| 459274 | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Mills-McGee Trust Unit #1H | 6,900 | 33133477 |
| 459274Amendment | Mar 10, 1997 | Mar 10, 1997 | Union Pacific Resources Company | Mills-McGee Trust Unit #1H | 6,900 | 33133477 |
| 458719 | Feb 24, 1997 | Feb 24, 1997 | Union Pacific Resources Company | Burton-Wells Unit #1H | 6,900 | 33133476 |
| 458719Amendment | Feb 24, 1997 | Feb 24, 1997 | Union Pacific Resources Company | Burton-Wells Unit #1H | 6,900 | 33133476 |
| 458719Amendment | Feb 24, 1997 | Feb 24, 1997 | Union Pacific Resources Company | Burton-Wells Unit #1H | 6,900 | 33133476 |
| 457502 | Jan 28, 1997 | Jan 28, 1997 | Union Pacific Resources Company | Beretta Unit #1H | 7,000 | 33133475 |
| 457376 | Jan 21, 1997 | Jan 21, 1997 | Heartland Resources, Inc. | Underwood #12 | 2,000 | 33133473 |
| 457375 | Jan 17, 1997 | Jan 17, 1997 | Heartland Resources, Inc. | Underwood #10 | 2,000 | 33133474 |
| 457375Amendment | Jan 17, 1997 | Jan 17, 1997 | Sheldon Resources, L.P. | Underwood #10 | 2,000 | 33133474 |
| 454609 | Nov 1, 1996 | Nov 1, 1996 | Big Rock Royalty | Silvey, W. T. #1A | 8,300 | 33133472 |
| 453349 | Oct 2, 1996 | Oct 2, 1996 | Union Pacific Resources Company | Stewart Unit #1H | 6,500 | 33133471 |
| 453209 | Sep 30, 1996 | Sep 30, 1996 | Petro Delta | Duhe #3 | 2,400 | 33133307 |
| 452866 | Sep 18, 1996 | Sep 18, 1996 | Petro Delta | Duhe #1 | 3,100 | 33132973 |
| 450461 | Jul 17, 1996 | Jul 17, 1996 | Union Pacific Resources Company | Mueller-Gause Unit #1H | 7,200 | 33133470 |
| 450461Amendment | Jul 17, 1996 | Jul 17, 1996 | Union Pacific Resources Company | Mueller-Gause Unit #1H | 7,200 | 33133470 |
| 450182 | Jul 16, 1996 | Jul 16, 1996 | Union Pacific Resources Company | Young-Wilson Unit #1H | 7,000 | 33133469 |
| 450182Amendment | Jul 16, 1996 | Jul 16, 1996 | Union Pacific Resources Company | Young-Wilson Unit #1H | 7,000 | 33133469 |
| 449213 | Jun 13, 1996 | Jun 13, 1996 | Union Pacific Resources Company | Heathman-Miller Unit #1H | 7,000 | 33133468 |
| 449213Amendment | Jun 13, 1996 | Jun 13, 1996 | Union Pacific Resources Company | Heathman-Miller Unit #1H | 7,000 | 33133468 |
| 448732 | Jun 5, 1996 | Jun 5, 1996 | Union Pacific Resources Company | Ditto-Wilson Unit #1H | 7,200 | 33133467 |
| 448732Amendment | Jun 5, 1996 | Jun 5, 1996 | Union Pacific Resources Company | Ditto-Wilson Unit #1H | 7,200 | 33133467 |
| 448568 | May 29, 1996 | May 29, 1996 | Union Pacific Resources Company | Citori Unit #1H | 7,300 | 33133466 |
| 448568Amendment | May 29, 1996 | May 29, 1996 | Union Pacific Resources Company | Citori Unit #1H | 7,300 | 33133466 |
| 447891 | May 8, 1996 | May 8, 1996 | Union Pacific Resources Company | Ely Unit #2H | 7,000 | 33133465 |
