BROOK D-31I

Oil · District 7C · Lease #20282

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

481k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2019-02 — 2026-04

Peak Month

2019-03

Production History

Cum Oil: 480,547 BBL Cum Gas: 1,251,303 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,835 BBL/mo

Di (annual)

82.9%

b-factor

0.6

EUR

539,578 BBL

R-squared

0.725

type

hyperbolic

Operator History (from monthly production reports)

2019-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 90 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.110,1002018-05-07