| divested | 303361 | 42-329-31721 | DRILL | ARICK "A" | MIDLAND | 1986-06-19 | to: PIONEER NATURAL RES. USA INC. |
| divested | 303338 | 42-329-31720 | DRILL | ROBERTSON "A" | MIDLAND | 1986-06-19 | to: PIONEER NATURAL RES. USA INC. |
| divested | 303324 | 42-329-31716 | DRILL | LONG "B" | MIDLAND | 1986-06-18 | to: PIONEER NATURAL RES. USA INC. |
| divested | 303325 | 42-329-31717 | DRILL | TATOM "D" | MIDLAND | 1986-06-18 | to: PIONEER NATURAL RES. USA INC. |
| divested | 303276 | 42-329-31713 | DRILL | KLAPPROTH "A" | MIDLAND | 1986-06-17 | to: CUTBOW OPERATING LLC |
| divested | 302967 | 42-329-31711 | DRILL | COLLINS "A" | MIDLAND | 1986-06-09 | to: PIONEER NATURAL RES. USA INC. |
| divested | 300081 | 42-329-31704 | DRILL | NELSON "A" | MIDLAND | 1986-03-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 299783 | 42-329-31703 | DRILL | DORIS | MIDLAND | 1986-03-18 | to: PIONEER NATURAL RES. USA INC. |
| divested | 299197 | 42-383-33744 | DRILL | HARTGROVE | REAGAN | 1986-03-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 298357 | 42-329-31698 | DRILL | MCCLURG | MIDLAND | 1986-02-24 | to: PERMIAN DEEP ROCK OIL CO. LLC |
| divested | 297459 | 42-301-30701 | DRILL | SLASH | LOVING | 1986-02-11 | to: MCCLURE OIL COMPANY INC. |
| divested | 297154 | 42-317-33348 | DRILL | SCHENECKER | MARTIN | 1986-02-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 296920 | 42-317-33346 | DRILL | DICKENSON "B" | MARTIN | 1986-02-04 | to: PIONEER NATURAL RES. USA INC. |
| divested | 297090 | 42-317-33347 | DRILL | SCHENECKER "A" | MARTIN | 1986-01-31 | to: PIONEER NATURAL RES. USA INC. |
| divested | 296607 | 42-461-32569 | DRILL | ULMER | UPTON | 1986-01-29 | to: PIONEER NATURAL RES. USA INC. |
| divested | 296606 | 42-329-31682 | DRILL | NELSON "A" | MIDLAND | 1986-01-29 | to: PIONEER NATURAL RES. USA INC. |
| divested | 295752 | 42-383-33721 | DRILL | ALEXANDER | REAGAN | 1986-01-20 | to: PIONEER NATURAL RES. USA INC. |
| filed | 295339 | 42-317-33340 | DRILL | HYATT "G" | MARTIN | 1986-01-15 | — |
| divested | 295272 | 42-003-35384 | DRILL | STATE "G" | ANDREWS | 1986-01-13 | to: CRESCENT ENERGY OPERATING LLC |
| divested | 295287 | 42-317-33339 | DRILL | ANCHOR | MARTIN | 1986-01-13 | to: PIONEER NATURAL RES. USA INC. |
| divested | 295271 | 42-329-31678 | DRILL | DORIS | MIDLAND | 1986-01-13 | to: PIONEER NATURAL RES. USA INC. |
| divested | 295180 | 42-329-31675 | DRILL | NELSON "B" | MIDLAND | 1986-01-09 | to: PIONEER NATURAL RES. USA INC. |
| divested | 299432 | 42-329-31702 | DRILL | MCCLINTIC "C" | MIDLAND | 1986-01-06 | to: PIONEER NATURAL RES. USA INC. |
| divested | 293725 | 42-461-32546 | DRILL | WINDHAM "E" | UPTON | 1985-12-31 | to: PIONEER NATURAL RES. USA INC. |
| divested | 294549 | 42-317-33329 | DRILL | HYATT "F" | MARTIN | 1985-12-31 | to: OVINTIV USA INC. |