| 447891Amendment | May 8, 1996 | May 8, 1996 | Union Pacific Resources Company | Ely Unit #2H | 6,600 | 33133465 |
| 447891Amendment | May 8, 1996 | May 8, 1996 | Union Pacific Resources Company | Ely Unit 2 #1H | 7,000 | 33133465 |
| 447396 | Apr 24, 1996 | Apr 24, 1996 | 3R-B Oil Venture | Roberts #1 | 2,500 | 33133464 |
| 446571 | Apr 2, 1996 | Apr 2, 1996 | Union Pacific Resources Company | Ely Unit #1H | 7,000 | 33133463 |
| 446571Amendment | Apr 2, 1996 | Apr 2, 1996 | Union Pacific Resources Company | Ely Unit 1 #1H | 7,000 | 33133463 |
| 445087 | Mar 4, 1996 | Mar 4, 1996 | Marlo Oil | Massengale #M 2 | 250 | 33133462 |
| 443926 | Jan 22, 1996 | Jan 22, 1996 | Marlo Oil | Massengale #M 1 | 250 | 33133461 |
| 443642 | Jan 12, 1996 | Jan 12, 1996 | Union Pacific Resources Company | BI-County Unit 2 #1H | 7,000 | 33133460 |
| 443642Amendment | Jan 12, 1996 | Jan 12, 1996 | Union Pacific Resources Company | Browning Unit #1H | 7,000 | 33133460 |
| 443194 | Dec 27, 1995 | Dec 27, 1995 | Union Pacific Resources Company | Slay Unit #1H | 7,094 | 33133459 |
| 443194Amendment | Dec 27, 1995 | Dec 27, 1995 | Union Pacific Resources Company | Slay Unit #1H | 7,094 | 33133459 |
| 441594 | Nov 8, 1995 | Nov 8, 1995 | S & JB, Inc. | Hodges #1 | 1,700 | 33133458 |
| 441355 | Oct 30, 1995 | Oct 30, 1995 | Union Pacific Resources Company | Smith Estate Unit #1H | 7,400 | 33133457 |
| 441355Amendment | Oct 30, 1995 | Oct 30, 1995 | Union Pacific Resources Company | Smith Estate Unit #1H | 10,000 | 33133457 |
| 440579 | Oct 5, 1995 | Oct 5, 1995 | Texas Land & Trading Co, Inc. | Borho #1 | 1,900 | 33133456 |
| 439709 | Sep 11, 1995 | Sep 11, 1995 | Texas Land & Trading Co, Inc. | Elf #1 | 1,900 | 33133455 |
| 439022 | Aug 30, 1995 | Aug 30, 1995 | San Dia Producing Company | Montague Cattle Company #2 | 3,400 | 33130116 |
| 435434 | May 4, 1995 | May 4, 1995 | American Petrofina Pipe Line Co. | Driscol, P. T. Estate #1423 | 475 | 33133454 |
| 432831 | Mar 21, 1995 | Mar 21, 1995 | Koch Pipelines, Inc. | Rectifier #49R | 350 | 33133452 |
| 433447 | Mar 2, 1995 | Mar 2, 1995 | Rosenthal, Stanley H. | Busch, R.D. #15 | 2,890 | 33133440 |
| 433233 | Feb 27, 1995 | Feb 27, 1995 | Target Drilling Inc. | Hogan #1 | 1,300 | 33133453 |
| 428196 | Feb 10, 1995 | Feb 10, 1995 | Heartland Resources, Inc. | Tru Unit #5 | 1,990 | 33133449 |
| 431996 | Jan 30, 1995 | Jan 30, 1995 | Raymond, Wm. C. | Rackel C. M. #1A | 2,900 | 33133451 |
| 428799 | Oct 10, 1994 | Oct 10, 1994 | S & JB, Inc. | Betchan #1 A | 1,600 | 33133450 |
| 427618 | Sep 1, 1994 | Sep 1, 1994 | Rosenthal, Stanley H. | Busch R.D. #5 | 1,986 | 33133365 |
