OPEN UNIT A4

Oil · District 08 · Lease #55530

Operator: CALLON PETROLEUM OPERATING CO

Cum Oil

176k BBL

Cum Gas

702k MCF

casinghead

Wells

1

Production

2020-10 — 2026-04

Peak Month

2020-12

Production History

Cum Oil: 176,170 BBL Cum Gas: 701,582 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,610 BBL/mo

Di (annual)

45.8%

b-factor

0.0

EUR

146,885 BBL

R-squared

0.493

type

exponential

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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4AHAPACHE CORPORATION18,0002020-02-04