UL YELLOWTAIL K 21-29-17 WB

Oil · District 08 · Lease #58452

Operator: PERCUSSION PETROLEUM OPER II,LLC

Cum Oil

291k BBL

Cum Gas

434k MCF

casinghead

Wells

1

Production

2022-09 — 2026-04

Peak Month

2022-12

Production History

Cum Oil: 290,622 BBL Cum Gas: 433,923 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,510 BBL/mo

Di (annual)

119.7%

b-factor

2.0

EUR

1,152,225 BBL

R-squared

0.714

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11HAPACHE CORPORATION213,5002022-02-16