| 424067 | Aug 23, 1994 | Aug 23, 1994 | Heartland Resources, Inc. | Yakesch #1 | 2,500 | 33133444 |
| 426606 | Aug 9, 1994 | Aug 9, 1994 | R.D. Oil Company | Smith, Oxsheer Estate #A 19 | 600 | 33133447 |
| 426607 | Aug 5, 1994 | Aug 5, 1994 | R.D. Oil Company | Smith, Oxsheer Estate #12 | 1,000 | 33133446 |
| 426605 | Aug 5, 1994 | Aug 5, 1994 | R.D. Oil Company | Smith, Oxsheer Estate #A 6 | 600 | 33133448 |
| 426563 | Aug 4, 1994 | Aug 4, 1994 | Union Pacific Resources Company | Cunningham #1H | 7,050 | 33133445 |
| 426563Amendment | Aug 4, 1994 | Aug 4, 1994 | Union Pacific Resources Company | Cunningham #1H | 7,050 | 33133445 |
| 426563Amendment | Aug 4, 1994 | Aug 4, 1994 | Union Pacific Resources Company | Cunningham #1H | 7,050 | 33133445 |
| 423418 | Apr 28, 1994 | Apr 28, 1994 | 3R-B Oil Venture | Underwood #9 | 2,450 | 33133443 |
| 422797 | Apr 7, 1994 | Apr 7, 1994 | 3R-B Oil Venture | Underwood #8 | 2,050 | 33133442 |
| 422756 | Apr 6, 1994 | Apr 6, 1994 | R.D. Oil Company | Smith, Oxsheer Estate #A 11 | 580 | 33133441 |
| 422283 | Mar 22, 1994 | Mar 22, 1994 | Rosenthal, Stanley H. | Busch, R.D. #15 | 3,800 | 33133440 |
| 417600 | Nov 10, 1993 | Nov 10, 1993 | Texas Onshore Energy, Inc. | Montague Cattle Company #2 | 6,268 | 33130116 |
| 416795 | Oct 6, 1993 | Oct 6, 1993 | Rosenthal, Stanley H. | Busch, R. D. #14 | 2,200 | 33133439 |
| 414731 | Aug 12, 1993 | Aug 12, 1993 | Heartland Resources, Inc. | Roberts, J. Bob #2 | 2,500 | 33133438 |
| 414308 | Jul 27, 1993 | Jul 27, 1993 | Exploration Consultants Inc | Beard, T.A. "F" #01 | 2,001 | 33133437 |
| 412702 | Jun 10, 1993 | Jun 10, 1993 | Rosenthal, Stanley H. | Busch, R. D. #12 | 2,200 | 33133436 |
| 412701 | Jun 10, 1993 | Jun 10, 1993 | Rosenthal, Stanley H. | Busch, R. D. #8 | 3,000 | 33133435 |
| 412700 | Jun 10, 1993 | Jun 10, 1993 | Rosenthal, Stanley H. | Bushc, R. D. #11 | 2,200 | 33133434 |
| 412699 | Jun 10, 1993 | Jun 10, 1993 | Rosenthal, Stanley H. | Busch, R. D. #13 | 2,200 | 33133433 |
| 412485 | Jun 7, 1993 | Jun 7, 1993 | 3R-B Oil Venture | Hogan-Smith-Garner #1 | 1,500 | 33133432 |
| 412484 | Jun 7, 1993 | Jun 7, 1993 | 3R-B Oil Venture | Hogan-Smith-Garner #2 | 1,500 | 33133431 |
| 411699 | May 13, 1993 | May 13, 1993 | Oracle Petroleum Corp. | Silvey, W.T. #1 | 5,740 | 33130719 |
| 411699Amendment | May 13, 1993 | May 13, 1993 | Petreco, Inc. | Silvey, W.T. #1 | 3,000 | 33130719 |
| 409890 | Mar 23, 1993 | Mar 23, 1993 | Heartland Resources, Inc. | Tru Unit #4 | 1,990 | 33133430 |
| 409847 | Mar 23, 1993 | Mar 23, 1993 | Heartland Resources, Inc. | Darby Fee #2 | 2,500 | 33133429 |
| 406450 | Dec 29, 1992 | Dec 29, 1992 | Chisholm Oil Investments | Batte, Mary Belle #102 | 600 | 33133422 |
