| divested | 327048 | 42-329-31821 | DRILL | BIZZELL "A" | MIDLAND | 1987-02-24 | to: PIONEER NATURAL RES. USA INC. |
| divested | 326310 | 42-329-31815 | DRILL | MCCLURG "A" | MIDLAND | 1987-02-17 | to: PERMIAN DEEP ROCK OIL CO. LLC |
| divested | 326714 | 42-383-33786 | DRILL | RINGO "B" | REAGAN | 1987-02-17 | to: PIONEER NATURAL RES. USA INC. |
| divested | 326571 | 42-329-31820 | DRILL | BIZZELL "B" | MIDLAND | 1987-02-17 | to: PIONEER NATURAL RES. USA INC. |
| divested | 326312 | 42-329-31817 | DRILL | NEILL | MIDLAND | 1987-02-11 | to: PIONEER NATURAL RES. USA INC. |
| divested | 326311 | 42-329-31816 | DRILL | NEILL | MIDLAND | 1987-02-10 | to: PIONEER NATURAL RES. USA INC. |
| acquired | 326251 | 42-413-31617 | DRILL | COX | SCHLEICHER | 1987-02-10 | from: PRO OIL |
| divested | 326171 | 42-329-31813 | DRILL | SYLVIA "A" | MIDLAND | 1987-02-09 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325002 | 42-329-31790 | DRILL | GOLLADAY "M" | MIDLAND | 1987-02-06 | to: PARKER & PARSLEY DEVELOPMENT CO. |
| divested | 325002 | 42-329-31790 | DRILL | GOLLADAY "M" | MIDLAND | 1987-02-06 | to: PARKER & PARSLEY DEVELOPMENT CO. |
| divested | 326170 | 42-329-31812 | DRILL | HUNTER "B" | MIDLAND | 1987-02-06 | to: PIONEER NATURAL RES. USA INC. |
| divested | 326038 | 42-317-33429 | DRILL | BOHANAN | MARTIN | 1987-02-04 | to: CUTBOW OPERATING LLC |
| divested | 326039 | 42-383-33784 | DRILL | WATSON | REAGAN | 1987-02-04 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325747 | 42-329-31808 | DRILL | EDWARDS "A" | MIDLAND | 1987-01-29 | to: PIONEER NATURAL RES. USA INC. |
| divested | 324517 | 42-329-31781 | DRILL | WINDHAM "G" | MIDLAND | 1987-01-29 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325812 | 42-329-31810 | DRILL | FRANKLIN "B" | MIDLAND | 1987-01-29 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325465 | 42-317-33424 | DRILL | LAW | MARTIN | 1987-01-29 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325748 | 42-317-33426 | DRILL | GLASS "M" | MARTIN | 1987-01-26 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325606 | 42-329-31803 | DRILL | TEXAS TEN | MIDLAND | 1987-01-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325663 | 42-329-31805 | DRILL | FRANK | MIDLAND | 1987-01-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325607 | 42-329-31802 | DRILL | SYNATSCHK | MIDLAND | 1987-01-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325666 | 42-329-31806 | DRILL | WARD | MIDLAND | 1987-01-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325664 | 42-329-31804 | DRILL | FRANK | MIDLAND | 1987-01-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325665 | 42-329-31807 | DRILL | WARD | MIDLAND | 1987-01-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325666 | 42-329-31806 | DRILL | WARD | MIDLAND | 1987-01-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325608 | 42-383-33783 | DRILL | STOUT "B" | REAGAN | 1987-01-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325605 | 42-383-33782 | DRILL | STOUT "C" | REAGAN | 1987-01-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 324501 | 42-329-01784 | RECOMP | TEXACO "E" | MIDLAND | 1987-01-20 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325468 | 42-383-33780 | DRILL | NOELKE "A" | REAGAN | 1987-01-16 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325467 | 42-383-33781 | DRILL | NOELKE "C" | REAGAN | 1987-01-16 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325079 | 42-329-31792 | DRILL | ROTAN "A" | MIDLAND | 1987-01-15 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325305 | 42-329-31799 | DRILL | FRANK | MIDLAND | 1987-01-13 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325306 | 42-329-31798 | DRILL | FRANK | MIDLAND | 1987-01-13 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325310 | 42-301-30726 | DRILL | SLASH "C" | LOVING | 1987-01-13 | to: LAST MILE PRODUCTION LLC |
| divested | 325309 | 42-317-33423 | DRILL | CAMPBELL "C" | MARTIN | 1987-01-13 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325308 | 42-301-30729 | DRILL | SLASH "G" | LOVING | 1987-01-13 | to: SHERIDAN PRODUCTION COMPANY LLC |
| divested | 325312 | 42-301-30727 | DRILL | SLASH "D" | LOVING | 1987-01-13 | to: 20TH CENTURY PIPE & EQUIP.CO.INC |
| divested | 325345 | 42-317-33422 | DRILL | KEY "A" | MARTIN | 1987-01-13 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325278 | 42-383-33779 | DRILL | WHEELER | REAGAN | 1987-01-08 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325145 | 42-317-33421 | DRILL | NAIL "Q" | MARTIN | 1987-01-08 | to: PARKER & PARSLEY DEVELOPMENT L.P |
| divested | 325234 | 42-329-31796 | DRILL | FRANK | MIDLAND | 1987-01-08 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325237 | 42-329-31797 | DRILL | FRANK | MIDLAND | 1987-01-08 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325078 | 42-383-33777 | DRILL | HARTGROVE "F" | REAGAN | 1987-01-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325069 | 42-301-30723 | DRILL | SLASH "B" | LOVING | 1987-01-07 | to: LAST MILE PRODUCTION LLC |
| divested | 325003 | 42-317-33419 | DRILL | WILLIAMS "G" | MARTIN | 1987-01-06 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325070 | 42-301-30725 | DRILL | SLASH "F" | LOVING | 1987-01-06 | to: FOREST OIL CORPORATION |
| divested | 325076 | 42-329-31793 | DRILL | LONG "C" | MIDLAND | 1987-01-06 | to: PIONEER NATURAL RES. USA INC. |
| divested | 325077 | 42-383-33778 | DRILL | HARTGROVE "F" | REAGAN | 1987-01-06 | to: PIONEER NATURAL RES. USA INC. |
| divested | 324454 | 42-301-30722 | DRILL | SLASH "B" | LOVING | 1987-01-05 | to: LAST MILE PRODUCTION LLC |
| divested | 325066 | 42-329-31791 | DRILL | CRAWFORD "C" | MIDLAND | 1987-01-05 | to: PIONEER NATURAL RES. USA INC. |