UNDERWOOD WEST 33_WA

Oil · District 08 · Lease #57820

Operator: SPIRIT O&G OPERATING, LLC

Cum Oil

82k BBL

Cum Gas

284k MCF

casinghead

Wells

1

Production

2022-09 — 2026-03

Peak Month

2023-03

Production History

Cum Oil: 82,476 BBL Cum Gas: 283,832 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,821 BBL/mo

Di (annual)

356.6%

b-factor

0.9

EUR

128,331 BBL

R-squared

0.938

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-07 SPIRIT O&G OPERATING, LLC 17 mo
2022-11 — 2025-02 HOG OPERATING LLC 28 mo
2022-09 — 2022-10 DE IV OPERATING, LLC 2 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HSPIRIT O&G OPERATING, LLC18,7092022-07-01