| divested | 378444 | 42-329-32280 | DRILL | SYNATSCHK "D" | MIDLAND | 1990-10-05 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378875 | 42-317-33755 | DRILL | CURTIS "A" | MARTIN | 1990-10-04 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378517 | 42-383-34049 | DRILL | STATE "V" | REAGAN | 1990-09-27 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378443 | 42-461-33053 | DRILL | POWELL "L" | UPTON | 1990-09-27 | to: PARKER & PARSLEY DEVELOPMENT |
| divested | 378518 | 42-383-34050 | DRILL | STATE "V" | REAGAN | 1990-09-27 | to: REVERENCE OPERATING LLC |
| divested | 378146 | 42-329-32278 | DRILL | ELKIN "N" | MIDLAND | 1990-09-26 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378331 | 42-413-31740 | DRILL | JEFFERS "28A" | SCHLEICHER | 1990-09-26 | to: UPP OPERATING LLC |
| divested | 378447 | 42-461-33055 | DRILL | DOLLIE "F" | UPTON | 1990-09-26 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377800 | 42-317-33738 | DRILL | GUY "I" | MARTIN | 1990-09-26 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378450 | 42-317-33749 | DRILL | DOVE "V" | MARTIN | 1990-09-25 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378452 | 42-317-33753 | DRILL | GUY "P" | MARTIN | 1990-09-25 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378441 | 42-329-32282 | DRILL | CUNNINGHAM "16" | MIDLAND | 1990-09-25 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378292 | 42-317-33751 | DRILL | GUY "M" | MARTIN | 1990-09-25 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378454 | 42-317-33750 | DRILL | DOVE "Y" | MARTIN | 1990-09-25 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378293 | 42-317-33747 | DRILL | GUY "L" | MARTIN | 1990-09-25 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378440 | 42-329-32279 | DRILL | BRUNSON "G" | MIDLAND | 1990-09-25 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378149 | 42-317-33742 | DRILL | DOVE "Z" | MARTIN | 1990-09-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378147 | 42-317-33759 | DRILL | DOVE "Z" | MIDLAND | 1990-09-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378145 | 42-329-32276 | DRILL | TIENERT "E" | MIDLAND | 1990-09-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378326 | 42-317-33745 | DRILL | GUY "Q" | MARTIN | 1990-09-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378325 | 42-317-33746 | DRILL | GUY "K" | MARTIN | 1990-09-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 378148 | 42-317-33743 | DRILL | CURTIS | MARTIN | 1990-09-20 | to: CUTBOW OPERATING LLC |
| divested | 378105 | 42-329-32275 | DRILL | MILLIKEN "D" | MIDLAND | 1990-09-19 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377798 | 42-317-33739 | DRILL | GUY "J" | MARTIN | 1990-09-19 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377799 | 42-383-34040 | DRILL | NUNN "A" | REAGAN | 1990-09-14 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377803 | 42-383-34036 | DRILL | NUNN "A" | REAGAN | 1990-09-12 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377558 | 42-329-32270 | DRILL | MILLIKEN "C" | MIDLAND | 1990-09-11 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377556 | 42-329-32269 | DRILL | BOONE "D" | MIDLAND | 1990-09-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377555 | 42-329-32268 | DRILL | BRUNSON "F" | MIDLAND | 1990-09-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377553 | 42-317-33735 | DRILL | DOVE "U" | MARTIN | 1990-09-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377554 | 42-317-33736 | DRILL | DOVE "U" | MARTIN | 1990-09-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377557 | 42-317-33737 | DRILL | GUY "H" | MARTIN | 1990-09-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377552 | 42-317-33734 | DRILL | DOVE "W" | MARTIN | 1990-09-07 | to: PIONEER NATURAL RES. USA INC. |
| divested | 377246 | 42-329-32265 | DRILL | MCALISTER "R" | MIDLAND | 1990-08-31 | to: PIONEER NATURAL RES. USA INC. |
| divested | 376967 | 42-115-32618 | DRILL | HUDDLESTON | DAWSON | 1990-08-24 | to: ESTANCIA OIL & GAS LLC |
| divested | 376340 | 42-329-32263 | DRILL | LAY "B" | MIDLAND | 1990-08-10 | to: PIONEER NATURAL RES. USA INC. |
| divested | 376339 | 42-461-33046 | DRILL | RUTH, DOLLIE "B" | UPTON | 1990-08-09 | to: PIONEER NATURAL RES. USA INC. |
| divested | 375343 | 42-413-31734 | DRILL | POWELL "23" | SCHLEICHER | 1990-07-09 | to: CONCHO RESOURCES INC. |
| divested | 373704 | 42-317-33715 | DRILL | QUAIL "B" | MARTIN | 1990-06-21 | to: PIONEER NATURAL RES. USA INC. |
| divested | 374641 | 42-329-32254 | DRILL | MIDKIFF UNIT | MIDLAND | 1990-06-20 | to: PIONEER NATURAL RES. USA INC. |
| divested | 374640 | 42-329-32255 | DRILL | MIDKIFF UNIT | MIDLAND | 1990-06-20 | to: PIONEER NATURAL RES. USA INC. |
| divested | 373803 | 42-105-35837 | DRILL | HENDERSON "7A" | CROCKETT | 1990-06-04 | to: EXTEX OPERATING COMPANY |
| divested | 373675 | 42-461-33033 | DRILL | MIDKIFF UNIT | UPTON | 1990-05-24 | to: PIONEER NATURAL RES. USA INC. |
| divested | 373673 | 42-461-33030 | DRILL | MIDKIFF UNIT | UPTON | 1990-05-24 | to: PIONEER NATURAL RES. USA INC. |
| divested | 373674 | 42-461-33031 | DRILL | MIDKIFF UNIT | UPTON | 1990-05-24 | to: PIONEER NATURAL RES. USA INC. |
| divested | 373677 | 42-461-33032 | DRILL | MIDKIFF UNIT | UPTON | 1990-05-24 | to: PIONEER NATURAL RES. USA INC. |
| divested | 373703 | 42-461-33035 | DRILL | MIDKIFF UNIT | UPTON | 1990-05-24 | to: PIONEER NATURAL RES. USA INC. |
| divested | 373678 | 42-461-33034 | DRILL | MIDKIFF UNIT | UPTON | 1990-05-24 | to: PIONEER NATURAL RES. USA INC. |
| divested | 373526 | 42-461-33029 | DRILL | MIDKIFF UNIT | UPTON | 1990-05-22 | to: PIONEER NATURAL RES. USA INC. |
| divested | 373676 | 42-461-33036 | DRILL | MIDKIFF UNIT | UPTON | 1990-05-22 | to: PIONEER NATURAL RES. USA INC. |