HIRSCH "E"

Oil · District 7C · Lease #4223

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

28k BBL

Cum Gas

240k MCF

casinghead

Wells

4

Production

1993-01 — 2014-01

Peak Month

1993-07

Production History

Cum Oil: 27,883 BBL Cum Gas: 239,657 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

1997-09 — 2015-06 PIONEER NATURAL RES. USA, INC. 214 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-12 — 1995-02 MIDPAR L.P. 15 mo
1993-01 — 1993-11 GRAHAM ROYALTY, LTD. 11 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4PIONEER NATURAL RES. USA INC.18,5001984-10-16
142-461-10025PIONEER NATURAL RES. USA INC.------
1A42-461-10025PIONEER NATURAL RES. USA INC.------
2A42-461-10024PIONEER NATURAL RES. USA INC.------