WILLIS -D-

Oil · District 08 · Lease #31586

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

51k BBL

Cum Gas

120k MCF

casinghead

Wells

2

Production

1993-01 — 2014-09

Peak Month

2002-03

Production History

Cum Oil: 51,230 BBL Cum Gas: 119,715 MCF

RRC production reported through Apr 2026 · recent months incomplete

Operator History (from monthly production reports)

1997-09 — 2015-05 PIONEER NATURAL RES. USA, INC. 213 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA INC.19,3002006-06-27
1PIONEER NATURAL RES. USA INC.19,1501987-10-05