HALSEY 4

Oil · District 08 · Lease #54401

Operator: LARIO OIL & GAS COMPANY

Cum Oil

702k BBL

Cum Gas

688k MCF

casinghead

Wells

1

Production

2019-07 — 2026-04

Peak Month

2019-08

Production History

Cum Oil: 702,162 BBL Cum Gas: 687,967 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

28,285 BBL/mo

Di (annual)

171.1%

b-factor

0.9

EUR

761,469 BBL

R-squared

0.738

type

hyperbolic

Operator History (from monthly production reports)

2023-03 — 2026-07 DIAMONDBACK E&P LLC 41 mo
2019-07 — 2023-02 LARIO OIL & GAS COMPANY 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
401DIAMONDBACK E&P LLC310,5002018-01-02