| acquired | 377852 | 42-237-32935 | RENTR | GIFFORD | JACK | 1990-09-28 | from: HESS, JERRY OPERATING CO. |
| acquired | 377852 | 42-237-32935 | RENTR | GIFFORD | JACK | 1990-09-28 | from: HESS, JERRY OPERATING CO. |
| divested | 297825 | 42-329-31519 | RECOMP | JOHNNIE | MIDLAND | 1986-02-13 | to: CARLOW CORP. |
| divested | 293292 | 42-329-31606 | RECOMP | BAYLISS | MIDLAND | 1985-12-19 | to: DIAMONDBACK E&P LLC |
| divested | 290679 | 42-329-31494 | RECOMP | EDDY | MIDLAND | 1985-11-18 | to: DIAMONDBACK E&P LLC |
| divested | 286206 | 42-329-31605 | DRILL | KEEGAN | MIDLAND | 1985-10-01 | to: DIAMONDBACK E&P LLC |
| divested | 286208 | 42-329-31606 | DRILL | BAYLISS | MIDLAND | 1985-10-01 | to: DIAMONDBACK E&P LLC |
| divested | 285024 | 42-255-31131 | DRILL | SHERI | KARNES | 1985-09-17 | to: TRANS TEXAS MINERALS COMPANY |
| divested | 283679 | 42-329-31584 | DRILL | KEN | MIDLAND | 1985-08-30 | to: LEGACY RESERVES OPERATING LP |
| divested | 283767 | 42-329-31585 | DRILL | TAYLOR | MIDLAND | 1985-08-30 | to: LEGACY RESERVES OPERATING LP |
| divested | 283364 | 42-317-33229 | DRILL | MCMORRIES, DON | MARTIN | 1985-08-26 | to: LEGACY RESERVES OPERATING LP |
| divested | 283368 | 42-329-31583 | DRILL | LEE | MIDLAND | 1985-08-26 | to: SMITH BROS. CASING PULLERS INC. |
| divested | 274365 | 42-329-31519 | DRILL | JOHNNIE | MIDLAND | 1985-05-07 | to: CARLOW CORP. |
| divested | 268505 | 42-329-31494 | DRILL | EDDY | MIDLAND | 1985-03-05 | to: DIAMONDBACK E&P LLC |
| divested | 268502 | 42-329-31493 | DRILL | FRED | MIDLAND | 1985-03-05 | to: DIAMONDBACK E&P LLC |
| divested | 266145 | 42-329-31489 | DRILL | TEDDY | MIDLAND | 1985-02-06 | to: PIONEER NATURAL RES. USA INC. |
| divested | 265924 | 42-317-33129 | DRILL | KIMSEY | MARTIN | 1985-02-04 | to: PIONEER NATURAL RES. USA INC. |
| divested | 261983 | 42-461-32329 | DRILL | ROSENBAUM | UPTON | 1984-12-20 | to: PIONEER NATURAL RES. USA INC. |
| divested | 259335 | 42-317-33078 | DRILL | WELCH | MARTIN | 1984-11-28 | to: PARKER & PARSLEY DEVELOPMENT L.P |
| divested | 258212 | 42-329-31437 | DRILL | BIRDWELL | MIDLAND | 1984-11-19 | to: DIAMONDBACK E&P LLC |
| divested | 258208 | 42-317-33066 | DRILL | RUFUS | MARTIN | 1984-11-19 | to: PARKER & PARSLEY DEVELOPMENT L.P |
| divested | 257001 | 42-329-31428 | DRILL | STUARD | MIDLAND | 1984-11-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 256175 | 42-329-31423 | DRILL | SCHARBAUER | MIDLAND | 1984-10-30 | to: DIAMONDBACK E&P LLC |
| divested | 255369 | 42-329-31414 | DRILL | ALAN | MIDLAND | 1984-10-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 254541 | 42-317-33029 | DRILL | GALLOWAY | MARTIN | 1984-10-15 | to: HCW EXPLORATION INC. |
