| 472533 | Jan 22, 1998 | Jan 22, 1998 | Pioneer Natural Res. USA, Inc. | Brown, Etta Holt #28 | 3,450 | 33534043 |
| 472532 | Jan 22, 1998 | Jan 22, 1998 | Pioneer Natural Res. USA, Inc. | Foster, Mary #455 | 3,450 | 33534046 |
| 472531 | Jan 22, 1998 | Jan 22, 1998 | Pioneer Natural Res. USA, Inc. | Brown, Etta Holt #24W | 3,450 | 33534042 |
| 472530 | Jan 22, 1998 | Jan 22, 1998 | Pioneer Natural Res. USA, Inc. | Watson, W. W. #55 | 3,450 | 33534040 |
| 472529 | Jan 22, 1998 | Jan 22, 1998 | Pioneer Natural Res. USA, Inc. | Watson, W. W. #56 | 3,450 | 33534039 |
| 472528 | Jan 22, 1998 | Jan 22, 1998 | Pioneer Natural Res. USA, Inc. | Brown, Etta Holt #23W | 3,450 | 33534041 |
| 472527 | Jan 22, 1998 | Jan 22, 1998 | Pioneer Natural Res. USA, Inc. | Watson, W. W. #57 | 3,450 | 33534038 |
| 472526 | Jan 22, 1998 | Jan 22, 1998 | Pioneer Natural Res. USA, Inc. | Brown, Etta #17 | 3,450 | 33534034 |
| 472438 | Jan 22, 1998 | Jan 22, 1998 | Chevron U. S. A. Inc. | Morrison, Earl E. #17 | 3,200 | 33500379 |
| 470343 | Dec 18, 1997 | Dec 18, 1997 | Pioneer Natural Res. USA, Inc. | Horwood #2 | 3,450 | 33534022 |
| 470837 | Dec 9, 1997 | Dec 9, 1997 | Chisholm Exploration | Dunn #1 | 7,500 | 33534033 |
| 470789 | Dec 3, 1997 | Dec 3, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary Acct. 2 #453 | 2,200 | 33534032 |
| 470788 | Dec 3, 1997 | Dec 3, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary Acct. 2 #452 | 2,200 | 33534031 |
| 470787 | Dec 3, 1997 | Dec 3, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary Acct. 2 #451 | 2,200 | 33534030 |
| 470786 | Dec 3, 1997 | Dec 3, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary Acct. 2 #450 | 2,200 | 33534029 |
| 470756 | Dec 3, 1997 | Dec 3, 1997 | Merit Energy Company | McCabe, J. F. "C" #1 | 7,240 | 33532360 |
| 470437 | Dec 2, 1997 | Dec 2, 1997 | Pioneer Natural Res. USA, Inc. | Watson, W. W. #54W | 3,450 | 33534028 |
| 470024 | Nov 25, 1997 | Nov 25, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #448W | 3,450 | 33534011 |
| 469401 | Nov 25, 1997 | Nov 25, 1997 | Gruy Petroleum Management Co. | Morrison "G" #21 | 3,500 | 33534006 |
| 469400 | Nov 25, 1997 | Nov 25, 1997 | Gruy Petroleum Management Co. | Morrison "G" #14 | 3,500 | 33534008 |
| 469394 | Nov 25, 1997 | Nov 25, 1997 | Gruy Petroleum Management Co. | Morrison "G" #12 | 3,500 | 33533994 |
| 469392 | Nov 25, 1997 | Nov 25, 1997 | Gruy Petroleum Management Co. | Morrison "G" #29 | 3,500 | 33534005 |
| 469390 | Nov 25, 1997 | Nov 25, 1997 | Gruy Petroleum Management Co. | Morrison "G" #22 | 3,500 | 33534002 |
| 469389 | Nov 25, 1997 | Nov 25, 1997 | Gruy Petroleum Management Co. | Morrison "G" #30 | 3,500 | 33533996 |
| 469388 | Nov 25, 1997 | Nov 25, 1997 | Gruy Petroleum Management Co. | Morrison "G" #28 | 3,500 | 33534000 |
| 469386 | Nov 25, 1997 | Nov 25, 1997 | Gruy Petroleum Management Co. | Morrison "G" #23 | 3,500 | 33533998 |
| 470436 | Nov 21, 1997 | Nov 21, 1997 | Pioneer Natural Res. USA, Inc. | Mitchell "C" Fee #29 | 3,400 | 33534027 |
| 470342 | Nov 20, 1997 | Nov 20, 1997 | Pioneer Natural Res. USA, Inc. | Horwood #1 | 3,450 | 33534023 |
| 470341 | Nov 20, 1997 | Nov 20, 1997 | Pioneer Natural Res. USA, Inc. | Brown, Etta Holt #15 | 3,450 | 33534024 |
| 470340 | Nov 20, 1997 | Nov 20, 1997 | Pioneer Natural Res. USA, Inc. | Brown, Etta Holt #13 | 3,450 | 33534025 |
| 470339 | Nov 20, 1997 | Nov 20, 1997 | Pioneer Natural Res. USA, Inc. | Brown, Etta Holt #12 | 3,450 | 33534026 |
| 470335 | Nov 20, 1997 | Nov 20, 1997 | Pioneer Natural Res. USA, Inc. | Horwood #3 | 3,450 | 33534021 |
