BROOK A-4B

Oil · District 7C · Lease #21516

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

151k BBL

Cum Gas

732k MCF

casinghead

Wells

1

Production

2021-09 — 2026-04

Peak Month

2023-01

Production History

Cum Oil: 151,000 BBL Cum Gas: 731,771 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,939 BBL/mo

Di (annual)

123.8%

b-factor

0.5

EUR

186,784 BBL

R-squared

0.862

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 59 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.110,2492021-02-22