UL 21 PAHASKA

Oil · District 08 · Lease #48511

Operator: PERCUSSION PETROLEUM OPER II,LLC

Cum Oil

702k BBL

Cum Gas

789k MCF

casinghead

Wells

2

Production

2016-11 — 2026-04

Peak Month

2016-12

Production History

Cum Oil: 702,434 BBL Cum Gas: 788,690 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,751 BBL/mo

Di (annual)

26.0%

b-factor

0.3

EUR

884,873 BBL

R-squared

0.811

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
2018-02 — 2021-02 OASIS PETROLEUM PERMIAN LLC 37 mo
2016-11 — 2018-01 FORGE ENERGY, LLC 15 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
S002HAPACHE CORPORATION113,5002021-10-14
1HAPACHE CORPORATION112,9002016-08-10