| 470335Amendment | Nov 20, 1997 | Nov 20, 1997 | Pioneer Natural Res. USA, Inc. | Horwood #3 | 3,450 | 33534021 |
| 470295 | Nov 19, 1997 | Nov 19, 1997 | Pioneer Natural Res. USA, Inc. | Brown, Etta #14 | 3,450 | 33534020 |
| 470294 | Nov 19, 1997 | Nov 19, 1997 | Pioneer Natural Res. USA, Inc. | Brown, Etta #11 | 3,450 | 33534019 |
| 469913 | Nov 14, 1997 | Nov 14, 1997 | Merit Energy Company | McCabe, V.T. "C" #14 | 7,300 | 33531721 |
| 470033 | Nov 12, 1997 | Nov 12, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #449 | 3,450 | 33534009 |
| 470032 | Nov 12, 1997 | Nov 12, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #447 | 3,450 | 33534018 |
| 470030 | Nov 12, 1997 | Nov 12, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #446 | 3,450 | 33534017 |
| 470029 | Nov 12, 1997 | Nov 12, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #445 | 3,450 | 33534016 |
| 470027 | Nov 12, 1997 | Nov 12, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #444 | 3,450 | 33534015 |
| 470026 | Nov 12, 1997 | Nov 12, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #443 | 3,450 | 33534014 |
| 470025 | Nov 12, 1997 | Nov 12, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #441 | 3,450 | 33534013 |
| 470023 | Nov 12, 1997 | Nov 12, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #440 | 3,450 | 33534012 |
| 470022 | Nov 12, 1997 | Nov 12, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #442 | 3,450 | 33534010 |
| 469399 | Oct 29, 1997 | Oct 29, 1997 | Gruy Petroleum Management Co. | Morrison "G" #27W | 3,500 | 33533995 |
| 469398 | Oct 29, 1997 | Oct 29, 1997 | Gruy Petroleum Management Co. | Morrison "G" #26W | 3,500 | 33533997 |
| 469397 | Oct 29, 1997 | Oct 29, 1997 | Gruy Petroleum Management Co. | Morrison "G" #24W | 3,500 | 33533999 |
| 469396 | Oct 29, 1997 | Oct 29, 1997 | Gruy Petroleum Management Co. | Morrison "G" #19W | 3,500 | 33534001 |
| 469395 | Oct 29, 1997 | Oct 29, 1997 | Gruy Petroleum Management Co. | Morrison "G" #18W | 3,500 | 33534003 |
| 469393 | Oct 29, 1997 | Oct 29, 1997 | Gruy Petroleum Management Co. | Morrison "G" #17W | 3,500 | 33534004 |
| 469391 | Oct 29, 1997 | Oct 29, 1997 | Gruy Petroleum Management Co. | Morrison "G" #16W | 3,500 | 33534007 |
| 469335 | Oct 27, 1997 | Oct 27, 1997 | Gruy Petroleum Management Co. | Morrison "G" #13 | 3,500 | 33533993 |
| 469334 | Oct 27, 1997 | Oct 27, 1997 | Gruy Petroleum Management Co. | Morrison "G" #15 | 3,500 | 33533992 |
| 469333 | Oct 27, 1997 | Oct 27, 1997 | Gruy Petroleum Management Co. | Morrison "G" #20 | 3,500 | 33533991 |
| 468880 | Oct 20, 1997 | Oct 20, 1997 | Chevron U. S. A. Inc. | Morrison-Gill #3 | 3,212 | 33533524 |
| 468294 | Oct 10, 1997 | Oct 10, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #436W | 3,400 | 33533981 |
| 468292 | Oct 10, 1997 | Oct 10, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #435W | 3,400 | 33533980 |
| 468573 | Oct 8, 1997 | Oct 8, 1997 | Pioneer Natural Res. USA, Inc. | Watson, W. W. #52 | 3,400 | 33533990 |
| 468298 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Watson, W. W. #53 | 3,400 | 33533989 |
| 468297 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #437 | 3,400 | 33533979 |
| 468296 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #439 | 3,400 | 33533982 |
| 468295 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #438 | 3,400 | 33533983 |
| 468293 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #433 | 3,400 | 33533984 |
| 468291 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #432 | 3,400 | 33533986 |
| 468290 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #434 | 3,400 | 33533985 |
