SEMPLE

Oil · District 08 · Lease #40040

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

107k BBL

Cum Gas

151k MCF

casinghead

Wells

1

Production

2010-02 — 2026-04

Peak Month

2010-05

Production History

Cum Oil: 106,500 BBL Cum Gas: 150,716 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,644 BBL/mo

Di (annual)

27.6%

b-factor

0.4

EUR

111,790 BBL

R-squared

0.781

type

hyperbolic

Operator History (from monthly production reports)

2010-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 198 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA, INC.111,0002009-10-29