BROOK Y-1B

Oil · District 7C · Lease #19132

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

452k BBL

Cum Gas

1.4M MCF

casinghead

Wells

1

Production

2015-08 — 2026-04

Peak Month

2015-09

Production History

Cum Oil: 451,623 BBL Cum Gas: 1,393,399 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19,740 BBL/mo

Di (annual)

139.4%

b-factor

0.8

EUR

540,125 BBL

R-squared

0.851

type

hyperbolic

Operator History (from monthly production reports)

2015-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 132 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.210,6202015-03-03