| 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 |
| 324226 | Dec 16, 1986 | Dec 16, 1986 | HNG Oil Company | Hirsch Estate 2094 #5 | 10,300 | 47934456 |
| 324224 | Dec 15, 1986 | Dec 15, 1986 | Brahman Resources, Inc. | Moreno, Alba L. #1 | 2,700 | 47934457 |
| 324068 | Dec 11, 1986 | Dec 11, 1986 | HNG Oil Company | Vaquillas Ranch 135 #2 | 10,800 | 47934455 |
| 323614 | Dec 3, 1986 | Dec 3, 1986 | Chevron U. S. A. Inc. | Moreno, I. et Al #3 | 9,000 | 47934454 |
| 323617 | Dec 2, 1986 | Dec 2, 1986 | Transamerican Natural Gas Corp. | Frost National Bank #26 | 10,600 | 47934453 |
| 323617Amendment | Dec 2, 1986 | Dec 2, 1986 | Transamerican Natural Gas Corp. | Frost National Bank #26 | 11,500 | 47934453 |
| 322828 | Nov 26, 1986 | Nov 26, 1986 | Baker, Tersh-Baker Petroleum Co. | Junco Ranch #1 | 6,800 | 47934441 |
| 323329 | Nov 25, 1986 | Nov 25, 1986 | North Central Oil Corp. | Webb County School Board #6 | 8,950 | 47934452 |
| 323144 | Nov 21, 1986 | Nov 21, 1986 | Mobil Producing TX. & N.M. Inc. | Callaghan Ranch #23 | 6,668 | 47930918 |
| 323365 | Nov 20, 1986 | Nov 20, 1986 | TDC Engineering, Inc. | Dinn 462 #1 | 12,000 | 47934451 |
| 323300 | Nov 19, 1986 | Nov 19, 1986 | Michael Petroleum Corporation | Martin, J. C. III #7 | 9,500 | 47934450 |
| 323142 | Nov 19, 1986 | Nov 19, 1986 | Santa FE Energy Oper. Part., LP | Bruni-Killam #1 | 18,000 | 47934449 |
| 322930 | Nov 19, 1986 | Nov 19, 1986 | Buck, George | Garcia, E. #19 | 1,750 | 47934443 |
| 323141 | Nov 18, 1986 | Nov 18, 1986 | Transamerican Natural Gas Corp. | Frost, P. M. "B" #2 | 11,600 | 47935134 |
| 323097 | Nov 17, 1986 | Nov 17, 1986 | Transamerican Natural Gas Corp. | Bruni Ranch #19 | 10,100 | 47934447 |
| 322986 | Nov 14, 1986 | Nov 14, 1986 | Keck, W. M. II | Kirkpatrick, O. G. #5 | 2,200 | 47934445 |
| 322985 | Nov 14, 1986 | Nov 14, 1986 | Keck, W. M. II | Kirkpatrick, O. G. #4 | 2,200 | 47934444 |
| 322988 | Nov 13, 1986 | Nov 13, 1986 | Keck, W. M. II | Kirkpatrick, O. G. #6 | 2,200 | 47934446 |
| 322938 | Nov 10, 1986 | Nov 10, 1986 | HNG Oil Company | Vaquillas Ranch Co., Ltd. 1627 #2 | 10,400 | 47934442 |
| 322792 | Nov 6, 1986 | Nov 6, 1986 | Amoco Production Company | Killam-Hurd-Amoco "T" #1 | 7,050 | 47934440 |
| 322715 | Nov 6, 1986 | Nov 6, 1986 | RBD-PNB Operating Agency | Briscoe "E" #85 | 5,000 | 47934439 |
| 322609 | Nov 3, 1986 | Nov 3, 1986 | Trevino, Jesse S. Jr. | Laredo Air Force Base #1 | 7,500 | 47934438 |
| 322276 | Oct 29, 1986 | Oct 29, 1986 | Killam Oil Company | K & H "1647" #1 | 10,000 | 47934437 |
| 322073 | Oct 23, 1986 | Oct 23, 1986 | RBD-PNB Operating Agency | Briscoe "E" #84 | 4,700 | 47934435 |