| 407507 | Dec 22, 1992 | Dec 22, 1992 | Penrod Oil Company of Texas, Inc | Neihaus-Isaacs -A- #59 | 990 | 33133427 |
| 407506 | Dec 22, 1992 | Dec 22, 1992 | Penrod Oil Company of Texas, Inc | Neihaus-Isaacs -A- #60 | 990 | 33133426 |
| 407505 | Dec 22, 1992 | Dec 22, 1992 | Penrod Oil Company of Texas, Inc | Neihaus-Isaacs -A- #61 | 990 | 33133425 |
| 407503 | Dec 22, 1992 | Dec 22, 1992 | Penrod Oil Company of Texas, Inc | Neihaus-Isaacs -A- #63 | 990 | 33133423 |
| 407508 | Dec 21, 1992 | Dec 21, 1992 | Penrod Oil Company of Texas, Inc | Neihaus-Isaacs -A- #58 | 990 | 33133428 |
| 407504 | Dec 21, 1992 | Dec 21, 1992 | Penrod Oil Company of Texas, Inc | Neihaus-Issaacs -A- #62 | 990 | 33133424 |
| 407334 | Dec 16, 1992 | Dec 16, 1992 | Penrod Oil Company of Texas, Inc | Bauer, Fritz #10 | 990 | 33133421 |
| 407168 | Dec 14, 1992 | Dec 14, 1992 | TDK Energy Corporation | Coffield M-1-B #1 | 3,590 | 33130730 |
| 407167 | Dec 14, 1992 | Dec 14, 1992 | TDK Energy Corporation | Coffield M-1-F #1 | 5,810 | 33130731 |
| 406887 | Dec 4, 1992 | Dec 4, 1992 | Penrod Oil Company of Texas, Inc | Moody #9 | 1,200 | 33133420 |
| 406886 | Dec 4, 1992 | Dec 4, 1992 | Penrod Oil Company of Texas, Inc | Moody #8 | 1,200 | 33133419 |
| 406885 | Dec 4, 1992 | Dec 4, 1992 | Penrod Oil Company of Texas, Inc | Moody #7 | 1,200 | 33133418 |
| 406884 | Dec 4, 1992 | Dec 4, 1992 | Penrod Oil Company of Texas, Inc | Moody #6 | 1,200 | 33133417 |
| 406883 | Dec 4, 1992 | Dec 4, 1992 | Penrod Oil Company of Texas, Inc | Moody #5 | 1,200 | 33133416 |
| 406882 | Dec 4, 1992 | Dec 4, 1992 | Penrod Oil Company of Texas, Inc | Moody #4 | 1,200 | 33133415 |
| 406576 | Nov 25, 1992 | Nov 25, 1992 | Penrod Oil Company of Texas, Inc | Garner-Smith #4 | 1,200 | 33133414 |
| 406043 | Nov 12, 1992 | Nov 12, 1992 | R.E.O. Energy, Inc. | Fee #101 | 1,200 | 33133413 |
| 406042 | Nov 12, 1992 | Nov 12, 1992 | R.E.O. Energy, Inc. | O'Neal, E.H. #146 | 1,200 | 33133412 |
| 405955 | Nov 10, 1992 | Nov 10, 1992 | Exploration Consultants Inc | Smith, Anastasia #01 | 2,001 | 33133411 |
| 405690 | Nov 4, 1992 | Nov 4, 1992 | Heartland Resources, Inc. | Coffield - J&J #1 | 2,900 | 33133410 |
| 405642 | Nov 4, 1992 | Nov 4, 1992 | 3R-B Oil Venture | Underwood #07 | 1,925 | 33133409 |
| 401544 | Nov 4, 1992 | Nov 4, 1992 | Y Oil Company Inc. | Henry #C 20 | 900 | 33133368 |
| 401543 | Nov 4, 1992 | Nov 4, 1992 | Y Oil Company Inc. | McClellan S & T #12 | 900 | 33133367 |
| 401542 | Nov 4, 1992 | Nov 4, 1992 | Y Oil Company Inc. | McClellan S & T #C 1 | 900 | 33133366 |
| 405634 | Nov 3, 1992 | Nov 3, 1992 | R.E.O. Energy, Inc. | Neihaus-Isaacs -A- #55 | 1,100 | 33133405 |