CASPER A1

Oil · District 08 · Lease #55879

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

238k BBL

Cum Gas

350k MCF

casinghead

Wells

1

Production

2020-12 — 2026-04

Peak Month

2021-01

Production History

Cum Oil: 237,972 BBL Cum Gas: 350,230 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,454 BBL/mo

Di (annual)

79.7%

b-factor

0.0

EUR

217,615 BBL

R-squared

0.773

type

exponential

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2020-12 — 2024-07 CALLON PETROLEUM OPERATING CO 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8LAAPACHE CORPORATION112,0002020-04-28