UL BIGHORN O 21-30-19

Oil · District 08 · Lease #53666

Operator: PERCUSSION PETROLEUM OPER II,LLC

Cum Oil

226k BBL

Cum Gas

276k MCF

casinghead

Wells

1

Production

2019-07 — 2025-12

Peak Month

2020-04

Production History

Cum Oil: 226,184 BBL Cum Gas: 276,265 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,344 BBL/mo

Di (annual)

60.4%

b-factor

0.1

EUR

206,408 BBL

R-squared

0.483

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2023-08 — 2024-07 CALLON PERMIAN II, LLC 12 mo
2021-03 — 2023-07 PERCUSSION PETROLEUM OPER II,LLC 29 mo
2019-07 — 2021-02 OASIS PETROLEUM PERMIAN LLC 20 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5215HAPACHE CORPORATION112,5002019-04-16