AMPHITHEATER A3

Oil · District 08 · Lease #55571

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

665k BBL

Cum Gas

814k MCF

casinghead

Wells

1

Production

2020-09 — 2026-04

Peak Month

2020-11

Production History

Cum Oil: 665,484 BBL Cum Gas: 814,107 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,141 BBL/mo

Di (annual)

30.7%

b-factor

0.0

EUR

669,777 BBL

R-squared

0.562

type

exponential

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2020-09 — 2024-07 CALLON PETROLEUM OPERATING CO 47 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15UAAPACHE CORPORATION212,0002019-11-22