| divested | 293705 | 42-461-32543 | DRILL | WINDHAM "E" | UPTON | 1985-12-27 | to: PIONEER NATURAL RES. USA INC. |
| acquired | 293515 | 42-235-32721 | DRILL | NUTT -6- | IRION | 1985-12-23 | from: INDIAN WELLS OIL COMPANY |
| divested | 293467 | 42-329-31661 | DRILL | STIMSON-BURLEY "K" | MIDLAND | 1985-12-23 | to: PIONEER NATURAL RES. USA INC. |
| divested | 293468 | 42-317-33319 | DRILL | STIMSON-BURLEY "L" | MARTIN | 1985-12-23 | to: PIONEER NATURAL RES. USA INC. |
| divested | 293416 | 42-317-33318 | DRILL | BURLEY, STIMSON "D" | MARTIN | 1985-12-20 | to: PIONEER NATURAL RES. USA INC. |
| divested | 293998 | 42-329-31670 | DRILL | STIMSON-BURLEY "J" | MIDLAND | 1985-12-20 | to: PIONEER NATURAL RES. USA INC. |
| divested | 293304 | 42-317-33317 | DRILL | STIMSON-BURLEY "C" | MARTIN | 1985-12-19 | to: PIONEER NATURAL RES. USA INC. |
| divested | 293466 | 42-383-33680 | DRILL | CHICO | REAGAN | 1985-12-18 | to: REVERENCE OPERATING LLC |
| divested | 293211 | 42-329-31659 | DRILL | BIZZELL | MIDLAND | 1985-12-16 | to: PIONEER NATURAL RES. USA INC. |
| divested | 293210 | 42-329-31658 | DRILL | BAUMANN | MIDLAND | 1985-12-16 | to: PIONEER NATURAL RES. USA INC. |
| divested | 292937 | 42-461-32537 | DRILL | WOODFIN | UPTON | 1985-12-13 | to: PARKER & PARSLEY DEVELOPMENT CO. |
| divested | 292725 | 42-329-31654 | DRILL | ROBERTS | MIDLAND | 1985-12-11 | to: PIONEER NATURAL RES. USA INC. |
| divested | 292206 | 42-383-33661 | DRILL | STATE "F" | REAGAN | 1985-12-09 | to: PIONEER NATURAL RES. USA INC. |
| divested | 291966 | 42-317-33303 | DRILL | GLASSCOCK "A" | MARTIN | 1985-12-06 | to: PIONEER NATURAL RES. USA INC. |
| divested | 291962 | 42-317-33302 | DRILL | GLASSCOCK "A" | MARTIN | 1985-12-06 | to: PIONEER NATURAL RES. USA INC. |
| divested | 292222 | 42-301-30686 | DRILL | SLASH "A" | LOVING | 1985-12-05 | to: ARMOR PETROLEUM INC. |
| divested | 293077 | 42-329-31657 | DRILL | ROBERTS | MIDLAND | 1985-12-03 | to: PIONEER NATURAL RES. USA INC. |
| divested | 291533 | 42-461-32524 | DRILL | WILDE "A" | UPTON | 1985-12-02 | to: PIONEER NATURAL RES. USA INC. |
| divested | 291534 | 42-461-32525 | DRILL | WILDE | UPTON | 1985-12-02 | to: PIONEER NATURAL RES. USA INC. |
| divested | 292183 | 42-383-33660 | DRILL | ALEXANDER | REAGAN | 1985-11-27 | to: PARKER & PARSLEY DEVELOPMENT L.P |
| divested | 291376 | 42-329-31648 | DRILL | BAKER "B" | MIDLAND | 1985-11-27 | to: PIONEER NATURAL RES. USA INC. |
| divested | 291516 | 42-329-31649 | DRILL | CRAWFORD "B" | MIDLAND | 1985-11-27 | to: PIONEER NATURAL RES. USA INC. |
| divested | 291844 | 42-317-33299 | DRILL | ADOBE-HYATT | MARTIN | 1985-11-26 | to: BLACK SWAN OPERATING LLC |
| divested | 291838 | 42-317-33298 | DRILL | ADOBE-HYATT | MARTIN | 1985-11-26 | to: BLACK SWAN OPERATING LLC |
| divested | 291792 | 42-317-33297 | DRILL | CAMPBELL "A" | MARTIN | 1985-11-26 | to: PARKER & PARSLEY DEVELOPMENT L.P |