OPEN UNIT A5

Oil · District 08 · Lease #55531

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

370k BBL

Cum Gas

1.2M MCF

casinghead

Wells

2

Production

2020-10 — 2026-04

Peak Month

2021-01

Production History

Cum Oil: 369,887 BBL Cum Gas: 1,152,921 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

37,209 BBL/mo

Di (annual)

333.2%

b-factor

0.8

EUR

474,061 BBL

R-squared

0.969

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 APACHE CORPORATION 24 mo
2020-10 — 2024-07 CALLON PETROLEUM OPERATING CO 46 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5AHAPACHE CORPORATION18,0002020-02-03
7SHAPACHE CORPORATION18,0002020-02-03