HALSEY 9

Oil · District 08 · Lease #54170

Operator: LARIO OIL & GAS COMPANY

Cum Oil

573k BBL

Cum Gas

603k MCF

casinghead

Wells

1

Production

2020-03 — 2026-04

Peak Month

2020-12

Production History

Cum Oil: 573,270 BBL Cum Gas: 602,952 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,451 BBL/mo

Di (annual)

55.3%

b-factor

0.3

EUR

568,606 BBL

R-squared

0.867

type

hyperbolic

Operator History (from monthly production reports)

2023-03 — 2026-07 DIAMONDBACK E&P LLC 41 mo
2020-03 — 2023-02 LARIO OIL & GAS COMPANY 36 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
201DIAMONDBACK E&P LLC110,6052019-11-21