BROOK D-C31C

Oil · District 7C · Lease #21098

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

345k BBL

Cum Gas

442k MCF

casinghead

Wells

1

Production

2020-04 — 2026-04

Peak Month

2021-05

Production History

Cum Oil: 344,836 BBL Cum Gas: 442,395 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,963 BBL/mo

Di (annual)

186.3%

b-factor

0.7

EUR

375,703 BBL

R-squared

0.678

type

hyperbolic

Operator History (from monthly production reports)

2020-04 — 2026-07 PIONEER NATURAL RES. USA, INC. 76 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
203HPIONEER NATURAL RES. USA, INC.110,3002019-12-18