| 322073Amendment | Oct 23, 1986 | Oct 23, 1986 | RBD-PNB Operating Agency | Briscoe "E" #84 | 4,700 | 47934435 |
| 322189 | Oct 22, 1986 | Oct 22, 1986 | Lobo Resources, Ltd. | Dinn, John and Elva #1 | 12,800 | 47934436 |
| 322068 | Oct 22, 1986 | Oct 22, 1986 | Transamerican Natural Gas Corp. | Lundell "D" #1 | 11,400 | 47934434 |
| 322049 | Oct 22, 1986 | Oct 22, 1986 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. "B" #17 | 9,500 | 47934433 |
| 321567 | Oct 22, 1986 | Oct 22, 1986 | Amoco Production Company | Killam-Hurd-Amoco-Alexander G.U. #2 | 7,395 | 47933162 |
| 321892 | Oct 20, 1986 | Oct 20, 1986 | Sanchez-O'Brien Oil & Gas Corp. | Hereford, L. M. #18 | 9,500 | 47934432 |
| 321759 | Oct 16, 1986 | Oct 16, 1986 | Cox Oil & Gas, Inc. | Vergara 1680 #8 | 11,300 | 47934430 |
| 321759Amendment | Oct 16, 1986 | Oct 16, 1986 | Cox Oil & Gas, Inc. | Vergara 1680 #8 | 11,300 | 47934430 |
| 321759Amendment | Oct 16, 1986 | Oct 16, 1986 | Cox Oil & Gas, Inc. | Vergara 1680 #8 | 11,316 | 47934430 |
| 321910 | Oct 15, 1986 | Oct 15, 1986 | TDC Engineering, Inc. | Leal 667 #1 | 12,000 | 47934431 |
| 321910Amendment | Oct 15, 1986 | Oct 15, 1986 | TDC Engineering, Inc. | Leal 667 #1 | 12,000 | 47934431 |
| 321754 | Oct 15, 1986 | Oct 15, 1986 | Transamerican Natural Gas Corp. | Cavazos "B" #1 | 10,000 | 47934429 |
| 321612 | Oct 8, 1986 | Oct 8, 1986 | Graham Royalty, Ltd. | Gates Ranch "B" #5996 | 6,000 | 47934428 |
| 321612Amendment | Oct 8, 1986 | Oct 8, 1986 | Graham Royalty, Ltd. | Gates Ranch "B" -1996 #5 | 6,000 | 47934428 |
| 321612Amendment | Oct 8, 1986 | Oct 8, 1986 | Kerns O & G, Inc. | Gates Ranch "B" -1996 #5 | 6,000 | 47934428 |
| 321405 | Oct 6, 1986 | Oct 6, 1986 | HNG Oil Company | Benavides, Rosa V. 1927 #1 | 10,000 | 47934427 |
| 321405Amendment | Oct 6, 1986 | Oct 6, 1986 | HNG Oil Company | Benavides, Rosa V. 1927 #1 | 10,000 | 47934427 |
| 321304 | Oct 3, 1986 | Oct 3, 1986 | Mobil Producing TX. & N.M. Inc. | Callaghan Ranch, South #11 | 9,600 | 47934426 |
| 321100 | Oct 1, 1986 | Oct 1, 1986 | Lewis Petro Properties, Inc. | Leyendecker-Kone #1A | 7,500 | 47934425 |
| 320796 | Sep 29, 1986 | Sep 29, 1986 | Conoco Inc. | Benavides, Rosa V. A-1 #34 | 9,000 | 47934422 |
| 320796Amendment | Sep 29, 1986 | Sep 29, 1986 | Conoco Inc. | Benavides, Rosa V. -C #34 | 9,700 | 47934422 |
| 320917 | Sep 22, 1986 | Sep 22, 1986 | Arco Oil & Gas Co. | Stroman-Armstrong 924 #2 | 13,100 | 47934424 |
| 320916 | Sep 22, 1986 | Sep 22, 1986 | Arco Oil & Gas Co. | Bruni G. U. 1 #3 | 10,650 | 47934423 |
| 320776 | Sep 18, 1986 | Sep 18, 1986 | HNG Oil Company | Hirsch, I. Estate #2 | 10,000 | 47934421 |
