UL YELLOWTAIL L 21-19-17 TB

Oil · District 08 · Lease #58453

Operator: PERCUSSION PETROLEUM OPER II,LLC

Cum Oil

201k BBL

Cum Gas

274k MCF

casinghead

Wells

1

Production

2022-09 — 2026-04

Peak Month

2023-01

Production History

Cum Oil: 200,808 BBL Cum Gas: 273,530 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,840 BBL/mo

Di (annual)

34.0%

b-factor

0.0

EUR

241,695 BBL

R-squared

0.604

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
2022-09 — 2023-07 PERCUSSION PETROLEUM OPER II,LLC 11 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HAPACHE CORPORATION213,5002022-02-16