| 468288 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Foster, Mary #431 | 3,400 | 33533987 |
| 468287 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Watson, W. W. #51 | 3,400 | 33533988 |
| 467098 | Oct 1, 1997 | Oct 1, 1997 | Pioneer Natural Res. USA, Inc. | Brown, Etta #8 | 3,450 | 33533975 |
| 466416 | Oct 1, 1997 | Oct 1, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #1045 | 3,300 | 33533974 |
| 467492 | Sep 12, 1997 | Sep 12, 1997 | Bright & Co. | Ellwood '30' #1 | 7,900 | 33533978 |
| 467100 | Sep 3, 1997 | Sep 3, 1997 | Pioneer Natural Res. USA, Inc. | Brown, Etta Holt #9 | 3,450 | 33533977 |
| 467099 | Sep 3, 1997 | Sep 3, 1997 | Pioneer Natural Res. USA, Inc. | Brown, Etta Holt #10 | 3,450 | 33533976 |
| 465665 | Aug 20, 1997 | Aug 20, 1997 | Chevron U. S. A. Inc. | Morrison, Earl E #28 | 3,290 | 33500389 |
| 465963 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #1723 | 3,300 | 33533973 |
| 465962 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #1049W | 3,300 | 33533972 |
| 465961 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #1048W | 3,300 | 33533971 |
| 465960 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #1047W | 3,300 | 33533970 |
| 465959 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #1046W | 3,300 | 33533969 |
| 465957 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #842W | 3,300 | 33533968 |
| 465956 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #841 | 3,300 | 33533967 |
| 465955 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #840 | 3,300 | 33533966 |
| 465954 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #839W | 3,300 | 33533965 |
| 465953 | Aug 8, 1997 | Aug 8, 1997 | Fina Oil & Chemical Company | Westbrook Southeast Unit #719W | 3,300 | 33533964 |
| 465509 | Jul 28, 1997 | Jul 28, 1997 | Phoenix Oil | Hamilton, W.L. #2 | 1,610 | 33501631 |
| 464533 | Jul 3, 1997 | Jul 3, 1997 | Chevron U. S. A. Inc. | O'Neal, J. H. #1 | 3,112 | 33501776 |
| 463824 | Jun 24, 1997 | Jun 24, 1997 | Parker & Parsley Development L.P | Foster, Mary #428W | 3,400 | 33533960 |
| 463835 | Jun 16, 1997 | Jun 16, 1997 | Parker & Parsley Development L.P | Foster, Mary #423 | 3,400 | 33533958 |
| 463833 | Jun 16, 1997 | Jun 16, 1997 | Parker & Parsley Development L.P | Foster, Mary #424 | 3,400 | 33533957 |
| 463832 | Jun 16, 1997 | Jun 16, 1997 | Parker & Parsley Development L.P | Foster, Mary #425 | 3,400 | 33533963 |
| 463829 | Jun 16, 1997 | Jun 16, 1997 | Parker & Parsley Development L.P | Foster, Mary #426 | 3,400 | 33533962 |
| 463827 | Jun 16, 1997 | Jun 16, 1997 | Parker & Parsley Development L.P | Foster, Mary #427 | 3,400 | 33533961 |
| 463827Amendment | Jun 16, 1997 | Jun 16, 1997 | Parker & Parsley Development L.P | Foster, Mary #427 | 3,400 | 33533961 |
| 463823 | Jun 16, 1997 | Jun 16, 1997 | Parker & Parsley Development L.P | Foster, Mary #429W | 3,400 | 33533959 |
| 463822 | Jun 16, 1997 | Jun 16, 1997 | Parker & Parsley Development L.P | Foster, Mary #430 | 3,400 | 33533956 |
| 463704 | Jun 12, 1997 | Jun 12, 1997 | Parker & Parsley Development L.P | Foster, Mary #422 | 3,400 | 33533955 |
| 463703 | Jun 12, 1997 | Jun 12, 1997 | Parker & Parsley Development L.P | Foster, Mary #421 | 3,400 | 33533954 |
| 463702 | Jun 12, 1997 | Jun 12, 1997 | Parker & Parsley Development L.P | Foster, Mary #420 | 3,400 | 33533953 |
| 463701 | Jun 12, 1997 | Jun 12, 1997 | Parker & Parsley Development L.P | Foster, Mary #419 | 3,400 | 33533952 |
| 463700 | Jun 12, 1997 | Jun 12, 1997 | Parker & Parsley Development L.P | Foster, Mary #418 | 3,400 | 33533951 |