UL YELLOWTAIL D 21-29-17 TB

Oil · District 08 · Lease #58183

Operator: PERCUSSION PETROLEUM OPER II,LLC

Cum Oil

148k BBL

Cum Gas

157k MCF

casinghead

Wells

1

Production

2022-09 — 2026-04

Peak Month

2022-10

Production History

Cum Oil: 147,549 BBL Cum Gas: 157,197 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,775 BBL/mo

Di (annual)

40.2%

b-factor

0.0

EUR

172,598 BBL

R-squared

0.512

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
4HAPACHE CORPORATION213,5002022-02-16