WINDHAM "P"

Oil · District 7C · Lease #12576

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

48k BBL

Cum Gas

197k MCF

casinghead

Wells

1

Production

1993-01 — 2016-05

Peak Month

1997-01

Production History

Cum Oil: 47,848 BBL Cum Gas: 196,567 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

362 BBL/mo

Di (annual)

10.3%

b-factor

0.6

EUR

64,084 BBL

R-squared

0.949

type

hyperbolic

Operator History (from monthly production reports)

2016-06 — 2016-10 PARSLEY ENERGY OPERATIONS, LLC 5 mo
1997-09 — 2016-05 PIONEER NATURAL RES. USA, INC. 225 mo
1995-03 — 1997-08 PARKER & PARSLEY DEVELOPMENT L.P 30 mo
1993-01 — 1995-02 PARKER & PARSLEY DEVELOPMENT CO. 26 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARSLEY ENERGY OPERATIONS LLC19,3001988-08-09