BROOK D-15F

Oil · District 7C · Lease #19834

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

864k BBL

Cum Gas

5.5M MCF

casinghead

Wells

2

Production

2017-12 — 2026-04

Peak Month

2019-10

Production History

Cum Oil: 864,051 BBL Cum Gas: 5,507,165 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,964 BBL/mo

Di (annual)

44.6%

b-factor

0.2

EUR

871,954 BBL

R-squared

0.806

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HPIONEER NATURAL RES. USA, INC.110,4502019-01-04
6HPIONEER NATURAL RES. USA, INC.110,9502016-10-14