BROOK A-2

Oil · District 7C · Lease #19935

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

1.5M BBL

Cum Gas

4.1M MCF

casinghead

Wells

4

Production

2017-12 — 2026-04

Peak Month

2018-06

Production History

Cum Oil: 1,469,389 BBL Cum Gas: 4,148,496 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,699 BBL/mo

Di (annual)

35.3%

b-factor

0.0

EUR

1,214,980 BBL

R-squared

0.688

type

exponential

Operator History (from monthly production reports)

2017-12 — 2026-07 PIONEER NATURAL RES. USA, INC. 104 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10HPIONEER NATURAL RES. USA, INC.110,4952025-07-07
7HPIONEER NATURAL RES. USA, INC.210,1002017-09-05
8HPIONEER NATURAL RES. USA, INC.210,1002017-09-05
9HPIONEER NATURAL RES. USA, INC.210,1002017-09-05