UL BIGHORN N 21-30-19

Oil · District 08 · Lease #53691

Operator: PERCUSSION PETROLEUM OPER II,LLC

Cum Oil

226k BBL

Cum Gas

250k MCF

casinghead

Wells

1

Production

2019-08 — 2026-02

Peak Month

2020-04

Production History

Cum Oil: 225,758 BBL Cum Gas: 249,825 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,875 BBL/mo

Di (annual)

25.1%

b-factor

0.0

EUR

281,332 BBL

R-squared

0.452

type

exponential

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
2019-08 — 2021-02 OASIS PETROLEUM PERMIAN LLC 19 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4214HAPACHE CORPORATION112,5002019-04-04