| 320776Amendment | Sep 18, 1986 | Sep 18, 1986 | HNG Oil Company | Hirsch, I. Estate 517 #2 | 10,000 | 47934421 |
| 320532 | Sep 18, 1986 | Sep 18, 1986 | Getty Oil Co. | El Gato #15 | 9,850 | 47934420 |
| 320375 | Sep 17, 1986 | Sep 17, 1986 | RBD-PNB Operating Agency | Briscoe "E" #79 | 5,300 | 47934418 |
| 320358 | Sep 17, 1986 | Sep 17, 1986 | RBD-PNB Operating Agency | Briscoe "E" #83 | 4,600 | 47934417 |
| 320370 | Sep 12, 1986 | Sep 12, 1986 | HNG Oil Company | Hirsch Estate 2094 #4 | 10,000 | 47934419 |
| 320261 | Sep 10, 1986 | Sep 10, 1986 | Conoco Inc. | Zachry, H. B. #5 | 7,800 | 47934416 |
| 305661 | Aug 27, 1986 | Aug 27, 1986 | Conoco Inc. | Vaquillas Ranch B #13 | 12,114 | 47933087 |
| 305655 | Aug 27, 1986 | Aug 27, 1986 | Conoco Inc. | Vaquillas Ranch -A1 #49 | 11,049 | 47933836 |
| 305600 | Aug 26, 1986 | Aug 26, 1986 | Cox Oil & Gas, Inc. | Gonzalez, Ruben #2 | 16,000 | 47934414 |
| 305600Amendment | Aug 26, 1986 | Aug 26, 1986 | Cox Oil & Gas, Inc. | Gonzales, Ruben #2 | 16,000 | 47934414 |
| 305595 | Aug 22, 1986 | Aug 22, 1986 | HNG Oil Company | Vaquillas Ranch Co., Ltd. 67 #2 | 10,200 | 47934413 |
| 305595Amendment | Aug 22, 1986 | Aug 22, 1986 | HNG Oil Company | Vaquillas Ranch Co., Ltd. 67 #2 | 10,200 | 47934413 |
| 305526 | Aug 22, 1986 | Aug 22, 1986 | Killam Oil Company | Rodriguez Cattle Co. #3 | 8,000 | 47934410 |
| 305536 | Aug 22, 1986 | Aug 22, 1986 | HNG Oil Company | Garner, Tully C. 1056 #1 | 8,200 | 47934411 |
| 305536Amendment | Aug 22, 1986 | Aug 22, 1986 | HNG Oil Company | Garner, Tully C. 1056 #1 | 8,200 | 47934411 |
| 305536Amendment | Aug 22, 1986 | Aug 22, 1986 | HNG Oil Company | Garner, Tully C. 1056 #1 | 8,200 | 47934411 |
| 305537 | Aug 22, 1986 | Aug 22, 1986 | HNG Oil Company | Garner, Tully C. 978 #1 | 8,250 | 47934412 |
| 305537Amendment | Aug 22, 1986 | Aug 22, 1986 | HNG Oil Company | Garner, Tully C. 978 #1 | 8,250 | 47934412 |
| 305537Amendment | Aug 22, 1986 | Aug 22, 1986 | HNG Oil Company | Garner, Tully C. 978 #1 | 8,250 | 47934412 |
| 305451 | Aug 20, 1986 | Aug 20, 1986 | HNG Oil Company | Garner, Tully C. #11 | 8,200 | 47934409 |
| 305378 | Aug 19, 1986 | Aug 19, 1986 | HNG Oil Company | Garner, Tully C. #12 | 8,230 | 47934408 |
| 305056 | Aug 8, 1986 | Aug 8, 1986 | Getty Oil Co. | El Gato #14 | 9,500 | 47934407 |
| 304961 | Aug 6, 1986 | Aug 6, 1986 | HNG Oil Company | Vaquillas Ranch et al 1956 #1 | 11,000 | 47934406 |
| 304912 | Aug 6, 1986 | Aug 6, 1986 | Killam Oil Company | B.M.T., Bruni-Leyendecker #6 | 5,310 | 47933453 |
| 304888 | Aug 5, 1986 | Aug 5, 1986 | Cox Oil & Gas, Inc. | B.M.T. 69 #1 | 16,000 | 47934405 |
| 304681 | Jul 29, 1986 | Jul 29, 1986 | Transamerican Natural Gas Corp. | McLean, Marrs "C" #7 | 12,300 | 47934404 |
