| 1998-02-20 | 473612 | 42-383-34924 | SPRABERRY DRIVER UNIT #2302A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1998-02-18 | 473514 | 42-383-34923 | SPRABERRY DRIVER UNIT #1281A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,700 | |
| 1998-02-18 | 473507 | 42-383-34922 | SPRABERRY DRIVER UNIT #2301A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1998-01-28 | 472741 | 42-383-34920 | SPRABERRY DRIVER UNIT #2266A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1998-01-28 | 472741 | 42-383-34920 | SPRABERRY DRIVER UNIT #2266A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,550 | |
| 1998-01-26 | 472599 | 42-383-34919 | UNIVERSITY #230 | MARATHON OIL COMPANY | DRILL | 3,750 | |
| 1998-01-26 | 472598 | 42-383-34917 | UNIVERSITY #229 | MARATHON OIL COMPANY | DRILL | 3,750 | |
| 1998-01-26 | 472597 | 42-383-34918 | UNIVERSITY #228 | MARATHON OIL COMPANY | DRILL | 3,750 | |
| 1998-01-26 | 472597 | 42-383-34918 | UNIVERSITY #228 | MARATHON OIL COMPANY | DRILL | 3,750 | |
| 1998-01-22 | 472544 | 42-383-34916 | SPRABERRY DRIVER UNIT #2243A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,700 | |
| 1998-01-22 | 472543 | 42-383-34915 | SPRABERRY DRIVER UNIT #2242A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,700 | |
| 1998-01-20 | 472409 | 42-383-34914 | SPRABERRY DRIVER UNIT #2241A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,700 | |
| 1998-01-14 | 472216 | 42-383-34909 | SPRABERRY DRIVER UNIT #2136A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1998-01-14 | 472215 | 42-383-34910 | SPRABERRY DRIVER UNIT #2126A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1998-01-14 | 472214 | 42-383-34911 | SPRABERRY DRIVER UNIT #2299A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1998-01-14 | 472213 | 42-383-34912 | SPRABERRY DRIVER UNIT #2298A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1998-01-14 | 472212 | 42-383-34913 | SPRABERRY DRIVER UNIT #2297A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1998-01-05 | 471838 | 42-383-33976 | UNIVERSITY #212 | MARATHON OIL COMPANY | RECOMP | 8,900 | Y |
| 1998-01-02 | 471813 | 42-383-34908 | SPRABERRY DRIVER UNIT #1665A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1998-01-02 | 471812 | 42-383-34905 | SPRABERRY DRIVER UNIT #2125A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,700 | |
| 1998-01-02 | 471811 | 42-383-34906 | SPRABERRY DRIVER UNIT #2135A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1998-01-02 | 471810 | 42-383-34907 | SPRABERRY DRIVER UNIT #2205A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1998-01-02 | 471808 | 42-383-34904 | UNIVERSITY 6-7W #2 | ENRON OIL & GAS COMPANY | DRILL | 9,300 | |
| 1998-01-02 | 471680 | 42-383-30793 | GOULD "A" #2 | HALLWOOD PETROLEUM, INC. | RECOMP | 7,625 | |
| 1997-12-30 | 471745 | 42-383-34898 | SPRABERRY DRIVER UNIT #2214A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1997-12-30 | 471744 | 42-383-34902 | SPRABERRY DRIVER UNIT #1415A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,400 | |
| 1997-12-30 | 471743 | 42-383-34897 | SPRABERRY DRIVER UNIT #2223A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1997-12-30 | 471742 | 42-383-34903 | SPRABERRY DRIVER UNIT #1709A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,300 | |
| 1997-12-30 | 471740 | 42-383-34901 | SPRABERRY DRIVER UNIT #2147A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1997-12-30 | 471739 | 42-383-34900 | SPRABERRY DRIVER UNIT #2153A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1997-12-30 | 471738 | 42-383-34899 | SPRABERRY DRIVER UNIT #2213A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1997-12-23 | 471625 | 42-383-34896 | SPRABERRY DRIVER UNIT #1565A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1997-12-23 | 471623 | 42-383-34895 | SPRABERRY DRIVER UNIT #A170A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,800 | |
| 1997-12-23 | 471622 | 42-383-34894 | SPRABERRY DRIVER UNIT #2211A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,800 | |
| 1997-12-23 | 471620 | 42-383-34893 | SPRABERRY DRIVER UNIT #1984A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,800 | |
| 1997-12-23 | 471619 | 42-383-34892 | SPRABERRY DRIVER UNIT #1983A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,800 | |
| 1997-12-17 | 471356 | 42-383-34891 | SPRABERRY DRIVER UNIT #1875A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1997-12-17 | 471355 | 42-383-34890 | SPRABERRY DRIVER UNIT #1085A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1997-12-17 | 471353 | 42-383-34889 | SPRABERRY DRIVER UNIT #1077 A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,600 | |
| 1997-12-16 | 471311 | 42-383-34888 | UNIVERSITY 17 #10 | BROTHERTON PRODUCTION CO. | DRILL | 2,700 | |
| 1997-12-15 | 471159 | 42-383-34887 | SPRABERRY DRIVER UNIT #1675A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,400 | |
| 1997-12-10 | 471047 | 42-383-34886 | SPRABERRY DRIVER UNIT #1673A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,400 | |
| 1997-12-09 | 471022 | 42-383-34885 | UNIVERSITY "36B" #1 | ENERGY PRODUCTION CORPORATION | DRILL | 3,200 | |
| 1997-12-04 | 470531 | 42-383-30556 | GOULD, LOU #1 | HALLWOOD PETROLEUM, INC. | RECOMP | 7,525 | |
| 1997-12-04 | 470530 | 42-383-30555 | GOULD, LOU #2 | HALLWOOD PETROLEUM, INC. | RECOMP | 7,575 | |
| 1997-11-26 | 470601 | 42-383-34884 | SPRABERRY DRIVER UNIT #1674A | PIONEER NATURAL RES. USA, INC. | DRILL | 8,500 | |
| 1997-11-26 | 470404 | 42-383-34883 | ROCKER B "M" #48 | COX, JOHN L. | DRILL | 7,200 | |
| 1997-11-18 | 469981 | 42-383-34882 | ROCKER B "O" #34 | COX, JOHN L. | DRILL | 7,200 | |
| 1997-11-14 | 469886 | 42-383-34877 | UNIVERSITY 13 #3 | MICHAELSON PRODUCING CO. | DRILL | 2,670 | |
| 1997-11-14 | 469885 | 42-383-34878 | UNIVERSITY 14 #7 | MICHAELSON PRODUCING CO. | DRILL | 2,670 | |