 | 2,800 |
| 110440 | Mar 3, 1981 | Mar 3, 1981 | Henderson, Peter Oil Co. | Marshall Brothers #347932973 | 2,800 |
| 109854 | Feb 27, 1981 | Feb 27, 1981 | Southwest Texas Drilling Co. Inc | Carnahan-Garcia #6447932972 | 1,800 |
| 109834 | Feb 27, 1981 | Feb 27, 1981 | Good Hope Refineries, Inc. | Bruni Ranch #647932970 | 11,000 |
| 109430 | Feb 24, 1981 | Feb 24, 1981 | Astro Production, Inc. | Haizlip #647932969 | 4,600 |
| 109416 | Feb 24, 1981 | Feb 24, 1981 | Moore McCormack Production, Inc. | Hubberd "EE" #147932968 | 11,000 |
| 109412 | Feb 24, 1981 | Feb 24, 1981 | Forest Oil Corp. | Vergara, G. B. #347932967 | 9,488 |
| 109211 | Feb 23, 1981 | Feb 23, 1981 | Petro-Lewis Corporation | Petty, O.S. #8-747932923 | 6,000 |
| 130739 | Feb 18, 1981 | Feb 18, 1981 | Sanchez-O'Brien Oil & Gas Corp. | Olmitos Ranch Inc. #147932953 | 8,000 |
| 108703 | Feb 18, 1981 | Feb 18, 1981 | Dirks, R.W. Pet. Eng. Inc. | Hewell, Molly et Al #247932965 | 8,000 |
| 108590 | Feb 17, 1981 | Feb 17, 1981 | Gulf Oil Corp. | Bruni Mineral Trust "A" #1547932964 | 11,100 |
| 108431 | Feb 13, 1981 | Feb 13, 1981 | Hagens, R. C. | Leal, E. #147932963 | 6,000 |
| 108425 | Feb 13, 1981 | Feb 13, 1981 | Forest Oil Corp. | Vergara #247932962 | 11,500 |
| 108421 | Feb 13, 1981 | Feb 13, 1981 | Monterrey Petroleum Corp. | Reiss, Wm. H. #147932961 | 9,000 |
| 109850 | Feb 12, 1981 | Feb 12, 1981 | Enserch Exploration, Inc | Triphene Middleton #E647932971 | 7,000 |
| 108244 | Feb 11, 1981 | Feb 11, 1981 | Hughes & Hughes | Lincoln Estate #247932960 | 9,500 |
| 108107 | Feb 11, 1981 | Feb 11, 1981 | Conoco Inc. | Vaquillas Ranch - a 3 #847932958 | 11,000 |
| 108104 | Feb 11, 1981 | Feb 11, 1981 | Conoco Inc. | Benavides-Timmins #147932957 | 9,700 |
| 107940 | Feb 9, 1981 | Feb 9, 1981 | Conoco Inc. | Zachry, H. B. #247930732 | 8,573 |
| 113090 | Feb 5, 1981 | Feb 5, 1981 | Amoco Production Company | Killam-Hurd-Amoco R.garcia GU #147932954 | 7,500 |