| divested | 252506 | 42-317-33017 | DRILL | GILBERT | MARTIN | 1984-09-25 | to: DIAMONDBACK E&P LLC |
| divested | 252121 | 42-149-31900 | DRILL | APPELT UNIT | FAYETTE | 1984-09-20 | to: TORCH OPERATING COMPANY |
| filed | 251449 | 42-237-32935 | RECOMP | GIFFORD, C. | JACK | 1984-09-13 | — |
| divested | 249671 | 42-317-33000 | DRILL | GUY | MARTIN | 1984-08-24 | to: PIONEER NATURAL RES. USA INC. |
| divested | 249670 | 42-317-32999 | DRILL | FAY | MARTIN | 1984-08-24 | to: PIONEER NATURAL RES. USA INC. |
| divested | 247274 | 42-317-32989 | DRILL | HOLT | MARTIN | 1984-08-02 | to: PARKER & PARSLEY DEVELOPMENT CO. |
| divested | 245562 | 42-317-32979 | DRILL | HCW MABEE | MARTIN | 1984-07-18 | to: DE IV OPERATING LLC |
| divested | 245270 | 42-317-32701 | OTHER | MCKASKLE | MARTIN | 1984-07-16 | to: DEEP BLUE OPERATING I LLC |
| divested | 241461 | 42-329-31338 | DRILL | ANDREW | MIDLAND | 1984-06-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 239844 | 42-237-33657 | RECOMP | CRANFORD, D. C. "A" | JACK | 1984-05-22 | to: STEPHENS & JOHNSON OPERATING CO. |
| divested | 243558 | 42-237-34973 | RECOMP | ELLIS | JACK | 1984-05-11 | to: STEPHENS & JOHNSON OPERATING CO. |
| divested | 237151 | 42-329-31328 | DRILL | MARCO | MIDLAND | 1984-04-30 | to: PIONEER NATURAL RES. USA INC. |
| divested | 226699 | 42-317-32890 | DRILL | GLAZE, J. L. | MARTIN | 1984-01-17 | to: PIONEER NATURAL RES. USA INC. |
| divested | 224842 | 42-317-32877 | DRILL | MCBRENDA | MARTIN | 1983-12-27 | to: PIONEER NATURAL RES. USA INC. |
| divested | 224835 | 42-317-32876 | DRILL | CLONA | MARTIN | 1983-12-27 | to: PIONEER NATURAL RES. USA INC. |
| divested | 223563 | 42-317-32865 | DRILL | PEURIFOY | MARTIN | 1983-12-13 | to: PARKER & PARSLEY DEVELOPMENT CO. |
| divested | 223240 | 42-317-32841 | DRILL | GREATHOUSE | MARTIN | 1983-11-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 221380 | 42-317-32840 | DRILL | COFFIELD | MARTIN | 1983-11-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 220880 | 42-317-32837 | DRILL | FULLER | MARTIN | 1983-11-17 | to: PIONEER NATURAL RES. USA INC. |
| divested | 220878 | 42-317-32836 | DRILL | FULLER | MARTIN | 1983-11-17 | to: DIAMONDBACK E&P LLC |
| divested | 220714 | 42-317-32834 | DRILL | JIM TOM | MARTIN | 1983-11-14 | to: PIONEER NATURAL RES. USA INC. |
| divested | 220630 | 42-317-32832 | DRILL | MO-MC | MARTIN | 1983-11-14 | to: PIONEER NATURAL RES. USA INC. |
| divested | 219414 | 42-317-32823 | DRILL | KEY | MARTIN | 1983-11-01 | to: PIONEER NATURAL RES. USA INC. |
| divested | 205797 | 42-329-31198 | DRILL | FASKEN "H" | MIDLAND | 1983-08-16 | to: PIONEER NATURAL RES. USA INC. |
| divested | 205526 | 42-179-31469 | DRILL | TIGRETT | GRAY | 1983-08-12 | to: PARKER & PARSLEY DEVELOPMENT CO. |