UL RATTLESNAKE A 18-5-6

Oil · District 08 · Lease #53990

Operator: PERCUSSION PETROLEUM OPER II,LLC

Cum Oil

387k BBL

Cum Gas

425k MCF

casinghead

Wells

1

Production

2019-06 — 2023-10

Peak Month

2019-07

Production History

Cum Oil: 386,822 BBL Cum Gas: 424,999 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,778 BBL/mo

Di (annual)

110.0%

b-factor

0.0

EUR

390,677 BBL

R-squared

0.353

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
2021-03 — 2023-07 PERCUSSION PETROLEUM OPER II,LLC 29 mo
2019-06 — 2021-02 OASIS PETROLEUM PERMIAN LLC 21 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6101HAPACHE CORPORATION412,5002018-09-30