MADISON -D-

Oil · District 08 · Lease #21163

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

19k BBL

Cum Gas

65k MCF

casinghead

Wells

2

Production

1993-01 — 2015-06

Peak Month

1993-05

Production History

Cum Oil: 19,491 BBL Cum Gas: 64,785 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

99 BBL/mo

Di (annual)

4.5%

b-factor

0.0

EUR

23,539 BBL

R-squared

0.320

type

exponential

Operator History (from monthly production reports)

1997-09 — 2016-08 PIONEER NATURAL RES. USA, INC. 228 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.18,4001983-10-11
142-317-30006PIONEER NATURAL RES. USA INC.------