MADISON -E-

Oil · District 08 · Lease #26500

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

69k BBL

Cum Gas

148k MCF

casinghead

Wells

2

Production

1993-01 — 2026-02

Peak Month

2008-07

Production History

Cum Oil: 68,569 BBL Cum Gas: 148,182 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

576 BBL/mo

Di (annual)

15.6%

b-factor

0.1

EUR

48,924 BBL

R-squared

0.702

type

hyperbolic

Operator History (from monthly production reports)

1997-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 347 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.110,0002007-08-13
1PIONEER NATURAL RES. USA, INC.19,2001980-09-12