UL YELLOWTAIL B 21-29-17

Oil · District 08 · Lease #56749

Operator: PERCUSSION PETROLEUM OPER II,LLC

Cum Oil

7k BBL

Cum Gas

8k MCF

casinghead

Wells

1

Production

2022-02 — 2023-07

Peak Month

2022-05

Production History

Cum Oil: 6,983 BBL Cum Gas: 7,841 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,940 BBL/mo

Di (annual)

756.0%

b-factor

0.2

EUR

3,942 BBL

R-squared

0.976

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
2022-02 — 2023-07 PERCUSSION PETROLEUM OPER II,LLC 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HAPACHE CORPORATION412,5002017-10-30