| 304586 | Jul 28, 1986 | Jul 28, 1986 | HNG Oil Company | Vaquillas Ranch Co., Ltd. 1629 #3 | 10,200 | 47934403 |
| 304586Amendment | Jul 28, 1986 | Jul 28, 1986 | HNG Oil Company | Vaquillas Ranch Co., Ltd. 1629 #3 | 10,200 | 47934403 |
| 304500 | Jul 24, 1986 | Jul 24, 1986 | Transamerican Natural Gas Corp. | State Lease "B" #2 | 12,300 | 47934747 |
| 304502 | Jul 24, 1986 | Jul 24, 1986 | Transamerican Natural Gas Corp. | Frost National Bank #25 | 10,600 | 47934400 |
| 304514 | Jul 24, 1986 | Jul 24, 1986 | Transamerican Natural Gas Corp. | Carr #26 | 9,200 | 47934402 |
| 304513 | Jul 24, 1986 | Jul 24, 1986 | Transamerican Natural Gas Corp. | State Lease "B" #4 | 12,300 | 47934401 |
| 304227 | Jul 16, 1986 | Jul 16, 1986 | Graham Royalty, Ltd. | Petty, O. S. A-2 #1006 | 5,900 | 47934397 |
| 304227Amendment | Jul 16, 1986 | Jul 16, 1986 | Graham Royalty, Ltd. | Petty, O. S. A-2 #1006 | 5,850 | 47934397 |
| 304225 | Jul 16, 1986 | Jul 16, 1986 | Apache Corporation | Nicholson Ranch #1 | 17,500 | 47934396 |
| 304256 | Jul 16, 1986 | Jul 16, 1986 | Conoco Inc. | Vaquillas Ranch-A3 #58 | 11,400 | 47934398 |
| 304092 | Jul 15, 1986 | Jul 15, 1986 | Wright Brothers Energy, Inc. | Hirsch 'B' #4 | 7,000 | 47931227 |
| 303931 | Jul 9, 1986 | Jul 9, 1986 | Murexco Petroleum, Inc. | Leyendecker #4 | 5,500 | 47935060 |
| 303890 | Jul 8, 1986 | Jul 8, 1986 | HNG Oil Company | Vaquillas Ranch Co., Ltd. 1953 #2 | 10,500 | 47934394 |
| 303614 | Jun 27, 1986 | Jun 27, 1986 | Transamerican Natural Gas Corp. | Vaquillas Ranch "C" #1 | 9,800 | 47934393 |
| 303479 | Jun 24, 1986 | Jun 24, 1986 | HNG Oil Company | Vaquillas Ranch Co., Ltd. 1647 #2 | 10,300 | 47934390 |
| 303564 | Jun 24, 1986 | Jun 24, 1986 | Killam Oil Company | Ramon, Emma "469" #2 | 11,500 | 47934392 |
| 303480 | Jun 24, 1986 | Jun 24, 1986 | HNG Oil Company | Vaquillas Ranch 1646 #2 | 10,200 | 47934391 |
| 303405 | Jun 20, 1986 | Jun 20, 1986 | HNG Oil Company | Hirsch Estate 2096 #5 | 9,800 | 47934388 |
| 303410 | Jun 20, 1986 | Jun 20, 1986 | Transamerican Natural Gas Corp. | B.M.T. #21 | 10,800 | 47934389 |
| 303371 | Jun 18, 1986 | Jun 18, 1986 | Transamerican Natural Gas Corp. | Carr #28 | 9,200 | 47934387 |
| 303299 | Jun 18, 1986 | Jun 18, 1986 | Mobil Producing TX. & N.M. Inc. | Callaghan Ranch #20 | 6,650 | 47930810 |
| 303269 | Jun 16, 1986 | Jun 16, 1986 | Graham Royalty, Ltd. | Gates Ranch "B" #6035 | 6,000 | 47934386 |
| 303016 | Jun 9, 1986 | Jun 9, 1986 | Getty Oil Co. | El Gato #13 | 10,100 | 47934385 |
| 302969 | Jun 9, 1986 | Jun 9, 1986 | Transamerican Natural Gas Corp. | Carr #25 | 10,000 | 47934384 |